Overview

overview

10

Static

static

Invoice.pdf.lnk

windows7-x64

10

Invoice.pdf.lnk

windows10-2004-x64

10

Sharing

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General

  • Target
    Invoice.pdf.lnk
  • Size 3KB
  • Sample220727-lbbqaacdcq
  • SHA256 8c9d00375d44842c536848a04273da0932fd13c40582443ed42607f328a5f005
  • MD5 SHA1 SHA512
Score
10/10
wshrattrojan

Malware Config

Extracted

Language

  • hta

Source
URLs
  • hta.dropper

    http://40.65.123.35/trow.hta

Extracted

Family

  • wshrat

C2

  • http://3.tcp.eu.ngrok.io:26042

Extracted

Language

  • hta

Source
URLs
  • hta.dropper

    http://40.65.123.35/trow.hta

Targets

    • Target
      Invoice.pdf.lnk
    • Size 3KB
    • SHA256 8c9d00375d44842c536848a04273da0932fd13c40582443ed42607f328a5f005
    • MD5 SHA1 SHA512
    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 v6

Tasks