General

  • Target
    Order P.O_6688544.PDF.exe
  • Size 670KB
  • Sample251015-ez3eksd12d
  • SHA256 f4f2bf8c021bc14f008f14eef6a1884b363f394a94cae1edfe9f90d13d93e274
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.fosna.net

  • Port

    21

  • Password

    (=8fPSH$KO_!

Targets

    • Target
      Order P.O_6688544.PDF.exe
    • Size 670KB
    • SHA256 f4f2bf8c021bc14f008f14eef6a1884b363f394a94cae1edfe9f90d13d93e274
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • 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 v16

Tasks