A hacker linked with the LockBit 3.0 ransomware-as-a-service (RaaS) operation has been identified exploiting the Windows Defender command-line tool to decrypt and install Cobalt Strike payloads.
According to endpoint security firm SentinelOne, the ransomware operator exploited VMware command-line utility called VMwareXferlogs.exe, to alter VMware tool settings and interface in the targeted operating systems, and downloaded a Cobalt Strike payload. The hacker also leveraged a command line tool associated with Windows Defender named “MpCmdRun.exe to” decrypt and load Cobalt Strike payloads.
Subsequently, the malicious actor exploited the Log4Shell vulnerability which is the bug found in an open-source logging library employed by apps and services across the internet, and implemented a reconnaissance for thorough observation of the network to download the Cobalt Strike Payload.
SentinelOne stated that Windows Defender needs to be vigilant regarding the current scenario as hackers associated with the LockBit ransomware are exploring to abuse “novel living off the land tools” to deploy Cobalt Stri
[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.
[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.
This article has been indexed from CySecurity News – Latest Information Security and Hacking Incidents
Read the original article: