Overview

overview

10

Static

static

1

aed8a6b319...141.js

windows7-x64

10

aed8a6b319...141.js

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    aed8a6b3191c2097fcbadb520f5d0f7e30b578c23f9abc0ab52b63bbb7abc141.js
  • Size 984KB
  • Sample240922-tbh4csxdrd
  • SHA256 aed8a6b3191c2097fcbadb520f5d0f7e30b578c23f9abc0ab52b63bbb7abc141
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://37.48.102.22:1820

Targets

    • Target
      aed8a6b3191c2097fcbadb520f5d0f7e30b578c23f9abc0ab52b63bbb7abc141.js
    • Size 984KB
    • SHA256 aed8a6b3191c2097fcbadb520f5d0f7e30b578c23f9abc0ab52b63bbb7abc141
    • 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

    • 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 v15

Tasks