Overview

overview

10

Static

static

144bc81f1a...82c.js

windows7-x64

10

144bc81f1a...82c.js

windows10-2004-x64

10

Sharing

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General

  • Target
    144bc81f1a91e281159dd7e51ebe682c.js.vir
  • Size 257KB
  • Sample221129-ptyvbaaa77
  • SHA256 8313bc593a1a9dbc02a5a58fcdeeb3840c745d03e47625666afc4848b7e3fdab
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

  • wshrat

C2

  • http://grace-fax.home-webserver.de:24150

Targets

    • Target
      144bc81f1a91e281159dd7e51ebe682c.js.vir
    • Size 257KB
    • SHA256 8313bc593a1a9dbc02a5a58fcdeeb3840c745d03e47625666afc4848b7e3fdab
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    vjw0rmwshratpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • 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

    • Adds Run key to start application

      persistence

    • 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 v6

Tasks