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General

  • Target

    891e69cb1cde7862dc9176254867466b_JaffaCakes118

  • Size

    508KB

  • Sample

    240811-ft54yswflk

  • MD5

    891e69cb1cde7862dc9176254867466b

  • SHA1

    6f55b9b414acd5ff1bc1aa03b8bf40460702a3d7

  • SHA256

    b809eb6146962c7c16d350e440a6f8aaebbad5bf8b8ede9329db7d5dd202fa4a

  • SHA512

    ed688f2f891e2ffd44a76e2457df641960361608c6577d5515dc68aee4e6a2edf013d3769d6383e0fd70b45d557d8246ee22c5a0c2a54603aafe9e9593c5ef20

  • SSDEEP

    6144:ej6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionw08j:k6onxOp8FySpE5zvIdtU+Ymef8049

Malware Config

Targets

    • Target

      891e69cb1cde7862dc9176254867466b_JaffaCakes118

    • Size

      508KB

    • MD5

      891e69cb1cde7862dc9176254867466b

    • SHA1

      6f55b9b414acd5ff1bc1aa03b8bf40460702a3d7

    • SHA256

      b809eb6146962c7c16d350e440a6f8aaebbad5bf8b8ede9329db7d5dd202fa4a

    • SHA512

      ed688f2f891e2ffd44a76e2457df641960361608c6577d5515dc68aee4e6a2edf013d3769d6383e0fd70b45d557d8246ee22c5a0c2a54603aafe9e9593c5ef20

    • SSDEEP

      6144:ej6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionw08j:k6onxOp8FySpE5zvIdtU+Ymef8049

    • 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