The train from Moscow to Sofia departs every day at 08:01 from Kievskaya station. It stops at: Ruse, Gorna Oryahoviza, Levski, Pleven, Cherven-Bryag, Mezdra.
It goes back from Sofia at 20:40.
There are additional routes organized in summer:
Moscow - Varna and Moscow - Burgas with stops at Kaspichan and Karnobat cities.