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 (20220516 | Detects win.pay2key.)
rule win_pay2key_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        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 = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        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 = { eb03 897a08 8b45fc 8b7004 391e 7523 807f0d00 }
            // n = 7, score = 300
            //   eb03                 | jmp                 5
            //   897a08               | mov                 dword ptr [edx + 8], edi
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   8b7004               | mov                 esi, dword ptr [eax + 4]
            //   391e                 | cmp                 dword ptr [esi], ebx
            //   7523                 | jne                 0x25
            //   807f0d00             | cmp                 byte ptr [edi + 0xd], 0

        $sequence_1 = { 83c40c 8d731c 8bf8 3bf7 743a 8b4614 83f808 }
            // n = 7, score = 300
            //   83c40c               | add                 esp, 0xc
            //   8d731c               | lea                 esi, [ebx + 0x1c]
            //   8bf8                 | mov                 edi, eax
            //   3bf7                 | cmp                 esi, edi
            //   743a                 | je                  0x3c
            //   8b4614               | mov                 eax, dword ptr [esi + 0x14]
            //   83f808               | cmp                 eax, 8

        $sequence_2 = { c6450800 83f808 720d 40 8d4d20 50 ff7520 }
            // n = 7, score = 300
            //   c6450800             | mov                 byte ptr [ebp + 8], 0
            //   83f808               | cmp                 eax, 8
            //   720d                 | jb                  0xf
            //   40                   | inc                 eax
            //   8d4d20               | lea                 ecx, [ebp + 0x20]
            //   50                   | push                eax
            //   ff7520               | push                dword ptr [ebp + 0x20]

        $sequence_3 = { 83c40c 8b461c 8d4d90 50 c745e00a000000 894de4 c745e800000000 }
            // n = 7, score = 300
            //   83c40c               | add                 esp, 0xc
            //   8b461c               | mov                 eax, dword ptr [esi + 0x1c]
            //   8d4d90               | lea                 ecx, [ebp - 0x70]
            //   50                   | push                eax
            //   c745e00a000000       | mov                 dword ptr [ebp - 0x20], 0xa
            //   894de4               | mov                 dword ptr [ebp - 0x1c], ecx
            //   c745e800000000       | mov                 dword ptr [ebp - 0x18], 0

        $sequence_4 = { c7869400000000000000 5e 5d c20800 8b7008 57 8b7908 }
            // n = 7, score = 300
            //   c7869400000000000000     | mov    dword ptr [esi + 0x94], 0
            //   5e                   | pop                 esi
            //   5d                   | pop                 ebp
            //   c20800               | ret                 8
            //   8b7008               | mov                 esi, dword ptr [eax + 8]
            //   57                   | push                edi
            //   8b7908               | mov                 edi, dword ptr [ecx + 8]

        $sequence_5 = { e8???????? 83ec0c c645fc01 8d5f38 8bcc 53 }
            // n = 6, score = 300
            //   e8????????           |                     
            //   83ec0c               | sub                 esp, 0xc
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   8d5f38               | lea                 ebx, [edi + 0x38]
            //   8bcc                 | mov                 ecx, esp
            //   53                   | push                ebx

        $sequence_6 = { ff752c 8bc8 c745fc01000000 ff7528 ff7524 ff7520 ff751c }
            // n = 7, score = 300
            //   ff752c               | push                dword ptr [ebp + 0x2c]
            //   8bc8                 | mov                 ecx, eax
            //   c745fc01000000       | mov                 dword ptr [ebp - 4], 1
            //   ff7528               | push                dword ptr [ebp + 0x28]
            //   ff7524               | push                dword ptr [ebp + 0x24]
            //   ff7520               | push                dword ptr [ebp + 0x20]
            //   ff751c               | push                dword ptr [ebp + 0x1c]

        $sequence_7 = { 8d4df4 e8???????? f30f7e00 660fd606 8b4808 894e08 8bc7 }
            // n = 7, score = 300
            //   8d4df4               | lea                 ecx, [ebp - 0xc]
            //   e8????????           |                     
            //   f30f7e00             | movq                xmm0, qword ptr [eax]
            //   660fd606             | movq                qword ptr [esi], xmm0
            //   8b4808               | mov                 ecx, dword ptr [eax + 8]
            //   894e08               | mov                 dword ptr [esi + 8], ecx
            //   8bc7                 | mov                 eax, edi

        $sequence_8 = { 3bfb 744d 83c704 8b37 85f6 743a c745fc00000000 }
            // n = 7, score = 300
            //   3bfb                 | cmp                 edi, ebx
            //   744d                 | je                  0x4f
            //   83c704               | add                 edi, 4
            //   8b37                 | mov                 esi, dword ptr [edi]
            //   85f6                 | test                esi, esi
            //   743a                 | je                  0x3c
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0

        $sequence_9 = { 56 e8???????? 8bd0 b9feffff0f 8b4704 2bc8 83f901 }
            // n = 7, score = 300
            //   56                   | push                esi
            //   e8????????           |                     
            //   8bd0                 | mov                 edx, eax
            //   b9feffff0f           | mov                 ecx, 0xffffffe
            //   8b4704               | mov                 eax, dword ptr [edi + 4]
            //   2bc8                 | sub                 ecx, eax
            //   83f901               | cmp                 ecx, 1

    condition:
        7 of them and filesize < 2252800
}
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