General

  • Target

    https://discord.gg/crystalud

  • Sample

    241027-zpp2qazlhm

Malware Config

Targets

    • CryptoLocker

      Ransomware family with multiple variants.

    • Cryptolocker family

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Sets service image path in registry

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Users

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks