Overview

overview

10

Static

static

1

c842f1d233...3f4.js

windows7-x64

10

c842f1d233...3f4.js

windows10-2004-x64

10

Sharing

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General

  • Target
    c842f1d233e8f298aa3ee7d7b6e8e890474f9acf7ec18b4da07e771d3be323f4.js
  • Size 64KB
  • Sample240305-c8swdsdc63
  • SHA256 c842f1d233e8f298aa3ee7d7b6e8e890474f9acf7ec18b4da07e771d3be323f4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
netsupportpersistencerat

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://compactgrill.hu/care.txt

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://whatisfurosemide.com/f877c2e5-2949-4498-af83-6a5c5jd37342a.txt

Targets

    • Target
      c842f1d233e8f298aa3ee7d7b6e8e890474f9acf7ec18b4da07e771d3be323f4.js
    • Size 64KB
    • SHA256 c842f1d233e8f298aa3ee7d7b6e8e890474f9acf7ec18b4da07e771d3be323f4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    netsupportpersistencerat

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

      ratnetsupport

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks