Overview

overview

10

Static

static

3

EZFN_Clien...1].exe

windows10-2004-x64

10

EZFN_Clien...1].exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    EZFN_Client_3.1[1].exe
  • Size 66.4MB
  • Sample261105-rlqvva1sfv
  • SHA256 ceb861fa617f038a267a57de8d7abafef39c034c9b338bb126a701289e64513c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionexploitpersistence

Malware Config

Targets

    • Target
      EZFN_Client_3.1[1].exe
    • Size 66.4MB
    • SHA256 ceb861fa617f038a267a57de8d7abafef39c034c9b338bb126a701289e64513c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionexploitpersistence

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Possible privilege escalation attempt

      exploit

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks