Overview

overview

10

Static

static

c9f7b7f61b...84.exe

windows7-x64

10

c9f7b7f61b...84.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c9f7b7f61b30c14d57b7fb3816e04c823025e0eaff8677119c545fe0d774eb84

  • Size

    688KB

  • Sample

    221203-fnhfpsbb3y

  • MD5

    b309311a634552671dae78f60235daac

  • SHA1

    9eda29d8a7b72791c90e1b1be212c27ad5bc6508

  • SHA256

    c9f7b7f61b30c14d57b7fb3816e04c823025e0eaff8677119c545fe0d774eb84

  • SHA512

    6b987b534b171f8eb589668fab93e612f2dfd1c2ac8941272936b9245daeaf38084fa4aab497e05808df6316471c518172fc594e84fa1831bec588715d9db9b1

  • SSDEEP

    12288:96dfozt5VxU9YjvLEuhz32GAnq5kVmmUgORv2r5nVjkmGenwgeiVkurTjcqOg:6foJDdjvLgns6mmUgORerxiTenweSur9

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-ELPZPHY

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    y0VKNuhAihWx

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      c9f7b7f61b30c14d57b7fb3816e04c823025e0eaff8677119c545fe0d774eb84

    • Size

      688KB

    • MD5

      b309311a634552671dae78f60235daac

    • SHA1

      9eda29d8a7b72791c90e1b1be212c27ad5bc6508

    • SHA256

      c9f7b7f61b30c14d57b7fb3816e04c823025e0eaff8677119c545fe0d774eb84

    • SHA512

      6b987b534b171f8eb589668fab93e612f2dfd1c2ac8941272936b9245daeaf38084fa4aab497e05808df6316471c518172fc594e84fa1831bec588715d9db9b1

    • SSDEEP

      12288:96dfozt5VxU9YjvLEuhz32GAnq5kVmmUgORv2r5nVjkmGenwgeiVkurTjcqOg:6foJDdjvLgns6mmUgORerxiTenweSur9

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Scripting

1
T1064

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks