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Overview

overview

10

Static

static

10

9b6508c6fa...f2.exe

windows7-x64

10

9b6508c6fa...f2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    171s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 18:26

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General

  • Target

    9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2.exe

  • Size

    658KB

  • MD5

    47d14a00e96b909092742039cd736413

  • SHA1

    0cb7e7db02f0444a991b0f5208341a1a4999cf37

  • SHA256

    9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2

  • SHA512

    fa8f33e2e0a34454223392709452906f9829830cebc1f18cafb49641c757f4367622e5525ef4bd86d5785751029627cb67895bf5fe3da867bd79a1666ae49c8b

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hu:eZ1xuVVjfFoynPaVBUR8f+kN10EBk

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

barry101.ddns.net:1604

Mutex

DC_MUTEX-W1A5DPE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    dXnKbhdJfySs

  • install

    true

  • offline_keylogger

    true

  • password

    abido

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2.exe
    "C:\Users\Admin\AppData\Local\Temp\9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    658KB

    MD5

    47d14a00e96b909092742039cd736413

    SHA1

    0cb7e7db02f0444a991b0f5208341a1a4999cf37

    SHA256

    9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2

    SHA512

    fa8f33e2e0a34454223392709452906f9829830cebc1f18cafb49641c757f4367622e5525ef4bd86d5785751029627cb67895bf5fe3da867bd79a1666ae49c8b

    Download Submit

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

    658KB

    MD5

    47d14a00e96b909092742039cd736413

    SHA1

    0cb7e7db02f0444a991b0f5208341a1a4999cf37

    SHA256

    9b6508c6fa4a187143b4353979264952d3a34f45c606a0c0762fd81606ea2ef2

    SHA512

    fa8f33e2e0a34454223392709452906f9829830cebc1f18cafb49641c757f4367622e5525ef4bd86d5785751029627cb67895bf5fe3da867bd79a1666ae49c8b

    Download Submit