Overview

overview

10

Static

static

1

old outsta...PDF.js

windows7-x64

10

old outsta...PDF.js

windows10-2004-x64

10

Sharing

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General

  • Target
    a325d86c0dea86e974f3b09ec72f51b4.bin
  • Size 761KB
  • Sample230519-b89cpsdd4v
  • SHA256 de852e1b1e43123cddc6cbe268aa7ab3785f8fa025827e71f2ba003fd4fae221
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

  • wshrat

C2

  • http://84.21.172.33:8895

Targets

    • Target
      old outstanding .PDF.js
    • Size 3.4MB
    • SHA256 344b8c7c7c4467f18c9b43447efafad8ac795c25b006465aeb1bd6097b50abb7
    • 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