It has a distinctive ejecta blanket surrounding it that's darker nearer the craters and brighter further away.

The inner region of the ejecta is characterized by a lobate appearance indicative of the flow of a liquid (or slushy) substance over the surface.

The flow was probably icy surface material melted by the energy released during the impact that formed the crater.

[1] The crater is named after the Sumerian god of war, death, and disease.

This article about an impact crater on a moon of Jupiter is a stub.