Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 10:45

General

  • Target
    ddd258fc02fdc9e9321f8b2cd6716729.exe
  • Size 744KB
  • Sample240325-mtf86age2y
  • SHA256 c569b0935bb65304c7435c5935b8840a237422f00802307733dcfc91daa394f2
  • MD5 SHA1 SHA512 SSDEEP

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddd258fc02fdc9e9321f8b2cd6716729.exe
    "C:\Users\Admin\AppData\Local\Temp\ddd258fc02fdc9e9321f8b2cd6716729.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:4796
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        msdcsc.exe

        • Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        • Size 744KB
        • SHA256 c569b0935bb65304c7435c5935b8840a237422f00802307733dcfc91daa394f2
        • MD5 SHA1 SHA512 SSDEEP

        memory/4796-0-0x00000000022C0000-0x00000000022C1000-memory.dmp

        memory/4796-14-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-19-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-21-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-16-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-17-0x0000000000680000-0x0000000000681000-memory.dmp

        memory/4984-18-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-13-0x0000000000680000-0x0000000000681000-memory.dmp

        memory/4984-20-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-15-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-22-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-23-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-24-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-25-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-26-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-27-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-28-0x0000000000400000-0x00000000004C7000-memory.dmp

        memory/4984-29-0x0000000000400000-0x00000000004C7000-memory.dmp