Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
02-03-2024 05:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe
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Size
664KB
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MD5
27b6871781a6f167dc47e5ef5e3a3d6f
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SHA1
882cf9ffa4f734ed9fa03ffc4b3850eebd2c56a9
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SHA256
204e1125aab1074be4218c963c61a1dec1af0dd0b8df051f02d38fee15c623a3
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SHA512
95c37f097eb841f5770cbdcc44b38aebbefcb2a4fb1e4e6903a8b051a841f8dd94a77a4734807685d2c682cc00ea547367684d9986c135d89be1b68a34bc0352
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SSDEEP
12288:Ts9LjX1SoCU5qJSr1eJYUZ5isO0+ZNtgkAYHUzTshLkwEsYO+:gZSoCU5qJSr1eJYrv0+ZNtgkpeTcC
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Renames multiple (1974) 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:
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_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:
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exedescription ioc process File opened (read-only) \??\O: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\U: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\A: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\E: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\H: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\V: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\W: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\Z: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\L: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\S: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\T: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\M: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\P: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\X: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\I: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\J: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\K: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\Q: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\R: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\Y: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\B: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\G: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened (read-only) \??\N: 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exedescription ioc process File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\derby_common.bat 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\META-INF\eclipse.inf 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.commons.codec_1.6.0.v201305230611.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director.nl_zh_4.4.0.v20140623020002.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DissolveNoise.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\GrantMeasure.potm 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.ja_5.5.0.165303.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_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\title.htm 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-favorites.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_zh_CN.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-previous-static.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_LOOP_BG.wmv 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\US_export_policy.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\te.pak 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\org.eclipse.update\platform.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_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\MANIFEST.MF 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-output2.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrenclm.dat 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Notes_content-background.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Perf_Scenes_Subpicture1.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiler_ja.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\RESTORE_FILES.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-api-caching.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationLeft_SelectionSubpicture.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Samarkand 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.text.nl_zh_4.4.0.v20140623020002.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\NetworkServerControl 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.application.zh_CN_5.5.0.165303.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-text_ja.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-windows.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-jmx.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File created C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\RESTORE_FILES.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\directshowtap.ax 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\1047x576black.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-util-enumerations.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationUp_ButtonGraphic.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\button-bullet.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoBeta.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\jsse.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_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\META-INF\MANIFEST.MF 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.controlpanel.ui.ja_5.5.0.165303.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.servlet_3.0.0.v201112011016.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.engine_2.3.0.v20140506-1720.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\uk-UA\RESTORE_FILES.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.text.nl_ja_4.4.0.v20140623020002.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File created C:\Program Files\Java\jre7\RESTORE_FILES.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Kamchatka 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\RESTORE_FILES.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-remote_ja.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\menu_style_default_Thumbnail.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\15x15dot.png 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-profiling.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-application_zh_CN.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\dt.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-charts_zh_CN.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_zh_CN.jar 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-text.xml 2024-03-02_27b6871781a6f167dc47e5ef5e3a3d6f_ryuk.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\7-Zip\Lang\RESTORE_FILES.txtFilesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d
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memory/2072-3-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB
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memory/2072-1-0x00000000000D0000-0x00000000000D7000-memory.dmpFilesize
28KB
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memory/2072-0-0x0000000000100000-0x0000000000104000-memory.dmpFilesize
16KB
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memory/2072-8-0x0000000000100000-0x0000000000104000-memory.dmpFilesize
16KB
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memory/2072-4-0x000000013F160000-0x000000013F1F7000-memory.dmpFilesize
604KB
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memory/2072-10-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB
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memory/2072-12-0x00000000000F0000-0x00000000000F5000-memory.dmpFilesize
20KB