General

  • Target
    010729194c08b557dc260c821d07d35b2c8fdfbaa18ff27c7f1f2fe233850fd1.vbs
  • Size 3.2MB
  • Sample240613-rl2bkssdmc
  • SHA256 010729194c08b557dc260c821d07d35b2c8fdfbaa18ff27c7f1f2fe233850fd1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.gmail.com

  • Port

    587

  • Password

    bizr usjt guapiims

Extracted

Family
  • wshrat

C2
  • http://chongmei33.publicvm.com:7045

Targets

    • Target
      010729194c08b557dc260c821d07d35b2c8fdfbaa18ff27c7f1f2fe233850fd1.vbs
    • Size 3.2MB
    • SHA256 010729194c08b557dc260c821d07d35b2c8fdfbaa18ff27c7f1f2fe233850fd1
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks