General

  • Target
    07012025_0000_PO#2500008_ Jan_2025.Xls.js.rar
  • Size 306KB
  • Sample250107-aab4watpgz
  • SHA256 5f56ca30aeced923f11377c2651244de171290074faaea9a3d85f81b3e83e3f1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • strrat

C2
  • chongmei33.publicvm.com:44662

  • chongmei33.myddns.rocks:44662

Attributes
  • license_id

    khonsari

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Extracted

Family
  • wshrat

C2
  • http://chongmei33.myddns.rocks:7044

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.gmail.com

  • Port

    587

  • Password

    bizr usjt guapiims

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      PO#2500008_ Jan_2025.Xls.js
    • Size 955KB
    • SHA256 b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Agenttesla family

    • STRRAT

      STRRAT is a remote access tool than can steal credentials and log keystrokes.

    • Strrat family

    • WSHRAT

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

    • Wshrat family

    • 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

    • Loads dropped DLL

    • 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

    • 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