Overview

overview

10

Static

static

1

3680c60d58...78d.js

windows7-x64

10

3680c60d58...78d.js

windows10-2004-x64

10

Sharing

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General

  • Target
    3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d.js
  • Size 616KB
  • Sample240508-b385rabh3t
  • SHA256 3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://masterokrwh.duckdns.org:8426

Targets

    • Target
      3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d.js
    • Size 616KB
    • SHA256 3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wshratexecutionpersistencetrojan

    • WSHRAT

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

      trojanwshrat

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks