General

  • Target

    injector_3.exe

  • Size

    2.9MB

  • Sample

    240606-fkj55ahb3w

  • MD5

    46cae523a713b42a2725e391c380ff15

  • SHA1

    fb92db28887b5cdbfdcf5e2200e2a0c61052e03f

  • SHA256

    ddb0cb4678fd74a89202b5a6957b2a175c7b84332014dc524ff3f5e87a0185ae

  • SHA512

    54863687fe0c451f46cf97f095c71022da20abe4ddd8afef2c1b60d632099e8c9fc4d6e7b535844864c02a0a7b1c68a6a5639e376ee68cebc3a1693ca7df02fc

  • SSDEEP

    49152:axmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxWn+O93+xN:axx9NUFkQx753uWuCyyxWnruL

Malware Config

Targets

    • Target

      injector_3.exe

    • Size

      2.9MB

    • MD5

      46cae523a713b42a2725e391c380ff15

    • SHA1

      fb92db28887b5cdbfdcf5e2200e2a0c61052e03f

    • SHA256

      ddb0cb4678fd74a89202b5a6957b2a175c7b84332014dc524ff3f5e87a0185ae

    • SHA512

      54863687fe0c451f46cf97f095c71022da20abe4ddd8afef2c1b60d632099e8c9fc4d6e7b535844864c02a0a7b1c68a6a5639e376ee68cebc3a1693ca7df02fc

    • SSDEEP

      49152:axmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxWn+O93+xN:axx9NUFkQx753uWuCyyxWnruL

    • Modifies visiblity of hidden/system files in Explorer

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

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks