Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2024, 01:34

General

  • Target

    68aea9b1f4605cd58556c62ec72f1f36.exe

  • Size

    648KB

  • MD5

    68aea9b1f4605cd58556c62ec72f1f36

  • SHA1

    1d5335563e6fb99d8656016f78dbad42503cf838

  • SHA256

    2c518676f1c6d40841ba7669bddc5ce8e25f6d7cb8ec1598563e46a73b580923

  • SHA512

    38e39e331481f06eb9ecaa55fdcab0dbbd1c99818ee658fd92e277273a45476ac071b46f4bbab4ae94e00baeff711f9ad69370128433f7824fc5552b1362f995

  • SSDEEP

    12288:g6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPfhK:lAmBpVKHu0Mu9Xo20VGLVP5K

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68aea9b1f4605cd58556c62ec72f1f36.exe
    "C:\Users\Admin\AppData\Local\Temp\68aea9b1f4605cd58556c62ec72f1f36.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\68aea9b1f4605cd58556c62ec72f1f36.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • Runs ping.exe
        PID:2892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windupdt\winupdate.exe

          Filesize

          648KB

          MD5

          68aea9b1f4605cd58556c62ec72f1f36

          SHA1

          1d5335563e6fb99d8656016f78dbad42503cf838

          SHA256

          2c518676f1c6d40841ba7669bddc5ce8e25f6d7cb8ec1598563e46a73b580923

          SHA512

          38e39e331481f06eb9ecaa55fdcab0dbbd1c99818ee658fd92e277273a45476ac071b46f4bbab4ae94e00baeff711f9ad69370128433f7824fc5552b1362f995

        • memory/2512-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2512-13-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/2924-14-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

        • memory/2924-15-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB