General

  • Target
    crackproll.zip
  • Size 10.0MB
  • Sample260823-rt5nzaae54
  • SHA256 76e1765cca674c9fa3ad5ee11b875e82f6028523b909fa3ce4d518b8d418f22b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      em/KeyAuthEmu1.3.exe
    • Size 3.2MB
    • SHA256 683e7a2fd8ed2887b268b7f3d9145b11772b7624c115d6eaf0cea5a4029be860
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks