Analysis
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max time kernel
148s -
max time network
151s -
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, 18:44
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe
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Size
664KB
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MD5
0eaf36d5491c37259fd5c5a9c598efa5
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SHA1
179629db3e7e97ea78c688e7e9e714eabd9afa3b
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SHA256
799a339ff96d71df707fdf08357a290f97704587a224d7d1583de3405758c431
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SHA512
a39e70430f20c8861725ccd57a26bb3b39bc0d4b74f2076439e681c054a3d759a30fa807b154cdba24e25b577c8d21e29d5095952a6e6e8f34641bdb51b7ce53
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SSDEEP
12288:+s9zbXgSoCU5qJSr1e21UCYrn2IulPIgtAKHUzTshTZcZDoVpmA:lkSoCU5qJSr1e21K2IulPIgtbeT4VJ
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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Renames multiple (332) 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 3 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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_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) \??\Y: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\B: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\G: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\H: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\V: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\X: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\I: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\K: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\O: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\Q: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\W: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\E: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\J: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\N: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\P: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\R: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\S: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\T: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\Z: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\A: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\L: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\M: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened (read-only) \??\U: 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\elevation_service.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-MX\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.122.manifest 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\COPYRIGHT 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-BR.pak 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\tr.pak 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jpeg.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\baseAltGr_rtl.xml 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\currency.data 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\he-IL\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\cookie_exporter.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate\1.3.195.43\MicrosoftEdgeUpdateComRegisterShell64.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msado25.tlb 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File created C:\Program Files\Java\jdk-1.8\bin\RESTORE_FILES.txt 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jcup.md 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2025-03-06_0eaf36d5491c37259fd5c5a9c598efa5_ryuk.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d