General

  • Target
    Draft Invoice.zip
  • Size 620KB
  • Sample240413-tbmfsaef44
  • SHA256 72fdee6bbb20fd83e38e2d73518e2deeddb1fdf687a801703ba0b2b2f0b0475d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      Draft Invoice.exe
    • Size 630KB
    • SHA256 615f457d36ad1da20bd802ff15975732d9ebe71f5b4d540ef19c5ca3135fd863
    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 v15

Tasks