A standard write-up for this challenge usually follows these phases:

Checking C:\Windows\Prefetch confirms if the malicious binary inside the RAR was ever executed.

: To analyze any .pcap files associated with the malware's network "phone home" activity.

The malware often attempts to stay on the system by creating a Scheduled Task or modifying the Windows Registry Run keys. Common Indicators of Compromise (IOCs) Value (Example) File Name FixSmart.exe or Setup.vbs MD5 Hash Varies by version of the challenge C2 Server Often a hardcoded IP address found in strings analysis Registry Key HKCU\Software\Microsoft\Windows\CurrentVersion\Run Tools Used in Write-ups Autopsy : For automated disk image analysis.

These registry hives provide evidence of program execution even if the files were later deleted.

: Specifically PECmd for prefetch and RECmd for registry analysis.

Analysts use tools like 7-Zip or WinRAR to inspect the contents. The archive often contains an executable or a script (like a .vbs or .ps1 file) disguised with a fake icon.

The file is the primary artifact in a popular digital forensics and incident response challenge, typically centered around investigating a compromised workstation or a malicious download scenario. Challenge Overview