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    Suspicious Bitlocker Encryption

    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Azure Sentinel@AzureSentinel
    •updated Jun 17, 2025•0•15

    Looks for potential instances of bitlocker modifying registry settings to allow encryption, where it's executed via a .bat file.

    Microsoft Sentinel (KQL)

    Tags

    TA0040 - ImpactT1486 - Data Encrypted for ImpactT1112 - Modify RegistryT1059.003 - Windows Command ShellS1139 - INC RansomwareTA0005 - Defense EvasionTA0003 - PersistenceTA0002 - ExecutionS0075 - RegS1178 - ShrinkLockerRegistry Value SetScript ExecutionFile Encryption DetectedProcess EventCommand ExecutionWindowsWindows Defender Atpkqltactic:Ransomware

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