General

  • Target

    JaffaCakes118_b4943099fe4e83616bbdd720193c38c9

  • Size

    600KB

  • Sample

    250413-n4fwtavns8

  • MD5

    b4943099fe4e83616bbdd720193c38c9

  • SHA1

    10bc9ec59435e1ca2293b6a2cea36d7a73b833f9

  • SHA256

    a7bab2f5ab3b534e3126cf8bdc66d10a1179764f9658377f2575daa4423cbd2d

  • SHA512

    9801dd6e09b8f4b523266fa333553d8314476877a70d10469a06d4afada3f8a34443790780b0e444504f303698eb403e34e3c76bbee4ac43213b6764956ac4db

  • SSDEEP

    6144:VooioLwSD3EEZeJu39lvMC5PQv1xL/YnWYovoRxZmACoyRvJlN2MvJ7Iw84EYQ9R:VDioLnyuNtsaWYlN6R52MFfMYQ9

Malware Config

Extracted

Family

cybergate

Version

v1.04.8

Botnet

winshark

C2

winshark.zapto.org:100

winshark.dyndns-home.com:100

winshark.dyndns-mail.com:100

Mutex

257X8071OP128U

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    .//

  • ftp_interval

    30

  • ftp_password

    taoumek

  • ftp_port

    21

  • ftp_server

    ftp.membres.multimania.fr

  • ftp_username

    taoumek

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    true

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      JaffaCakes118_b4943099fe4e83616bbdd720193c38c9

    • Size

      600KB

    • MD5

      b4943099fe4e83616bbdd720193c38c9

    • SHA1

      10bc9ec59435e1ca2293b6a2cea36d7a73b833f9

    • SHA256

      a7bab2f5ab3b534e3126cf8bdc66d10a1179764f9658377f2575daa4423cbd2d

    • SHA512

      9801dd6e09b8f4b523266fa333553d8314476877a70d10469a06d4afada3f8a34443790780b0e444504f303698eb403e34e3c76bbee4ac43213b6764956ac4db

    • SSDEEP

      6144:VooioLwSD3EEZeJu39lvMC5PQv1xL/YnWYovoRxZmACoyRvJlN2MvJ7Iw84EYQ9R:VDioLnyuNtsaWYlN6R52MFfMYQ9

    • CyberGate, Rebhip

      CyberGate is a lightweight remote administration tool with a wide array of functionalities.

    • Cybergate family

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks