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Analysis
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max time kernel
119s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 06:42
Static task
static1
Behavioral task
behavioral1
Sample
3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe
Resource
win10v2004-20240802-en
General
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Target
3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe
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Size
2.3MB
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MD5
8834f733c6f453b90c96ccae549de200
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SHA1
154b1b87dca936784a3c618b1f1d1bc0eff05d87
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SHA256
3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8
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SHA512
187c3923210dd9de13ec0a154a045d74b10e52b0fdc04100940d5c7fe3b34388e066735507a721ae89c140002bfbadd567a3cb8e97a07062a401ee1640676f70
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SSDEEP
49152:ojvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:orkI9rSjA5aDo73pzF2bz3p9y4HgIoov
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\drivers\gmreadme.txt smnss.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000700000002342b-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 732 ctfmen.exe 5076 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 5076 smnss.exe -
Reads user/profile data of web browsers 3 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 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" smnss.exe -
Enumerates connected drives 3 TTPs 19 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\Q: smnss.exe -
Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 smnss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\tcpbidi.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPCL6-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-PDC.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\Tokens_SR_en-US-N.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml smnss.exe File created C:\Windows\SysWOW64\grcopy.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc smnss.exe File created C:\Windows\SysWOW64\satornas.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms001.inf_amd64_8bc1bda6cf47380c\MXDW-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wbem\xsl-mappings.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\default.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsXPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\SysWOW64\AppxProvisioning.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.xml smnss.exe File opened for modification C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File created C:\Windows\SysWOW64\shervans.dll 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml smnss.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\potscfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_x86_360f6f3a7c4b3433\I386\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.xml smnss.exe File opened for modification C:\Windows\SysWOW64\F12\Timeline.cpu.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\cmnicfg.xml smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\tsprint.inf_amd64_6066bc96a5f28b44\tsprint-PipelineConfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml smnss.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
pid Process 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe 5076 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL081.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN105.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\COPYING.txt smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Services.Store.Engagement_10.0.18101.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL011.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\lv-LV\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\DSMESSAGES.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN020.XML smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\vlm.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL119.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN022.XML smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\tracedefinition130.xml smnss.exe File opened for modification C:\Program Files\Windows Media Player\Media Renderer\RenderingControl.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ko-KR\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sw-KE\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\insertbase.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial-Times New Roman.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\lpklegal.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Pester.help.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceYi.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\manifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\es-MX\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml smnss.exe File opened for modification C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL012.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-12.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\acr_error.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\needie.html smnss.exe File opened for modification C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowMicrosoft.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\404-8.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\dom.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_0e2f6adb2cec6f62\Report.System.Network.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\401.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\LearnMore.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\speech\4009\tokens_enIN.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\surfaceHubDeviceUser\view\main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_hyperv-containerlicense_31bf3856ad364e35_10.0.19041.1_none_0b9d42260da91e9d\License.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\OobeAntiTheft-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\roamingDisambiguation.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\DisableAboutFlag.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\default.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\404-6.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\401.htm smnss.exe File opened for modification C:\Windows\Globalization\Time Zone\timezoneMapping.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\startfresh.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\10.txt smnss.exe File opened for modification C:\Windows\PLA\Rules\Rules.System.NetTrace.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_dual_prnms004.inf_31bf3856ad364e35_10.0.19041.1_none_f59945c05aa85d79\Amd64\unisharev4-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\401.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\f12host.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\http_400.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_en-GB.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\Alphabet.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-wmpnss-service_31bf3856ad364e35_10.0.19041.1_none_b977d9566df127e9\ContentDirectory.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobesettings-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_dual_prnms012.inf_31bf3856ad364e35_10.0.19041.1_none_a3feabb281faa7e4\Amd64\MSIPP.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\404-6.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\http_404.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\http_404.htm smnss.exe File opened for modification C:\Windows\WinSxS\Temp\PendingDeletes\6c9d684736e5d701aea100001815341f.NavigationTypes.namespace.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\500-17.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\406.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\LearnMore.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoftwindows-un..keddevkit.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c9d08284ca03f3d7\AppxManifest.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.Performance.xml smnss.exe File opened for modification C:\Windows\PLA\Templates\WDAC_Diagnostics.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AddSuggestedFoldersToLibraryDialog_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\24.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\retailDemoSetup.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_it-it_f8576122041e54e0\Rules.System.Performance.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\6.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..ialoghost.appxsetup_31bf3856ad364e35_10.0.19041.1_none_98303264c7bf3dbf\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-deliveryoptimization_31bf3856ad364e35_10.0.19041.1266_none_3f1ff4ad7c364440\2213703c9c64cc61ba900531652e23c84728d2a2.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\401-3.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\http_gen.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_es-es_6b77f4dc3a1a5900\Report.System.CPU.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-editions-professional_31bf3856ad364e35_10.0.19041.264_none_ba5e4a287945a683\EditionMappings.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\unknownprotocol.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-netfx3-core_31bf3856ad364e35_10.0.19041.1_none_1d91dc8d797e6bdb\FrameworkList.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\en-US\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\views\cortana.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-light-contentview-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\OEMRegistration.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..rymanager.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_f52dbf51d6536fa6\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_en-IN.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\es-ES\Report.System.Configuration.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\servbusy.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-5.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-iis-sharedlibraries_31bf3856ad364e35_10.0.19041.1_none_c6da8048542fddc7\ftp_rscaext.xml smnss.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ctfmen.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smnss.exe -
Modifies registry class 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" smnss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5076 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 5076 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2268 wrote to memory of 732 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 82 PID 2268 wrote to memory of 732 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 82 PID 2268 wrote to memory of 732 2268 3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe 82 PID 732 wrote to memory of 5076 732 ctfmen.exe 83 PID 732 wrote to memory of 5076 732 ctfmen.exe 83 PID 732 wrote to memory of 5076 732 ctfmen.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe"C:\Users\Admin\AppData\Local\Temp\3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Windows\SysWOW64\smnss.exeC:\Windows\system32\smnss.exe3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5076
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD5298950dd2d73cb4cf14d36216b832652
SHA1f8d92ad8142353e5d8d06104673a16e57ecfa52f
SHA256a7db2e0d2dccca53ae8ee99cbb0494447cbcdd9541f45e0d0f1a40ae13edacce
SHA5122d29e55ab13c7cba98de38366d47804b60b9730559b8a7b5b774c209f23491a71862a26d1cf608909e0009fce01484aac506e805eef7ee09f67e046bd0153488
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Filesize
2.3MB
MD5c4577274c6138a1499330098d83a0ff1
SHA145d07708b8d509824ecb312a6208a65912b966ec
SHA2562a4167b1816ebee8eca384e42a32629adacc3b1ce63476183bd74d8b1f58ae35
SHA512989b9ef1644b82764342eb48cc5d591c2c992a1c3050e37d74e4cfe790316f5dff97527aa1f812aec045c7dfb7c6f68d075332a1a0caa0307750e9a566adfbc9
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Filesize
183B
MD51cdf7d0ae07baff986f38552cf1b256f
SHA1d916e62f9ca34d61255357568347a567c3eebe48
SHA25614605c3be5aeaf0c7cdf202c61b2502d5fed1b3ab116fd30da5526ff7f56d3f7
SHA5121a1aea061d825f01012740e4eb5fc9227c40752fa2ef9ffd245eb040e2125fc0799eb27c25bf92b062df42f6f336626ce80e982fbbfabb2db4446bbe15fea02e
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Filesize
8KB
MD5971262377565124d34ec269006a612aa
SHA125c36043d01e77ad5b58c2265893c535b50f9ad2
SHA25696d28717b0527399bd8627efb9854ffbe3c1f143f77047fbe955b4be61cacb2c
SHA5121d1759bf7dde4d75166eb614f9205994b50a7e5c9566b3d41f45676ca2ded12285d2780b4e06dd37e54f8c95784c1b4924b2fdb92314ccd2646187dc1e788e26