Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 22:33

General

  • Target

    650fd80f02974f7c046b055e09900e8a_JaffaCakes118.exe

  • Size

    646KB

  • MD5

    650fd80f02974f7c046b055e09900e8a

  • SHA1

    22e282ca1ce25dfa1aa52abd4148acb7aa6e5182

  • SHA256

    a8b1e96d76313463404f4f11820f7c8a2110ec44133a2a59e04a1e62ad6e1976

  • SHA512

    9cde349b9a1fe44f9f98b569d855a5486e68a155347f043ce8876793d720e709fc8fd73213f7bbbe1fb00a16e67e1c4a2c8cf1c7ca5b050fa481fadda8156fd1

  • SSDEEP

    12288:r8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixk:IUKoN0bUxgGa/pfBHDb+y1HgZ+

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\650fd80f02974f7c046b055e09900e8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\650fd80f02974f7c046b055e09900e8a_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3532
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    646KB

    MD5

    650fd80f02974f7c046b055e09900e8a

    SHA1

    22e282ca1ce25dfa1aa52abd4148acb7aa6e5182

    SHA256

    a8b1e96d76313463404f4f11820f7c8a2110ec44133a2a59e04a1e62ad6e1976

    SHA512

    9cde349b9a1fe44f9f98b569d855a5486e68a155347f043ce8876793d720e709fc8fd73213f7bbbe1fb00a16e67e1c4a2c8cf1c7ca5b050fa481fadda8156fd1

  • memory/1056-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/1056-13-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3532-14-0x00000000022C0000-0x00000000022C1000-memory.dmp

    Filesize

    4KB

  • memory/3532-16-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3724-15-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB