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General

  • Target

    8f503a109e77031961be0c791f41c6e0N.exe

  • Size

    2.6MB

  • Sample

    240825-hpb2essdqp

  • MD5

    8f503a109e77031961be0c791f41c6e0

  • SHA1

    322e56e5abd3b3f27cbe5d0ae322c9d408a18e78

  • SHA256

    c010f5ae0c0614c2077f6f346cc82d850b837aa743ecb62eac197ee7e8964f7b

  • SHA512

    86d64819b112a56a1997f48d043e7fc802fd975d935e19538d6799b2c11321486f5370a10351d305e1040f234435657720ecfd61a408121d884b627f38b87075

  • SSDEEP

    49152:WXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVu:WXzhW148Pd+Tf1mpcOldJQ3/Vu

Malware Config

Targets

    • Target

      8f503a109e77031961be0c791f41c6e0N.exe

    • Size

      2.6MB

    • MD5

      8f503a109e77031961be0c791f41c6e0

    • SHA1

      322e56e5abd3b3f27cbe5d0ae322c9d408a18e78

    • SHA256

      c010f5ae0c0614c2077f6f346cc82d850b837aa743ecb62eac197ee7e8964f7b

    • SHA512

      86d64819b112a56a1997f48d043e7fc802fd975d935e19538d6799b2c11321486f5370a10351d305e1040f234435657720ecfd61a408121d884b627f38b87075

    • SSDEEP

      49152:WXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVu:WXzhW148Pd+Tf1mpcOldJQ3/Vu

    • Modifies visiblity of hidden/system files in Explorer

    • 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.

    • 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