Overview

overview

10

Static

static

10

1c12a0944f...d9.exe

windows7-x64

10

1c12a0944f...d9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 16:02

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General

  • Target

    1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9.exe

  • Size

    660KB

  • MD5

    0e1968b23c861d593e46fdb470304352

  • SHA1

    1a88de91fb267c47a4276d669a2560e427dcb52f

  • SHA256

    1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9

  • SHA512

    dc70e467c80f150be00dabf3c1202e4fc1dba6d21ff7e4d400ddadcfb47d3ffc99f342163b00e7d937ced6f23c329fdb0d9504293c3125bc06febcaa2045afd7

  • SSDEEP

    12288:QXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U+:2nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Ju

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

192.168.178.35:1604

Mutex

DCMIN_MUTEX-G4MQZX2

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    ne0Phxx05u4F

  • 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\1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9.exe
    "C:\Users\Admin\AppData\Local\Temp\1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9.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:3840
    • 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:4588

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          660KB

          MD5

          0e1968b23c861d593e46fdb470304352

          SHA1

          1a88de91fb267c47a4276d669a2560e427dcb52f

          SHA256

          1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9

          SHA512

          dc70e467c80f150be00dabf3c1202e4fc1dba6d21ff7e4d400ddadcfb47d3ffc99f342163b00e7d937ced6f23c329fdb0d9504293c3125bc06febcaa2045afd7

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

          660KB

          MD5

          0e1968b23c861d593e46fdb470304352

          SHA1

          1a88de91fb267c47a4276d669a2560e427dcb52f

          SHA256

          1c12a0944f8c5ff390414f3819231dc1c5da9a42b37e1101629cbd8a8aed4cd9

          SHA512

          dc70e467c80f150be00dabf3c1202e4fc1dba6d21ff7e4d400ddadcfb47d3ffc99f342163b00e7d937ced6f23c329fdb0d9504293c3125bc06febcaa2045afd7

          Download Submit