Is this a sample you are investigating for a CTF (Capture The Flag) challenge or a security audit?
To provide a detailed write-up, I need to know the of this file. Please specify if "Stanislav.rar" refers to one of the following:
Are you trying to recover or extract specific data from an archive you already possess?
Is this a specific mod for a game (like S.T.A.L.K.E.R. or Assetto Corsa ) or a legacy software tool?