Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2024, 10:15

General

  • Target
    9da39e88fa0e1e5afc1306cc0a5790b2.exe
  • Size 985KB
  • Sample240215-l97wdaef85
  • SHA256 4c66dc4794938240922aecf53453ca80dc62f2631250a3f4c1b2d19ca6417f7c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9da39e88fa0e1e5afc1306cc0a5790b2.exe
    "C:\Users\Admin\AppData\Local\Temp\9da39e88fa0e1e5afc1306cc0a5790b2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      C:\Users\Admin\AppData\Roaming\svchost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1800
    • C:\Users\Admin\AppData\Local\Temp\9da39e88fa0e1e5afc1306cc0a5790b2.exe
      "C:\Users\Admin\AppData\Local\Temp\9da39e88fa0e1e5afc1306cc0a5790b2.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        C:\Users\Admin\AppData\Roaming\svchost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 1KB
        • SHA256 c0657322afdac0df459f3bc233ecf362838774a116ff8d82846914925d246e83
        • MD5 SHA1 SHA512

        memory/1800-35-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-29-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-6-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-45-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-9-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-10-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-12-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-13-0x00000000025C0000-0x00000000025C1000-memory.dmp

        memory/1800-14-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-15-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-44-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-43-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-42-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-41-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-40-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-39-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-38-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-28-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-16-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-37-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-32-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1800-36-0x0000000000400000-0x00000000004C3000-memory.dmp

        memory/1968-34-0x0000000000F30000-0x0000000000F40000-memory.dmp

        memory/1968-33-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/1968-19-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/1968-18-0x0000000000F30000-0x0000000000F40000-memory.dmp

        memory/1968-17-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/3548-0-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/3548-31-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/3548-2-0x0000000001490000-0x00000000014A0000-memory.dmp

        memory/3548-30-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/3548-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        memory/4764-25-0x00000000025C0000-0x00000000025C1000-memory.dmp

        memory/4764-24-0x0000000000400000-0x00000000004C3000-memory.dmp