File: Broken.memories.zip ... Now

The extracted file, recovery_log.txt , contains the final flag: Tools Used Hex Editor : Manual byte manipulation. ExifTool : Metadata analysis. Steghide : Password-protected data extraction. CyberChef : Base64 decoding.

Running a basic file command or checking the hexadecimal header reveals the first issue. File: Broken.Memories.zip ...

To fix the archive, we must restore the correct PKZip signatures. : Change the first 4 bytes to 50 4B 03 04 . The extracted file, recovery_log