Check for execution of regsvr32.exe or rundll32.exe shortly after the file was downloaded.
Once extracted, the user executes the internal file, which reaches out to a Command & Control (C2) server to download the primary malware payload. Technical Indicators (Estimated) Typical Value Original Date September 21, 2022 Archive Password 1234 or abc123 Primary Goal 220921A4.7z
Reset user credentials and perform a full forensic sweep for secondary payloads (like Cobalt Strike beacons). Check for execution of regsvr32
If this file was found on a production system, isolate the host immediately to prevent lateral movement. the user executes the internal file