General

  • Target

    73d997778cddaebcecd141a926253170_JaffaCakes118

  • Size

    500KB

  • Sample

    240726-njes1sycne

  • MD5

    73d997778cddaebcecd141a926253170

  • SHA1

    53d8f18de4b8fd6937d07ddcc9e47c96292dbec0

  • SHA256

    7c63726a2ab93b47f473c3e047473b9a19e082f5b4d53e229cf1613d356eb822

  • SHA512

    6263813ce0897cb39b460338d54b127ef6bc7b8fd97101a62cd05931603918da2049512c614edf7fb473963c07282764d0e51d7bb702995ad4a4fba637003bbd

  • SSDEEP

    6144:hA8XXRUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aUUq:BnRy+ZyYpaCDJFuPyAHcqrUU

Malware Config

Targets

    • Target

      73d997778cddaebcecd141a926253170_JaffaCakes118

    • Size

      500KB

    • MD5

      73d997778cddaebcecd141a926253170

    • SHA1

      53d8f18de4b8fd6937d07ddcc9e47c96292dbec0

    • SHA256

      7c63726a2ab93b47f473c3e047473b9a19e082f5b4d53e229cf1613d356eb822

    • SHA512

      6263813ce0897cb39b460338d54b127ef6bc7b8fd97101a62cd05931603918da2049512c614edf7fb473963c07282764d0e51d7bb702995ad4a4fba637003bbd

    • SSDEEP

      6144:hA8XXRUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aUUq:BnRy+ZyYpaCDJFuPyAHcqrUU

    • 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