General

  • Target

    baf8b50875337b0e014d0eb4569059efd425555224d0518d7ca1a5792fcc92dd

  • Size

    1.0MB

  • Sample

    230130-a9l35adb2z

  • MD5

    d90c31168c1d25dabf15246fb14dbe9b

  • SHA1

    601d19947865e5c7846e771b5bf538d5ae226f77

  • SHA256

    baf8b50875337b0e014d0eb4569059efd425555224d0518d7ca1a5792fcc92dd

  • SHA512

    fa4f9b3fd3741d2a405456a688114925279c5a35693e988f903c2c5ad57763f44f9c5f84d0ed015aa86aa61bd54ace4aa181dd198df1d0420337afc76a3efea4

  • SSDEEP

    12288:O0Ia0LYL1NVfL2uw2yaooOGN+3O18Lc4mqvgy3VdfvjjylWMBqATP6ses97L6IQB:AALDooZ543frUSOL6YW6uVWz8Tp

Malware Config

Extracted

Family

cybergate

Version

v1.03.0

Botnet

remote

C2

localhost:82

dd8d819sika.zapto.org:82

Mutex

4K22N7IKU1M0F1

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    csrss.exe

  • install_dir

    Perfmonitor

  • install_file

    Perfmon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

  • regkey_hkcu

    Perfmon

  • regkey_hklm

    Perfmon

Targets

    • Target

      baf8b50875337b0e014d0eb4569059efd425555224d0518d7ca1a5792fcc92dd

    • Size

      1.0MB

    • MD5

      d90c31168c1d25dabf15246fb14dbe9b

    • SHA1

      601d19947865e5c7846e771b5bf538d5ae226f77

    • SHA256

      baf8b50875337b0e014d0eb4569059efd425555224d0518d7ca1a5792fcc92dd

    • SHA512

      fa4f9b3fd3741d2a405456a688114925279c5a35693e988f903c2c5ad57763f44f9c5f84d0ed015aa86aa61bd54ace4aa181dd198df1d0420337afc76a3efea4

    • SSDEEP

      12288:O0Ia0LYL1NVfL2uw2yaooOGN+3O18Lc4mqvgy3VdfvjjylWMBqATP6ses97L6IQB:AALDooZ543frUSOL6YW6uVWz8Tp

    • CyberGate, Rebhip

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

    • Adds policy Run key to start application

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks