Analysis

  • max time kernel
    448s
  • max time network
    454s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2024 14:44

General

  • Target

    stub.exe

  • Size

    658KB

  • MD5

    680392868a764e811d03ae60c604cb39

  • SHA1

    a2d4db80fa9869ab3ff5e8655e18fdda61d0ac26

  • SHA256

    2839b0c1800dd17a164fe8f179e9e4769829eee74d89a45552133cbdf28fb6cc

  • SHA512

    4baebbd8d47630689c8ea020cd7debb4fae18bfa50e9915ab0851976545bca2d99920b2732f1c18d77500a060f103e4bdc72266a8525437d27397a738ebdaac1

  • SSDEEP

    12288:i9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hv:OZ1xuVVjfFoynPaVBUR8f+kN10EBV

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

sp1oorat.ddns.net:1604

Mutex

DCMIN_MUTEX-R0P3PJW

Attributes
  • gencode

    LKklt4MiodXP

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Drops file in Drivers directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2540
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
      PID:1588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2540-0-0x0000000000340000-0x0000000000341000-memory.dmp

      Filesize

      4KB

    • memory/2540-1-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-3-0x0000000000340000-0x0000000000341000-memory.dmp

      Filesize

      4KB

    • memory/2540-4-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-5-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-7-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-12-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-13-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-15-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-17-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-18-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-20-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-21-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-22-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-24-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2540-26-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB