General

  • Target

    XeRsJ.exe

  • Size

    843KB

  • Sample

    230615-ygxwxsba33

  • MD5

    b47cfc670ed644dd432cff7bd055b50f

  • SHA1

    86c4d3d3b612bb31f09726a3b8cbe942d1500801

  • SHA256

    39a144a4004a70695915a2e3d1e3fcb2151ea16eb30d9e040ba547301993f281

  • SHA512

    81aaa0949bb514438d26951708559f2689664c33002ead9496ea2273427b4b901c878b87ad8bae349f5ddf11b999eedb71d0a2ac7f4ae28bb703be615cac0fba

  • SSDEEP

    12288:fWWUeqVAMK0tNlxTKOyKmXpsqsyM1bolAfwEqkd0L3CI9w8ha6/56Q:fLASDYNld6Kmaq8sKfwERdOS8w2R

Malware Config

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

remote

C2

10.9.15.110:4545

Mutex

UP537B2BN5867V

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • 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

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    1234

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      XeRsJ.exe

    • Size

      843KB

    • MD5

      b47cfc670ed644dd432cff7bd055b50f

    • SHA1

      86c4d3d3b612bb31f09726a3b8cbe942d1500801

    • SHA256

      39a144a4004a70695915a2e3d1e3fcb2151ea16eb30d9e040ba547301993f281

    • SHA512

      81aaa0949bb514438d26951708559f2689664c33002ead9496ea2273427b4b901c878b87ad8bae349f5ddf11b999eedb71d0a2ac7f4ae28bb703be615cac0fba

    • SSDEEP

      12288:fWWUeqVAMK0tNlxTKOyKmXpsqsyM1bolAfwEqkd0L3CI9w8ha6/56Q:fLASDYNld6Kmaq8sKfwERdOS8w2R

    • 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

    • UPX packed file

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks