Analysis Overview
SHA256
aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35
Threat Level: Known bad
The file aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35 was found to be: Known bad.
Malicious Activity Summary
Suspicious use of NtCreateProcessExOtherParentProcess
Ryuk
Checks computer location settings
Adds Run key to start application
Drops file in Program Files directory
Enumerates physical storage devices
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-20 03:29
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-20 03:29
Reported
2022-02-20 03:45
Platform
win10v2004-en-20220112
Max time kernel
170s
Max time network
207s
Command Line
Signatures
Ryuk
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 64 created 2760 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\DllHost.exe |
| PID 4044 created 2936 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe |
| PID 3424 created 3936 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\system32\backgroundTaskHost.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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\\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe" | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | 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\el.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\resources.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ro-RO\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ja-JP\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ja.txt | 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\System\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\Ole DB\ja-JP\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\applet\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\sound.properties | 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\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\bin\dtplugin\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\messages_zh_CN.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\Common Files\System\ado\adovbs.inc | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\javaws.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pt-br.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\es-MX\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\bin\NetworkServerControl.bat | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\bin\setNetworkClientCP | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\classlist | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\messages_pt_BR.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\en-GB\RyukReadMe.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\Common Files\microsoft shared\ink\ipskor.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\LICENSE | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mng2.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_de_DE.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\messages_sv.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ast.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui | 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\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\feature.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\gl.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fy.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\bin\sysinfo | 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\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\epl-v10.html | 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\System\Ole DB\fr-FR\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\System\ado\msado27.tlb | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\bin\sysinfo.bat | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_zh_TW.jar | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\flavormap.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\images\cursors\cursors.properties | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\jre\lib\jfr\profile.jfc | 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\Common Files\microsoft shared\ink\ipsid.xml | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\configuration\org.eclipse.equinox.simpleconfigurator\bundles.info | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\RyukReadMe.txt | C:\Windows\system32\sihost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ko.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 |
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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
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\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.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\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe
"C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe" /f
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 2760 -ip 2760
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 464 -p 2936 -ip 2936
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 496 -p 3936 -ip 3936
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2760 -s 356
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2936 -s 2124
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2760 -s 356
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3936 -s 1804
Network
| Country | Destination | Domain | Proto |
| NL | 104.80.224.57:443 | tcp |
Files
memory/2236-130-0x00007FF799600000-0x00007FF79998D000-memory.dmp
memory/3936-131-0x00007FF799600000-0x00007FF79998D000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\1645332205
| MD5 | b170f58244cf6788e4fbbfb319bafab9 |
| SHA1 | e00c5fd880a0cbb32cac151cc3e1ad01d15e1a90 |
| SHA256 | 4bbbea997a5f78d12d885b184c8fc98b5064659b8b41473c1d3fa8a639264893 |
| SHA512 | 7b0114ceaef3951177cd91798ed8d070da2431116b3a3aaab8cc62a2019f2d2583cf721ced69f075428f80e8d2fbfc84c2437a5daeaa02923da3981d764128a9 |
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-20 03:29
Reported
2022-02-20 03:48
Platform
win7-en-20211208
Max time kernel
170s
Max time network
42s
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\\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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 (x86)\Microsoft Office\CLIPART\PUB60COR\BL00269_.WMF | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ja-jp-sym.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\menu_style_default_Thumbnail.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\IA32.api | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Cultures\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\Stationery\ShadesOfBlue.jpg | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\ICE\PREVIEW.GIF | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Internet Explorer\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\RyukReadMe.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.feature_3.9.0.v20140827-1444\feature.properties | C:\Windows\system32\taskhost.exe | N/A |
| 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\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\Pacific\Pago_Pago | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\mk\LC_MESSAGES\vlc.mo | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00135_.WMF | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Title_Page_Ref_PAL.wmv | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\rt.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\America\La_Paz | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ga.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.alert.zh_CN_5.5.0.165303.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-filesystems.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-snaptracer.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\security\US_export_policy.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\SaveAsRTF.api | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\1033\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\audiodepthconverter.ax | 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.model.workbench_1.1.0.v20140512-1820.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\dark\e4-dark_globalstyle.css | 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-lib-uihandler.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ja_5.5.0.165303.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-uihandler_ja.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\1033\VBLR6.CHM | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\ink\ipskor.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationLeft_ButtonGraphic.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\South_Georgia | 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.ssl.feature_1.0.0.v20140827-1444\epl-v10.html | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Ho_Chi_Minh | 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-core-kit_zh_CN.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\sv\LC_MESSAGES\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\WATER\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\THIRDPARTYLICENSEREADME.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\Africa\Abidjan | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\bn\LC_MESSAGES\vlc.mo | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\CIEXYZ.pf | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\zi\Europe\Luxembourg | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\lua\http\images\Video-48.png | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Orange Circles.htm | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.jdp.zh_CN_5.5.0.165303.jar | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-modules-appui.xml | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\locale\hr\LC_MESSAGES\vlc.mo | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\InfoPath.en-us\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\IRIS\PREVIEW.GIF | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Winnipeg | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME.txt | C:\Windows\system32\taskhost.exe | N/A |
| 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\bookicon.gif | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\QUAD\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\Triedit\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Internet Explorer\es-ES\RyukReadMe.txt | C:\Windows\system32\taskhost.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.rcp_5.5.0.165303\feature.properties | 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.intro.nl_ja_4.4.0.v20140623020002.jar | 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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe
"C:\Users\Admin\AppData\Local\Temp\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.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\aa76633d91e96a6e583883381639329afc97f8bbda699c74577f32f35610df35.exe" /f
Network
Files
memory/1164-54-0x000007FEFC451000-0x000007FEFC453000-memory.dmp
memory/1256-55-0x000000013FCE0000-0x000000014006D000-memory.dmp
memory/1256-57-0x000000013FCE0000-0x000000014006D000-memory.dmp