Sounds a lot like how my two rats were when I got them, but they were already a year old so training them has been tough. They both come crawling out onto me now, and its been only a few weeks! What I did was just leave the cage door open for as long as it took for her to get curious. You can put some food on the door of the cage to bribe her, but if she's not used to you I wouldn't handfeed her yet or she may get in the habit of biting. When she comes just have your hands there for her to sniff and nibble. Let her come out onto a table and explore with your hands there so they are less intimidating to her. Try to gently stroke her on the head. If you can pick her up, gently lift her and hold her against your chest until she gets really agitated. I'd do this for short periods of time multiple times a day so she gets accustomed to you. Good luck!

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