Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 12:42

General

  • Target

    Wolfteam/Hack.exe

  • Size

    847KB

  • MD5

    1d5349887bf319b3883a8e84797f2f0f

  • SHA1

    3dd4311bdaee5164f1d4e4b3183fea9262a0a721

  • SHA256

    a2aacc0b545223c09ebf8540450cd436d1fe4274b10660c4cb90b2dd35727a39

  • SHA512

    e9faf7ad9998c6d0c9831eca28ad4822140d0b55dcb28974101a2b8e8a1fb0ef3a9f9aacc1f797440316a10dd3b03c6a13b4276b113d55689ce66825bc470680

  • SSDEEP

    24576:JZ1xuVVjfFoynPaVBUR8f+kN10EB6LtxBezjJ348:zQDgok30PLtxcVd

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

olmayanoc.duckdns.org:1604

Mutex

DC_MUTEX-CWXJ2HG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uEE4dQifbptz

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wolfteam\Hack.exe
    "C:\Users\Admin\AppData\Local\Temp\Wolfteam\Hack.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:632
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          3⤵
            PID:4968

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

        Filesize

        847KB

        MD5

        1d5349887bf319b3883a8e84797f2f0f

        SHA1

        3dd4311bdaee5164f1d4e4b3183fea9262a0a721

        SHA256

        a2aacc0b545223c09ebf8540450cd436d1fe4274b10660c4cb90b2dd35727a39

        SHA512

        e9faf7ad9998c6d0c9831eca28ad4822140d0b55dcb28974101a2b8e8a1fb0ef3a9f9aacc1f797440316a10dd3b03c6a13b4276b113d55689ce66825bc470680

      • memory/3932-0-0x0000000002280000-0x0000000002281000-memory.dmp

        Filesize

        4KB

      • memory/3932-62-0x0000000000400000-0x00000000004E1000-memory.dmp

        Filesize

        900KB

      • memory/4196-61-0x0000000000700000-0x0000000000701000-memory.dmp

        Filesize

        4KB

      • memory/4196-63-0x0000000000400000-0x00000000004E1000-memory.dmp

        Filesize

        900KB

      • memory/4196-65-0x0000000000400000-0x00000000004E1000-memory.dmp

        Filesize

        900KB