Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2024 08:04
Static task
static1
Behavioral task
behavioral1
Sample
26aafd22341f603cbc8f27be3e929670N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
26aafd22341f603cbc8f27be3e929670N.exe
Resource
win10v2004-20240802-en
General
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Target
26aafd22341f603cbc8f27be3e929670N.exe
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Size
2.3MB
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MD5
26aafd22341f603cbc8f27be3e929670
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SHA1
9bb383c4376551d181a8481b9d73424a08d88739
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SHA256
6940cf3612570fb09d58cc23a64fbe99ba460f0a4a59fcc393adbdec274f7077
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SHA512
633233e5eb0a9ee9248fe147d81b94095b23cb3aca2dbfd9ffd79ff0c3d29b9653843b44c8de4dbdd9582892f895906c7646e77ba86d90fcaaa94098bf9ae67a
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SSDEEP
49152:Djvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:DrkI9rSjA5aDo73pzF2bz3p9y4HgIoov
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/0x0007000000023487-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 1984 ctfmen.exe 4900 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 4464 26aafd22341f603cbc8f27be3e929670N.exe 4900 smnss.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" smnss.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" 26aafd22341f603cbc8f27be3e929670N.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) \??\N: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\K: 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 26aafd22341f603cbc8f27be3e929670N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 26aafd22341f603cbc8f27be3e929670N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 26aafd22341f603cbc8f27be3e929670N.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File created C:\Windows\SysWOW64\zipfiaq.dll 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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.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\Speech_OneCore\Common\en-US\tokens_TTS_en-US.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\wbem\xsl-mappings.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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.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\F12\Timeline.cpu.xml smnss.exe File opened for modification C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 26aafd22341f603cbc8f27be3e929670N.exe File created C:\Windows\SysWOW64\grcopy.dll 26aafd22341f603cbc8f27be3e929670N.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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.xml 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\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 26aafd22341f603cbc8f27be3e929670N.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\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-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\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File created C:\Windows\SysWOW64\shervans.dll 26aafd22341f603cbc8f27be3e929670N.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\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-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\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-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_devmode_map.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\en-US\Tokens_SR_en-US-N.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt smnss.exe File created C:\Windows\SysWOW64\satornas.dll 26aafd22341f603cbc8f27be3e929670N.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\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 26aafd22341f603cbc8f27be3e929670N.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 26aafd22341f603cbc8f27be3e929670N.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe 26aafd22341f603cbc8f27be3e929670N.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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\potscfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.xml smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File opened for modification C:\Windows\SysWOW64\AppxProvisioning.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 26aafd22341f603cbc8f27be3e929670N.exe File created C:\Windows\SysWOW64\smnss.exe 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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\default.help.txt smnss.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
pid Process 4464 26aafd22341f603cbc8f27be3e929670N.exe 4464 26aafd22341f603cbc8f27be3e929670N.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe 4900 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\README.txt smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Dictionaries\en_GB\README.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\notice.txt 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 (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\win\CP1258.TXT smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\view.html 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\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\BuildInfo.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\ODBCMESSAGES.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN002.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\7-Zip\Lang\da.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sk.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.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\Microsoft Office\root\Office16\PAGESIZE\PGLBL103.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\en-GB\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\TURKISH.TXT smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPack2019Eula.txt smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\batch_window.html smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\GREEK.TXT smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sw.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\sdxs.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\bg-BG\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinLearningToolsLocal.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\win\CP1251.TXT smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL020.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\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sk-SK\View3d\3DViewerProductDescription-universal.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\zh-tw.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL027.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL044.XML 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\Windows NT\TableTextService\TableTextServiceTigrinya.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL048.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\WebviewOffline.html smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_CA.txt 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\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\http_410.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1_none_3c8b1d422130f806\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.CPU.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobekeyboard-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftOffice2013Office365Win32.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobeeula-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\412.htm smnss.exe File opened for modification C:\Windows\PLA\Rules\de-DE\Rules.System.Summary.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AppRep.ChxApp_cw5n1h2txyewy\appxmanifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\startfresh.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipsfra.xml smnss.exe File opened for modification C:\Windows\Microsoft.NET\assembly\GAC_64\Microsoft.ConfigCI.Commands\v4.0_10.0.0.0__31bf3856ad364e35\DefaultWindows_Audit.xml smnss.exe File opened for modification C:\Windows\WaaS\services\20bbcadaff3e0543ef358ba4dd8b74bfe8e747c8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..trolpanel.appxsetup_31bf3856ad364e35_10.0.19041.1_none_13506cbfd4a8499f\appxblockmap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\forbidframingedge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-maintenancediagnostic_31bf3856ad364e35_10.0.19041.1_none_3fe01118a9018735\MaintenanceDiagnostic.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_en-us_6bac97f839f3675b\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..rastructureconsumer_31bf3856ad364e35_10.0.19041.1_none_69cd9c22cfcf9358\Rules.System.Summary.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_411a61445fd08261\AppxManifest.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\it-IT\Rules.System.Performance.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\500-13.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\403-11.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\pdferrorunknownerror.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\http_501.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-u..stratorcore-service_31bf3856ad364e35_10.0.19041.1_none_53df33422e430608\43ee7b2a373632f9a701249fd96d0edec2ff1279.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\BingConfiguration\BingConfiguration_pt-BR.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\4.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-w..bviewhost.appxsetup_31bf3856ad364e35_10.0.19041.1_none_5391427554e17127\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\en-US\Report.System.Disk.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\403-16.htm smnss.exe File opened for modification C:\Windows\servicing\Sessions\Sessions.xml smnss.exe File opened for modification C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\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\500-18.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\ea-sym.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-wlansvc.resources_31bf3856ad364e35_10.0.19041.1_it-it_806160a7ffa356b1\Rules.System.Wireless.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\WpcBlockFrame.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\pdferrordisabledforregion.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\templates\oobe-button-template.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-footer-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-9.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..olsclient.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_fe9996dc5d311970\f\AppxManifest.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\needhvsi.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\unifiedEnrollmentFinished.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-wmpnss-service_31bf3856ad364e35_10.0.19041.746_none_e180169f2d62e633\ContentDirectory.xml 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\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\unifiedEnrollmentDiscovery.html 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.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-trustedinstaller_31bf3856ad364e35_10.0.19041.153_none_6ef8a222ac00dbc2\f\20bbcadaff3e0543ef358ba4dd8b74bfe8e747c8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\navcancl.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\12.txt smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\es-ES\Rules.System.Wired.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\hstscerterror.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\http_403.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\invalidcert.htm 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-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_en-us_bd09b79dd70edace\Report.System.Wired.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-17.htm 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\PLA\Rules\en-US\Rules.System.Wireless.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..modernappmanagement_31bf3856ad364e35_10.0.19041.1_none_650d2aacd099e9c0\EnterpriseModernAppManagementDDF.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\unifiedEnrollmentProgress.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..ment-enterprisecsps_31bf3856ad364e35_10.0.19041.1151_none_c10310d293c6ec98\CertificateStore_DDF.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 26aafd22341f603cbc8f27be3e929670N.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" smnss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 26aafd22341f603cbc8f27be3e929670N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 26aafd22341f603cbc8f27be3e929670N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 26aafd22341f603cbc8f27be3e929670N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 26aafd22341f603cbc8f27be3e929670N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 26aafd22341f603cbc8f27be3e929670N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4900 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4464 26aafd22341f603cbc8f27be3e929670N.exe 4900 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4464 wrote to memory of 1984 4464 26aafd22341f603cbc8f27be3e929670N.exe 91 PID 4464 wrote to memory of 1984 4464 26aafd22341f603cbc8f27be3e929670N.exe 91 PID 4464 wrote to memory of 1984 4464 26aafd22341f603cbc8f27be3e929670N.exe 91 PID 1984 wrote to memory of 4900 1984 ctfmen.exe 92 PID 1984 wrote to memory of 4900 1984 ctfmen.exe 92 PID 1984 wrote to memory of 4900 1984 ctfmen.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.exe"C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.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:4464 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984 -
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:4900
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD53ecbc030f30e982dbfca6c6b33de45c9
SHA1d832b8539a0bfb18409b3ea0f542e8eedc8fe0c6
SHA256d62d4cf533aeb3fdada3fb705ee6d4581e3578045a4b4efff20b8abb4ea5ad2e
SHA51270a26963ff35389b465906155391b3d085258ff8fa1a657db74dece5998ce16686f4f88104e3f5b0ba697c66008f1547966105a83a62e0b9403ac9fdfbda34aa
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Filesize
2.3MB
MD50cdc021300a34def3cb851d97bffc80c
SHA1293edcb872ea3f6005bd13452b80ba3a8ea3c96b
SHA25692780b193226d7c5d63bb7c07f282f2bf293df0408dc255743850a9223bd83d3
SHA51270aabf7af991f091902736e04b1267328c587f37d52117bd3b5186fb9ffd4f2a42d06d430a5390bae2b3e075b5616821d64c37f5b65ea8e0acea85422d04f96d
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Filesize
183B
MD595b26dd6467588569f01ade6da211ddf
SHA12189805efb729d0da3a584c2cd4f7c6c94d3f1fe
SHA25662c5a4af81bb11a4a9f924b6777e750d80c16a33237420becf53b47bd4504281
SHA512ee5a67a10ffac63668cbfe354321919a6a5dc201b70764580c423936b9ae565f2c93bcc07873f90048dd34c38ade383bff684c122efd50b40b427b3012b35e51
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Filesize
8KB
MD5308c3a0929b73040cf7af63f425d7c09
SHA108282787b7c5ba026ec3e127b1f06d5bd01d892f
SHA256a192c3f44731f61115de4e479701227c07309bceea902ba25b6cfeb27206b60c
SHA51285b362cca99198d72151e3f20b426c165398c5beac2e387e7d3915e74066947daf09f01206be3e2093739198017944fcdfe7413bac4aa76ee9c7d93ad117bbf9