First I downloaded the pcap file the using tcpxtract i extracted all the files from pass.pcap file
What i found is a 00000018.zip file which is password protected.
To crack that file i wrote an python script to create all possible combination of password’s

It will Create a password.txt file ….
Now cracking 00000018.zip file using fcrackzip tool
 fcrackzip -D -p password.txt -u 00000018.zip
Password for the file is abc132
now it will create a file pass