General

  • Target
    f5904a66a7961025941fa1c08e6f9b44.exe
  • Size 706KB
  • Sample201104-s89gp63p7e
  • SHA256 fb5c8438c12b2a2fafeaedd0d328c2669d6c8ef6fed06455e630d1edf4d47651
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.hkoffice365.com

  • Port

    587

  • Password

    ?K76%fuh6kJ*

Targets

    • Target
      f5904a66a7961025941fa1c08e6f9b44.exe
    • Size 706KB
    • SHA256 fb5c8438c12b2a2fafeaedd0d328c2669d6c8ef6fed06455e630d1edf4d47651
    • MD5 SHA1 SHA512
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla Payload

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks