General

  • Target

    4e7c663a42020ca0d70e5ef8f4d953c8_JaffaCakes118

  • Size

    496KB

  • Sample

    241016-xm4qzszfrq

  • MD5

    4e7c663a42020ca0d70e5ef8f4d953c8

  • SHA1

    e011c994ba92afbcff3b7c64e1e8ba45592354ff

  • SHA256

    649f22ae060c619fde783418f0dd30de18a71c4c98effebcfc92a3c8419d89f7

  • SHA512

    8e4e4feb3b42764ee6354a8aca70a5226a92cd9db758de4f7fc8bf5c85f961b5c225ae299b1a35824dc3d1c7ff1d2cebd12dbfa8a140b14b74849d152c364abe

  • SSDEEP

    6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtg1F93En:dMMpXKb0hNGh1kG0HWo+9

Malware Config

Targets

    • Target

      4e7c663a42020ca0d70e5ef8f4d953c8_JaffaCakes118

    • Size

      496KB

    • MD5

      4e7c663a42020ca0d70e5ef8f4d953c8

    • SHA1

      e011c994ba92afbcff3b7c64e1e8ba45592354ff

    • SHA256

      649f22ae060c619fde783418f0dd30de18a71c4c98effebcfc92a3c8419d89f7

    • SHA512

      8e4e4feb3b42764ee6354a8aca70a5226a92cd9db758de4f7fc8bf5c85f961b5c225ae299b1a35824dc3d1c7ff1d2cebd12dbfa8a140b14b74849d152c364abe

    • SSDEEP

      6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtg1F93En:dMMpXKb0hNGh1kG0HWo+9

    • 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