Overview

overview

10

Static

static

10

b237e465f6...33.exe

windows7-x64

10

b237e465f6...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b237e465f6be6ae68fb25474d514718ef29b59601651b19897370ce72ea0d733

  • Size

    659KB

  • Sample

    220725-e6x4faegh2

  • MD5

    ab9f0ba9e9a9f560b1a751753bbda072

  • SHA1

    ab74ddcb47d0f2380f8d6f7033946a0efb57ef05

  • SHA256

    b237e465f6be6ae68fb25474d514718ef29b59601651b19897370ce72ea0d733

  • SHA512

    86468ae3ea2011aa41ee195e4e3afb5775ddaf346987a9c799e61d5efbc9eea31aab442310417bbbbd1a31fe7cf93d49397ec8f85c732b920c110ad64556114c

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dark666.ddns.net:4404

Mutex

DC_MUTEX-JEQGQ39

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    sfuC1uourBRa

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svchost

Targets

    • Target

      b237e465f6be6ae68fb25474d514718ef29b59601651b19897370ce72ea0d733

    • Size

      659KB

    • MD5

      ab9f0ba9e9a9f560b1a751753bbda072

    • SHA1

      ab74ddcb47d0f2380f8d6f7033946a0efb57ef05

    • SHA256

      b237e465f6be6ae68fb25474d514718ef29b59601651b19897370ce72ea0d733

    • SHA512

      86468ae3ea2011aa41ee195e4e3afb5775ddaf346987a9c799e61d5efbc9eea31aab442310417bbbbd1a31fe7cf93d49397ec8f85c732b920c110ad64556114c

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • 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.

    • 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

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
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