Flare-On 7: Challenge 11 – Rabbit Hole - FireEye

this file is a user registry hive, that usually resides in the %USERPROFILE% directory (usually C:\Users\ on Windows 10). Otherwise you can use standard tools (e.g. the Linux "file" utility) to find out the file type, or just Google the first 4 bytes of the file (that is "regf"): $ file … ................
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