Windows Zero-Day Vulnerability CVE-2023-28252 Exploited by Nokoyawa Ransomware Group

skywatcg-alert-2

  • ransom-4

    TLP-GREEN

A zero-day vulnerability in the Microsoft Windows system, which also affects Windows 11, has been employed in a ransom operation identified by Kaspersky.

The Nokoyawa ransomware group has used CVE-2023-28252 in recent attacks against businesses in the Middle East, North America, and Asia regions.

Kaspersky has detected five distinct but similar exploits utilized by threat actors to target industries such as retail and wholesale, energy, manufacturing, healthcare, and software development.

SkyWatchSM Alert Legend

  • small-bell

    Warning

  • active-threat0-lt-green

    Active Threat

  • malware-lt-green

    Malware

  • ransome-lt-green

    Ransomware

  • warning-green

    Phishing

  • file-green

    Network/IOT

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GLESEC CYBER SECURITY INCIDENT REPORTS are in compliance with the U.S. Department of Homeland Security (DHS) Traffic-Light Protocol (TLP).

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    Disclosure is Not Limited.

  • TLP-Green

    Limited Disclosure, Restricted Only to the Community.

  • TLP-Amber

    Limited Disclosure, restricted to the Participant's Organization.

  • TLP-Red

    Not for Disclosure, Restricted/ Classified - Only Shared with US DHS.

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