Prepare the ingredients - crush the vanilla wafers, and chop up your walnuts.
Combine all your ingredients - vanilla wafers, cocoa, walnuts, corn syrup, brandy, and confectioners sugar - and mix well. I suggest using a blender. It makes it so much faster! The mixture should form a sticky dough.
Divide the dough into small balls (1-2 inches in diameter), and roll them in powdered / confectioners' sugar. Chill, and store with more confectioners' sugar - it keeps them from sticking together.