General

  • Target
    RFQ4638B.exe
  • Size 724KB
  • Sample200720-lrhpd28xps
  • SHA256 0fb739ef1d92cb9e84d30184e289bdcc2e1d851d302e69665d34ce9768c3ddbc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    benneth1975

Targets

    • Target
      RFQ4638B.exe
    • Size 724KB
    • SHA256 0fb739ef1d92cb9e84d30184e289bdcc2e1d851d302e69665d34ce9768c3ddbc
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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