General

  • Target
    https://cryptex-core.net/public/cryptex1.4.4.zip
  • Sample260505-zpmxcsft5x

Malware Config

Targets

    • Target
      https://cryptex-core.net/public/cryptex1.4.4.zip
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v16

Tasks