Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2025, 19:04
Static task
static1
Behavioral task
behavioral1
Sample
8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe
Resource
win10v2004-20241007-en
General
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Target
8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe
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Size
2.3MB
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MD5
5402a46941608bd1e81274bfda3d0a4e
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SHA1
481fa76b077c03a3cb6c7c9487f54cf2d7d27de4
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SHA256
8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2
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SHA512
5d5cf8fd3b6d151e287fa2205941b44e6a2abd0d1653f1a71e5c28f6173532471cba7e0bcba7b1d47152de602e59d7da02f8c2ed9cd311b5375fe45d60c69185
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SSDEEP
49152:88F4GBYEFMfVrt0HdZyZUKIKp9/bIA3e63wDknToN58zkfwHuVfcu5ZJFKsnfKUv:88F4GBY3dR0HHyZ9p9DIAvADkQ8gfwO7
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/0x000a000000023baf-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 2004 ctfmen.exe 1148 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 1148 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" 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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) \??\L: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\M: 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 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 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File created C:\Windows\SysWOW64\shervans.dll 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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\Speech_OneCore\Common\it-IT\tokens_TTS-it-IT.xml 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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\fr-FR\Tokens_SR_fr-FR-N.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\ja-JP\Tokens_SR_ja-JP-N.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\MSPWGR.xml 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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.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\icsxml\cmnicfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\fr-FR\tokens_TTS_fr-FR_hortense.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\it-IT\Tokens_SR_it-IT-N.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_devmode_map.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\de-DE\tokens_TTS_de-DE_hedda.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\en-US\tokens_TTS_en-US.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wbem\xsl-mappings.xml smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe File created C:\Windows\SysWOW64\smnss.exe 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\ipcfg.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\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\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\de-DE\tokens_TTS_de-DE.xml smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File opened for modification C:\Windows\SysWOW64\AppxProvisioning.xml smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.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\ctfmen.exe 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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\SysWOW64\Speech_OneCore\Common\es-ES\tokens_TTS_es-ES_helena.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\potscfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\es-ES\tokens_TTS_es-ES.xml smnss.exe File created C:\Windows\SysWOW64\satornas.dll 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe File created C:\Windows\SysWOW64\smnss.exe 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\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File opened for modification C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\es-ES\Tokens_SR_es-ES-N.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\fr-FR\tokens_TTS_fr-FR.xml smnss.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\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsXPS-pipelineconfig.xml 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\SysWOW64\Speech_OneCore\Common\ja-JP\tokens_TTS_ja-JP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
pid Process 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe 1148 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml smnss.exe File opened for modification C:\Program Files\dotnet\LICENSE.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN044.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\fr-FR\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\manifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceTigrinya.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense_eula.txt 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.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-100_kzf8qxf38zg5c\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\networkmanifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\en-us\onenote_whatsnew.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\index.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\he-IL\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml 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\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\BuildInfo.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinTranslator.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\BuildInfo.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft.NET\RedistList\AssemblyList_4_extended.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\be-BY\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\msapp-error.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN096.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_2019.305.632.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Word.Word.x-none.msi.16.x-none.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.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.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\NOTICE.TXT smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\README.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-002C-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\manifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\vpaid.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinAgaveCommands.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.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\PAGESIZE\PGMN109.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Services.Store.Engagement_10.0.18101.0_x86__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Pester.help.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32mui.msi.16.en-us.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.VisualElementsManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\da-DK\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-editions-professional_31bf3856ad364e35_10.0.19041.1288_none_51444fcfcf940a66\ProfessionalSingleLanguageEdition.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\403-14.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\f12host.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\pdferrorquitapplicationguard.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-management-oobe_31bf3856ad364e35_10.0.19041.1266_none_e6ebbe2a02425392\autopilotespprogress-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_de-de_c2bbc1ff4b155b96\Rules.System.Diagnostics.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.Wired.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..tscontrol.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_bcf0807cccfa0873\f\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-w..for-management-core_31bf3856ad364e35_10.0.19041.1288_none_3f2d1be96237886e\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_en-us_6bac97f839f3675b\Rules.System.Common.xml 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.Performance.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-GB.xml smnss.exe File opened for modification C:\Windows\Logs\MoSetup\ActionList.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_it-it_f8576122041e54e0\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\enterpriseNgcEnrollment\views\enterpriseNgcEnrollment.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-apprep-chxapp.appxmain_31bf3856ad364e35_10.0.19041.423_none_15f557c171018574\baseTemplate.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\retailDemoSecurityInclusive.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\500-14.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.Network.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\fr-FR\Rules.System.Network.xml smnss.exe File opened for modification C:\Windows\servicing\Sessions\31135901_2933123281.back.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-n..uickstart.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c81408a27d1805ca\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-provisioning-core_31bf3856ad364e35_10.0.19041.153_none_95ba73d08e5f739c\categories.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\acr_error.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..tscontrol.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_bcf0807cccfa0873\f\AppxManifest.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\http_403.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.XboxGameCallableUI_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..sslockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_7014825cdc7916b8\f\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_f26c7822f88d3a15\OOBE_HELP_Opt_in_Details.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\23.txt smnss.exe File opened for modification C:\Windows\WaaS\tasks\5ffea6126f02e78b9099eb4614d2d339f03ca5a8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\BlockSite.htm smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.Memory.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-ecapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_6d4be35dd691e117\r\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\403-1.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\404-11.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.1_none_f830216e59eee182\tokens_enCA.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-oobe-firstlogonanim_31bf3856ad364e35_10.0.19041.1023_none_c83dd8e4f085dd16\FirstLogonAnim.html smnss.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config\NetFx40_IIS_schema_update.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\ja-JP\Report.System.Disk.xml smnss.exe File opened for modification C:\Windows\WinSxS\wow64_microsoft.powershell.pester_31bf3856ad364e35_10.0.19041.1_none_9478227a478f23d5\about_Mocking.help.txt 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\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\oskclearuibase.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\401.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\http_501.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_411a61445fd08261\r\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_fr-CA.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\oskmenu.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-deliveryoptimization_31bf3856ad364e35_10.0.19041.1266_none_3f1ff4ad7c364440\f\2213703c9c64cc61ba900531652e23c84728d2a2.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_e712e6b5052a090d\Rules.System.Wired.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-textinput-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-coresystem-wpr_31bf3856ad364e35_10.0.19041.746_none_4028b8f4f6c0b829\wpr.config.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\404-2.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-4.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_de-de_c2bbc1ff4b155b96\Rules.System.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-printdialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_a682193ea7614721\appxmanifest.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\unifiedEnrollment\views\unifiedEnrollment.html smnss.exe File opened for modification C:\Windows\WaaS\services\20bbcadaff3e0543ef358ba4dd8b74bfe8e747c8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\keypad.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\fr-FR\Rules.System.Wired.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.AccountsControl_cw5n1h2txyewy\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\acr_error.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..sslockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_7014825cdc7916b8\f\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\412.htm 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 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1148 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 1148 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 552 wrote to memory of 2004 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 83 PID 552 wrote to memory of 2004 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 83 PID 552 wrote to memory of 2004 552 8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe 83 PID 2004 wrote to memory of 1148 2004 ctfmen.exe 84 PID 2004 wrote to memory of 1148 2004 ctfmen.exe 84 PID 2004 wrote to memory of 1148 2004 ctfmen.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe"C:\Users\Admin\AppData\Local\Temp\8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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:552 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004 -
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:1148
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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
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Downloads
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Filesize
4KB
MD59ae67c00dfa914f300b15888575a3250
SHA11f38aaadb98b4debb7b0870760d1928d115c9072
SHA25692d198c48f2aae6923ca94031ea9c8b81d3f75ca2867db471f9d7b1e8ea25006
SHA51202892829a1e04bafbcfc3e5ca706d2d51049781ec5791a53bc2a3e7e2a0ca5365020558f86ddbe233a2e8e27e260ec249550d3f55af6bbe4150773b3220041b8
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Filesize
2.3MB
MD584eb340aec021a91017aa8462ecec964
SHA1e5ae1b9dac031d5a608328d257c58abb5a382293
SHA256201d580e34154f38e645cae024e7266780b85f5a1ff03cbbdd3fabf950744522
SHA5123278306e0e480dd9972e6a88d5523a21e90ddc4cf7815a5f0ac22aa2c3cb4ae8c89aee11e418c0ea5a960187e26acab29ce6243ec45b69a8ee0b061d16b931cb
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Filesize
183B
MD5edbbb80ebc220b3832df1d5ac3852d77
SHA16e8966128bcd32cfaf7f0080fd9e28c06555f39d
SHA256f1b1f3f289a2aac6260db6b2e2ff7f153f5b4948a321d7dfbed1a3ba1430b9f2
SHA5122099ab1392d29dbf84847fef904a8d9f7285193134e1b988fb4e5fdf479fcc1d340aa74f68d1bd5de66841315a066e472980367ceddf178c551119938ad4502e
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Filesize
8KB
MD560fc4ae2fcd232dd0fa9b760d1c4c35c
SHA1501ef531b5e134d8f0827dfb2fac13cc07d240ec
SHA256cfb9d3bfaab3fbb626308a1806ab79e4a99be24c5db88e2bde9a95b724ccb06b
SHA512f36de83367faec81a9e31946d709a19db7e28fa57448ee3d01afc448f8cbccdad012bc0611bc86a2339f661a68ff2aa1f8b367be92a507f228ccba8abac1d54f