Analysis
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max time kernel
94s -
max time network
146s -
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, 05:59
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe
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Size
664KB
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MD5
8cb20120cbffa976277c992d2fc1c633
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SHA1
57971dc11c99c2261242e24058fb9528a6219f96
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SHA256
9f7fcc877645899abcf028022a04454d81b5f757c825500c2278fa84ba7799fd
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SHA512
e1a1aa76978e64fa9413974d271e602b76f8a6410c87c119f5a8a03eb52c85a8b3aac20928f2d0b3bf4c41485e2a2e9f0b4aafcf45ffd7b59c2f6e42276f6b91
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SSDEEP
12288:rs9hR66kSoCU5qJSr1eCyUZbOj39fyf4MgqAUHUzTshp1dIWcI:+ROSoCU5qJSr1eCyJZfyf4Mgq9eTsIJI
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 (384) 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_8cb20120cbffa976277c992d2fc1c633_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) \??\B: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\K: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\M: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\R: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\Y: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\G: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\H: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\T: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\W: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\X: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\A: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\I: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\N: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\P: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\Q: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\U: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\V: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\Z: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\E: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\J: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\L: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\O: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened (read-only) \??\S: 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\insertbase.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\baseAltGr_rtl.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateCore.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\javafx\webkit.md 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdate.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkDrop32x32.gif 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\dotnet\ThirdPartyNotices.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hwritalm.dat 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_rtl.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.ja-jp.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-cn.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jni.h 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\BHO\ie_to_edge_stub.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\elevation_service.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\VC\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msado28.tlb 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak 2025-03-06_8cb20120cbffa976277c992d2fc1c633_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_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\readme.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msado60.tlb 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Windows Media Player\wmprph.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_99609\java.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\Internet Explorer\de-DE\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected] 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File created C:\Program Files\dotnet\host\fxr\6.0.27\RESTORE_FILES.txt 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe 2025-03-06_8cb20120cbffa976277c992d2fc1c633_ryuk.exe File opened for modification C:\Program Files\ClearUnblock.vsx 2025-03-06_8cb20120cbffa976277c992d2fc1c633_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