General

  • Target

    b2cd4abd47a808f9709dcd24523e7e249641c67f4bb9ea1b99661a4a5eef4fbf

  • Size

    599KB

  • Sample

    250106-grysjazrgp

  • MD5

    6f461914524d3d2e8b1858cfab11d4e0

  • SHA1

    b43c131b81f54fdf8a9b38d56a17a1d40452c0a5

  • SHA256

    b2cd4abd47a808f9709dcd24523e7e249641c67f4bb9ea1b99661a4a5eef4fbf

  • SHA512

    39a78acd1e9e06680b15430d79b492091a4fe065122e444c4431a1c3c2b15d1306bfcfc11e3baba47c3461fc3cb34ee46ed095d6ba8bac1017546aa28c5e30f8

  • SSDEEP

    12288:A9eVQkTrvj4srOenbZ+gUqMnYwqp5sqU5oXtftRT9Furf:AUQkTf4AvnbU6bp/b5Fc

Malware Config

Extracted

Family

cybergate

Version

2.7 Beta 02

Botnet

vítima

C2

127.0.0.1:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      b2cd4abd47a808f9709dcd24523e7e249641c67f4bb9ea1b99661a4a5eef4fbf

    • Size

      599KB

    • MD5

      6f461914524d3d2e8b1858cfab11d4e0

    • SHA1

      b43c131b81f54fdf8a9b38d56a17a1d40452c0a5

    • SHA256

      b2cd4abd47a808f9709dcd24523e7e249641c67f4bb9ea1b99661a4a5eef4fbf

    • SHA512

      39a78acd1e9e06680b15430d79b492091a4fe065122e444c4431a1c3c2b15d1306bfcfc11e3baba47c3461fc3cb34ee46ed095d6ba8bac1017546aa28c5e30f8

    • SSDEEP

      12288:A9eVQkTrvj4srOenbZ+gUqMnYwqp5sqU5oXtftRT9Furf:AUQkTf4AvnbU6bp/b5Fc

    • 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

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks