Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
17-08-2024 15:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe
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Size
3.4MB
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MD5
3eca70b0239eb7c8db36531e448fb8c9
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SHA1
c88bad0a95e24db82d7b12eb6024962f7e2c3458
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SHA256
d3f60eab05327cffe6e223cf8c7d6402eed5277c04452ea9de7fe77d6e8f437c
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SHA512
b6ac054dac6c2f70feea88f495efff7023a7746913a0de52d719909f26be49e3222568e724943e6a8deccca85a959e531f98ac4f03f66391b66bd194cfdbab1d
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SSDEEP
49152:5urY+OPdCzMP9ANwqegqr7UCrwlkuXf4/Susm4jeU2o1YaYUScPs8jMlMOS9eyc/:KWqzfISusmo1iss8oltHyGR
Malware Config
Extracted
C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt
azov
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_3eca70b0239eb7c8db36531e448fb8c9_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) \??\E: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\G: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\H: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\I: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\L: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\S: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\U: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\X: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\J: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\K: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\M: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\P: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\R: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\B: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\N: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\O: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\Y: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\Z: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\A: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\Q: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\T: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\V: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened (read-only) \??\W: 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe -
Drops file in Program Files directory 50 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ShapeCollector.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\el.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\de.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.sfx 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File created C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\InkWatson.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\cs.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\History.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\FlickLearningWizard.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\InputPersonalization.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\mip.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\en.ttt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File created C:\Program Files\7-Zip\RESTORE_FILES.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\br.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\descript.ion 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\an.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2724 3068 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe 31 PID 3068 wrote to memory of 2724 3068 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe 31 PID 3068 wrote to memory of 2724 3068 2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-17_3eca70b0239eb7c8db36531e448fb8c9_ryuk.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "3068" "512"2⤵PID:2724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD54f3332a48d767cc5bdfdab755d84a450
SHA1d7d583c08e82f39637d8209447c2c9cad1478f01
SHA256a04e8cc0ea5f7e143eba012c2bc470161f1faf9c904eb233f777ced8e6e706ad
SHA5120f60de7622aa69ae0b209a1ed54ec7ba0f6b81b597565e64d41845bec8c471a768ca8622964260c448530f637492aac31a4fc5ec95de147ef2c0d89149c2a66f
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Filesize
1KB
MD5b530e79380fa0e271880224e15d4a1c9
SHA1b3a1977a71090cc0f4f838a19984dd611750b9c3
SHA256628369bb6bde2f4fdcd99758f72bf8ebdc09aaa171199bc9ccd1899867e74689
SHA512a77133129dd297e238a6421c336efa7fbbb589bd814e02ab36f286f24f02601d21ba34ee4bf49e563dd781bd8f790fd9e1940e7abb9918df925938831b8aab31