General

  • Target

    aaf1fe6140ec9dab4fb5a4ce5f62e08b_JaffaCakes118

  • Size

    642KB

  • Sample

    241128-etvsjs1mfn

  • MD5

    aaf1fe6140ec9dab4fb5a4ce5f62e08b

  • SHA1

    cb323a9b2e0479d6814f5a20b0b05d2c3272340d

  • SHA256

    e4ebb2c69a427c815f3bb64a524a7e14893029d8be22a25bbca344f35d8294c6

  • SHA512

    3cefc16db096b860202d84e027f65df2ce39275c102a4d74fceb97c0b2cc4adb9f058ba1ade5da3f699f64cb1417a5e3e4207b08433efd73ab11fc0e1caffd35

  • SSDEEP

    12288:4ya+nhKwCElN8wOrH3M9U7EQBM/uvSLTvrQ/gCQNop0BfFP4xPFj0CQ945E:PaYBFlqwwHcafgCMftUtjyu5E

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      aaf1fe6140ec9dab4fb5a4ce5f62e08b_JaffaCakes118

    • Size

      642KB

    • MD5

      aaf1fe6140ec9dab4fb5a4ce5f62e08b

    • SHA1

      cb323a9b2e0479d6814f5a20b0b05d2c3272340d

    • SHA256

      e4ebb2c69a427c815f3bb64a524a7e14893029d8be22a25bbca344f35d8294c6

    • SHA512

      3cefc16db096b860202d84e027f65df2ce39275c102a4d74fceb97c0b2cc4adb9f058ba1ade5da3f699f64cb1417a5e3e4207b08433efd73ab11fc0e1caffd35

    • SSDEEP

      12288:4ya+nhKwCElN8wOrH3M9U7EQBM/uvSLTvrQ/gCQNop0BfFP4xPFj0CQ945E:PaYBFlqwwHcafgCMftUtjyu5E

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks BIOS information in registry

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

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks