Did you find a clue in the filename or a secondary file?
Since I don't have the specific contents of your file, here is a professional template you can use to document your findings. 1. Challenge Overview Name: PorcupineCrummy PorcupineCrummy.7z
Did you use a tool like John the Ripper or Hashcat ? Did you find a clue in the filename or a secondary file
(e.g., Forensics / Cryptography / Reverse Engineering) Difficulty: (e.g., Easy / Medium) Easy / Medium)