Overview

overview

10

Static

static

1

Tax-Return...765.js

windows7-x64

10

Tax-Return...765.js

windows10-2004-x64

10

Sharing

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General

  • Target
    Tax-Returns-Of-R58-765.js
  • Size 1.0MB
  • Sample231023-ppc22sae87
  • SHA256 21d1b6a68906c9062a548838de678dc76f763bb8300ae753e352716dcdd9be7b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshrattrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://harold.ns01.info:3609

Targets

    • Target
      Tax-Returns-Of-R58-765.js
    • Size 1.0MB
    • SHA256 21d1b6a68906c9062a548838de678dc76f763bb8300ae753e352716dcdd9be7b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wshrattrojan

    • WSHRAT

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

      trojanwshrat

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • 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