By changing the header area to a common one and setting the block size properly, it will be possible to load with AS to some extent, but it is almost corrupted. Perhaps random byte replacement or dummy data has been added before the CAB-information. Also, the block size can only be obtained by brute force. No particular clue was found in the header.
Recent ChineseEdition Unity engines no longer expand decrypted data in memory, so even comparisons from memory dumps are impossible.