“The apparatus moved into an unpredictable orbit and ceased to exist as a result of a collision with the surface of the Moon” Roskosmos

This description is surprisingly apt. The moon got in the way.

https://www.smh.com.au/world/asia/russia-s-first-lunar-mission-in-47-years-smashes-into-the-moon-20230820-p5dy0v.html