General

  • Target

    xbtloader2.exe

  • Size

    4.9MB

  • Sample

    240112-yp7q4afbd8

  • MD5

    99fa056f91d3e594881f1db4be592b80

  • SHA1

    c07cfc750a66d5bceecd9a0831bace423c3c9124

  • SHA256

    21fe219fef852bd4c7f4bb785dc1bec739f07d7050c73edad54090bae8763402

  • SHA512

    5fb2e7d9644c1bebada8acec12077d61ef64b824e954e95bfe6f88d9ce516e31bf6f9e025cbcd3f5306554bd6886c0b65e246dab59296fcc43b10cb751280e83

  • SSDEEP

    98304:5v9JCWf0q3lG3qSUO6bv5GKWRrAHnsqfCcnhfps:VTHf0q3EDUnhGpRrS15hfu

Malware Config

Targets

    • Target

      xbtloader2.exe

    • Size

      4.9MB

    • MD5

      99fa056f91d3e594881f1db4be592b80

    • SHA1

      c07cfc750a66d5bceecd9a0831bace423c3c9124

    • SHA256

      21fe219fef852bd4c7f4bb785dc1bec739f07d7050c73edad54090bae8763402

    • SHA512

      5fb2e7d9644c1bebada8acec12077d61ef64b824e954e95bfe6f88d9ce516e31bf6f9e025cbcd3f5306554bd6886c0b65e246dab59296fcc43b10cb751280e83

    • SSDEEP

      98304:5v9JCWf0q3lG3qSUO6bv5GKWRrAHnsqfCcnhfps:VTHf0q3EDUnhGpRrS15hfu

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks