Overview

overview

10

Static

static

1

05212023840.js

windows7-x64

10

05212023840.js

windows10-2004-x64

10

Sharing

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General

  • Target
    05212023840.js
  • Size 1.0MB
  • Sample230522-krm8ksfb74
  • SHA256 b32f3e7d67e21bf2d40dec620a6f2a1b471847af427f924ed28b72633b9b6c40
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://45.90.222.125:7121

Targets

    • Target
      05212023840.js
    • Size 1.0MB
    • SHA256 b32f3e7d67e21bf2d40dec620a6f2a1b471847af427f924ed28b72633b9b6c40
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wshratpersistencetrojan

    • 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