A recently learned provide chain attack linked to North Korea was most possible devised to goal cryptocurrency firms with backdoor malware, in accordance to Kaspersky.
It was thought that the advanced multi-stage campaign was intended to fall an infostealer on qualified corporations. Nevertheless, the Russian AV seller has connected backdoor malware dubbed “Gopuram,” which it has been monitoring because 2020, to the attacks.
This both confirms the possible attack group as North Korea’s Lazarus and improvements the suspected conclusion target of the attackers from cyber-espionage to theft of electronic forex.
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“While investigating an attack on a Southeast Asian cryptocurrency organization in 2020, we identified Gopuram co-current on the similar device with the AppleJeus backdoor, which is attributed to Lazarus,” Kaspersky wrote in a web site put up.
“Over the years, we observed number of victims compromised with Gopuram, but the range of infections started to improve in March 2023. As it turned out, the improve was specifically associated to the 3CX provide chain attack.”
Read more on North Korean crypto attacks: UN Hyperlinks North Korea to $281m Crypto Exchange Heist.
The modular backdoor is launched in the 3CX attack, as is the infostealer, as a next-stage payload by using DLL sideloading. It is utilized to accomplish a selection of steps on influenced equipment, like manipulating the Windows registry and expert services, executing timestomping on files and injecting payloads into processes.
In accordance to Kaspersky, the backdoor has been deployed to considerably less than 10 devices therefore far, indicating a extremely qualified marketing campaign focused specifically on cryptocurrency firms.
“We believe that Gopuram is the most important implant and the final payload in the attack chain. Our investigation of the 3CX campaign is even now significantly from comprehensive,” Kaspersky concluded. “We will go on examining the deployed implants to discover out extra details about the toolset applied in the provide chain attack.”
North Korean state hackers have been concentrating on crypto corporations for lots of years and are suspected of stealing billions of dollars to assistance fund the country’s nuclear weapons software.
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