Attempting to open it reveals it is . You cannot see the filenames or extract the data without a password. Information Gathering :
A write-up for this type of challenge usually follows these forensic steps: : The file is a 7-Zip archive ( .7z ).
: The filename "múlt hónapban" (last month) is often a hint. The password might be a specific date, a month name, or something related to a timestamp found in the metadata of another file.