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 APT10 APT23 APT27 APT31 APT41 BlackTech BRONZE EDGEWOOD Inception Framework MUSTANG PANDA Red Charon Red Nue Tonto Team
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 (20230125 | Detects win.pay2key.)
rule win_pay2key_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        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 = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 8d8de4feffff 50 ffb5e4feffff e8???????? 8b85e0feffff c785f8feffff0f000000 c785f4feffff00000000 }
            // n = 7, score = 300
            //   8d8de4feffff         | lea                 ecx, [ebp - 0x11c]
            //   50                   | push                eax
            //   ffb5e4feffff         | push                dword ptr [ebp - 0x11c]
            //   e8????????           |                     
            //   8b85e0feffff         | mov                 eax, dword ptr [ebp - 0x120]
            //   c785f8feffff0f000000     | mov    dword ptr [ebp - 0x108], 0xf
            //   c785f4feffff00000000     | mov    dword ptr [ebp - 0x10c], 0

        $sequence_1 = { c7420401000000 c7420801000000 c702???????? 85c9 7405 }
            // n = 5, score = 300
            //   c7420401000000       | mov                 dword ptr [edx + 4], 1
            //   c7420801000000       | mov                 dword ptr [edx + 8], 1
            //   c702????????         |                     
            //   85c9                 | test                ecx, ecx
            //   7405                 | je                  7

        $sequence_2 = { a1???????? 33c5 50 8d45f4 64a300000000 8b5d08 895dec }
            // n = 7, score = 300
            //   a1????????           |                     
            //   33c5                 | xor                 eax, ebp
            //   50                   | push                eax
            //   8d45f4               | lea                 eax, [ebp - 0xc]
            //   64a300000000         | mov                 dword ptr fs:[0], eax
            //   8b5d08               | mov                 ebx, dword ptr [ebp + 8]
            //   895dec               | mov                 dword ptr [ebp - 0x14], ebx

        $sequence_3 = { e8???????? c787e400000000000000 c787e800000000000000 c787ec00000000000000 8b8fd8000000 85c9 }
            // n = 6, score = 300
            //   e8????????           |                     
            //   c787e400000000000000     | mov    dword ptr [edi + 0xe4], 0
            //   c787e800000000000000     | mov    dword ptr [edi + 0xe8], 0
            //   c787ec00000000000000     | mov    dword ptr [edi + 0xec], 0
            //   8b8fd8000000         | mov                 ecx, dword ptr [edi + 0xd8]
            //   85c9                 | test                ecx, ecx

        $sequence_4 = { e8???????? 8b4510 8b4d0c 0fb600 50 83ec0c 8bd4 }
            // n = 7, score = 300
            //   e8????????           |                     
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   0fb600               | movzx               eax, byte ptr [eax]
            //   50                   | push                eax
            //   83ec0c               | sub                 esp, 0xc
            //   8bd4                 | mov                 edx, esp

        $sequence_5 = { e8???????? 6a18 57 e8???????? 83c40c 5e }
            // n = 6, score = 300
            //   e8????????           |                     
            //   6a18                 | push                0x18
            //   57                   | push                edi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   5e                   | pop                 esi

        $sequence_6 = { ff5008 c745fc01000000 8b1f 8b7708 83c604 837b0800 7517 }
            // n = 7, score = 300
            //   ff5008               | call                dword ptr [eax + 8]
            //   c745fc01000000       | mov                 dword ptr [ebp - 4], 1
            //   8b1f                 | mov                 ebx, dword ptr [edi]
            //   8b7708               | mov                 esi, dword ptr [edi + 8]
            //   83c604               | add                 esi, 4
            //   837b0800             | cmp                 dword ptr [ebx + 8], 0
            //   7517                 | jne                 0x19

        $sequence_7 = { 85f6 7436 c745fc00000000 8b7620 85f6 7421 83cbff }
            // n = 7, score = 300
            //   85f6                 | test                esi, esi
            //   7436                 | je                  0x38
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   8b7620               | mov                 esi, dword ptr [esi + 0x20]
            //   85f6                 | test                esi, esi
            //   7421                 | je                  0x23
            //   83cbff               | or                  ebx, 0xffffffff

        $sequence_8 = { e8???????? 8b8760050000 8db74c050000 83f810 720b 40 8bce }
            // n = 7, score = 300
            //   e8????????           |                     
            //   8b8760050000         | mov                 eax, dword ptr [edi + 0x560]
            //   8db74c050000         | lea                 esi, [edi + 0x54c]
            //   83f810               | cmp                 eax, 0x10
            //   720b                 | jb                  0xd
            //   40                   | inc                 eax
            //   8bce                 | mov                 ecx, esi

        $sequence_9 = { c60000 8d4520 6a00 50 e8???????? 6aff }
            // n = 6, score = 300
            //   c60000               | mov                 byte ptr [eax], 0
            //   8d4520               | lea                 eax, [ebp + 0x20]
            //   6a00                 | push                0
            //   50                   | push                eax
            //   e8????????           |                     
            //   6aff                 | push                -1

    condition:
        7 of them and filesize < 2252800
}
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