General

  • Target
    Nightmare.exe
  • Size 73.7MB
  • Sample260621-pbbl3ac13p
  • SHA256 c5798461420bdc2d43864033988f4995889ebb9d765b0a46bd1e5572d245b679
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Nightmare.exe
    • Size 73.7MB
    • SHA256 c5798461420bdc2d43864033988f4995889ebb9d765b0a46bd1e5572d245b679
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

MITRE ATT&CK Enterprise v16

Tasks