17775ef2cad153959a36e134e47f4cd731ee11b5e724fa53823eee3a5b026b57

Analysis

max time kernel
118s
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
07/09/2024, 10:01

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General

Target

21ca732af9bde42e3f5ff3327f23f2e0N.exe
Size

137KB
MD5

21ca732af9bde42e3f5ff3327f23f2e0
SHA1

d6f4309e9c9f58a9b3c6be1abd482a6ab60cfa70
SHA256

17775ef2cad153959a36e134e47f4cd731ee11b5e724fa53823eee3a5b026b57
SHA512

adf52ae5ef305b1054aa7f10340e6215c821d78d59e864c21c426b2d1e8af5ee726c9b1b941918f88fdd36c145e58ce1ba295786315bdd60aa1692b4e3ca8cb9
SSDEEP

3072:NOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPV:NIs9OKofHfHTXQLzgvnzHPowYbvrjD/m

Score

8^/10

discovery persistence spyware stealer

Malware Config

Signatures

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/0x00070000000234e7-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
5064	ctfmen.exe
3900	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
2412	21ca732af9bde42e3f5ff3327f23f2e0N.exe
3900	smnss.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	21ca732af9bde42e3f5ff3327f23f2e0N.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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	smnss.exe
File opened (read-only)	\??\L:	smnss.exe
File opened (read-only)	\??\Q:	smnss.exe
File opened (read-only)	\??\S:	smnss.exe
File opened (read-only)	\??\T:	smnss.exe
File opened (read-only)	\??\U:	smnss.exe
File opened (read-only)	\??\E:	smnss.exe
File opened (read-only)	\??\I:	smnss.exe
File opened (read-only)	\??\X:	smnss.exe
File opened (read-only)	\??\G:	smnss.exe
File opened (read-only)	\??\V:	smnss.exe
File opened (read-only)	\??\W:	smnss.exe
File opened (read-only)	\??\M:	smnss.exe
File opened (read-only)	\??\O:	smnss.exe
File opened (read-only)	\??\N:	smnss.exe
File opened (read-only)	\??\P:	smnss.exe
File opened (read-only)	\??\R:	smnss.exe
File opened (read-only)	\??\H:	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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	21ca732af9bde42e3f5ff3327f23f2e0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	21ca732af9bde42e3f5ff3327f23f2e0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	21ca732af9bde42e3f5ff3327f23f2e0N.exe
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

Drops file in System32 directory 64 IoCs

description	ioc	Process
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\SysWOW64\shervans.dll	21ca732af9bde42e3f5ff3327f23f2e0N.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc	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\grcopy.dll	21ca732af9bde42e3f5ff3327f23f2e0N.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\en-US\Tokens_SR_en-US-N.xml	smnss.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File created	C:\Windows\SysWOW64\satornas.dll	21ca732af9bde42e3f5ff3327f23f2e0N.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\Recovery\ReAgent.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\es-ES\default.help.txt	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\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\MSXPS2.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\F12\Timeline.cpu.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\osinfo.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\WindowsPowerShell\v1.0\it-IT\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\smnss.exe	21ca732af9bde42e3f5ff3327f23f2e0N.exe
File opened for modification	C:\Windows\SysWOW64\AppxProvisioning.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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.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\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\tcpbidi.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	21ca732af9bde42e3f5ff3327f23f2e0N.exe
File opened for modification	C:\Windows\SysWOW64\NdfEventView.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wbem\xsl-mappings.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 opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt	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\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-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\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-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\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\cmnicfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\ipcfg.xml	smnss.exe
File created	C:\Windows\SysWOW64\grcopy.dll	21ca732af9bde42e3f5ff3327f23f2e0N.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\tsprint.inf_amd64_6066bc96a5f28b44\tsprint-PipelineConfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsCodecsRaw.txt	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	21ca732af9bde42e3f5ff3327f23f2e0N.exe
File created	C:\Windows\SysWOW64\shervans.dll	21ca732af9bde42e3f5ff3327f23f2e0N.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.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	21ca732af9bde42e3f5ff3327f23f2e0N.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\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml	smnss.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\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\wsmanconfig_schema.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml	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\main\base_jpn.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.UI.Xaml.2.0_2.1810.18004.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\WebviewOffline.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\FrameworkList.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.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\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\te-IN\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\SupplementalDictionaries\en_GB\added.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ta-IN\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_split.scale-100_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 (x86)\Microsoft\Edge\Application\92.0.902.67\MLModels\autofill_labeling_features.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_security_terms_dict.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL065.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN110.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftEdge.Stable_92.0.902.67_neutral__8wekyb3d8bbwe\AppxBlockMap.xml	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\Microsoft Office\root\Office16\PAGESIZE\PGLBL097.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN095.XML	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime_eula.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\SubsetList\Client.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL082.XML	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	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\WindowsApps\DeletedAllUserPackages\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	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.90160000-00E2-0000-1000-0000000FF1CE.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Paper.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\dotnet\ThirdPartyNotices.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN120.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL075.XML	smnss.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\RedistList\FrameworkList.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.2.2_2.2.27405.0_x64__8wekyb3d8bbwe\AppxManifest.xml	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\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\jsaddins\locallaunch\locallaunch.html	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\WindowsApps\Microsoft.DesktopAppInstaller_2019.125.2243.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Mocking.help.txt	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\Microsoft Office\root\Office16\PAGESIZE\PGLBL011.XML	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\requests\playlist.xml	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\requests\status.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-PipelineConfig.xml	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\requests\browse.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\BuildInfo.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.27323.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe

Drops file in Windows directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WinSxS\amd64_dual_prnms014.inf_31bf3856ad364e35_10.0.19041.1_none_f62257f573c699e2\Amd64\MSMPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\28.txt	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-u..userpredictionmodel_31bf3856ad364e35_10.0.19041.1_none_42c9bed4b6bd2e16\17499b8d805e9480903b0df0326a3d231841049e.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-mediaplayer-core_31bf3856ad364e35_10.0.19041.153_none_f3a9dc0fe254a157\RenderingControl_DMP.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\pdferrorunknownerror.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-filepicker.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_39a4d63e07cea862\f\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..iondialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_5f1081b1c1cd1c92\f\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..settings-searchdata_31bf3856ad364e35_10.0.19041.1266_none_02712bcc4c459e88\r\AllSystemSettings_{253E530E-387D-4BC2-959D-E6F86122E5F2}.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\Report.System.Configuration.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\12.txt	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobelanguage-main.html	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-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\404-14.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\emulation.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\http_406.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-p..standardportmonitor_31bf3856ad364e35_10.0.19041.1_none_640c4e1ead013a38\tcpbidi.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\pdferrorquitapplicationguard.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobewelcome-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\EaseOfAccessSettings2013.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\403-12.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\needhvsi.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-w..for-management-core_31bf3856ad364e35_10.0.19041.1_none_805682e34c6552d0\wsmanconfig_schema.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\pdferrorunknownerror.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-b..nrollment.appxsetup_31bf3856ad364e35_10.0.19041.1_none_7d08a9dfdeeefe23\AppxManifest.xml	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\pdferror.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\http_404.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\RetailDemo\retailDemoSecurityInclusive.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..eexplorer.appxsetup_31bf3856ad364e35_10.0.19041.1_none_44f101066df07ed0\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\401-1.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-14.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-winre-recoveryagent_31bf3856ad364e35_10.0.19041.84_none_b26fbb1c9e00e3ba\ReAgent.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\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\needie.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\symbols.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AppxBlockMap.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.NetDiagFramework.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\403-8.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\OfflineTabs.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\BlockSite.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_0e2f6adb2cec6f62\Rules.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\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\AppCacheMetadata.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..ore-files.resources_31bf3856ad364e35_10.0.19041.207_en-us_a77e6aa2de8d00b9\Report.AD.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\403-17.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\404-3.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\500-15.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\network.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\http_500.htm	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-deliveryoptimization_31bf3856ad364e35_10.0.19041.207_none_a87fa27025b2eaac\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\403-10.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-iana-tzdb-timezones_31bf3856ad364e35_10.0.19041.1081_none_7844725cf8ddff9b\timezoneMapping.xml	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.CPU.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipsptb.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-x..ectdialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_fe2a3fc32038c1d1\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-n..sh-helper-extension_31bf3856ad364e35_10.0.19041.746_none_976088a560b9aba7\Report.System.NetTrace.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\fr-FR\Rules.System.Finale.xml	smnss.exe
File opened for modification	C:\Windows\servicing\Editions\ProfessionalWorkstationEdition.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\speech\040c\tokens_frFR.xml	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-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\hololensDiagnostics.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\oobelocalngc-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\OfflineTabs.html	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21ca732af9bde42e3f5ff3327f23f2e0N.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"	21ca732af9bde42e3f5ff3327f23f2e0N.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	21ca732af9bde42e3f5ff3327f23f2e0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	21ca732af9bde42e3f5ff3327f23f2e0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	21ca732af9bde42e3f5ff3327f23f2e0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	21ca732af9bde42e3f5ff3327f23f2e0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3900	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 5064	2412	21ca732af9bde42e3f5ff3327f23f2e0N.exe	87
PID 2412 wrote to memory of 5064	2412	21ca732af9bde42e3f5ff3327f23f2e0N.exe	87
PID 2412 wrote to memory of 5064	2412	21ca732af9bde42e3f5ff3327f23f2e0N.exe	87
PID 5064 wrote to memory of 3900	5064	ctfmen.exe	88
PID 5064 wrote to memory of 3900	5064	ctfmen.exe	88
PID 5064 wrote to memory of 3900	5064	ctfmen.exe	88

C:\Users\Admin\AppData\Local\Temp\21ca732af9bde42e3f5ff3327f23f2e0N.exe
"C:\Users\Admin\AppData\Local\Temp\21ca732af9bde42e3f5ff3327f23f2e0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Windows\SysWOW64\smnss.exe
    C:\Windows\system32\smnss.exe
    3⤵
    - 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
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    PID:3900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
d95af1e1cc646661862097175becd2d9

SHA1
05d1ec604c8abc479d1a07bd05c284a816504183

SHA256
91de73c7b6f53c38f147957dcf92c8cdd43fbf5d5a534166aa7c955606ad03a4

SHA512
f96a0af7f81cec93841553b709f3cdd8b3671e2e89cf831dfef3ee24afcf09276bfb4eadded46730dc2e517a1f45ee9f9d1d40bdd645a8c6749832d70843829b

Download Submit
C:\Windows\SysWOW64\grcopy.dll

Filesize
137KB

MD5
64fb0e1ef0f0ff7cfba0b5bb09d644db

SHA1
9b84d4e5bc107b804e0bb4b87b603af124bd9522

SHA256
75b24fe91689f3f325eef733a67bfaa831402910d589adb85f9744432b7cd938

SHA512
29f9b4f72c8d0504242cb8e9e3a4a5ed2956c880da402def7954efb8ded94867b8666c7d131a60af094aa89369418d7dd288234a4541cf47f7cf62279398e949

Download Submit
C:\Windows\SysWOW64\satornas.dll

Filesize
183B

MD5
5775ce9ae88ef8507cc9d1db543b5897

SHA1
f7e86292887eb9c53e724077fa8c4a01ce9e2e00

SHA256
18d2b5a15122b314bc23928fef2662f4416c3fc005cfe759a4d4eb721d89df47

SHA512
c05aff5b5ed13638bf80043d0d65ed1e2a2f629cfec828c96edabf20162b1f67f7099739b90f628817968b18c33d53c7439a2294415df8662eae83dbccd8f751

Download Submit
C:\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
563b0ca3d5b65eba104e553d31331ec9

SHA1
ae31b9c0464eeaa2289bf0ef1bf349eb53e8c704

SHA256
d8aba63cb00825d750e9ba790c78c3b1226268b39a108cd7d4c9f3c649b82b01

SHA512
7673e7bb6858722fd5d55d0691391ebbc96637461669597189f818532ccd22a7a628ee8961b708c69e4a47c0cf8ae8ac5fa672dd943a065b9ede87f6cea6aabd

Download Submit
memory/2412-24-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2412-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-23-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-13-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3900-30-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3900-37-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3900-39-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3900-40-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/5064-21-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5064-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads