Overview

overview

10

Static

static

10

JaffaCakes...51.exe

windows7-x64

10

JaffaCakes...51.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_4e84418f73d699329bca84d43ca2bc51

  • Size

    318KB

  • Sample

    250101-klzz7aspcp

  • MD5

    4e84418f73d699329bca84d43ca2bc51

  • SHA1

    59ed2e9ac35fb3526732cc5873e1a2b37df1dd52

  • SHA256

    87e2472ea39ecbc181be014414641c7eff9d50af85842b3dee2296a1994a1a4d

  • SHA512

    2d288365a5ceedd86c4e4017573d309a773dd41576aba9b2b988623cdb41d875b9057f4fe9c4ee7b2126dc2df6e324b807527fac7e0eff81fe95e06ef37cb072

  • SSDEEP

    6144:/cNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0P3oUrpXcrPH:/cWkbgTYWnYnt/IDYhP3

Score
10/10
darkcometprosdiscoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

pros

C2

axelcass.noip.me:1604

Mutex

DC_MUTEX-AVPP4NE

Attributes
  • InstallPath

    winlogon.exe

  • gencode

    jREpfFDXm8wo

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    winlogon

Targets

    • Target

      JaffaCakes118_4e84418f73d699329bca84d43ca2bc51

    • Size

      318KB

    • MD5

      4e84418f73d699329bca84d43ca2bc51

    • SHA1

      59ed2e9ac35fb3526732cc5873e1a2b37df1dd52

    • SHA256

      87e2472ea39ecbc181be014414641c7eff9d50af85842b3dee2296a1994a1a4d

    • SHA512

      2d288365a5ceedd86c4e4017573d309a773dd41576aba9b2b988623cdb41d875b9057f4fe9c4ee7b2126dc2df6e324b807527fac7e0eff81fe95e06ef37cb072

    • SSDEEP

      6144:/cNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0P3oUrpXcrPH:/cWkbgTYWnYnt/IDYhP3

    Score
    10/10
    darkcometprosdiscoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    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