Overview

overview

8

Static

static

3

NyxTweaker.exe

windows10-2004-x64

8

NyxTweaker.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    NyxTweaker.zip
  • Size 76.1MB
  • Sample260807-dchwzswdrf
  • SHA256 3149034f51b3da0a37c544ed5e8e5945d405ec99d6b8e274c31f23075ca6e9b3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
costuradefense_evasiondiscoveryexecutionpackerpersistencetrojan

Malware Config

Targets

    • Target
      NyxTweaker.exe
    • Size 82.1MB
    • SHA256 cc5fae94dd74c22537047d8a18c1575328246431b0f0c9eb1b007e08550755ec
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    costuradefense_evasiondiscoveryexecutionpackerpersistencetrojan

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks