General

  • Target
    New Shipment nvoice No..exe
  • Size 893KB
  • Sample200921-dyvp7rtlm2
  • SHA256 6c4e1f8d9d65712d50dd63f5ef8bce5c788afcec567f735e035f068d8c859341
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    nc$jcXy8

Targets

    • Target
      New Shipment nvoice No..exe
    • Size 893KB
    • SHA256 6c4e1f8d9d65712d50dd63f5ef8bce5c788afcec567f735e035f068d8c859341
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • UPX packed file

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

    • Drops startup file

    • 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 v6

Tasks