Windows_Ransomware_Ryuk_1a4ad952

Description

Identifies RYUK ransomware

Query · yara

strings:
        $e1 = { 8B 0A 41 8D 45 01 45 03 C1 48 8D 52 08 41 3B C9 41 0F 45 C5 44 8B E8 49 63 C0 48 3B C3 72 E1 }
    condition:
        1 of ($e*)
Raw source Windows_Ransomware_Ryuk_1a4ad952 · YARA
Esc
Published by elastic/protections-artifacts ↗, licensed under Elastic License 2.0 ↗. Reproduced here unmodified. 
rule Windows_Ransomware_Ryuk_1a4ad952 : beta {
    meta:
        author = "Elastic Security"
        id = "1a4ad952-cc99-4653-932b-290381e7c871"
        fingerprint = "d8c5162850e758e27439e808e914df63f42756c0b8f7c2b5f9346c0731d3960c"
        creation_date = "2020-04-30"
        last_modified = "2021-08-23"
        description = "Identifies RYUK ransomware"
        threat_name = "Windows.Ransomware.Ryuk"
        reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ryuk"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $e1 = { 8B 0A 41 8D 45 01 45 03 C1 48 8D 52 08 41 3B C9 41 0F 45 C5 44 8B E8 49 63 C0 48 3B C3 72 E1 }
    condition:
        1 of ($e*)
}

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