A Russian cyber espionage group is suspected of repurposing another malware campaign's old infrastructure to spy on a Ukrainian computer network.
A Russian cyber espionage group is suspected of repurposing another malware campaign's old infrastructure to spy on a Ukrainian computer network.where Turla Team, a Russian government-linked cyber espionage group, is suspected of re-registering domain names used nine years ago in a previously unconnected attack to spread a banking trojan malware via infected USB drives.
Some of the infected computers were on a Ukrainian network onto which the new hackers later installed additional malware and backdoors.The campaign highlights an evolution in Russian state-sponsored hackers' tactics, allowing them to rely on others' leftovers to remain undetected on victim networks."Now they are taking advantage of another actor’s work by taking over their command and control," John Hultquist, head of threat intelligence at Mandiant, said in a statement.
Researchers concluded that the hackers re-registered an old domain name in January 2022 and spent a few months combing through infected devices to determine which victims they now had access to. From there, the new hackers installed two new malware strains that Turla Team is known to have used in past campaigns onto selected Ukrainian computers.
In total, Turla is suspected of re-registering three domain names linked to hundreds of device infections.Mandiant observed the group downloading Turla-connected malware onto only a single network — the Ukrainian one — "suggesting a high level of specificity in choosing which victims received a follow-on payload," per the report.This is the first time Mandiant has spotted Turla targeting Ukrainian organizations since the Russian invasion in February.
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