Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2024, 03:21

General

  • Target
    a8168495604b644d5233c1fef2bb33c2.exe
  • Size 755KB
  • Sample240227-dws63afa84
  • SHA256 e16f3f5edd1a95f1c0eec61785682b0cb8279712eceae1799d2fa50cb812c25f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Guest16

C2
  • 127.0.0.1:1604

Mutex
  • DC_MUTEX-F54S21D

Attributes
  • gencode

    HaNmd8AneoiP

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • 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 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8168495604b644d5233c1fef2bb33c2.exe
    "C:\Users\Admin\AppData\Local\Temp\a8168495604b644d5233c1fef2bb33c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\a8168495604b644d5233c1fef2bb33c2.exe
      C:\Users\Admin\AppData\Local\Temp\a8168495604b644d5233c1fef2bb33c2.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4476
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2572

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4476-17-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-14-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-34-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-33-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-30-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-10-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-11-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-20-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-18-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-16-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-27-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-26-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-12-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-25-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-22-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4476-23-0x00000000023F0000-0x00000000023F1000-memory.dmp

          memory/4476-24-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/4952-21-0x0000000000400000-0x0000000000431000-memory.dmp

          memory/4952-0-0x0000000000400000-0x0000000000431000-memory.dmp

          memory/4952-1-0x0000000000400000-0x0000000000431000-memory.dmp

          memory/4952-5-0x0000000000400000-0x0000000000431000-memory.dmp

          memory/4952-4-0x0000000000400000-0x0000000000431000-memory.dmp

          memory/4952-2-0x0000000000400000-0x0000000000431000-memory.dmp