General

  • Target

    8fb9b08a58b2859b6025484e1c7b7627

  • Size

    800KB

  • Sample

    240204-vwdj2sfab8

  • MD5

    8fb9b08a58b2859b6025484e1c7b7627

  • SHA1

    4f38290a4467c04bce088e3234fdf806e9cff604

  • SHA256

    9c971d43c71f12ddcc2d713d55a9608bb754c80658d32cf7500d5cdf6203f538

  • SHA512

    5b925ee9db0ead5bd996d938a95af62cfd242a4cde475377070cebb4134c9a565eea166c317fbd4f5a126ab2f148813da7840f3f017113d58d482c38c08ff93c

  • SSDEEP

    12288:XGxydOJyOfkEJeCjMknndmySzKD/w9SHIvTZffUqW+WYQ2hhy8a/02vq+lqtdNx:4ygOzknndmLIjHQUqW+hdfwfvTlQx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

anonymous

C2

john0071.no-ip.info:101

Mutex

GH76I3N6VK0ULT

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windows

  • install_file

    erty.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      8fb9b08a58b2859b6025484e1c7b7627

    • Size

      800KB

    • MD5

      8fb9b08a58b2859b6025484e1c7b7627

    • SHA1

      4f38290a4467c04bce088e3234fdf806e9cff604

    • SHA256

      9c971d43c71f12ddcc2d713d55a9608bb754c80658d32cf7500d5cdf6203f538

    • SHA512

      5b925ee9db0ead5bd996d938a95af62cfd242a4cde475377070cebb4134c9a565eea166c317fbd4f5a126ab2f148813da7840f3f017113d58d482c38c08ff93c

    • SSDEEP

      12288:XGxydOJyOfkEJeCjMknndmySzKD/w9SHIvTZffUqW+WYQ2hhy8a/02vq+lqtdNx:4ygOzknndmLIjHQUqW+hdfwfvTlQx

    • CyberGate, Rebhip

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

    • Adds policy Run key to start application

    • Modifies Installed Components in the registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • UPX packed file

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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks