It all depends on where that vibration is in your hatch. If it is between the sheets of metal where you can not get to than no, you would need foam or silicon injected into that location.
I would try dynomating what you can and see if that helps, if not check this stuff out.
Second Skin Spectrum Sludge - Noise & Vibration Sound Deadening Coating
Or
Second Skin Spectrum - Noise & Vibration Sound Deadener Coating
Or if you want to go cheap
http://greatstuff.dow.com/products/gaps-and-cracks/
Before I knew about the other stuff I had used great stuff
Picture of the Z trunk lid