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Nokoyawa ransomware attacks with Windows zero

Kaspersky Securelistby @Securelist ()7 min read5 · 3 reads
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2022-24521
Out-of-bounds Write Privilege Escalation in Microsoft Windows CLFS Driver
7.87%KEVRansomware
KEV
CVE-2022-37969
Out-of-bounds write flaw in Microsoft Windows CLFS driver enables privilege escalation
7.828%KEVRansomware
KEV
CVE-2023-23376
Out-of-Bounds Write Privilege Escalation in Microsoft Windows CLFS Driver
7.811%KEVRansomware
KEV
CVE-2023-28252
Heap Overflow in Microsoft Windows CLFS Driver Enables Local Privilege Escalation
7.849%KEVRansomwarePoC
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaindevsetgroup.com17 CobaltStrike C2s vnssinc[.]com qooqle[.]top vsexec[.]com devsetgroup[.]com Nokoyawa ransomware 8800e6f1501f69a0a04ce709e9fa251c
domainqooqle.top3d7fdb2f8f5e5c1962e22b504a17 CobaltStrike C2s vnssinc[.]com qooqle[.]top vsexec[.]com devsetgroup[.]com Nokoyawa ransomware 8800e6
domainvnssinc.com16634e6e7 a2313d7fdb2f8f5e5c1962e22b504a17 CobaltStrike C2s vnssinc[.]com qooqle[.]top vsexec[.]com devsetgroup[.]com Nokoyawa rans
domainvsexec.comc1962e22b504a17 CobaltStrike C2s vnssinc[.]com qooqle[.]top vsexec[.]com devsetgroup[.]com Nokoyawa ransomware 8800e6f1501f69a0a04
md51e4dd35b16ddc59c1ecf240c22b8a4c4ploit 46168ed7dbe33ffc4179974f8bf401aa CobaltStrike loaders 1e4dd35b16ddc59c1ecf240c22b8a4c4 f23be19024fcc7c8f885dfa16634e6e7 a2313d7fdb2f8f5e5c1962e22b
md546168ed7dbe33ffc4179974f8bf401aaner* C:\Users\Public\MyLog*.blf C:\Users\Public\p_* Exploit 46168ed7dbe33ffc4179974f8bf401aa CobaltStrike loaders 1e4dd35b16ddc59c1ecf240c22b8a4c4 f23be
md58800e6f1501f69a0a04ce709e9fa251cle[.]top vsexec[.]com devsetgroup[.]com Nokoyawa ransomware 8800e6f1501f69a0a04ce709e9fa251c
md5a2313d7fdb2f8f5e5c1962e22b504a175b16ddc59c1ecf240c22b8a4c4 f23be19024fcc7c8f885dfa16634e6e7 a2313d7fdb2f8f5e5c1962e22b504a17 CobaltStrike C2s vnssinc[.]com qooqle[.]top vsexec[.]com de
md5f23be19024fcc7c8f885dfa16634e6e7401aa CobaltStrike loaders 1e4dd35b16ddc59c1ecf240c22b8a4c4 f23be19024fcc7c8f885dfa16634e6e7 a2313d7fdb2f8f5e5c1962e22b504a17 CobaltStrike C2s vnssinc[.

From the original article

7 min read at securelist.com

In February 2023, Kaspersky technologies detected a number of attempts to execute similar elevation-of-privilege exploits on Microsoft Windows servers belonging to small and medium-sized businesses in the Middle East, in North America, and previously in Asia regions.

Kaspersky Securelist

By @Securelist · securelist.com

Read the full article at Kaspersky Securelist

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.