General

  • Target
    Invoice 38129337.zip
  • Size 701KB
  • Sample230607-qvnleabf21
  • SHA256 2b34e51260313ef0ec7b341df770adfd5b4573ffdb60e6e59260eb38d217768f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      Invoice 38129337.exe
    • Size 801KB
    • SHA256 dcd2a1a571f36c2739e2c358225fb7bfa4c8ff7379755aedcc68e1cbd71bc076
    • 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 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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