It’s a rabbit/hare. Kangaroos either walk (leaving four distinct foot prints) or hop (leaving two).

As I wrote below:

When a rabbit runs they place their front paws next to each other (the “balls” in the image) and their hind legs are placed in front and in-between their front paws. Because the hind paws are so long and the rabbit is running at high speed they leave a long impression in the snow (the “shaft” in the image). The rabbit was running away from our point of view.