There is a documentary out this month called Meme Wars. Folk humor strikes back set in Ukraine about the Russian invasion and forward.

Meme Wars. Early on in the film the woman being interviewed describes "memes as antibodies" - a defense mechanism.

From the YouTube site commentary:

In the modern world, memes are not just entertainment. They can define our reality. And Ukrainian memes of a full-scale invasion are a unique phenomenon. Even researchers from Stanford University are studying it.

The documentary's creators talked to the authors of the most famous memes and found out how they had the courage to make jokes during the darkest times. A Ukrainian diplomat tells how he used memes to get weapons for Ukraine. The founder of the most massive Ukrainian Twitter meme community revealed how memes strike not only on the information frontline, but also on the real battlefield. Film creators with Ukrainian and worldwide leading researchers has redefined the role of memes in the Ukrainian resistance in the most dramatic war of the XXI century.

I haven't seen the whole thing yet, but it looks interesting.