General

  • Target

    wallpaperenginedebugger64.exe

  • Size

    3.9MB

  • Sample

    230418-zk89ssec26

  • MD5

    da9c56ac2e6993e0ce098bf5654f702c

  • SHA1

    66a5ae109af8fd5ab81a6ba77038e56c475bcfc8

  • SHA256

    82481142629a5cd217ca98a4817f4b7559fad3986ab8f0f9bbf53872ffc87770

  • SHA512

    3dfba703a96ed40ef59e42662a6c90a1f56e319d105bcc0d564ad2c8898db378780761285fbfa69c7dc9d90afaea5aa41e747e8c6eb175c7e6f53489819ed22b

  • SSDEEP

    98304:nOkUPphnJ/kZtjxeP7jm+OPPx/thpa3Mw+2fm:nOkURhnJ/kHOm+EVO3Mw+2e

Malware Config

Targets

    • Target

      wallpaperenginedebugger64.exe

    • Size

      3.9MB

    • MD5

      da9c56ac2e6993e0ce098bf5654f702c

    • SHA1

      66a5ae109af8fd5ab81a6ba77038e56c475bcfc8

    • SHA256

      82481142629a5cd217ca98a4817f4b7559fad3986ab8f0f9bbf53872ffc87770

    • SHA512

      3dfba703a96ed40ef59e42662a6c90a1f56e319d105bcc0d564ad2c8898db378780761285fbfa69c7dc9d90afaea5aa41e747e8c6eb175c7e6f53489819ed22b

    • SSDEEP

      98304:nOkUPphnJ/kZtjxeP7jm+OPPx/thpa3Mw+2fm:nOkURhnJ/kHOm+EVO3Mw+2e

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

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks