General

  • Target
    Invoice Overdue & Error INV NR 522236562 DTD 25.10.2021 SK.rar
  • Size 7KB
  • Sample221110-kpvvmsgdb7
  • SHA256 198cc33ea754753f7c79e1b2c5fed3273ece8b80e17b82a30d3721910937542f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      Invoice Overdue & Error INV NR 522236562 DTD 25.10.2021 SK.exe
    • Size 55KB
    • SHA256 f401e6678d1dc2b278bee5e0edb3236331ab655d151dea9f4166c31840ae2e13
    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks