Check for password protection. If prompted for a password, common CTF defaults include infected , password , or 1234 . Extract files in a sandboxed environment.

Calculate hashes (MD5, SHA256) to check against threat intelligence databases like VirusTotal .

If the archive contains a disk image or memory dump, use Volatility for memory analysis or Autopsy for disk forensics.

Perform static analysis on extracted binaries or documents using tools like strings , floss , or binwalk .

Could you provide more context on or what the specific objective of the write-up should be?