[ CrackMe2 Instructions: ]

https://crackinglessons.com/crackme-2/


[ API references: ]

CreateFile:
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea

GenericRead and Generic Write:
https://stackoverflow.com/questions/49911921/what-is-the-generic-write-constant-hex-value-in-windows

File Access Mask for CreateFile API:
https://docs.microsoft.com/en-us/windows/win32/secauthz/access-mask-format?redirectedfrom=MSDN

ReadFile:
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-readfile

SetDlgItemText:
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setdlgitemtexta