Overview

overview

10

Static

static

10

Crystal.exe

windows7-x64

7

Crystal.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    Crystal.exe
  • Size 102.4MB
  • Sample240701-1pre8a1hmg
  • SHA256 b5409eaa14a7767b885091c5545a7ccaa9a1a76573c8c1e25abf0355d0ecc8f6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
pysilonevasionexecutionpersistencepyinstaller

Malware Config

Targets

    • Target
      Crystal.exe
    • Size 102.4MB
    • SHA256 b5409eaa14a7767b885091c5545a7ccaa9a1a76573c8c1e25abf0355d0ecc8f6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    evasionexecutionpersistence

    • 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

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks