18 lines
690 B
Text
18 lines
690 B
Text
rule MountLocker5_0 {
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meta:
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description = "YARA rule for MountLocker v5.0"
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reference = "http://chuongdong.com/reverse%20engineering/2021/05/23/MountLockerRansomware/"
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author = "@cPeterr"
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tlp = "white"
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strings:
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$worm_str = "========== WORM ==========" wide
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$ransom_note_str = ".ReadManual.%0.8X" wide
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$version_str = "5.0" wide
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$chacha_str = "ChaCha20 for x86_64, CRYPTOGAMS by <appro@openssl.org>"
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$chacha_const = "expand 32-byte k"
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$lock_str = "[OK] locker.file > time=%0.3f size=%0.3f KB speed=%" wide
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$bat_str = "attrib -s -r -h %1"
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$IDirectorySearch_RIID = { EC A8 9B 10 F0 92 D0 11 A7 90 00 C0 4F D8 D5 A8 }
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condition:
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uint16(0) == 0x5a4d and all of them
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}
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