A new report by pure-enjoy managed detection and reaction (MDR) services service provider eSentire has related the knowledge breach impacting Cisco Talos devices in Could with an Evil Corp-affiliate group.
A lot more especially, eSentire’s Risk Response Unit (TRU) uncovered that the IT infrastructure employed to attack Cisco was also deployed in an tried compromise of 1 of its clientele in April 2022.
“TRU thinks that a hacker who utilizes the alias, mx1r, is the cybercriminal behind the attack,” eSentire wrote.
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According to security organization Mandiant the threat actor known as mx1r would be a member of an Evil Corp affiliate group referred to as UNC2165.
For context, in an advisory revealed just after the May well attack, Cisco attributed their breach to a risk actor with ties to the Lapsus$ danger team, the Yanluowang ransomware operators, and a team that Mandiant phone calls UNC2447.
Rapidly ahead to the existing day, the MDR advisory clarified that when the techniques, strategies, and processes (TTPs) of the attack from the workforce management company matched those people of Evil Corp, the infrastructure employed matched that of a Conti ransomware affiliate, which has been viewed deploying equally Hive and Yanluowang ransomware payloads.
“On the lookout at numerous complex aspects of the malicious infrastructure leveraged, TRU discovered a handful of added situations of Cobalt Strike infrastructure,” eSentire wrote.
“TRU tracks this infrastructure cluster as HiveStrike. The Hive group initial appeared on the ransomware scene in June 2021 and quickly acquired a standing for attacking critical targets like hospitals, power corporations and IT firms.”
According to eSentire’s report, HiveStrike also bears some similarities to the ShadowStrike infrastructure documented by TRU previously this calendar year with affiliations to Conti.
“It looks not likely – but not impossible – that Conti would lend its infrastructure to Evil Corp,” reads the advisory.
eSentire concluded its advisory by giving a sequence of strategies to help companies defend their methods from cyber-attacks. These include things like getting offline backup copies of all critical information, working with multi-factor authentication (MFA) and only letting directors to accessibility network appliances making use of a VPN service, among others.
Some sections of this post are sourced from:
www.infosecurity-magazine.com