Overview

overview

10

Static

static

3

25551cee9f...18.exe

windows7-x64

10

25551cee9f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    25551cee9ff2bdf1dac8e1055dd032a9_JaffaCakes118

  • Size

    473KB

  • Sample

    241008-zqy11szbmg

  • MD5

    25551cee9ff2bdf1dac8e1055dd032a9

  • SHA1

    9d70aed23a2433ffe75da99901773e9b8e4c21d8

  • SHA256

    8728e662f0d64c3f93ce0e58d5828ebae0dbd909de1a4f28894f2fee30b72f21

  • SHA512

    137771d652bb8a4b402253f76c8a3721e919904bb79b771af58bd2af9dd7321236e6987a92d7309a3f616c4d5762f179c02be612b32452a6367cb8df4845570c

  • SSDEEP

    12288:YxJUrEfN7kCrIDiTtmW3V6Cjuhiat2h1vDSNqCNQ7/:iJgE17Satm8AKUiLhdDSpe7/

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

192.168.1.38:1604
Mutex

DC_MUTEX-RJ267FP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    BU2uq8phh1yH

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    skype.exe

Targets

    • Target

      25551cee9ff2bdf1dac8e1055dd032a9_JaffaCakes118

    • Size

      473KB

    • MD5

      25551cee9ff2bdf1dac8e1055dd032a9

    • SHA1

      9d70aed23a2433ffe75da99901773e9b8e4c21d8

    • SHA256

      8728e662f0d64c3f93ce0e58d5828ebae0dbd909de1a4f28894f2fee30b72f21

    • SHA512

      137771d652bb8a4b402253f76c8a3721e919904bb79b771af58bd2af9dd7321236e6987a92d7309a3f616c4d5762f179c02be612b32452a6367cb8df4845570c

    • SSDEEP

      12288:YxJUrEfN7kCrIDiTtmW3V6Cjuhiat2h1vDSNqCNQ7/:iJgE17Satm8AKUiLhdDSpe7/

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks