Overview

overview

10

Static

static

10

ab14777228...3e.exe

windows7-x64

10

ab14777228...3e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab1477722843a045b21dd70fa847f760e82e2cc9750a6947dbda59fd9c7cdc3e

  • Size

    658KB

  • Sample

    221029-3rrvwacbb4

  • MD5

    840b5eeea3176f01d5852f76e769c5f6

  • SHA1

    5c0a4613ecc7a354cf53cde8643861b58bf737a4

  • SHA256

    ab1477722843a045b21dd70fa847f760e82e2cc9750a6947dbda59fd9c7cdc3e

  • SHA512

    6aeda1c472ff8bd3b12cf7e3b48620914353607aa0883b984a4b4044910f2034738be68cc2d677f3ea3a2776ae3ad48e843c3942400cc33af8c899f93885ad92

  • SSDEEP

    12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hP:+Z1xuVVjfFoynPaVBUR8f+kN10EBh

Score
10/10
darkcomet1persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

c0k3.no-ip.org:1604

Mutex

DC_MUTEX-8H85MRV

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ZXqyaXHT9LjV

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ab1477722843a045b21dd70fa847f760e82e2cc9750a6947dbda59fd9c7cdc3e

    • Size

      658KB

    • MD5

      840b5eeea3176f01d5852f76e769c5f6

    • SHA1

      5c0a4613ecc7a354cf53cde8643861b58bf737a4

    • SHA256

      ab1477722843a045b21dd70fa847f760e82e2cc9750a6947dbda59fd9c7cdc3e

    • SHA512

      6aeda1c472ff8bd3b12cf7e3b48620914353607aa0883b984a4b4044910f2034738be68cc2d677f3ea3a2776ae3ad48e843c3942400cc33af8c899f93885ad92

    • SSDEEP

      12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hP:+Z1xuVVjfFoynPaVBUR8f+kN10EBh

    Score
    10/10
    darkcomet1persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks