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Overview

overview

10

Static

static

10

ea0b5518b9...63.exe

windows7-x64

10

ea0b5518b9...63.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    167s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 19:26

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General

  • Target

    ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe

  • Size

    658KB

  • MD5

    13be32acc3d6ae3c866094a3bcd853d3

  • SHA1

    83edcb30bb68b3812d26bdcab7759923088cc764

  • SHA256

    ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

  • SHA512

    123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/h3:eZ1xuVVjfFoynPaVBUR8f+kN1PEBt

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

anbr.no-ip.biz:1604

Mutex

DCMIN_MUTEX-GFJEFSF

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    RutLKXvxgcms

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

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\ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
    "C:\Users\Admin\AppData\Local\Temp\ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.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:1684
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    Filesize

    658KB

    MD5

    13be32acc3d6ae3c866094a3bcd853d3

    SHA1

    83edcb30bb68b3812d26bdcab7759923088cc764

    SHA256

    ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

    SHA512

    123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

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  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    Filesize

    658KB

    MD5

    13be32acc3d6ae3c866094a3bcd853d3

    SHA1

    83edcb30bb68b3812d26bdcab7759923088cc764

    SHA256

    ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

    SHA512

    123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

    Download Submit