SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pay2key (Back to overview)

Pay2Key

aka: Cobalt

There is no description at this point.

References
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
2021-05-04Twitter (@TrendMicroRSRCH)Trend Micro Research
@online{research:20210504:n3tw0rm:626085f, author = {Trend Micro Research}, title = {{Tweet on N3tw0rm ransomware, that has started affecting users in Israel.}}, date = {2021-05-04}, organization = {Twitter (@TrendMicroRSRCH)}, url = {https://twitter.com/TrendMicroRSRCH/status/1389422784808378370}, language = {English}, urldate = {2021-05-04} } Tweet on N3tw0rm ransomware, that has started affecting users in Israel.
Pay2Key
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
2021-02-23CrowdStrikeCrowdStrike
@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
2020-12-17ClearSkyClearSky Research Team
@techreport{team:20201217:pay2kitten:2298e19, author = {ClearSky Research Team}, title = {{Pay2Kitten: Pay2Key Ransomware - A New Campaign by Fox Kitten}}, date = {2020-12-17}, institution = {ClearSky}, url = {https://www.clearskysec.com/wp-content/uploads/2020/12/Pay2Kitten.pdf}, language = {English}, urldate = {2020-12-17} } Pay2Kitten: Pay2Key Ransomware - A New Campaign by Fox Kitten
Pay2Key
2020-12-13Bleeping ComputerLawrence Abrams
@online{abrams:20201213:intels:ae85240, author = {Lawrence Abrams}, title = {{Intel's Habana Labs hacked by Pay2Key ransomware, data stolen}}, date = {2020-12-13}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/intels-habana-labs-hacked-by-pay2key-ransomware-data-stolen/}, language = {English}, urldate = {2020-12-14} } Intel's Habana Labs hacked by Pay2Key ransomware, data stolen
Pay2Key
2020-11-06CheckpointCheck Point Research
@online{research:20201106:ransomware:a394f4b, author = {Check Point Research}, title = {{Ransomware Alert: Pay2Key}}, date = {2020-11-06}, organization = {Checkpoint}, url = {https://research.checkpoint.com/2020/ransomware-alert-pay2key/}, language = {English}, urldate = {2020-11-06} } Ransomware Alert: Pay2Key
Pay2Key
Yara Rules
[TLP:WHITE] win_pay2key_auto (20211008 | Detects win.pay2key.)
rule win_pay2key_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.pay2key."
        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.pay2key"
        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 = { c707???????? 5f 5e 8be5 5d c3 c6470400 }
            // n = 7, score = 300
            //   c707????????         |                     
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   c6470400             | mov                 byte ptr [edi + 4], 0

        $sequence_1 = { 8b75ec 85f6 7432 83cfff c745fc01000000 8d4e04 }
            // n = 6, score = 300
            //   8b75ec               | mov                 esi, dword ptr [ebp - 0x14]
            //   85f6                 | test                esi, esi
            //   7432                 | je                  0x34
            //   83cfff               | or                  edi, 0xffffffff
            //   c745fc01000000       | mov                 dword ptr [ebp - 4], 1
            //   8d4e04               | lea                 ecx, dword ptr [esi + 4]

        $sequence_2 = { e8???????? 8b9d7cffffff 8d45d8 50 8bcb e8???????? c645fc03 }
            // n = 7, score = 300
            //   e8????????           |                     
            //   8b9d7cffffff         | mov                 ebx, dword ptr [ebp - 0x84]
            //   8d45d8               | lea                 eax, dword ptr [ebp - 0x28]
            //   50                   | push                eax
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   c645fc03             | mov                 byte ptr [ebp - 4], 3

        $sequence_3 = { 8b7d30 6a28 c745fc00000000 e8???????? 8bf0 83c404 8975f0 }
            // n = 7, score = 300
            //   8b7d30               | mov                 edi, dword ptr [ebp + 0x30]
            //   6a28                 | push                0x28
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   83c404               | add                 esp, 4
            //   8975f0               | mov                 dword ptr [ebp - 0x10], esi

        $sequence_4 = { b9???????? e8???????? 68???????? e8???????? 83c404 ff15???????? 8985ecfeffff }
            // n = 7, score = 300
            //   b9????????           |                     
            //   e8????????           |                     
            //   68????????           |                     
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   ff15????????         |                     
            //   8985ecfeffff         | mov                 dword ptr [ebp - 0x114], eax

        $sequence_5 = { f00fc14108 7505 8b01 ff5004 8b45ec 894710 8b45e4 }
            // n = 7, score = 300
            //   f00fc14108           | lock xadd           dword ptr [ecx + 8], eax
            //   7505                 | jne                 7
            //   8b01                 | mov                 eax, dword ptr [ecx]
            //   ff5004               | call                dword ptr [eax + 4]
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   894710               | mov                 dword ptr [edi + 0x10], eax
            //   8b45e4               | mov                 eax, dword ptr [ebp - 0x1c]

        $sequence_6 = { 7213 40 8d8dccf5ffff 50 ffb5ccf5ffff e8???????? 33c0 }
            // n = 7, score = 300
            //   7213                 | jb                  0x15
            //   40                   | inc                 eax
            //   8d8dccf5ffff         | lea                 ecx, dword ptr [ebp - 0xa34]
            //   50                   | push                eax
            //   ffb5ccf5ffff         | push                dword ptr [ebp - 0xa34]
            //   e8????????           |                     
            //   33c0                 | xor                 eax, eax

        $sequence_7 = { c645fc09 8bcc ff7508 e8???????? 8bcf c645fc01 e8???????? }
            // n = 7, score = 300
            //   c645fc09             | mov                 byte ptr [ebp - 4], 9
            //   8bcc                 | mov                 ecx, esp
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   8bcf                 | mov                 ecx, edi
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     

        $sequence_8 = { 837e1410 c7461000000000 7202 8b36 c60600 8d7768 }
            // n = 6, score = 300
            //   837e1410             | cmp                 dword ptr [esi + 0x14], 0x10
            //   c7461000000000       | mov                 dword ptr [esi + 0x10], 0
            //   7202                 | jb                  4
            //   8b36                 | mov                 esi, dword ptr [esi]
            //   c60600               | mov                 byte ptr [esi], 0
            //   8d7768               | lea                 esi, dword ptr [edi + 0x68]

        $sequence_9 = { 7404 f0ff4104 8b4f10 83ceff 894df0 85c9 741e }
            // n = 7, score = 300
            //   7404                 | je                  6
            //   f0ff4104             | lock inc            dword ptr [ecx + 4]
            //   8b4f10               | mov                 ecx, dword ptr [edi + 0x10]
            //   83ceff               | or                  esi, 0xffffffff
            //   894df0               | mov                 dword ptr [ebp - 0x10], ecx
            //   85c9                 | test                ecx, ecx
            //   741e                 | je                  0x20

    condition:
        7 of them and filesize < 2252800
}
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