SYMBOLCOMMON_NAMEaka. SYNONYMS
win.suncrypt (Back to overview)

SunCrypt


There is no description at this point.

References
2022-04-12LIFARSVlad Pasca
@techreport{pasca:20220412:detailed:132144b, author = {Vlad Pasca}, title = {{A Detailed Analysis of The SunCrypt Ransomware}}, date = {2022-04-12}, institution = {LIFARS}, url = {https://cdn.pathfactory.com/assets/10555/contents/394789/0dd521f8-aa64-4517-834e-bc852e9ab95d.pdf}, language = {English}, urldate = {2022-04-24} } A Detailed Analysis of The SunCrypt Ransomware
SunCrypt
2022-04-01Bleeping ComputerLawrence Abrams
@online{abrams:20220401:week:14d9669, author = {Lawrence Abrams}, title = {{The Week in Ransomware - April 1st 2022 - 'I can fight with a keyboard'}}, date = {2022-04-01}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/the-week-in-ransomware-april-1st-2022-i-can-fight-with-a-keyboard/}, language = {English}, urldate = {2022-04-05} } The Week in Ransomware - April 1st 2022 - 'I can fight with a keyboard'
Hive Dharma LockBit STOP SunCrypt
2022-03-28Minerva LabsNatalie Zargarov
@online{zargarov:20220328:suncrypt:123d4d5, author = {Natalie Zargarov}, title = {{SunCrypt Ransomware Gains New Capabilities in 2022}}, date = {2022-03-28}, organization = {Minerva Labs}, url = {https://blog.minerva-labs.com/suncrypt-ransomware-gains-new-abilities-in-2022}, language = {English}, urldate = {2022-03-29} } SunCrypt Ransomware Gains New Capabilities in 2022
SunCrypt
2022-03-28Bleeping ComputerBill Toulas
@online{toulas:20220328:suncrypt:27f9b79, author = {Bill Toulas}, title = {{SunCrypt ransomware is still alive and kicking in 2022}}, date = {2022-03-28}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/suncrypt-ransomware-is-still-alive-and-kicking-in-2022/}, language = {English}, urldate = {2022-03-29} } SunCrypt ransomware is still alive and kicking in 2022
SunCrypt
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
2020-10-08TesorionGijs Rijnders
@online{rijnders:20201008:shining:f05b53d, author = {Gijs Rijnders}, title = {{Shining a light on SunCrypt’s curious file encryption mechanism}}, date = {2020-10-08}, organization = {Tesorion}, url = {https://www.tesorion.nl/en/posts/shining-a-light-on-suncrypts-curious-file-encryption-mechanism/}, language = {English}, urldate = {2022-04-07} } Shining a light on SunCrypt’s curious file encryption mechanism
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 (20220411 | Detects win.suncrypt.)
rule win_suncrypt_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        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 = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { 83f91d 72ec 8a4de2 8d855cffffff 8d55e2 84c9 7419 }
            // n = 7, score = 200
            //   83f91d               | cmp                 ecx, 0x1d
            //   72ec                 | jb                  0xffffffee
            //   8a4de2               | mov                 cl, byte ptr [ebp - 0x1e]
            //   8d855cffffff         | lea                 eax, dword ptr [ebp - 0xa4]
            //   8d55e2               | lea                 edx, dword ptr [ebp - 0x1e]
            //   84c9                 | test                cl, cl
            //   7419                 | je                  0x1b

        $sequence_1 = { 8d85f4fdffff 50 53 ff15???????? 5f 5e 5b }
            // n = 7, score = 200
            //   8d85f4fdffff         | lea                 eax, dword ptr [ebp - 0x20c]
            //   50                   | push                eax
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx

        $sequence_2 = { 8be5 5d c3 8b02 8b400c 3d???????? 74e6 }
            // n = 7, score = 200
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   8b02                 | mov                 eax, dword ptr [edx]
            //   8b400c               | mov                 eax, dword ptr [eax + 0xc]
            //   3d????????           |                     
            //   74e6                 | je                  0xffffffe8

        $sequence_3 = { c645cb7d c645cc68 c645cd6c c645ce22 c645cf38 c645d079 c645d168 }
            // n = 7, score = 200
            //   c645cb7d             | mov                 byte ptr [ebp - 0x35], 0x7d
            //   c645cc68             | mov                 byte ptr [ebp - 0x34], 0x68
            //   c645cd6c             | mov                 byte ptr [ebp - 0x33], 0x6c
            //   c645ce22             | mov                 byte ptr [ebp - 0x32], 0x22
            //   c645cf38             | mov                 byte ptr [ebp - 0x31], 0x38
            //   c645d079             | mov                 byte ptr [ebp - 0x30], 0x79
            //   c645d168             | mov                 byte ptr [ebp - 0x2f], 0x68

        $sequence_4 = { 03ca 33f1 894dd0 8b4df0 c1c608 8975c0 0375f4 }
            // n = 7, score = 200
            //   03ca                 | add                 ecx, edx
            //   33f1                 | xor                 esi, ecx
            //   894dd0               | mov                 dword ptr [ebp - 0x30], ecx
            //   8b4df0               | mov                 ecx, dword ptr [ebp - 0x10]
            //   c1c608               | rol                 esi, 8
            //   8975c0               | mov                 dword ptr [ebp - 0x40], esi
            //   0375f4               | add                 esi, dword ptr [ebp - 0xc]

        $sequence_5 = { 8a45f8 0f1f440000 8a440df8 0fbec0 83e802 88440df8 41 }
            // n = 7, score = 200
            //   8a45f8               | mov                 al, byte ptr [ebp - 8]
            //   0f1f440000           | nop                 dword ptr [eax + eax]
            //   8a440df8             | mov                 al, byte ptr [ebp + ecx - 8]
            //   0fbec0               | movsx               eax, al
            //   83e802               | sub                 eax, 2
            //   88440df8             | mov                 byte ptr [ebp + ecx - 8], al
            //   41                   | inc                 ecx

        $sequence_6 = { 8d85c8feffff 50 e8???????? 83c418 be04000000 8d85c8feffff }
            // n = 6, score = 200
            //   8d85c8feffff         | lea                 eax, dword ptr [ebp - 0x138]
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c418               | add                 esp, 0x18
            //   be04000000           | mov                 esi, 4
            //   8d85c8feffff         | lea                 eax, dword ptr [ebp - 0x138]

        $sequence_7 = { 8bbd78ffffff c1c008 898524ffffff 03c1 8b8d38ffffff 33d0 034d98 }
            // n = 7, score = 200
            //   8bbd78ffffff         | mov                 edi, dword ptr [ebp - 0x88]
            //   c1c008               | rol                 eax, 8
            //   898524ffffff         | mov                 dword ptr [ebp - 0xdc], eax
            //   03c1                 | add                 eax, ecx
            //   8b8d38ffffff         | mov                 ecx, dword ptr [ebp - 0xc8]
            //   33d0                 | xor                 edx, eax
            //   034d98               | add                 ecx, dword ptr [ebp - 0x68]

        $sequence_8 = { ff15???????? 6af6 ffd7 5f 5e 8be5 }
            // n = 6, score = 200
            //   ff15????????         |                     
            //   6af6                 | push                -0xa
            //   ffd7                 | call                edi
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8be5                 | mov                 esp, ebp

        $sequence_9 = { 03c8 8b4508 13f2 0fa4ce01 89705c 03c9 894858 }
            // n = 7, score = 200
            //   03c8                 | add                 ecx, eax
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   13f2                 | adc                 esi, edx
            //   0fa4ce01             | shld                esi, ecx, 1
            //   89705c               | mov                 dword ptr [eax + 0x5c], esi
            //   03c9                 | add                 ecx, ecx
            //   894858               | mov                 dword ptr [eax + 0x58], ecx

    condition:
        7 of them and filesize < 172032
}
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