General

  • Target

    17f4e4056da6d77d8d6c06c89911f649_JaffaCakes118

  • Size

    437KB

  • Sample

    241006-nygwxssckl

  • MD5

    17f4e4056da6d77d8d6c06c89911f649

  • SHA1

    8077d1d744914455b62dac92a098ad0831331032

  • SHA256

    6ce25fa9b0c7d729a1e2de50f02487aba8475cb279e7d481e258ff5b7b5012e0

  • SHA512

    8658f43427b290354d077894c1be084d70d1ffaeb3a85cf3cafc29c26be7a62dd3f64ee07ea3c181bb395b651ebc3515de9758065df65af3dc1cf12e80accad4

  • SSDEEP

    6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtg17aVyTKnNOZa2bOd4RXdr:dMMpXKb0hNGh1kG0HWo+rdd4n

Malware Config

Targets

    • Target

      17f4e4056da6d77d8d6c06c89911f649_JaffaCakes118

    • Size

      437KB

    • MD5

      17f4e4056da6d77d8d6c06c89911f649

    • SHA1

      8077d1d744914455b62dac92a098ad0831331032

    • SHA256

      6ce25fa9b0c7d729a1e2de50f02487aba8475cb279e7d481e258ff5b7b5012e0

    • SHA512

      8658f43427b290354d077894c1be084d70d1ffaeb3a85cf3cafc29c26be7a62dd3f64ee07ea3c181bb395b651ebc3515de9758065df65af3dc1cf12e80accad4

    • SSDEEP

      6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtg17aVyTKnNOZa2bOd4RXdr:dMMpXKb0hNGh1kG0HWo+rdd4n

    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks