28 lines
989 B
Text
28 lines
989 B
Text
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rule Hermes2_1 {
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meta:
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description = "Detects Hermes Ransomware as used in BAE report on FEIB"
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date = "2017/10/11"
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author = "BAE"
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reference = "https://baesystemsai.blogspot.de/2017/10/taiwan-heist-lazarus-tools.html"
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hash = "b27881f59c8d8cc529fa80a58709db36"
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id = "13397a43-04e1-5cc1-9260-9895736013f3"
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strings:
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//in both version 2.1 and sample in Feb
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$s1 = "SYSTEM\\CurrentControlSet\\Control\\Nls\\Language\\"
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$s2 = "0419"
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$s3 = "0422"
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$s4 = "0423"
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//in version 2.1 only
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$S1 = "HERMES"
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$S2 = "vssadminn"
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$S3 = "finish work"
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$S4 = "testlib.dll"
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$S5 = "shadowstorageiet"
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//maybe unique in the file
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$u1 = "ALKnvfoi4tbmiom3t40iomfr0i3t4jmvri3tb4mvi3btv3rgt4t777"
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$u2 = "HERMES 2.1 TEST BUILD, press ok"
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$u3 = "hnKwtMcOadHwnXutKHqPvpgfysFXfAFTcaDHNdCnktA" //RSA Key part
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condition:
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uint16(0) == 0x5a4d and all of ($s*) and 3 of ($S*) and 1 of ($u*)
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}
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