Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 21:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe
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Size
664KB
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MD5
8a4b49ead004283b8c8f5324dbf93189
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SHA1
8efe54837faf263d1f336d3b4da24cf497f614bd
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SHA256
a68fac4e3592ccf103c7db6d5302634233f4fce7a4341f0696fe52512d401512
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SHA512
571950c149095cff7fff2e61d5fb68756e7946b8d189307790b02b1a19c94f978b405cbe68637b4a811fcdfc76508e6d4cdb308d91e28b51193bb12a662fc081
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SSDEEP
12288:Ls9YrzrSoCU5qJSr1eJXU3L0amgJmw6gqAHHUzTshcvNQC:frSoCU5qJSr1eJXNhgJmw6gqmeTZvNj
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Renames multiple (1097) 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:
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_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:
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exedescription ioc process File opened (read-only) \??\H: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\J: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\M: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\P: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\U: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\B: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\E: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\L: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\R: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\V: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\W: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\Z: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\A: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\G: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\T: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\X: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\Y: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\I: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\K: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\N: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\O: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\Q: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened (read-only) \??\S: 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exedescription ioc process File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\preloaded_data.pb 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\To_Do_List.emf 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_scrapbook_Thumbnail.bmp 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\Logo.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\LICENSE 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\RESTORE_FILES.txt 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.bindings.nl_zh_4.4.0.v20140623020002.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Memories_buttonClear.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\NetworkServerControl 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\el.pak 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_es.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_ko_KR.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Guyana 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsrom.xml 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Sand_Paper.jpg 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Common Files\System\msadc\adcjavas.inc 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\license.html 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui.zh_CN_5.5.0.165303.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_Buttongraphic.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Tell_City 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.properties 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\3RDPARTY 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File created C:\Program Files\Common Files\Microsoft Shared\Filters\RESTORE_FILES.txt 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationLeft_SelectionSubpicture.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationUp_ButtonGraphic.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwresmlm.dat 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_selectionsubpicture.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\plugin.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-3 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\GMT 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\da.pak 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaBrightDemiItalic.ttf 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MST7MDT 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\license.html 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\Passport.wmv 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport_mask_right.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.core.services_1.2.1.v20140808-1251.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\softedges.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaSansDemiBold.ttf 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\epl-v10.html 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\am.pak 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\PYCC.pf 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\sRGB.pf 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\PST8PDT 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\RESTORE_FILES.txt 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\masterix.gif 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\olh.htm 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\ParentMenuButtonIcon.png 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_zh_CN.jar 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Mexico_City 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-14 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Mauritius 2024-06-05_8a4b49ead004283b8c8f5324dbf93189_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