Analysis
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max time kernel
143s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-08-2024 07:37
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
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Size
1.4MB
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MD5
9c37857ff85b3e358ba221c0ba1a6bec
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SHA1
821504b4c92f6387a78f4a6125a8c5bc3e9ede4d
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SHA256
ab7b185b86821c2c881998f9967e5ca4a8894db6312eafe2cb872335941826dc
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SHA512
13c2cc058352a382704e5702764d24389cf3b1603ec002ab10d485440f6ad2e1bfbe651e5551d3ed726ca2073f79b395abfd93c843935832909149a70c07a430
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SSDEEP
24576:83UfD2wPCKqqc4UhUEdcfGCNhKsKEfVeAgw5Z0UMYTbKv:kUfD23KqCUhU0eGCbKBEflgwf0UMSbKv
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Renames multiple (121) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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" 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_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) \??\H: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\P: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\Q: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\R: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\S: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\E: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\M: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\N: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\O: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\U: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\Z: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\A: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\G: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\I: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\L: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\V: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\X: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\B: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\J: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\K: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\T: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\W: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened (read-only) \??\Y: 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.exe 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\adovbs.inc 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\de.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\System\msadc\it-IT\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\adojavas.inc 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msado60.tlb 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\it.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msado20.tlb 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\System\msadc\adcvbs.inc 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\sv-SE\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\et-EE\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\he-IL\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\descript.ion 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\Services\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\tg.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fi-FI\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\ApproveGet.mht 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\ApproveOut.emf 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-MX\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\RESTORE_FILES.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\History.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\an.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt 2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d