Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
06-06-2024 03:51
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe
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Size
664KB
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MD5
e260b5fe5606aea8cf2c4ee7270c8e9c
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SHA1
00b7e0dc76790e4229191dcb068dba66bfb05654
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SHA256
cc9914ae1f6dec97bc9f7d957a71b4458e8398a8dcaa10e57083a8605fd7d6b6
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SHA512
4330f6a075ffb2a6339ab5ce2967a15189f5b0b292940ed0b88c8c428c260dfa9e91858f1fde1229ef4f4765ea1cf57fbbdaaa3550bd8785099b64d1fc5a1e04
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SSDEEP
12288:us9AfkcSoCU5qJSr1eaVQUBsOeHDUOiEIg3AYHUzTshmh0D3:O/SoCU5qJSr1eIQAwDUOiEIg3NeTd2L
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Renames multiple (588) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exedescription ioc process File opened (read-only) \??\R: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\W: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\A: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\E: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\K: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\L: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\O: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\G: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\I: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\N: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\Y: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\V: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\Z: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\J: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\P: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\Q: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\S: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\U: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\B: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\H: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\M: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\T: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened (read-only) \??\X: 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exedescription ioc process File created C:\Program Files\dotnet\swidtag\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ur.pak 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\unicode.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_93484\javaws.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\cldr.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\nl-NL\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\hu.pak 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\jfr\default.jfc 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\hijrah-config-umalqura.properties 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\resources.jar 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\Common Files\System\msadc\it-IT\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\sk.pak 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunmscapi.jar 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\License.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\RESTORE_FILES.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\security\java.policy 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\fa.pak 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\elevation_service.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\fil.pak 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\javafx\webkit.md 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt 2024-06-06_e260b5fe5606aea8cf2c4ee7270c8e9c_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