General

  • Target
    ebb88a5df7df82e25bbd75a2c65341d558adc4b7752ee74fa2a10aa6f4e6e5ce.exe
  • Size 1.3MB
  • Sample251009-san3jsvvgs
  • SHA256 ebb88a5df7df82e25bbd75a2c65341d558adc4b7752ee74fa2a10aa6f4e6e5ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.taikei-rmc-co.biz

  • Port

    587

  • Password

    Uu}mE3i5uWA3m]i{

Targets

    • Target
      ebb88a5df7df82e25bbd75a2c65341d558adc4b7752ee74fa2a10aa6f4e6e5ce.exe
    • Size 1.3MB
    • SHA256 ebb88a5df7df82e25bbd75a2c65341d558adc4b7752ee74fa2a10aa6f4e6e5ce
    • MD5 SHA1 SHA512 SSDEEP
    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks