General

  • Target
    InstallerV31751.exe
  • Size 14.4MB
  • Sample260827-vy3xqaxyhz
  • SHA256 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      InstallerV31751.exe
    • Size 14.4MB
    • SHA256 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

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

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks