Analysis Overview
SHA256
43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5
Threat Level: Known bad
The file 43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5 was found to be: Known bad.
Malicious Activity Summary
Ryuk
Suspicious use of NtCreateProcessExOtherParentProcess
Checks computer location settings
Adds Run key to start application
Drops file in Program Files directory
Enumerates physical storage devices
Program crash
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-20 07:58
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-20 07:58
Reported
2022-02-20 09:11
Platform
win7-en-20211208
Max time kernel
177s
Max time network
159s
Command Line
Signatures
Ryuk
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\7-Zip\Lang\mk.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Kabul | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861258748.profile.gz | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository_1.2.100.v20131209-2144.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-templates.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\high-contrast.css | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\Stationery\Seyes.emf | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DissolveNoise.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_MATTE_PAL.wmv | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\Filters.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Beulah | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Rangoon | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.text_3.9.1.v20140827-1810.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.win32.nl_zh_4.4.0.v20140623020002.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-nodes_zh_CN.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-api_ja.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\Stationery\Genko_2.emf | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_ButtonGraphic.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\VideoWall\203x8subpicture.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Juneau | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.touchpoint.eclipse_2.1.200.v20140512-1650.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-outline_zh_CN.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-templates.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Denver | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Port_of_Spain | C:\Windows\system32\taskhost.exe | N/A |
| 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\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services_1.1.0.v20140328-1925.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.simpleconfigurator.nl_zh_4.4.0.v20140623020002.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-heapwalker_ja.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\Bear_Formatted_MATTE2_PAL.wmv | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baghdad | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_ja_4.4.0.v20140623020002\about.html | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.addons.swt.nl_zh_4.4.0.v20140623020002.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\vintage.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Brunei | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui.nl_zh_4.4.0.v20140623020002.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\META-INF\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\ink\hwrdeslm.dat | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_rgb.wmv | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-ui_ja.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-api_zh_CN.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\he.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\heart_glass_Thumbnail.bmp | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Cocos | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCalls.h | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt | C:\Windows\system32\taskhost.exe | N/A |
| 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.inf | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-autoupdate-services.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-autoupdate-cli_ja.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\decorative_rule.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository_1.1.300.v20131211-1531.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.workbench.nl_ja_4.4.0.v20140623020002.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\gl.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.expressions_3.4.600.v20140128-0851.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\deployed\jdk15\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\Stationery\Soft Blue.htm | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_LOOP_BG.wmv | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_SelectionSubpicture.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Puerto_Rico | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Dushanbe | C:\Windows\system32\taskhost.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe
"C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" /f
C:\Windows\system32\reg.exe
REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" /f
Network
Files
memory/752-54-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp
memory/1228-55-0x000000013F8A0000-0x000000013FC2E000-memory.dmp
memory/1228-57-0x000000013F8A0000-0x000000013FC2E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-20 07:58
Reported
2022-02-20 09:11
Platform
win10v2004-en-20220112
Max time kernel
186s
Max time network
206s
Command Line
Signatures
Ryuk
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1844 created 2744 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\DllHost.exe |
| PID 2204 created 1548 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\BackgroundTransferHost.exe |
| PID 2024 created 2904 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" | C:\Windows\system32\reg.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\7-Zip\Lang\fi.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\en.ttt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_ko_KR.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\include\win32\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\net.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\com.jrockit.mc.feature.rcp_5.5.0.165303\feature.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mk.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nn.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\he.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyoptionaltools.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\security\java.security | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\jvm.lib | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ga.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ado\msador28.tlb | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\jaccess.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\security\java.policy | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\Ole DB\it-IT\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\com.jrockit.mc.feature.core_5.5.0.165303\feature.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\Content.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\pt-BR\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\th-TH\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\msadc\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\jfxswt.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\com.jrockit.mc.feature.console_5.5.0.165303\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\msadc\ja-JP\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Internet Explorer\images\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\af.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\an.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\et-EE\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\dropins\README.TXT | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\uk-UA\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\bin\startNetworkServer.bat | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_pt_BR.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\fonts\LucidaBrightItalic.ttf | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ado\msado25.tlb | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\images\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\com.jrockit.mc.rcp.product_5.5.0.165303\feature.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\lv.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\va.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbynet.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\fonts\LucidaTypewriterRegular.ttf | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\README-JDK.html | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\hy.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\sk-SK\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ado\es-ES\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Internet Explorer\en-US\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_ru.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derby.war | C:\Windows\system32\sihost.exe | N/A |
Enumerates physical storage devices
Program crash
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\WerFault.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\system32\WerFault.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\PersistedStorageItemTable | C:\Windows\System32\RuntimeBroker.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\PersistedStorageItemTable\System | C:\Windows\System32\RuntimeBroker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe
"C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe"
C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" /f
C:\Windows\system32\reg.exe
REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5.exe" /f
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 488 -p 2904 -ip 2904
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 460 -p 1548 -ip 1548
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 452 -p 2744 -ip 2744
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2744 -s 1012
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1548 -s 2592
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2744 -s 1012
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2904 -s 2940
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 72.21.91.29:80 | tcp |
Files
memory/2228-130-0x00007FF7F5B50000-0x00007FF7F5EDE000-memory.dmp
memory/2528-131-0x00007FF7F5B50000-0x00007FF7F5EDE000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\AC\BackgroundTransferApi\2e2866ff-09db-427a-af72-33efc7e64417.down_data
| MD5 | 277045b438381976db11df58d45356e8 |
| SHA1 | 061ba64b6dad4e3b79530d9c0f0ba68d0039f824 |
| SHA256 | 53f323bb21ed9bf93e5763be0260db87433256dd40b7f3768cb15f5570b305a4 |
| SHA512 | b86f64924592649d2a1164404abc1acedf535fb6bc9f7b048392771484e97f2833ee282652096e6906f9fa0918f4dc031fefda3f0f5b42a7ea18d40fb34125b7 |