Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2025, 17:53
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe
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Size
1.5MB
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MD5
f978b331ab1a54d81bc979e500d8908d
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SHA1
9e1544b51097cfc9945ba6f1b5b1fdc5b6479c3d
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SHA256
ab9254d626437203ad5fc0a9e4782b61a768452b7873dacd3186cdc16294f7c0
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SHA512
b4bc637cce04fa6b0c2bf8733fe1962e594e713cf6ea786c803c8f148f4db76394c4e0725a70425d3f7bd85a5b1366210530ccae722705fc04acfedc2791d033
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SSDEEP
49152:xxGLjLeA9BetJxJn6PlH0pclbwbWAaJiwmqTjcoeSeoT:OqalUxqPFMLoT
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Azov family
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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" 2025-03-06_f978b331ab1a54d81bc979e500d8908d_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) \??\N: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\Q: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\R: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\W: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\X: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\A: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\B: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\J: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\L: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\P: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\T: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\U: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\Y: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\Z: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\E: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\G: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\H: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\K: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\M: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\O: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\S: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\V: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened (read-only) \??\I: 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7-zip.chm 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File created C:\Program Files\7-Zip\RESTORE_FILES.txt 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.sfx 2025-03-06_f978b331ab1a54d81bc979e500d8908d_ryuk.exe