SYMBOLCOMMON_NAMEaka. SYNONYMS
win.suncrypt (Back to overview)

SunCrypt


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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 (20210616 | Detects win.suncrypt.)
rule win_suncrypt_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-06-10"
        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 = "20210604"
        malpedia_hash = "be09d5d71e77373c0f538068be31a2ad4c69cfbd"
        malpedia_version = "20210616"
        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 = { 0f294590 660fefe2 660f380025???????? 0f28c6 0f2975b0 660ffec3 0f28dc }
            // n = 7, score = 200
            //   0f294590             | movaps              xmmword ptr [ebp - 0x70], xmm0
            //   660fefe2             | pxor                xmm4, xmm2
            //   660f380025????????     |     
            //   0f28c6               | movaps              xmm0, xmm6
            //   0f2975b0             | movaps              xmmword ptr [ebp - 0x50], xmm6
            //   660ffec3             | paddd               xmm0, xmm3
            //   0f28dc               | movaps              xmm3, xmm4

        $sequence_1 = { 84c0 0f8570ffffff 5f 5e }
            // n = 4, score = 200
            //   84c0                 | test                al, al
            //   0f8570ffffff         | jne                 0xffffff76
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_2 = { 33cf c1c107 894dc4 8b4d84 03cb 8bf1 }
            // n = 6, score = 200
            //   33cf                 | xor                 ecx, edi
            //   c1c107               | rol                 ecx, 7
            //   894dc4               | mov                 dword ptr [ebp - 0x3c], ecx
            //   8b4d84               | mov                 ecx, dword ptr [ebp - 0x7c]
            //   03cb                 | add                 ecx, ebx
            //   8bf1                 | mov                 esi, ecx

        $sequence_3 = { 6898000000 8945f4 8d85acfbffff 6a00 }
            // n = 4, score = 200
            //   6898000000           | push                0x98
            //   8945f4               | mov                 dword ptr [ebp - 0xc], eax
            //   8d85acfbffff         | lea                 eax, dword ptr [ebp - 0x454]
            //   6a00                 | push                0

        $sequence_4 = { e8???????? 8d8590fdffff 50 8d8578feffff 50 8d85e0fdffff }
            // n = 6, score = 200
            //   e8????????           |                     
            //   8d8590fdffff         | lea                 eax, dword ptr [ebp - 0x270]
            //   50                   | push                eax
            //   8d8578feffff         | lea                 eax, dword ptr [ebp - 0x188]
            //   50                   | push                eax
            //   8d85e0fdffff         | lea                 eax, dword ptr [ebp - 0x220]

        $sequence_5 = { 8b45c0 0422 83f02a 8845e6 }
            // n = 4, score = 200
            //   8b45c0               | mov                 eax, dword ptr [ebp - 0x40]
            //   0422                 | add                 al, 0x22
            //   83f02a               | xor                 eax, 0x2a
            //   8845e6               | mov                 byte ptr [ebp - 0x1a], al

        $sequence_6 = { 50 e8???????? 0fa4c209 c1e009 }
            // n = 4, score = 200
            //   50                   | push                eax
            //   e8????????           |                     
            //   0fa4c209             | shld                edx, eax, 9
            //   c1e009               | shl                 eax, 9

        $sequence_7 = { c645ef4e c645f068 c645f14e c645f257 c645f34c c645f45b }
            // n = 6, score = 200
            //   c645ef4e             | mov                 byte ptr [ebp - 0x11], 0x4e
            //   c645f068             | mov                 byte ptr [ebp - 0x10], 0x68
            //   c645f14e             | mov                 byte ptr [ebp - 0xf], 0x4e
            //   c645f257             | mov                 byte ptr [ebp - 0xe], 0x57
            //   c645f34c             | mov                 byte ptr [ebp - 0xd], 0x4c
            //   c645f45b             | mov                 byte ptr [ebp - 0xc], 0x5b

        $sequence_8 = { 660f72d114 660febc8 0f2845d0 0f28e1 660ffee2 0f28d7 660ffe9560ffffff }
            // n = 7, score = 200
            //   660f72d114           | psrld               xmm1, 0x14
            //   660febc8             | por                 xmm1, xmm0
            //   0f2845d0             | movaps              xmm0, xmmword ptr [ebp - 0x30]
            //   0f28e1               | movaps              xmm4, xmm1
            //   660ffee2             | paddd               xmm4, xmm2
            //   0f28d7               | movaps              xmm2, xmm7
            //   660ffe9560ffffff     | paddd               xmm2, xmmword ptr [ebp - 0xa0]

        $sequence_9 = { 46 8b03 85c0 0f844d010000 c70300000000 8bd8 895d0c }
            // n = 7, score = 200
            //   46                   | inc                 esi
            //   8b03                 | mov                 eax, dword ptr [ebx]
            //   85c0                 | test                eax, eax
            //   0f844d010000         | je                  0x153
            //   c70300000000         | mov                 dword ptr [ebx], 0
            //   8bd8                 | mov                 ebx, eax
            //   895d0c               | mov                 dword ptr [ebp + 0xc], ebx

    condition:
        7 of them and filesize < 172032
}
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