Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/03/2025, 06:47
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe
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Size
664KB
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MD5
9f4e8412865b9d84551cc7083ae4877b
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SHA1
9becad68eb352f1e746f8bb9064502068332e96e
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SHA256
367f9d19448c3bc5f2b4376e5e4510af695c06f6ac1efbe8c50cb55f2d5285c9
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SHA512
5edfe01360633e78835a18b3c283d4c5c0f13868ee23117043ea0740bdab646d6f83f4861f0904c8a9d8d96ee36a1e1490f6eaa4b37d20613c035f998f3023c7
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SSDEEP
12288:Ws9lwv1SoCU5qJSr1eMWUngh5oi7Ua0giAbHUzTshNIWa4YIn0/P:vYSoCU5qJSr1eMWF6i7Ua0gi+eTiJamE
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 (671) 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" 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_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) \??\Z: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\A: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\I: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\N: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\U: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\B: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\E: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\K: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\P: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\R: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\V: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\W: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\H: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\J: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\L: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\M: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\Q: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\S: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\Y: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\G: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\O: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\T: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened (read-only) \??\X: 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\RESTORE_FILES.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File created C:\Program Files\Common Files\Microsoft Shared\VC\RESTORE_FILES.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\el.pak 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_es.jar 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkServerCP.bat 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\RELEASE-NOTES.html 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\RESTORE_FILES.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Vevay 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Budapest 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\FlickAnimation.avi 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsMainBackground_PAL.wmv 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Managua 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Santiago 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\ko-KR\RESTORE_FILES.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationUp_SelectionSubpicture.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Notes_loop_PAL.wmv 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-next-over-select.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\COPYRIGHT 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_zh_TW.jar 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Cultures\OFFICE.ODF 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\jawt.h 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Ceuta 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Ho_Chi_Minh 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+10 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrdeslm.dat 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\InkWatson.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_kor.xml 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_SelectionSubpicture.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\EST 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\UTC 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyScenesBackground_PAL.wmv 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrcatlm.dat 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_videoinset.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\ParentMenuButtonIcon.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\tg.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_VideoInset.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\PYCC.pf 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaSansDemiBold.ttf 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cayenne 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Istanbul 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_matte2.wmv 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\decorative_rule.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\scenesscroll.png 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Monaco 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\Common Files\System\msadc\adcjavas.inc 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files\ConfirmResolve.zip 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_ryuk.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{49D76B3D-D6A1-4419-AFD0-EDBEA65C21F0}\chrome_installer.exe 2025-03-12_9f4e8412865b9d84551cc7083ae4877b_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