General

  • Target
    RFQ #HU4759GK3891.scr.exe
  • Size 698KB
  • Sample240825-lbbqaawfpe
  • SHA256 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.merlinmotorworks.com

  • Port

    587

  • Password

    Merlin1080S

Targets

    • Target
      RFQ #HU4759GK3891.scr.exe
    • Size 698KB
    • SHA256 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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 v15

Tasks