General

  • Target
    https://github.com/ANewSpecies/Mercurial
  • Sample240211-abddbscb69

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.03.0

Botnet
  • remote

C2
  • 127.0.0.1:999

Mutex
  • 44WVJQ781MC5PM

Attributes
  • enable_keylogger

    false

  • 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

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Extracted

Family
  • mercurialgrabber

C2
  • https://discord.com/api/webhooks/875977542710984714/9OEzYiDW3at9tUnFYTqUGkLbi8Mt2g4XB8OMFYgyBMd65HLrmraACTqoxBaxD8QvRfVX

Targets

    • Target
      https://github.com/ANewSpecies/Mercurial
    • CyberGate, Rebhip

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

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks