Tier2.rar -

It would contain obfuscated code or payloads for analysis.

This might be a slang way of referring to successfully decrypted or "cleaned" code found within the malware sample during a threat-hunting exercise. tier2.rar

Below are the most likely contexts for a file named "tier2.rar": 1. EPA Tier II Reporting Software It would contain obfuscated code or payloads for analysis

These files contain the Java code and configuration needed to connect application servers to other systems. tier2.rar