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Overview

overview

10

Static

static

10

9105e1f225...46.exe

windows7-x64

10

9105e1f225...46.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 10:00

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General

  • Target

    9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe

  • Size

    660KB

  • MD5

    9a18872af04f4363a3f4ee0defa11f7a

  • SHA1

    db898c1154c003f04b1a6016a60fbc1fe3a3b598

  • SHA256

    9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

  • SHA512

    2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

  • SSDEEP

    12288:QXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uj:2nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jz

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

nkbh777.no-ip.biz:1604

Mutex

DCMIN_MUTEX-EU7WNUQ

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    96uknNp9wUQe

  • 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\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
    "C:\Users\Admin\AppData\Local\Temp\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.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:4952
    • 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:1440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    660KB

    MD5

    9a18872af04f4363a3f4ee0defa11f7a

    SHA1

    db898c1154c003f04b1a6016a60fbc1fe3a3b598

    SHA256

    9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

    SHA512

    2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

    Download Submit

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

    660KB

    MD5

    9a18872af04f4363a3f4ee0defa11f7a

    SHA1

    db898c1154c003f04b1a6016a60fbc1fe3a3b598

    SHA256

    9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

    SHA512

    2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

    Download Submit