General

  • Target

    a84990bbe9cedf281425c710be30f2b1_JaffaCakes118

  • Size

    298KB

  • Sample

    241127-rwrj5atmer

  • MD5

    a84990bbe9cedf281425c710be30f2b1

  • SHA1

    395428f601784cffcaebfbac5768bfc14c5797b6

  • SHA256

    2139b4da5685cabe5e9f8737426b6aa2a20457a5d6300b6d230f8b6a99ddb1c4

  • SHA512

    f7b0a7f610871f0c4646a80b5c21c20960b7f7f1a7ef23887426a8c2ca83810c4d3b9f355595510ca276343668cf2ece49acb15f28d8e6c6a732f96ab7b3da19

  • SSDEEP

    6144:HCKalplSyZl3S9qFbQROc3u7kbxME8Qkh+te8bwU0G/pqk3rCixz:HylplHhSgRgOrAbxQQkh+waWGh1

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

cyber

C2

ratryan.zapto.org:9086

Mutex

RE8GU3115SN312

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Winlog

  • install_file

    Winlogon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Program has encountered Serious error and needs to be closed

  • message_box_title

    Error 1037

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      a84990bbe9cedf281425c710be30f2b1_JaffaCakes118

    • Size

      298KB

    • MD5

      a84990bbe9cedf281425c710be30f2b1

    • SHA1

      395428f601784cffcaebfbac5768bfc14c5797b6

    • SHA256

      2139b4da5685cabe5e9f8737426b6aa2a20457a5d6300b6d230f8b6a99ddb1c4

    • SHA512

      f7b0a7f610871f0c4646a80b5c21c20960b7f7f1a7ef23887426a8c2ca83810c4d3b9f355595510ca276343668cf2ece49acb15f28d8e6c6a732f96ab7b3da19

    • SSDEEP

      6144:HCKalplSyZl3S9qFbQROc3u7kbxME8Qkh+te8bwU0G/pqk3rCixz:HylplHhSgRgOrAbxQQkh+waWGh1

    • 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

    • 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 v15

Tasks