Overview

overview

10

Static

static

10

Nerd Tools.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    Nerd Tools.exe

  • Size

    76.5MB

  • Sample

    240911-ypt51azgpa

  • MD5

    b69d726294ea549c9a664457fc229e24

  • SHA1

    9f655f94705de557a6c946a46096a19ca1423ce9

  • SHA256

    318ebd5812093df87b3ec17048fca8899dc6a4824d98da59b4136e35211337d7

  • SHA512

    a47d8542b1332909617fe5cd58abe4e77647855e7d1aa71b1f36b8d19812706c36955bb7b613e4f7703f919ed9907855c507681e44086a82c34238008b3b8efa

  • SSDEEP

    1572864:/vhQ6lUW/gWSk8IpG7V+VPhqIUE7WTylPj4iY4MHHLeqPNLtDaFfMZvpib:/vh1mkgWSkB05awIATy5nMHVLteOfib

Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      Nerd Tools.exe

    • Size

      76.5MB

    • MD5

      b69d726294ea549c9a664457fc229e24

    • SHA1

      9f655f94705de557a6c946a46096a19ca1423ce9

    • SHA256

      318ebd5812093df87b3ec17048fca8899dc6a4824d98da59b4136e35211337d7

    • SHA512

      a47d8542b1332909617fe5cd58abe4e77647855e7d1aa71b1f36b8d19812706c36955bb7b613e4f7703f919ed9907855c507681e44086a82c34238008b3b8efa

    • SSDEEP

      1572864:/vhQ6lUW/gWSk8IpG7V+VPhqIUE7WTylPj4iY4MHHLeqPNLtDaFfMZvpib:/vh1mkgWSkB05awIATy5nMHVLteOfib

    Score
    9/10
    evasionexecutionpersistenceupx

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks