A critical vulnerability was discovered in the popular java logging library Log4j, which hackers exploited to extract the Raptorium cryptocurrency (RTM).
According to Tom’s Hardware portal, hackers exploited a vulnerability in the Log4j library in Hewlett-Packard 9000 servers based on AMD EPYC processors for mining RTM cryptocurrency. As a result of the actions of the cybercriminals, the hash rate of the Raptorium network has doubled – from 200 Mh / s to 400 Mh / s.
The hackers chose RTM because this cryptocurrency is mined on CPUs. At the same time, the choice of servers based on AMD EPYC is quite justified – a large volume of the third level cache (up to 128 MB) and a large number of Zen cores allow these processors to produce a large hash rate when mining RTM.
“During the attack, many servers were compromised, and each was generating significant hash rates thanks to their powerful processors. Such servers are not yet very common, and it is clear that hackers did not mine cryptocurrency on their own equipment. During the investigation, we established that the coins were mined on Hewlett-Packard servers 9,000 EPYC. Most of them had the letters “HP” in their names. The servers were then abruptly shut down, which bolsters the assumption of a hack. The hackers mined coins from December 9 to 17 and received about 30% of the block rewards. They were able to mine about 3.4 million RTM, which is $ 110,000, “- said one of the leading developers of Raptorium.
Of the 3.4 million RTM received, hackers withdrew 1.5 million coins through the CoinEx exchange. The remaining 1.7 million RTM are still in the cybercriminals’ wallets. At the same time, the price of the coin did not react to the sudden increase in the hash rate.
Earlier, Atlas VPN reported that in the first half of 2021, cryptojacking programs were identified on 74,490 devices.
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