hi everyone, i hope u guys with full of experiences can help me on this matter.i'm a fresh graduate. currently i'm working at a law firm, the probationary period is 3 months. but i juz worked ad 3weeks.

salary rm700.
i'm not happy with the working environment. i have plan to leave due to i need not only do the task given i have to do cleaning such as mopping floor, washing toilet,vacumm and etc. but i have signed a agreement letter. so the agreement stated need 1 month of notice for termination. can i just go off without any letter or notice. i scare they will take legal action on me. pls help.