Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 00:26

General

  • Target
    620af7b60cd12d45630c8d254c158139_JaffaCakes118.exe
  • Size 704KB
  • Sample240722-arg2fsvdrn
  • SHA256 ead0fc8e813f6db3cf84cee547be2f6f1c9f03b606421c736f11c062937c3dc9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • avec_dns

C2
  • dark-sam.no-ip.org:1604

Mutex
  • DC_MUTEX-E99E03J

Attributes
  • gencode

    q4T9jpjHRf00

  • install

    false

  • offline_keylogger

    true

  • password

    180818sa

  • persistence

    false

Signatures

  • Darkcomet

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

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\620af7b60cd12d45630c8d254c158139_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\620af7b60cd12d45630c8d254c158139_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3648
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • Views/modifies file attributes
          PID:3252
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • Views/modifies file attributes
          PID:60

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3648-8-0x0000000074940000-0x0000000074EF1000-memory.dmp

        memory/3648-1-0x0000000074940000-0x0000000074EF1000-memory.dmp

        memory/3648-2-0x0000000074940000-0x0000000074EF1000-memory.dmp

        memory/3648-0-0x0000000074942000-0x0000000074943000-memory.dmp

        memory/4808-13-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-14-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-7-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-5-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-9-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-10-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-11-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-12-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-3-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-6-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-15-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-16-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-17-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-18-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-19-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-20-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-21-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-22-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-23-0x0000000000400000-0x00000000004B5000-memory.dmp

        memory/4808-24-0x0000000000400000-0x00000000004B5000-memory.dmp