Overview

overview

10

Static

static

10

441d9335bb...95.exe

windows7-x64

10

441d9335bb...95.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    441d9335bb9c446a958797b2af703d7dc25d391f6aac0ba43c0d2fe16d29a695

  • Size

    658KB

  • Sample

    221201-l16lysgc39

  • MD5

    43f6576c2c84104ba5ee773184fb08b0

  • SHA1

    0cea3fcaf5c09a55c142cfda34150c9179acd017

  • SHA256

    441d9335bb9c446a958797b2af703d7dc25d391f6aac0ba43c0d2fe16d29a695

  • SHA512

    3c8a66c60c674cd7529f95d834f1e178ef544dcd6a3dc6e53d32eb1d17d5421b6e9f124f78cf467bc224ae5c1c264834804218d3577dd570eaef2a8817af4606

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hS:KZ1xuVVjfFoynPaVBUR8f+kN10EBI

Score
10/10
darkcomethfevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

sickacable.no-ip.biz:1604

Mutex

DC_MUTEX-1W5PBZX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    exjNdJsJ3sNv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System32dll

Targets

    • Target

      441d9335bb9c446a958797b2af703d7dc25d391f6aac0ba43c0d2fe16d29a695

    • Size

      658KB

    • MD5

      43f6576c2c84104ba5ee773184fb08b0

    • SHA1

      0cea3fcaf5c09a55c142cfda34150c9179acd017

    • SHA256

      441d9335bb9c446a958797b2af703d7dc25d391f6aac0ba43c0d2fe16d29a695

    • SHA512

      3c8a66c60c674cd7529f95d834f1e178ef544dcd6a3dc6e53d32eb1d17d5421b6e9f124f78cf467bc224ae5c1c264834804218d3577dd570eaef2a8817af4606

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hS:KZ1xuVVjfFoynPaVBUR8f+kN10EBI

    Score
    10/10
    darkcomethfevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks