Analysis
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max time kernel
13s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
17-08-2024 13:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe
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Size
1.8MB
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MD5
756ef468f3b055f47c81c2d4cac7cc06
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SHA1
075ebf52eb79a5b227964435ffe03db76a69dd91
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SHA256
2073b1abb03741af1abba88e0ccd311a3ede19d89bcf1f029606e93545f59f69
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SHA512
ec40e5da7ba005f33a00afb38aaeb5ae4750ca2895dcc44fa56f7dac38dd65567c54e118f9d76e33fd2684b53b8ee6f70530a0aa3097bc85eb7fe9a870083c28
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SSDEEP
49152:jZH42U78NgjpUAQjqdURLDLy0cdakz1D15:ltNgjpMRL/mx5
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\W: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\A: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\E: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\I: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\K: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\L: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\M: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\P: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\Q: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\R: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\X: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\Y: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\J: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\N: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\O: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\U: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\B: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\G: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\H: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\S: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\V: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened (read-only) \??\Z: 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe -
Drops file in Program Files directory 6 IoCs
description ioc Process File created C:\Program Files\7-Zip\RESTORE_FILES.txt 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.sfx 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened for modification C:\Program Files\7-Zip\descript.ion 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened for modification C:\Program Files\7-Zip\History.txt 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm 2024-08-17_756ef468f3b055f47c81c2d4cac7cc06_ryuk.exe