Unfortunately sanctions have resulted in a huge current account surplus in Russia due to import bans, accelerating the de-dollarization of its economy and driving the appreciation of the ruble. It's up over 40% against the $ from a year ago so they have no shortage of Rubles. It's just they can't purchase many foreign goods with them. And nobody else wants them!

https://www.intellinews.com/the-ruble-recovers-december-losses-as-new-year-starts-266384/