General

  • Target
    b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118
  • Size 615KB
  • Sample240404-m7le2adb61
  • SHA256 8947b59e82b1518358d0cd119d2b1f9fcb732bb84b36a3ec6a3eaddc2909f67c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.sautiyapwanifm.com

  • Port

    587

  • Password

    Uwada12345

Targets

    • Target
      b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118
    • Size 615KB
    • SHA256 8947b59e82b1518358d0cd119d2b1f9fcb732bb84b36a3ec6a3eaddc2909f67c
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks