DataSuckers

DataSuckers is a financially motivated hacking group linked to major data breaches affecting businesses in Russia and Ukraine, with claims of having stolen 2-3 TB of data from approximately 68 million customers. The group has demonstrated TTPs such as customer data theft, extortion through ransom demands, and website defacement. They have claimed responsibility for high-profile attacks on ATB… Source: MISP

Relationships come from co-occurrence in the news, not attribution. Sources: MISP galaxy and SigmaHQ.