SYMBOLCOMMON_NAMEaka. SYNONYMS
win.suncrypt (Back to overview)

SunCrypt


There is no description at this point.

References
2021-09-09Medium s2wlabS2W TALON
@online{talon:20210909:case:fdbe983, author = {S2W TALON}, title = {{Case Analysis of Suncrypt Ransomware Negotiation and Bitcoin Transaction}}, date = {2021-09-09}, organization = {Medium s2wlab}, url = {https://medium.com/s2wlab/case-analysis-of-suncrypt-ransomware-negotiation-and-bitcoin-transaction-43a2194ac0bc}, language = {English}, urldate = {2021-09-12} } Case Analysis of Suncrypt Ransomware Negotiation and Bitcoin Transaction
SunCrypt
2021-07-22S2W LAB Inc.Denise Dasom Kim, Jungyeon Lim, Yeonghyeon Jeong, Sujin Lim
@online{kim:20210722:w4:c901bea, author = {Denise Dasom Kim and Jungyeon Lim and Yeonghyeon Jeong and Sujin Lim}, title = {{W4 July | EN | Story of the week: Ransomware on the Darkweb}}, date = {2021-07-22}, organization = {S2W LAB Inc.}, url = {https://medium.com/s2wlab/w4-july-en-story-of-the-week-ransomware-on-the-darkweb-c61965d0386a}, language = {English}, urldate = {2021-07-26} } W4 July | EN | Story of the week: Ransomware on the Darkweb
LockBit SunCrypt
2021-05-10DarkTracerDarkTracer
@online{darktracer:20210510:intelligence:b9d1c3f, author = {DarkTracer}, title = {{Intelligence Report on Ransomware Gangs on the DarkWeb: List of victim organizations attacked by ransomware gangs released on the DarkWeb}}, date = {2021-05-10}, organization = {DarkTracer}, url = {https://docs.google.com/spreadsheets/d/1MI8Z2tBhmqQ5X8Wf_ozv3dVjz5sJOs-3}, language = {English}, urldate = {2021-05-13} } Intelligence Report on Ransomware Gangs on the DarkWeb: List of victim organizations attacked by ransomware gangs released on the DarkWeb
RansomEXX Avaddon Babuk Clop Conti Cuba DarkSide DoppelPaymer Egregor Hades LockBit Mailto Maze MedusaLocker Mespinoza Mount Locker Nefilim Nemty Pay2Key PwndLocker RagnarLocker Ragnarok RansomEXX REvil Sekhmet SunCrypt ThunderX
2021-04-26CoveWareCoveWare
@online{coveware:20210426:ransomware:12586d5, author = {CoveWare}, title = {{Ransomware Attack Vectors Shift as New Software Vulnerability Exploits Abound}}, date = {2021-04-26}, organization = {CoveWare}, url = {https://www.coveware.com/blog/ransomware-attack-vectors-shift-as-new-software-vulnerability-exploits-abound}, language = {English}, urldate = {2021-05-13} } Ransomware Attack Vectors Shift as New Software Vulnerability Exploits Abound
Avaddon Clop Conti DarkSide Egregor LockBit Mailto Phobos REvil Ryuk SunCrypt
2021-04-07ANALYST1Jon DiMaggio
@online{dimaggio:20210407:ransom:a109d6f, author = {Jon DiMaggio}, title = {{Ransom Mafia - Analysis of the World's First Ransomware Cartel}}, date = {2021-04-07}, organization = {ANALYST1}, url = {https://analyst1.com/blog/ransom-mafia-analysis-of-the-worlds-first-ransomware-cartel}, language = {English}, urldate = {2021-06-01} } Ransom Mafia - Analysis of the World's First Ransomware Cartel
Conti Egregor LockBit Maze RagnarLocker SunCrypt VIKING SPIDER
2021-04-07ANALYST1Jon DiMaggio
@techreport{dimaggio:20210407:ransom:a543eac, author = {Jon DiMaggio}, title = {{Ransom Mafia Analysis of the World's First Ransomware Cartel}}, date = {2021-04-07}, institution = {ANALYST1}, url = {https://analyst1.com/file-assets/RANSOM-MAFIA-ANALYSIS-OF-THE-WORLD%E2%80%99S-FIRST-RANSOMWARE-CARTEL.pdf}, language = {English}, urldate = {2021-04-09} } Ransom Mafia Analysis of the World's First Ransomware Cartel
Conti Egregor LockBit Maze RagnarLocker Ryuk SunCrypt TA2101 VIKING SPIDER
2021-03-28PC's Xcetra SupportDavid Ledbetter
@online{ledbetter:20210328:suncrypt:121d53e, author = {David Ledbetter}, title = {{SunCrypt, PowerShell obfuscation, shellcode and more yara}}, date = {2021-03-28}, organization = {PC's Xcetra Support}, url = {https://pcsxcetrasupport3.wordpress.com/2021/03/28/suncrypt-powershell-obfuscation-shellcode-and-more-yara/}, language = {English}, urldate = {2021-03-31} } SunCrypt, PowerShell obfuscation, shellcode and more yara
SunCrypt
2021-03-02IntezerJoakim Kennedy
@online{kennedy:20210302:when:b33af31, author = {Joakim Kennedy}, title = {{When Viruses Mutate: Did SunCrypt Ransomware Evolve from QNAPCrypt?}}, date = {2021-03-02}, organization = {Intezer}, url = {https://www.intezer.com/blog/malware-analysis/when-viruses-mutate-did-suncrypt-ransomware-evolve-from-qnapcrypt}, language = {English}, urldate = {2021-03-04} } When Viruses Mutate: Did SunCrypt Ransomware Evolve from QNAPCrypt?
QNAPCrypt SunCrypt
2021-02-23CrowdStrikeCrowdStrike
@techreport{crowdstrike:20210223:2021:bf5bc4f, author = {CrowdStrike}, title = {{2021 Global Threat Report}}, date = {2021-02-23}, institution = {CrowdStrike}, url = {https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2021GTR.pdf}, language = {English}, urldate = {2021-02-25} } 2021 Global Threat Report
RansomEXX Amadey Anchor Avaddon BazarBackdoor Clop Cobalt Strike Conti Cutwail DanaBot DarkSide DoppelPaymer Dridex Egregor Emotet Hakbit IcedID JSOutProx KerrDown LockBit Mailto Maze MedusaLocker Mespinoza Mount Locker NedDnLoader Nemty Pay2Key PlugX Pushdo PwndLocker PyXie QakBot Quasar RAT RagnarLocker Ragnarok RansomEXX REvil Ryuk Sekhmet ShadowPad SmokeLoader Snake SUNBURST SunCrypt TEARDROP TrickBot WastedLocker Winnti Zloader KNOCKOUT SPIDER OUTLAW SPIDER RIDDLE SPIDER SOLAR SPIDER VIKING SPIDER
2021-02-04ChainanalysisChainalysis Team
@online{team:20210204:blockchain:4e63b2f, author = {Chainalysis Team}, title = {{Blockchain Analysis Shows Connections Between Four of 2020’s Biggest Ransomware Strains}}, date = {2021-02-04}, organization = {Chainanalysis}, url = {https://blog.chainalysis.com/reports/ransomware-connections-maze-egregor-suncrypt-doppelpaymer}, language = {English}, urldate = {2021-02-06} } Blockchain Analysis Shows Connections Between Four of 2020’s Biggest Ransomware Strains
DoppelPaymer Egregor Maze SunCrypt
2020-12-16AccenturePaul Mansfield
@online{mansfield:20201216:tracking:25540bd, author = {Paul Mansfield}, title = {{Tracking and combatting an evolving danger: Ransomware extortion}}, date = {2020-12-16}, organization = {Accenture}, url = {https://www.accenture.com/us-en/blogs/cyber-defense/evolving-danger-ransomware-extortion}, language = {English}, urldate = {2020-12-17} } Tracking and combatting an evolving danger: Ransomware extortion
DarkSide Egregor Maze Nefilim RagnarLocker REvil Ryuk SunCrypt
2020-11-16Intel 471Intel 471
@online{471:20201116:ransomwareasaservice:11a5a8b, author = {Intel 471}, title = {{Ransomware-as-a-service: The pandemic within a pandemic}}, date = {2020-11-16}, organization = {Intel 471}, url = {https://public.intel471.com/blog/ransomware-as-a-service-2020-ryuk-maze-revil-egregor-doppelpaymer/}, language = {English}, urldate = {2020-11-17} } Ransomware-as-a-service: The pandemic within a pandemic
Avaddon Clop Conti DoppelPaymer Egregor Hakbit Mailto Maze Mespinoza RagnarLocker REvil Ryuk SunCrypt ThunderX
2020-11-12Medium Sapphirex00Sapphire
@online{sapphire:20201112:diving:6b388eb, author = {Sapphire}, title = {{Diving into the Sun — SunCrypt: A new neighbour in the ransomware mafia}}, date = {2020-11-12}, organization = {Medium Sapphirex00}, url = {https://medium.com/@sapphirex00/diving-into-the-sun-suncrypt-a-new-neighbour-in-the-ransomware-mafia-d89010c9df83}, language = {English}, urldate = {2020-11-23} } Diving into the Sun — SunCrypt: A new neighbour in the ransomware mafia
SunCrypt
2020-10-23HornetsecurityHornetsecurity Security Lab
@online{lab:20201023:leakwareransomwarehybrid:ae1de8e, author = {Hornetsecurity Security Lab}, title = {{Leakware-Ransomware-Hybrid Attacks}}, date = {2020-10-23}, organization = {Hornetsecurity}, url = {https://www.hornetsecurity.com/en/security-informationen-en/leakware-ransomware-hybrid-attacks/}, language = {English}, urldate = {2020-12-08} } Leakware-Ransomware-Hybrid Attacks
Avaddon Clop Conti DarkSide DoppelPaymer Mailto Maze Mespinoza Nefilim RagnarLocker REvil Sekhmet SunCrypt
2020-10-01KELAVictoria Kivilevich
@online{kivilevich:20201001:to:fd3aa09, author = {Victoria Kivilevich}, title = {{To Attack or Not to Attack: Targeting the Healthcare Sector in the Underground Ecosystem}}, date = {2020-10-01}, organization = {KELA}, url = {https://ke-la.com/to-attack-or-not-to-attack-targeting-the-healthcare-sector-in-the-underground-ecosystem/}, language = {English}, urldate = {2021-05-07} } To Attack or Not to Attack: Targeting the Healthcare Sector in the Underground Ecosystem
Conti DoppelPaymer Mailto Maze REvil Ryuk SunCrypt
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
2020-08-26Bleeping ComputerLawrence Abrams
@online{abrams:20200826:suncrypt:426964e, author = {Lawrence Abrams}, title = {{SunCrypt Ransomware sheds light on the Maze ransomware cartel}}, date = {2020-08-26}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/suncrypt-ransomware-sheds-light-on-the-maze-ransomware-cartel/}, language = {English}, urldate = {2020-08-27} } SunCrypt Ransomware sheds light on the Maze ransomware cartel
SunCrypt
Yara Rules
[TLP:WHITE] win_suncrypt_auto (20211008 | Detects win.suncrypt.)
rule win_suncrypt_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.suncrypt."
        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.suncrypt"
        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 = { 56 57 ff15???????? 8bd8 bf41000000 0f1f8000000000 6683ff41 }
            // n = 7, score = 200
            //   56                   | push                esi
            //   57                   | push                edi
            //   ff15????????         |                     
            //   8bd8                 | mov                 ebx, eax
            //   bf41000000           | mov                 edi, 0x41
            //   0f1f8000000000       | nop                 dword ptr [eax]
            //   6683ff41             | cmp                 di, 0x41

        $sequence_1 = { 83f076 8845e9 8b45e0 0406 c645eb00 83f065 33d2 }
            // n = 7, score = 200
            //   83f076               | xor                 eax, 0x76
            //   8845e9               | mov                 byte ptr [ebp - 0x17], al
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]
            //   0406                 | add                 al, 6
            //   c645eb00             | mov                 byte ptr [ebp - 0x15], 0
            //   83f065               | xor                 eax, 0x65
            //   33d2                 | xor                 edx, edx

        $sequence_2 = { 83f901 7605 8bc6 5e 5d c3 33c0 }
            // n = 7, score = 200
            //   83f901               | cmp                 ecx, 1
            //   7605                 | jbe                 7
            //   8bc6                 | mov                 eax, esi
            //   5e                   | pop                 esi
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   33c0                 | xor                 eax, eax

        $sequence_3 = { 8b5df8 83c420 8945f8 8b45f4 8945e4 8b45f0 }
            // n = 6, score = 200
            //   8b5df8               | mov                 ebx, dword ptr [ebp - 8]
            //   83c420               | add                 esp, 0x20
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   8945e4               | mov                 dword ptr [ebp - 0x1c], eax
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]

        $sequence_4 = { 894dc8 8b4df4 660f1f440000 83f840 7321 8b45c8 }
            // n = 6, score = 200
            //   894dc8               | mov                 dword ptr [ebp - 0x38], ecx
            //   8b4df4               | mov                 ecx, dword ptr [ebp - 0xc]
            //   660f1f440000         | nop                 word ptr [eax + eax]
            //   83f840               | cmp                 eax, 0x40
            //   7321                 | jae                 0x23
            //   8b45c8               | mov                 eax, dword ptr [ebp - 0x38]

        $sequence_5 = { 0f1185a8feffff 0f1045a8 0f1185b8feffff e8???????? 8d8568ffffff }
            // n = 5, score = 200
            //   0f1185a8feffff       | movups              xmmword ptr [ebp - 0x158], xmm0
            //   0f1045a8             | movups              xmm0, xmmword ptr [ebp - 0x58]
            //   0f1185b8feffff       | movups              xmmword ptr [ebp - 0x148], xmm0
            //   e8????????           |                     
            //   8d8568ffffff         | lea                 eax, dword ptr [ebp - 0x98]

        $sequence_6 = { 8b4308 13f2 f76b40 03c8 8b4508 13f2 0fa4ce01 }
            // n = 7, score = 200
            //   8b4308               | mov                 eax, dword ptr [ebx + 8]
            //   13f2                 | adc                 esi, edx
            //   f76b40               | imul                dword ptr [ebx + 0x40]
            //   03c8                 | add                 ecx, eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   13f2                 | adc                 esi, edx
            //   0fa4ce01             | shld                esi, ecx, 1

        $sequence_7 = { 83f061 8845f0 8b45e8 0405 83f06d 8845f1 }
            // n = 6, score = 200
            //   83f061               | xor                 eax, 0x61
            //   8845f0               | mov                 byte ptr [ebp - 0x10], al
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]
            //   0405                 | add                 al, 5
            //   83f06d               | xor                 eax, 0x6d
            //   8845f1               | mov                 byte ptr [ebp - 0xf], al

        $sequence_8 = { 33c1 c1c008 8945ac 89856cffffff 8d0c02 8bc7 }
            // n = 6, score = 200
            //   33c1                 | xor                 eax, ecx
            //   c1c008               | rol                 eax, 8
            //   8945ac               | mov                 dword ptr [ebp - 0x54], eax
            //   89856cffffff         | mov                 dword ptr [ebp - 0x94], eax
            //   8d0c02               | lea                 ecx, dword ptr [edx + eax]
            //   8bc7                 | mov                 eax, edi

        $sequence_9 = { c685edfeffff2a 8a856cfeffff c685eefeffff00 0f1f840000000000 8a84156cfeffff 0fbe8d68feffff 0fbec0 }
            // n = 7, score = 200
            //   c685edfeffff2a       | mov                 byte ptr [ebp - 0x113], 0x2a
            //   8a856cfeffff         | mov                 al, byte ptr [ebp - 0x194]
            //   c685eefeffff00       | mov                 byte ptr [ebp - 0x112], 0
            //   0f1f840000000000     | nop                 dword ptr [eax + eax]
            //   8a84156cfeffff       | mov                 al, byte ptr [ebp + edx - 0x194]
            //   0fbe8d68feffff       | movsx               ecx, byte ptr [ebp - 0x198]
            //   0fbec0               | movsx               eax, al

    condition:
        7 of them and filesize < 172032
}
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