Overview

overview

10

Static

static

COMPLAINT.pdf.js

windows7-x64

10

COMPLAINT.pdf.js

windows10-2004-x64

10

Sharing

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General

  • Target
    COMPLAINT.pdf.js
  • Size 46KB
  • Sample220930-k3a3dsdba5
  • SHA256 9f6e297dd86de88825487549c0f25f02c10138b57b1b955034995615c58a13d2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

  • wshrat

C2

  • http://niiarmah.kozow.com:1604

Targets

    • Target
      COMPLAINT.pdf.js
    • Size 46KB
    • SHA256 9f6e297dd86de88825487549c0f25f02c10138b57b1b955034995615c58a13d2
    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks