It's unlikely, but far from impossible. The delta v to get to low-earth orbit is about 10 km/s (more depending on drag), while the delta vs from low earth orbit to the Lagrangian points, low lunar orbit, or even earth escape velocity are of the order of just 3-4 km/s.
Neat Wikipedia graphic that shows this: http://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Del...