Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 04:30

General

  • Target
    0c89a3620f193ce01267874afc7e7e27_JaffaCakes118.exe
  • Size 1.9MB
  • Sample240625-e4w4cszhma
  • SHA256 1061a3d9a225fbdd01bfc25300be54ca62adbe32f828c38f0c1d90cb2a22b4e0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Darkcomet

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c89a3620f193ce01267874afc7e7e27_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0c89a3620f193ce01267874afc7e7e27_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
        PID:3100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 12
          3⤵
          • Program crash
          PID:2440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3100 -ip 3100
      1⤵
        PID:692
      • 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=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3996

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/536-0-0x00000000749C2000-0x00000000749C3000-memory.dmp

              memory/536-1-0x00000000749C0000-0x0000000074F71000-memory.dmp

              memory/536-2-0x00000000749C0000-0x0000000074F71000-memory.dmp

              memory/536-6-0x00000000749C0000-0x0000000074F71000-memory.dmp

              memory/3100-4-0x0000000013140000-0x00000000131F6000-memory.dmp