General

  • Target
    TNT AWB #8013580.exe
  • Size 705KB
  • Sample250430-fdextswvbz
  • SHA256 db21a85e8ccccbc75bf1aba64addb02897493d199cfe2ee19c67faa8c51bf9c7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.fosna.net

  • Port

    21

  • Password

    (=8fPSH$KO_!

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.fosna.net

  • Port

    21

  • Password

    (=8fPSH$KO_!

Targets

    • Target
      TNT AWB #8013580.exe
    • Size 705KB
    • SHA256 db21a85e8ccccbc75bf1aba64addb02897493d199cfe2ee19c67faa8c51bf9c7
    • 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