Many "Hobbit" variants use simple XOR or AES encryption to hide their configuration strings. Locating the decryption key is a primary goal for an analyst.
The .7z extension indicates a 7-Zip LZMA/LZMA2 compressed archive. The file header should begin with the magic bytes 37 7A BC AF 27 1C . HobbitC.7z
In a deep-dive write-up, you would load the binary into or Ghidra : Many "Hobbit" variants use simple XOR or AES