Dear momoro9,
Here is the Steam Guard code you need to login to account momoro9:
3MBJV
This email was generated because of a login attempt from a computer located at 223.204.241.70 (TH). The login attempt included your correct account name and password.
The Steam Guard code is required to complete the login. No one can access your account without also accessing this email.
If you are not attempting to login then please change your Steam password and consider changing your email password as well to ensure your account security.
If you are unable to access your account then you may choose to lock your account. Once locked you must request Steam Support's assistance in recovering and unlocking it. Until the account is unlocked you will be restricted from accessing many of Steam's features including online gameplay in VAC enabled games.
The Steam Support Team
https://help.steampowered.com/