General

  • Target
    Invoice FNR Marketing - RWP 07.28.20.exe
  • Size 410KB
  • Sample200728-l3s6vwhscj
  • SHA256 597b9eb83b3ce72eb2d98bbf4ab67fbbfcacef10de03636dc062a63b8480b40d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    webmail.aurianet.com

  • Port

    587

  • Password

    Susana2016.

Extracted

Credentials
  • Protocol

    smtp

  • Host

    webmail.aurianet.com

  • Port

    587

  • Password

    Susana2016.

Targets

    • Target
      Invoice FNR Marketing - RWP 07.28.20.exe
    • Size 410KB
    • SHA256 597b9eb83b3ce72eb2d98bbf4ab67fbbfcacef10de03636dc062a63b8480b40d
    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks