Cant CreateRemoteThread from 32 bit to 64 bit process. Could use CreateRemoteThread64 technique somewhere in here: http://www.ownedcore.com/forums/world-of-warcraft/world-of-warcraft-bots-programs/wow-memory-editing/349391-64-bit-wow-remote-thread.html Also see: https://github.com/rapid7/meterpreter/blob/5e24206d510a48db284d5f399a6951cd1b4c754b/source/common/arch/win/i386/base_inject.c