Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 19:11

General

  • Target

    131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe

  • Size

    929KB

  • MD5

    131af0e4c40f5e7dfca711a45816fa37

  • SHA1

    5c72ad82cd2da3807290c2d384546740097dd8c9

  • SHA256

    f4d30cb13736e18e207fe01046a535f4152c3c9d0581214fd9caf8dc7f19e0ea

  • SHA512

    dcb2d216965ec03d4cd691327f65a7f1ceede9253c0a16ab8c5d3aca66a6809c65637b264329ae76bae55927d5e6ced5a6f10297110cf5ac9e9af1e29d1bec19

  • SSDEEP

    24576:iY7WkuuKVuKBWXmKyT6duKvvbyyUHb8V0Zpu9Aooo0:57WvuKV9BWbymveHAsC

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Windows security bypass 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\winlogon.exe
      C:\Users\Admin\AppData\Local\Temp\winlogon.exe
      2⤵
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\winlogon.exe" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

    Filesize

    63B

    MD5

    3821868491a01953e5f2f922ae9ff8b0

    SHA1

    2daf28fa5ce2c3b55c25c8fc4a1d5a03f9b85bce

    SHA256

    d9c3e5032a4eaea21cebe6aeeca341459f8d256c7b39f4bcd34e27e12deaabb8

    SHA512

    25c93ce1fc01a369306c769b861def036085aef807e0d0952830098d197b37e0d93a7d98c0df49aeff05b8493050df07d56307d643ff8421d7b31aa000e807e9

  • \Users\Admin\AppData\Local\Temp\winlogon.exe

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • memory/2208-27-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-49-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-8-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-13-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-21-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-25-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2208-19-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-17-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-15-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-53-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-51-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-10-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-28-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-12-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-34-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-43-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-46-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-45-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2208-44-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2484-1-0x0000000074580000-0x0000000074B2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2484-33-0x0000000074580000-0x0000000074B2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2484-2-0x0000000074580000-0x0000000074B2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2484-0-0x0000000074581000-0x0000000074582000-memory.dmp

    Filesize

    4KB