General

  • Target

    be56e51c80ba2d294004aaa4b4be257f_JaffaCakes118

  • Size

    1016KB

  • Sample

    241203-vfpblszldq

  • MD5

    be56e51c80ba2d294004aaa4b4be257f

  • SHA1

    3b77b939df37687b2de5ace8e7d75dddcd7e6623

  • SHA256

    f9a5dcdb56caa2602fbf5d2d352451ce2bdab9bc6aba767cefb8c08ae60f16d5

  • SHA512

    cef372828d9a88cc1109aa92b2e84e3972e8107a1693f6fb0c9bf88110d809c71d01703a7144864bb008c1b2af9f6a18dff0556aa04b6e9446b1816ed1bc81cf

  • SSDEEP

    6144:TIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:TIXsgtvm1De5YlOx6lzBH46U

Malware Config

Targets

    • Target

      be56e51c80ba2d294004aaa4b4be257f_JaffaCakes118

    • Size

      1016KB

    • MD5

      be56e51c80ba2d294004aaa4b4be257f

    • SHA1

      3b77b939df37687b2de5ace8e7d75dddcd7e6623

    • SHA256

      f9a5dcdb56caa2602fbf5d2d352451ce2bdab9bc6aba767cefb8c08ae60f16d5

    • SHA512

      cef372828d9a88cc1109aa92b2e84e3972e8107a1693f6fb0c9bf88110d809c71d01703a7144864bb008c1b2af9f6a18dff0556aa04b6e9446b1816ed1bc81cf

    • SSDEEP

      6144:TIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:TIXsgtvm1De5YlOx6lzBH46U

    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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