General

  • Target

    0ece43f4de407e254004af21feddcf57a571b7df052f2954ae9dd37c9c1da969

  • Size

    4KB

  • Sample

    230912-135vrsfg6x

  • MD5

    08d718ba51acbc852add3616d9d3d41a

  • SHA1

    bf0a8ba4224f4f3415d5253e2dd8315031f6e61e

  • SHA256

    0ece43f4de407e254004af21feddcf57a571b7df052f2954ae9dd37c9c1da969

  • SHA512

    04a782a62ff822bdd79dec25c7a10a12905144888a762206dc1149a32e023d9643cfa2ebe6642e1821728b94b8a6b98d1005a13920e8c5b82f68ce2167e64e6d

  • SSDEEP

    96:jWWLkzYxaJRquZOfaZH4cPKapHAgsEMBtpbEOoWoBsLsveYqfOWLvU4fno5/:jyzNSaJ4civEcDP5LsGYaOwBno5/

Malware Config

Extracted

Family

wshrat

C2

http://homesafe1000.duckdns.org:1604

Targets

    • Target

      SoftbankNDA.js

    • Size

      21KB

    • MD5

      c8f19fa9f346f7409e3bba98c1e3f058

    • SHA1

      d857192d59c0ce2196925ce59436e0e36d94b6ee

    • SHA256

      645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808

    • SHA512

      cf214cd1c41ee8b42e1f1ea55d61802a1f35d89626406e02bed1874dfae15ccd24629c7ec2bf0686131691fdd8efefd4d91833afad6c3976fb908c69c4f2f326

    • SSDEEP

      384:n/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:n/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7

    • WSHRAT

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

    • 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

MITRE ATT&CK Enterprise v15

Tasks