SYMBOLCOMMON_NAMEaka. SYNONYMS
win.friedex (Back to overview)

FriedEx

aka: BitPaymer, DoppelPaymer, IEncrypt

Actor(s): INDRIK SPIDER


There is no description at this point.

References
2021-08-05KrebsOnSecurityBrian Krebs
@online{krebs:20210805:ransomware:0962b82, author = {Brian Krebs}, title = {{Ransomware Gangs and the Name Game Distraction}}, date = {2021-08-05}, organization = {KrebsOnSecurity}, url = {https://krebsonsecurity.com/2021/08/ransomware-gangs-and-the-name-game-distraction/}, language = {English}, urldate = {2021-08-06} } Ransomware Gangs and the Name Game Distraction
DarkSide RansomEXX Babuk Cerber Conti DarkSide DoppelPaymer Egregor FriedEx Gandcrab Hermes Ransomware Maze RansomEXX REvil Ryuk Sekhmet
2021-06-06Bleeping ComputerLawrence Abrams
@online{abrams:20210606:new:8c47cad, author = {Lawrence Abrams}, title = {{New Evil Corp ransomware mimics PayloadBin gang to evade US sanctions}}, date = {2021-06-06}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/new-evil-corp-ransomware-mimics-payloadbin-gang-to-evade-us-sanctions/}, language = {English}, urldate = {2021-06-16} } New Evil Corp ransomware mimics PayloadBin gang to evade US sanctions
Babuk FriedEx WastedLocker
2021-03-17CrowdStrikeAdam Podlosky, Brendon Feeley
@online{podlosky:20210317:indrik:65d1f3f, author = {Adam Podlosky and Brendon Feeley}, title = {{INDRIK SPIDER Supersedes WastedLocker with Hades Ransomware to Circumvent OFAC Sanctions}}, date = {2021-03-17}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/hades-ransomware-successor-to-indrik-spiders-wastedlocker/}, language = {English}, urldate = {2021-03-19} } INDRIK SPIDER Supersedes WastedLocker with Hades Ransomware to Circumvent OFAC Sanctions
FriedEx WastedLocker
2021-02-28PWC UKPWC UK
@techreport{uk:20210228:cyber:bd780cd, author = {PWC UK}, title = {{Cyber Threats 2020: A Year in Retrospect}}, date = {2021-02-28}, institution = {PWC UK}, url = {https://www.pwc.co.uk/cyber-security/pdf/pwc-cyber-threats-2020-a-year-in-retrospect.pdf}, language = {English}, urldate = {2021-03-04} } Cyber Threats 2020: A Year in Retrospect
elf.wellmess FlowerPower PowGoop 8.t Dropper Agent.BTZ Agent Tesla Appleseed Ave Maria Bankshot BazarBackdoor BLINDINGCAN Chinoxy Conti Cotx RAT Crimson RAT DUSTMAN Emotet FriedEx FunnyDream Hakbit Mailto Maze METALJACK Nefilim Oblique RAT Pay2Key PlugX QakBot REvil Ryuk StoneDrill StrongPity SUNBURST SUPERNOVA TrickBot TurlaRPC Turla SilentMoon WastedLocker WellMess Winnti ZeroCleare
2021-02-02CRONUPGermán Fernández
@online{fernndez:20210202:de:6ff4f3a, author = {Germán Fernández}, title = {{De ataque con Malware a incidente de Ransomware}}, date = {2021-02-02}, organization = {CRONUP}, url = {https://www.cronup.com/post/de-ataque-con-malware-a-incidente-de-ransomware}, language = {Spanish}, urldate = {2021-03-02} } De ataque con Malware a incidente de Ransomware
Avaddon BazarBackdoor Buer Clop Cobalt Strike Conti DanaBot Dharma Dridex Egregor Emotet Empire Downloader FriedEx GootKit IcedID MegaCortex Nemty Phorpiex PwndLocker PyXie QakBot RansomEXX REvil Ryuk SDBbot SmokeLoader TrickBot Zloader
2021SecureWorks
@online{secureworks:2021:threat:dbd7ed7, author = {SecureWorks}, title = {{Threat Profile: GOLD DRAKE}}, date = {2021}, url = {http://www.secureworks.com/research/threat-profiles/gold-drake}, language = {English}, urldate = {2021-05-28} } Threat Profile: GOLD DRAKE
Cobalt Strike Dridex FriedEx Koadic MimiKatz WastedLocker Evil Corp
2020-11-20ZDNetCatalin Cimpanu
@online{cimpanu:20201120:malware:0b8ff59, author = {Catalin Cimpanu}, title = {{The malware that usually installs ransomware and you need to remove right away}}, date = {2020-11-20}, organization = {ZDNet}, url = {https://www.zdnet.com/article/the-malware-that-usually-installs-ransomware-and-you-need-to-remove-right-away/}, language = {English}, urldate = {2020-11-23} } The malware that usually installs ransomware and you need to remove right away
Avaddon BazarBackdoor Buer Clop Cobalt Strike Conti DoppelPaymer Dridex Egregor Emotet FriedEx MegaCortex Phorpiex PwndLocker QakBot Ryuk SDBbot TrickBot Zloader
2020-09-29PWC UKAndy Auld
@online{auld:20200929:whats:2782a62, author = {Andy Auld}, title = {{What's behind the increase in ransomware attacks this year?}}, date = {2020-09-29}, organization = {PWC UK}, url = {https://www.pwc.co.uk/issues/cyber-security-services/insights/what-is-behind-ransomware-attacks-increase.html}, language = {English}, urldate = {2021-05-25} } What's behind the increase in ransomware attacks this year?
DarkSide Avaddon Clop Conti DoppelPaymer Dridex Emotet FriedEx Mailto PwndLocker QakBot REvil Ryuk SMAUG SunCrypt TrickBot WastedLocker
2020-09-25CrowdStrikeThe Crowdstrike Intel Team
@online{team:20200925:double:fe3b093, author = {The Crowdstrike Intel Team}, title = {{Double Trouble: Ransomware with Data Leak Extortion, Part 1}}, date = {2020-09-25}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/double-trouble-ransomware-data-leak-extortion-part-1/}, language = {English}, urldate = {2020-10-02} } Double Trouble: Ransomware with Data Leak Extortion, Part 1
DoppelPaymer FriedEx LockBit Maze MedusaLocker RagnarLocker REvil RobinHood SamSam WastedLocker MIMIC SPIDER PIZZO SPIDER TA2101 VIKING SPIDER
2020-08Temple UniversityCARE
@online{care:202008:critical:415c34d, author = {CARE}, title = {{Critical Infrastructure Ransomware Attacks}}, date = {2020-08}, organization = {Temple University}, url = {https://sites.temple.edu/care/ci-rw-attacks/}, language = {English}, urldate = {2020-09-15} } Critical Infrastructure Ransomware Attacks
CryptoLocker Cryptowall DoppelPaymer FriedEx Mailto Maze REvil Ryuk SamSam WannaCryptor
2020-07-17CERT-FRCERT-FR
@techreport{certfr:20200717:malware:5c58cdf, author = {CERT-FR}, title = {{The Malware Dridex: Origins and Uses}}, date = {2020-07-17}, institution = {CERT-FR}, url = {https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-008.pdf}, language = {English}, urldate = {2020-07-20} } The Malware Dridex: Origins and Uses
Andromeda CryptoLocker Cutwail DoppelPaymer Dridex Emotet FriedEx Gameover P2P Gandcrab ISFB Murofet Necurs Predator The Thief Zeus
2020-03-04CrowdStrikeCrowdStrike
@techreport{crowdstrike:20200304:2020:818c85f, author = {CrowdStrike}, title = {{2020 CrowdStrike Global Threat Report}}, date = {2020-03-04}, institution = {CrowdStrike}, url = {https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2020CrowdStrikeGlobalThreatReport.pdf}, language = {English}, urldate = {2020-07-24} } 2020 CrowdStrike Global Threat Report
MESSAGETAP More_eggs 8.t Dropper Anchor BabyShark BadNews Clop Cobalt Strike CobInt Cobra Carbon System Cutwail DanaBot Dharma DoppelDridex DoppelPaymer Dridex Emotet FlawedAmmyy FriedEx Gandcrab Get2 IcedID ISFB KerrDown LightNeuron LockerGoga Maze MECHANICAL Necurs Nokki Outlook Backdoor Phobos Predator The Thief QakBot REvil RobinHood Ryuk SDBbot Skipper SmokeLoader TerraRecon TerraStealer TerraTV TinyLoader TrickBot vidar Winnti ANTHROPOID SPIDER APT31 APT39 BlackTech BuhTrap Charming Kitten CLOCKWORK SPIDER DOPPEL SPIDER FIN7 Gamaredon Group Leviathan MONTY SPIDER Mustang Panda NARWHAL SPIDER NOCTURNAL SPIDER PINCHY SPIDER Pirate Panda SALTY SPIDER SCULLY SPIDER SMOKY SPIDER Thrip VENOM SPIDER
2020-03-03PWC UKPWC UK
@techreport{uk:20200303:cyber:1f1eef0, author = {PWC UK}, title = {{Cyber Threats 2019:A Year in Retrospect}}, date = {2020-03-03}, institution = {PWC UK}, url = {https://www.pwc.co.uk/cyber-security/assets/cyber-threats-2019-retrospect.pdf}, language = {English}, urldate = {2020-03-03} } Cyber Threats 2019:A Year in Retrospect
KevDroid MESSAGETAP magecart AndroMut Cobalt Strike CobInt Crimson RAT DNSpionage Dridex Dtrack Emotet FlawedAmmyy FlawedGrace FriedEx Gandcrab Get2 GlobeImposter Grateful POS ISFB Kazuar LockerGoga Nokki QakBot Ramnit REvil Rifdoor RokRAT Ryuk shadowhammer ShadowPad Shifu Skipper StoneDrill Stuxnet TrickBot Winnti ZeroCleare Axiom
2020-02-25Bleeping ComputerLawrence Abrams
@online{abrams:20200225:doppelpaymer:9ca20ab, author = {Lawrence Abrams}, title = {{DoppelPaymer Ransomware Launches Site to Post Victim's Data}}, date = {2020-02-25}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/doppelpaymer-ransomware-launches-site-to-post-victims-data/}, language = {English}, urldate = {2020-02-26} } DoppelPaymer Ransomware Launches Site to Post Victim's Data
DoppelPaymer FriedEx
2020-02-25RSA ConferenceJoel DeCapua
@online{decapua:20200225:feds:423f929, author = {Joel DeCapua}, title = {{Feds Fighting Ransomware: How the FBI Investigates and How You Can Help}}, date = {2020-02-25}, organization = {RSA Conference}, url = {https://www.youtube.com/watch?v=LUxOcpIRxmg}, language = {English}, urldate = {2020-03-04} } Feds Fighting Ransomware: How the FBI Investigates and How You Can Help
FastCash Cerber Defray Dharma FriedEx Gandcrab GlobeImposter Mamba Phobos Rapid Ransom REvil Ryuk SamSam Zeus
2020-02-12McAfeeChristiaan Beek
@online{beek:20200212:csi:4308ee0, author = {Christiaan Beek}, title = {{CSI: Evidence Indicators for Targeted Ransomware Attacks – Part I}}, date = {2020-02-12}, organization = {McAfee}, url = {https://www.mcafee.com/blogs/other-blogs/mcafee-labs/csi-evidence-indicators-for-targeted-ransomware-attacks/}, language = {English}, urldate = {2021-05-13} } CSI: Evidence Indicators for Targeted Ransomware Attacks – Part I
FriedEx
2020-01-29ANSSIANSSI
@techreport{anssi:20200129:tat:3d59e6e, author = {ANSSI}, title = {{État de la menace rançongiciel}}, date = {2020-01-29}, institution = {ANSSI}, url = {https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-001.pdf}, language = {English}, urldate = {2020-02-03} } État de la menace rançongiciel
Clop Dharma FriedEx Gandcrab LockerGoga Maze MegaCortex REvil RobinHood Ryuk SamSam
2020-01-17SecureworksTamada Kiyotaka, Keita Yamazaki, You Nakatsuru
@techreport{kiyotaka:20200117:is:969ff38, author = {Tamada Kiyotaka and Keita Yamazaki and You Nakatsuru}, title = {{Is It Wrong to Try to Find APT Techniques in Ransomware Attack?}}, date = {2020-01-17}, institution = {Secureworks}, url = {https://jsac.jpcert.or.jp/archive/2020/pdf/JSAC2020_1_tamada-yamazaki-nakatsuru_en.pdf}, language = {English}, urldate = {2020-04-06} } Is It Wrong to Try to Find APT Techniques in Ransomware Attack?
Defray Dharma FriedEx Gandcrab GlobeImposter Matrix Ransom MedusaLocker Phobos REvil Ryuk SamSam Scarab Ransomware
2020SecureworksSecureWorks
@online{secureworks:2020:gold:0d8c853, author = {SecureWorks}, title = {{GOLD DRAKE}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/gold-drake}, language = {English}, urldate = {2020-05-23} } GOLD DRAKE
Dridex Empire Downloader FriedEx Koadic MimiKatz
2019-11-06BluelivJose Miguel Esparza, Blueliv Team
@online{esparza:20191106:spanish:eaf5520, author = {Jose Miguel Esparza and Blueliv Team}, title = {{Spanish consultancy Everis suffers BitPaymer ransomware attack: a brief analysis}}, date = {2019-11-06}, organization = {Blueliv}, url = {https://www.blueliv.com/cyber-security-and-cyber-threat-intelligence-blog-blueliv/research/everis-bitpaymer-ransomware-attack-analysis-dridex/}, language = {English}, urldate = {2020-01-08} } Spanish consultancy Everis suffers BitPaymer ransomware attack: a brief analysis
FriedEx
2019-07-12CrowdStrikeBrett Stone-Gross, Sergei Frankoff, Bex Hartley
@online{stonegross:20190712:bitpaymer:113a037, author = {Brett Stone-Gross and Sergei Frankoff and Bex Hartley}, title = {{BitPaymer Source Code Fork: Meet DoppelPaymer Ransomware and Dridex 2.0}}, date = {2019-07-12}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/doppelpaymer-ransomware-and-dridex-2/}, language = {English}, urldate = {2020-04-25} } BitPaymer Source Code Fork: Meet DoppelPaymer Ransomware and Dridex 2.0
DoppelPaymer Dridex FriedEx
2019-04-15Trend MicroGilbert Sison, Ryan Maglaque
@online{sison:20190415:account:6783792, author = {Gilbert Sison and Ryan Maglaque}, title = {{Account With Admin Privileges Abused to Install BitPaymer Ransomware via PsExec}}, date = {2019-04-15}, organization = {Trend Micro}, url = {https://blog.trendmicro.com/trendlabs-security-intelligence/account-with-admin-privileges-abused-to-install-bitpaymer-ransomware-via-psexec}, language = {English}, urldate = {2020-01-08} } Account With Admin Privileges Abused to Install BitPaymer Ransomware via PsExec
FriedEx
2018-12-18Trend MicroTrendmicro
@online{trendmicro:20181218:ursnif:cc5ce31, author = {Trendmicro}, title = {{URSNIF, EMOTET, DRIDEX and BitPaymer Gangs Linked by a Similar Loader}}, date = {2018-12-18}, organization = {Trend Micro}, url = {https://blog.trendmicro.com/trendlabs-security-intelligence/ursnif-emotet-dridex-and-bitpaymer-gangs-linked-by-a-similar-loader/}, language = {English}, urldate = {2020-01-07} } URSNIF, EMOTET, DRIDEX and BitPaymer Gangs Linked by a Similar Loader
Dridex Emotet FriedEx ISFB
2018-11-14CrowdStrikeSergei Frankoff, Bex Hartley
@online{frankoff:20181114:big:723025d, author = {Sergei Frankoff and Bex Hartley}, title = {{Big Game Hunting: The Evolution of INDRIK SPIDER From Dridex Wire Fraud to BitPaymer Targeted Ransomware}}, date = {2018-11-14}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/big-game-hunting-the-evolution-of-indrik-spider-from-dridex-wire-fraud-to-bitpaymer-targeted-ransomware/}, language = {English}, urldate = {2019-12-20} } Big Game Hunting: The Evolution of INDRIK SPIDER From Dridex Wire Fraud to BitPaymer Targeted Ransomware
FriedEx INDRIK SPIDER
2018-01-26ESET ResearchMichal Poslušný
@online{poslun:20180126:friedex:3c3f46b, author = {Michal Poslušný}, title = {{FriedEx: BitPaymer ransomware the work of Dridex authors}}, date = {2018-01-26}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2018/01/26/friedex-bitpaymer-ransomware-work-dridex-authors/}, language = {English}, urldate = {2019-11-14} } FriedEx: BitPaymer ransomware the work of Dridex authors
Dridex FriedEx
Yara Rules
[TLP:WHITE] win_friedex_auto (20211008 | Detects win.friedex.)
rule win_friedex_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.friedex."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.friedex"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 6a08 6a00 ff742410 8bf1 e8???????? }
            // n = 5, score = 800
            //   6a08                 | push                8
            //   6a00                 | push                0
            //   ff742410             | push                dword ptr [esp + 0x10]
            //   8bf1                 | mov                 esi, ecx
            //   e8????????           |                     

        $sequence_1 = { 6a00 ff760c ffd0 5e c20400 56 }
            // n = 6, score = 800
            //   6a00                 | push                0
            //   ff760c               | push                dword ptr [esi + 0xc]
            //   ffd0                 | call                eax
            //   5e                   | pop                 esi
            //   c20400               | ret                 4
            //   56                   | push                esi

        $sequence_2 = { 03c5 33d2 663910 7431 }
            // n = 4, score = 800
            //   03c5                 | add                 eax, ebp
            //   33d2                 | xor                 edx, edx
            //   663910               | cmp                 word ptr [eax], dx
            //   7431                 | je                  0x33

        $sequence_3 = { ffd0 8bd8 6a44 5f }
            // n = 4, score = 800
            //   ffd0                 | call                eax
            //   8bd8                 | mov                 ebx, eax
            //   6a44                 | push                0x44
            //   5f                   | pop                 edi

        $sequence_4 = { 897c2414 5d eb16 0fb730 663bf7 }
            // n = 5, score = 800
            //   897c2414             | mov                 dword ptr [esp + 0x14], edi
            //   5d                   | pop                 ebp
            //   eb16                 | jmp                 0x18
            //   0fb730               | movzx               esi, word ptr [eax]
            //   663bf7               | cmp                 si, di

        $sequence_5 = { 5f 6a3f 5b 6a02 897c2414 5d }
            // n = 6, score = 800
            //   5f                   | pop                 edi
            //   6a3f                 | push                0x3f
            //   5b                   | pop                 ebx
            //   6a02                 | push                2
            //   897c2414             | mov                 dword ptr [esp + 0x14], edi
            //   5d                   | pop                 ebp

        $sequence_6 = { 8bc8 e8???????? 6a26 8bc8 e8???????? 57 }
            // n = 6, score = 800
            //   8bc8                 | mov                 ecx, eax
            //   e8????????           |                     
            //   6a26                 | push                0x26
            //   8bc8                 | mov                 ecx, eax
            //   e8????????           |                     
            //   57                   | push                edi

        $sequence_7 = { e8???????? 85c0 7403 53 ffd0 6880000000 33db }
            // n = 7, score = 800
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   7403                 | je                  5
            //   53                   | push                ebx
            //   ffd0                 | call                eax
            //   6880000000           | push                0x80
            //   33db                 | xor                 ebx, ebx

        $sequence_8 = { e8???????? 8d0d4430a500 31d2 8b75f8 89461c }
            // n = 5, score = 100
            //   e8????????           |                     
            //   8d0d4430a500         | lea                 ecx, dword ptr [0xa53044]
            //   31d2                 | xor                 edx, edx
            //   8b75f8               | mov                 esi, dword ptr [ebp - 8]
            //   89461c               | mov                 dword ptr [esi + 0x1c], eax

        $sequence_9 = { 5b 5d c3 8b45f0 8b0c850440a500 8b55f8 }
            // n = 6, score = 100
            //   5b                   | pop                 ebx
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8b0c850440a500       | mov                 ecx, dword ptr [eax*4 + 0xa54004]
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]

        $sequence_10 = { 8b45f0 8b0c850440a500 8b55f8 39d1 8945ec 894de8 }
            // n = 6, score = 100
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   8b0c850440a500       | mov                 ecx, dword ptr [eax*4 + 0xa54004]
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]
            //   39d1                 | cmp                 ecx, edx
            //   8945ec               | mov                 dword ptr [ebp - 0x14], eax
            //   894de8               | mov                 dword ptr [ebp - 0x18], ecx

        $sequence_11 = { c7424004000000 c7424458270000 c7424800100100 8b7de4 c787cc00000000000000 c787c800000000000000 8945dc }
            // n = 7, score = 100
            //   c7424004000000       | mov                 dword ptr [edx + 0x40], 4
            //   c7424458270000       | mov                 dword ptr [edx + 0x44], 0x2758
            //   c7424800100100       | mov                 dword ptr [edx + 0x48], 0x11000
            //   8b7de4               | mov                 edi, dword ptr [ebp - 0x1c]
            //   c787cc00000000000000     | mov    dword ptr [edi + 0xcc], 0
            //   c787c800000000000000     | mov    dword ptr [edi + 0xc8], 0
            //   8945dc               | mov                 dword ptr [ebp - 0x24], eax

        $sequence_12 = { 8d0de830a500 890424 894c2404 e8???????? 8d0d4430a500 }
            // n = 5, score = 100
            //   8d0de830a500         | lea                 ecx, dword ptr [0xa530e8]
            //   890424               | mov                 dword ptr [esp], eax
            //   894c2404             | mov                 dword ptr [esp + 4], ecx
            //   e8????????           |                     
            //   8d0d4430a500         | lea                 ecx, dword ptr [0xa53044]

        $sequence_13 = { c3 55 89e5 83ec10 8b4508 8d0d4430a500 31d2 }
            // n = 7, score = 100
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   89e5                 | mov                 ebp, esp
            //   83ec10               | sub                 esp, 0x10
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8d0d4430a500         | lea                 ecx, dword ptr [0xa53044]
            //   31d2                 | xor                 edx, edx

        $sequence_14 = { 31d2 8a2c057530a500 83c001 38e9 8945a0 8955cc 74bc }
            // n = 7, score = 100
            //   31d2                 | xor                 edx, edx
            //   8a2c057530a500       | mov                 ch, byte ptr [eax + 0xa53075]
            //   83c001               | add                 eax, 1
            //   38e9                 | cmp                 cl, ch
            //   8945a0               | mov                 dword ptr [ebp - 0x60], eax
            //   8955cc               | mov                 dword ptr [ebp - 0x34], edx
            //   74bc                 | je                  0xffffffbe

        $sequence_15 = { 8975cc 751c 8b45a4 8a4daf 31d2 8a2c057530a500 }
            // n = 6, score = 100
            //   8975cc               | mov                 dword ptr [ebp - 0x34], esi
            //   751c                 | jne                 0x1e
            //   8b45a4               | mov                 eax, dword ptr [ebp - 0x5c]
            //   8a4daf               | mov                 cl, byte ptr [ebp - 0x51]
            //   31d2                 | xor                 edx, edx
            //   8a2c057530a500       | mov                 ch, byte ptr [eax + 0xa53075]

    condition:
        7 of them and filesize < 204800
}
[TLP:WHITE] win_friedex_w0   (20200304 | BitPaymer Payload)
/*
# Copyright (C) 2019 Kevin O'Reilly (kevoreilly@gmail.com)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

rule win_friedex_w0 {
    meta:
        author = "kevoreilly"
        description = "BitPaymer Payload"
        source = "https://github.com/ctxis/CAPE/blob/a67579f409828928005fc55cfdaae1b5199ea1db/data/yara/CAPE/BitPaymer.yar"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.friedex"
        malpedia_version = "20200304"
        malpedia_sharing = "TLP:WHITE"
        malpedia_license = ""
    strings:
        $decrypt32 = {6A 40 58 3B C8 0F 4D C1 39 46 04 7D 50 53 57 8B F8 81 E7 3F 00 00 80 79 05 4F 83 CF C0 47 F7 DF 99 1B FF 83 E2 3F 03 C2 F7 DF C1 F8 06 03 F8 C1 E7 06 57}
        $antidefender = "TouchMeNot" wide
    condition:
        uint16(0) == 0x5A4D and all of them
}
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