Analysis

  • max time kernel
    149s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 19:42

General

  • Target

    d052f8fe8234f44024c6cd5939e99a9d_JaffaCakes118.exe

  • Size

    232KB

  • MD5

    d052f8fe8234f44024c6cd5939e99a9d

  • SHA1

    460461da6f9525db791eaec5969e3b08157f5a61

  • SHA256

    f9c7c83bb1393cd387d9981ba452d4cd0c7d7e1ce9e3c847ccc74599d48e3b9a

  • SHA512

    753d439dab275e70edbea8341067870f6d69c598bbeb6184129afab484cf7384f2c8b7bdcc338761a9e732a85d598794bc6313f6b1d919371e56f9387f15e09f

  • SSDEEP

    6144:N3PFKs7diixRSFBfWEqxF6snji81RUinK51jbkxku1SO:ZPhJuBXVbkxJ17

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d052f8fe8234f44024c6cd5939e99a9d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d052f8fe8234f44024c6cd5939e99a9d_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\cowoy.exe
      "C:\Users\Admin\cowoy.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\cowoy.exe

    Filesize

    232KB

    MD5

    120d743000d386eb9ef0ee9814569581

    SHA1

    0498e31e7deac0499c4872829a5de17f698768ab

    SHA256

    a53a9fbc1c609994900101b138680f6c280d772225c65c5bd2c8415bf0bcfdb8

    SHA512

    6ffb27bca492125f65037ebd52dd6f81f2d1e0e9b0ddb3f7405ba3eec9450af455f6cb86f9a5ee02eb05e6437368e15d7db10bc2634cc6ee7d1cd187090f6fe4

  • memory/548-0-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/548-37-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/1604-34-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/1604-38-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB