Overview

overview

10

Static

static

10

8343005553...6f.exe

windows7-x64

10

8343005553...6f.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    834300555398c6d73c9beda0d6235d9bdc7a973a2162074e87f3c77884efef6f

  • Size

    784KB

  • Sample

    221021-ykevhscgg9

  • MD5

    1e769d83c8b2f427d92fb7c22795b600

  • SHA1

    69c5993f9bac73d99ad5d0034847d05bd7fe03db

  • SHA256

    834300555398c6d73c9beda0d6235d9bdc7a973a2162074e87f3c77884efef6f

  • SHA512

    4207f0b7947e52bd300664f407f301ba7d54c66333c5452cda471e130f72279ac5abdd352856641566b9c7895c7c507b52024a644ccfc57cc049878ab24690f9

  • SSDEEP

    12288:q9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h3FDBEZOzl:mZ1xuVVjfFoynPaVBUR8f+kN10EB1zl

Score
10/10
darkcomet1111evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

1111

C2

volam2.no-ip.org:1111

Mutex

DC_MUTEX-GURH78B

Attributes
  • InstallPath

    explorer.exe

  • gencode

    trPYVnD2QJGW

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      834300555398c6d73c9beda0d6235d9bdc7a973a2162074e87f3c77884efef6f

    • Size

      784KB

    • MD5

      1e769d83c8b2f427d92fb7c22795b600

    • SHA1

      69c5993f9bac73d99ad5d0034847d05bd7fe03db

    • SHA256

      834300555398c6d73c9beda0d6235d9bdc7a973a2162074e87f3c77884efef6f

    • SHA512

      4207f0b7947e52bd300664f407f301ba7d54c66333c5452cda471e130f72279ac5abdd352856641566b9c7895c7c507b52024a644ccfc57cc049878ab24690f9

    • SSDEEP

      12288:q9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h3FDBEZOzl:mZ1xuVVjfFoynPaVBUR8f+kN10EB1zl

    Score
    10/10
    darkcomet1111evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • 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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

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