The 4 bytes @ 1E40 are your steam idv3, but I'm not sure what the 4 bytes beginning at 8 bytes before the end of the file are. I've tried checking permutations and hashes of steam's id64, idv3, and ...

Extract the "re4_tweaks" folder, dinput8.dll and dinput8.ini to "Steam\steamapps\common\Resident Evil 4\Bin32". Options can be configured either by manually editing dinput8.ini, or by pressing F1 to ...