A security analyst performs incident response activities after a recent security incident. They need to analyze a suspicious email attachment and verify the email's authentication to determine the attack's origin.

Which tool should the analyst utilize to accomplish these tasks?

Security Information and Event Management $($SIEM$)$

Network Access Control $($NAC$)$

Domain$-$based Message Authentication, Reporting, and Conformance $($DMARC$)$

Cuckoo Sandbox