Overview

overview

10

Static

static

10

ca582eb808...fa.exe

windows7-x64

10

ca582eb808...fa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ca582eb808454d1cde38c8b2f774edb3c73241b37e95ad369afaea95ca83e7fa

  • Size

    690KB

  • Sample

    221020-lwsjjageb9

  • MD5

    80267c15810275b30d9c5d1f2bd57fa4

  • SHA1

    124b3dd84f4eb5b0ddfe679c832d83b6b75d73ff

  • SHA256

    ca582eb808454d1cde38c8b2f774edb3c73241b37e95ad369afaea95ca83e7fa

  • SHA512

    65ebc3e2b945b173b3fbe4e7c69ca291e8d574cce0c80a3fa8caef997a80ef98cc919335823bc90a053bf42a70f2ba9cee83a9d77f4948d9262d90019729b2c3

  • SSDEEP

    12288:59HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzW:DZ1xuVVjfFoynPaVBUR8f+kN10EBk

Score
10/10
darkcometvictimeevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

victime

C2

mysteranonymous.zapto.org:1604

Mutex

DC_MUTEX-TU1DCJY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uzgErSzmfQYY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ca582eb808454d1cde38c8b2f774edb3c73241b37e95ad369afaea95ca83e7fa

    • Size

      690KB

    • MD5

      80267c15810275b30d9c5d1f2bd57fa4

    • SHA1

      124b3dd84f4eb5b0ddfe679c832d83b6b75d73ff

    • SHA256

      ca582eb808454d1cde38c8b2f774edb3c73241b37e95ad369afaea95ca83e7fa

    • SHA512

      65ebc3e2b945b173b3fbe4e7c69ca291e8d574cce0c80a3fa8caef997a80ef98cc919335823bc90a053bf42a70f2ba9cee83a9d77f4948d9262d90019729b2c3

    • SSDEEP

      12288:59HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzW:DZ1xuVVjfFoynPaVBUR8f+kN10EBk

    Score
    10/10
    darkcometvictimeevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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.

    • 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

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
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