: The first step is always generating a MD5 or SHA-256 hash to ensure integrity.
: Using a hex editor to verify the file signature ( 37 7A BC AF 27 1C ). If the header is corrupted, the "write-up" becomes a story of reconstruction. TPh_013.7z
: The archive is often presented as a "suspicious file" intercepted from a target's machine. The .7z extension indicates high-ratio compression, which in the world of 7-Zip can also mean AES-256 encryption—the first major hurdle for any investigator. Technical Triage : : The first step is always generating a