There is no widely documented or public cybersecurity "write-up" for a file named in major threat intelligence databases or CTF (Capture The Flag) repositories.
: Checking the archive’s creation date and the software used to pack it. Behavioral Analysis (Sandboxing) : DAN-SING.rar
: Roshal Archive (RAR). This is a compressed format that can be used to bypass basic email filters that only scan for uncompressed .exe or .js files. There is no widely documented or public cybersecurity