General

  • Target

    f6c71c2a2f38660bde583f0f6e91fb52_JaffaCakes118

  • Size

    669KB

  • Sample

    241216-cf99zayjax

  • MD5

    f6c71c2a2f38660bde583f0f6e91fb52

  • SHA1

    6d3d287560c3d5553f40ecd4bf007e6ed0a24908

  • SHA256

    668d9c11f442b407034832c3a40c9c1ef06f48f9d374985d7716c4688ed499c6

  • SHA512

    de709c965f8d7259b002950846338d77e610213311d1d2181ed336c22a9a95ab1a5d7e2f954f28f0998d6b3de11ce292872d4fce83eeb5670f8e60233895b3d2

  • SSDEEP

    12288:s0aNzHaQ9DA44VdmIULqiTIYIt2Y/ZNbi3XxWN1RrfoaKWEe659aK:Lal6+DNqohLH/IffR0aKN9X

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      f6c71c2a2f38660bde583f0f6e91fb52_JaffaCakes118

    • Size

      669KB

    • MD5

      f6c71c2a2f38660bde583f0f6e91fb52

    • SHA1

      6d3d287560c3d5553f40ecd4bf007e6ed0a24908

    • SHA256

      668d9c11f442b407034832c3a40c9c1ef06f48f9d374985d7716c4688ed499c6

    • SHA512

      de709c965f8d7259b002950846338d77e610213311d1d2181ed336c22a9a95ab1a5d7e2f954f28f0998d6b3de11ce292872d4fce83eeb5670f8e60233895b3d2

    • SSDEEP

      12288:s0aNzHaQ9DA44VdmIULqiTIYIt2Y/ZNbi3XxWN1RrfoaKWEe659aK:Lal6+DNqohLH/IffR0aKN9X

    • 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