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Overview

overview

10

Static

static

10

1d2dde8f6d...ab.exe

windows7_x64

10

1d2dde8f6d...ab.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07/06/2022, 04:28

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General

  • Target

    1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab.exe

  • Size

    658KB

  • MD5

    5cfcfb070400a2ff5a7ad7f10e726257

  • SHA1

    2a538131bfbb5caa61aaaef9ecd8a805b0c6b4cf

  • SHA256

    1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab

  • SHA512

    5a4ccbff9833ae5a8c1a45ca4e66e00b8d45b9c89ce09cc0acb131e6ada7268d3de182ce746bf3f94b42e5a4ff36e76387b60c253d7a3f2a51b06c8a65a260ab

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

64.85.233.8:3333

Mutex

DCMIN_MUTEX-BKJH8V4

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    LJfJABUsUvfk

  • 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\1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab.exe
    "C:\Users\Admin\AppData\Local\Temp\1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab.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:3140
    • 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:4992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    658KB

    MD5

    5cfcfb070400a2ff5a7ad7f10e726257

    SHA1

    2a538131bfbb5caa61aaaef9ecd8a805b0c6b4cf

    SHA256

    1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab

    SHA512

    5a4ccbff9833ae5a8c1a45ca4e66e00b8d45b9c89ce09cc0acb131e6ada7268d3de182ce746bf3f94b42e5a4ff36e76387b60c253d7a3f2a51b06c8a65a260ab

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

    658KB

    MD5

    5cfcfb070400a2ff5a7ad7f10e726257

    SHA1

    2a538131bfbb5caa61aaaef9ecd8a805b0c6b4cf

    SHA256

    1d2dde8f6d961be976aede62dd895c0ac4aba336c44a0c1b385240f86a3a10ab

    SHA512

    5a4ccbff9833ae5a8c1a45ca4e66e00b8d45b9c89ce09cc0acb131e6ada7268d3de182ce746bf3f94b42e5a4ff36e76387b60c253d7a3f2a51b06c8a65a260ab

    Download Submit