General

  • Target
    Invoice.exe
  • Size 840KB
  • Sample210802-v35mtf182a
  • SHA256 55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    gibson.1990

Targets

    • Target
      Invoice.exe
    • Size 840KB
    • SHA256 55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks