# 15352 0x1AF91A490C4
import ctypes

kernel32 = ctypes.windll.kernel32
PROCESS_QUERY_INFORMATION = 0x0400
PROCESS_VM_READ = 0x0010

pid = int(15352)
hproc = kernel32.OpenProcess(PROCESS_QUERY_INFORMATION |PROCESS_VM_READ, False, pid)
print(hproc)
lpbaseaddr = 0x1AF91  # Works - returns b'\x00\x00\x00\x00\x00\x00\x00\x00'
lpbaseaddr = 0x1AF91A490C4  # Doesn't work - returns the same error
read_buff = ctypes.create_string_buffer(8)
bytread = ctypes.c_ulong(0)
kernel32.ReadProcessMemory(hproc, lpbaseaddr, read_buff, 8, ctypes.byref(bytread))
print(read_buff.raw) #i also tried read_buff.value