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Analysis

  • max time kernel
    134s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 12:04

General

  • Target

    7829da320b833431fb1d5d0b1a69e2be_JaffaCakes118.exe

  • Size

    940KB

  • MD5

    7829da320b833431fb1d5d0b1a69e2be

  • SHA1

    bfefce3b02e7ec906d5d79823f04dcaf2002be1b

  • SHA256

    945b04833b9345fe856c5246dab7c01863e5a06016ec6b9836f6c269202149b5

  • SHA512

    900cd7f01c6d4d251ed1ea77e4498d84c07f9a48b540f9e041b16642ed985a033caa1667783f01adbb0a17a72cb46433e62bfd678fd4c296b64cdffed409a4a3

  • SSDEEP

    12288:oMYIWfFq6mgOmJbJPTLUfkF1w8fbN3+J86FMSaJ/q3NSo76ZBvu6Yoa/TBiFrO+E:oX3CkF1w8T1+J86F/uq3Mo6ZYoatE5v

Malware Config

Signatures

  • Darkcomet

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

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7829da320b833431fb1d5d0b1a69e2be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7829da320b833431fb1d5d0b1a69e2be_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Users\Admin\AppData\Local\Temp\GTA Cleo 4 New!.exe
      "C:\Users\Admin\AppData\Local\Temp\GTA Cleo 4 New!.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Checks BIOS information in registry
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GTA Cleo 4 New!.exe

    Filesize

    689KB

    MD5

    fedb4b54855164c5204827a23bb8697e

    SHA1

    6058b869d37fbca3a9635d061c41020f7f609a9b

    SHA256

    b3083049b3480beadd16175220eeec7eb79e9b4063d311767f547db9e74dd8cf

    SHA512

    25e7d1128845bba284f9779bb90a7de564caa6bf997df14b607d56d49f4e0bc68d1c408319d86ce257bbdd0e602e5fbcd9090f3dd6462ad0b2c845e7e0e30780

  • memory/1112-17-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-22-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-23-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-20-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-21-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-16-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-15-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1112-18-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1512-19-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1512-14-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/3244-13-0x00007FFEF1DF0000-0x00007FFEF2791000-memory.dmp

    Filesize

    9.6MB

  • memory/3244-0-0x00007FFEF20A5000-0x00007FFEF20A6000-memory.dmp

    Filesize

    4KB

  • memory/3244-2-0x00007FFEF1DF0000-0x00007FFEF2791000-memory.dmp

    Filesize

    9.6MB

  • memory/3244-1-0x000000001C070000-0x000000001C116000-memory.dmp

    Filesize

    664KB

  • memory/3244-4-0x00007FFEF1DF0000-0x00007FFEF2791000-memory.dmp

    Filesize

    9.6MB