865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 16:01

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General

Target

865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Size

127KB
MD5

b4c7736654c41b2417c93bd16e2e9bad
SHA1

93a7a9bdfcb77646184b11b573b41ebd8052c480
SHA256

865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d
SHA512

41f051ff42c9280d8933ea48860f03a75c1bcace78b7dd710f712a0b4d7d1e4353c0f336e64e9ed20484713ab12640781ccbc7a65b450dd2852452a93de65f89
SSDEEP

3072:4Ojruyt0ZsqsXXKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPb:4js9XKofHfHTXQLzgvnzHPowYbvrjD/m

Score

8^/10

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/0x000800000002325b-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
2808	ctfmen.exe
1816	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
4836	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
1816	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"	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	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	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt	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\prnms001.inf_amd64_8bc1bda6cf47380c\MXDW-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wbem\xsl-mappings.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\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\NdfEventView.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\WindowsCodecsRaw.txt	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\IME\IMEJP\APPLETS\IMJPCLST.XML	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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_devmode_map.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml	smnss.exe
File created	C:\Windows\SysWOW64\grcopy.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
File opened for modification	C:\Windows\SysWOW64\AppxProvisioning.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\smnss.exe	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.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\icsxml\ipcfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wsmanconfig_schema.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\pppcfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc	smnss.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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\SysWOW64\F12\Timeline.cpu.xml	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
File created	C:\Windows\SysWOW64\zipfi.dll	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\tcpbidi.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	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\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\cmnicfg.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\System32\DriverStore\FileRepository\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-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\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml	smnss.exe
File created	C:\Windows\SysWOW64\satornas.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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\prnms003.inf_x86_360f6f3a7c4b3433\I386\unishare-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.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\WindowsPowerShell\v1.0\es-ES\default.help.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsXPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml	smnss.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL117.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.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\7-Zip\Lang\mk.txt	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\DeletedAllUserPackages\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\en-us\outlook_whatsnew.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\BuildInfo.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WebviewOffline.html	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_GB_EURO.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ps.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.2.2_2.2.27328.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.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\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\fa-IR\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\kk-KZ\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml	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 (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Pester.help.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-100_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\fr-FR\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.2.2_2.2.27405.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_GB.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PPT_WHATSNEW.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\Store.Purchase\Controls\Xbox360PurchaseHostPage.html	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL112.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.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\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.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\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.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\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_2019.305.632.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.Telemetry\BIEvents.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Dictionaries\en_GB\README_en_GB.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsfin.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_BeforeEach_AfterEach.help.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OsfInstallerConfig.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_2019.430.2026.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\THANKS.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_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\es-MX\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\pages\winrthost.htm	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\manifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\Heartbeat\HeartbeatCache.xml	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ml-IN\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\accessibilitychecker\index.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\CortanaCommands.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe

Drops file in Windows directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\PLA\Rules\fr-FR\Rules.System.Wireless.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\views\tokenManagerErrorHandler.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\9.txt	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.XboxGameCallableUI_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftOffice2016BackupWin32.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-toggle-template.html	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\en-US\Rules.System.Common.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\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\pdferrorrepurchasecontent.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\11.txt	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobesettings-multipage-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\scoobeoutro-main.html	smnss.exe
File opened for modification	C:\Windows\schemas\CodeIntegrity\ExamplePolicies\DenyAllAudit.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..gshellapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_b4c98345579ad387\r\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-frame-template.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\default.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\pdferrorneedcredentials.html	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\fr-FR\assets\ErrorPages\http_501.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.CapturePicker_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-b..nrollment.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_3bef52e9f4b5e3b0\r\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-light-contentview-template.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\23\console\console.html	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\fr-FR\Rules.System.Summary.xml	smnss.exe
File opened for modification	C:\Windows\servicing\Sessions\31090884_1286848404.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\invalidcert.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\RetailDemo\retailDemoMsa.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\scoobe\view\scoobeoutro-main.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy\speech\0809\tokens_enGB.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\NetworkPrinters.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\es-ES\Report.System.Configuration.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\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\oobelightfooterhost.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..gshellapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_b4c98345579ad387\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-button-template.html	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\ja-JP\Report.System.Configuration.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\dnserror.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\pdferror.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\repost.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\core\view\backstack-chrome-breadcrumb-template.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..sslockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_7014825cdc7916b8\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\en-US\Report.System.Common.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-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\tokens_enUS.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\oobe-light-footer-template.html	smnss.exe
File opened for modification	C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowAll.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\fr-FR\Report.System.Diagnostics.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\it-IT\Rules.System.CPU.xml	smnss.exe
File opened for modification	C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowMicrosoft.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\needie.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\sslnavcancel.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\21.txt	smnss.exe
File opened for modification	C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\Logs\MoSetup\DeviceInventory.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\unifiedEnrollmentDiscoveryError.html	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\fr-FR\Rules.System.CPU.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CallingShellApp_cw5n1h2txyewy\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\speech\1009\tokens_enCA.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\en-US\Rules.System.NetDiagFramework.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\views\localAccount.html	smnss.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.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	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2808	4836	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe	98
PID 4836 wrote to memory of 2808	4836	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe	98
PID 4836 wrote to memory of 2808	4836	865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe	98
PID 2808 wrote to memory of 1816	2808	ctfmen.exe	99
PID 2808 wrote to memory of 1816	2808	ctfmen.exe	99
PID 2808 wrote to memory of 1816	2808	ctfmen.exe	99

C:\Users\Admin\AppData\Local\Temp\865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe
"C:\Users\Admin\AppData\Local\Temp\865dbcc3be4e0d038c388c87f4ccd7f44c7ac83ae6f229990d0c61902999712d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    PID:1816

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:4836

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

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
833afcf04f53720ae5d743c3e6809d69

SHA1
2cc21df60b8b28c13ff072493ad212751241e8ff

SHA256
767daf7e151a9809a6faebc251c08a4907153a7e99fa4cd46b850b60ba6e1da3

SHA512
418f3954d18335e1ff6142c00bff499f8b850a82a876516306350f28d9b51543be8a4d84d0c8e030dd535de615017b7826228f8cc505c0c26aa163d69f2dc7b9

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

Filesize
127KB

MD5
5dc1148df82effc4108a0dd939166200

SHA1
0b747aafdc5be3d1279c44e905b1df41225d8f13

SHA256
03ac57a251b5698b84cb959053723f0e3b64f73b85e44ce95e26dd3e94453105

SHA512
67a66abfcb5011ab180e91932da50aaa1a2be52435de40bbe64f1cd29b696c08b91fc9f61037bd183d9c3a3f79c5a1af85c947058fce92249acd6645e4f207ce

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

Filesize
183B

MD5
a7e4dd17122e046e8b726232f8d7a220

SHA1
8cf866ef788e4173099744e970d04513f8d553a8

SHA256
9b5898552818313a065fa0da8b820da712a68de66a0f8993082ce5405d71566c

SHA512
c87d323259fa79263602d1a4e583bab2fcbf0d4c3f938e180d06a1741fd376ce038de36e62e4475973c632ab311398e01fab4e5695a7ac6229df65bdc533a773

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

Filesize
8KB

MD5
1757b374543125e95dc776cfbbcf2d9b

SHA1
6a098493370869d4c9c3888df6eefb47a28d33d9

SHA256
8c2f6faed1865d701368c123219c5b8e1909bdb5b44da22aa4c1c59224541561

SHA512
5b75f6fe15c04c439834253858a40abbfb7221f18e66cb1b811eae6a7f6f7bcf8492606dad9eefcef7575f2bdba1a39ed6f26a96f6b84ce27e43858f508eccdc

Download Submit
memory/1816-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1816-36-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1816-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2808-21-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2808-26-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4836-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-22-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4836-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-13-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads