Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11-06-2024 14:50
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
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Size
664KB
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MD5
33c3889ae6b99f79dd0427113d284974
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SHA1
cadda4b56c8a8bf270babb7b9fffecd860a83130
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SHA256
2223f682e4dd3bbf82bfa2334026041398df0e96ee254a5f21f667094fd83b67
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SHA512
41fd3a0ab5d7e3b0f661c8ae85a4bb8113166e834568aa5f3af7fe40816732b6649c8969c5fdee83bd5e29c20327a26a5060f7814dc6d755af328348118d23d9
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SSDEEP
12288:8s9cUZSSoCU5qJSr1eSdUMPEC1J51cntg2A9HUzTshsI057wiYDDbj:cpSoCU5qJSr1eSd6CJ5Ontg2IeTDlWDb
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Renames multiple (1466) 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:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-11_33c3889ae6b99f79dd0427113d284974_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:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process File opened (read-only) \??\O: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\S: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\W: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Y: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\I: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\J: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\L: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\P: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\R: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\A: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\E: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\G: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\M: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\T: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\U: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\V: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\B: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\H: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\K: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\N: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Q: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\X: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Z: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process File opened for modification C:\Program Files (x86)\Windows NT\Accessories\wordpad.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Yerevan 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+12 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\META-INF\ECLIPSE_.RSA 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.beans.nl_zh_4.4.0.v20140623020002.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.htm 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Notes_LOOP_BG.wmv 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\softedges.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.transport.ecf_1.1.0.v20140408-1354.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\da.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbynet.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox.nl_ja_4.4.0.v20140623020002.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\diagnostic-command-16.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\th.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Indianapolis 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.intro.ja_5.5.0.165303.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_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\prodicon.gif 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.ui.nl_zh_4.4.0.v20140623020002.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-options-api.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Singapore 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\ct.sym 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\Madeira 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\org.eclipse.equinox.simpleconfigurator\bundles.info 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\license.html 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.p2.ui.overridden_5.5.0.165303.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwritash.dat 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\tzmappings 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationUp_SelectionSubpicture.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsrom.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\SecretST.TTF 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\Full\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\net.properties 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\HST10 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrusalm.dat 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipscat.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.bidi_0.10.0.v20130327-1442.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository.nl_zh_4.4.0.v20140623020002.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_VideoInset.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Malta 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.identity_3.4.0.v20140827-1444.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.text_3.5.300.v20130515-1451.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\highlight.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogo.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\icons\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-next-static.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.rcp.ja_5.5.0.165303\feature.properties 2024-06-11_33c3889ae6b99f79dd0427113d284974_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 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.ja_5.5.0.165303.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.filesystem_1.4.100.v20140514-1614.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\join.avi 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_photo_Thumbnail.bmp 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\New_York 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\New_Salem 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.commands.nl_ja_4.4.0.v20140623020002.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\GreenBubbles.jpg 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Memo.emf 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Internet Explorer\images\bing.ico 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\Microsoft Shared\MSInfo\ja-JP\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Program Files\7-Zip\Lang\RESTORE_FILES.txtFilesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d
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memory/2908-8-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB
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memory/2908-7-0x0000000000100000-0x0000000000104000-memory.dmpFilesize
16KB
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memory/2908-6-0x00000000000D0000-0x00000000000D7000-memory.dmpFilesize
28KB
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memory/2908-4-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB
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memory/2908-3-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB
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memory/2908-2-0x000000013F520000-0x000000013F5B7000-memory.dmpFilesize
604KB
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memory/2908-0-0x0000000000100000-0x0000000000104000-memory.dmpFilesize
16KB