General

  • Target
    INVOICE_#TNT564600.exe
  • Size 664KB
  • Sample240216-pk3rxabc33
  • SHA256 f6f49abe480eba571ce7f27566bf4e486e80c3b8a61b89f230eeab0298b436cf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      INVOICE_#TNT564600.exe
    • Size 664KB
    • SHA256 f6f49abe480eba571ce7f27566bf4e486e80c3b8a61b89f230eeab0298b436cf
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Checks computer location settings

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

    • 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.

    • 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 v15

Tasks