1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 19:09

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General

Target

1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Size

75KB
MD5

06890ebe5da0bc85749b8aa83235754d
SHA1

abbf4c62447ecaa4e5c960365a2bc2068b6eff6d
SHA256

1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5
SHA512

4858f931efc692333a20d083d609b9eea4320c344fc3cb06a75dd6d142ddeae8168f8ca894ea3b128a1fb41a1ff0b96a52fb4405e9d8eac5cd3549c70995150f
SSDEEP

1536:rx1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3v:1OjWuyt0ZsqsXOKofHfHTXQLzgvnzHP3

Score

9^/10

persistence spyware stealer

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/files/0x000800000002322c-9.dat	UPX
behavioral2/memory/4324-17-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/memory/5004-24-0x0000000000400000-0x0000000000409000-memory.dmp	UPX
behavioral2/memory/4324-23-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/files/0x000a000000023224-21.dat	UPX
behavioral2/memory/1520-34-0x0000000010000000-0x000000001000D000-memory.dmp	UPX

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/0x000800000002322c-9.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
5004	ctfmen.exe
1520	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
4324	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
1520	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"	smnss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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)	\??\T:	smnss.exe
File opened (read-only)	\??\N:	smnss.exe
File opened (read-only)	\??\Q:	smnss.exe
File opened (read-only)	\??\G:	smnss.exe
File opened (read-only)	\??\L:	smnss.exe
File opened (read-only)	\??\M:	smnss.exe
File opened (read-only)	\??\P:	smnss.exe
File opened (read-only)	\??\R:	smnss.exe
File opened (read-only)	\??\S:	smnss.exe
File opened (read-only)	\??\W:	smnss.exe
File opened (read-only)	\??\X:	smnss.exe
File opened (read-only)	\??\H:	smnss.exe
File opened (read-only)	\??\K:	smnss.exe
File opened (read-only)	\??\O:	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)	\??\I:	smnss.exe
File opened (read-only)	\??\J:	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	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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\grcopy.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.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\WindowsPowerShell\v1.0\it-IT\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\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
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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\MailContactsCalendarSync\LiveDomainList.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt	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\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wsmanconfig_schema.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\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\pppcfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\tcpbidi.xml	smnss.exe
File created	C:\Windows\SysWOW64\grcopy.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
File created	C:\Windows\SysWOW64\smnss.exe	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.xml	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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\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\IME\IMEJP\APPLETS\IMJPCLST.XML	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt	smnss.exe
File created	C:\Windows\SysWOW64\satornas.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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\SysWOW64\F12\Timeline.cpu.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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 opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\Tokens_SR_en-US-N.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\AppxProvisioning.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\SysWOW64\icsxml\cmnicfg.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_david.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-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\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.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\MSDRM\MsoIrmProtector.doc	smnss.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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ha-Latn-NG\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinFormsMathQuiz.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_2019.904.1644.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN121.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_eula.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Services.Store.Engagement_10.0.18101.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN111.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\lpklegal.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftEdge.Stable_92.0.902.67_neutral__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pl.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\Microsoft Office\root\Office16\ADDINS\MSOSEC.XML	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\BuildInfo.xml	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\Java\jre-1.8\Welcome.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\mk-MK\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Dictionaries\en_GB\changelog.txt	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\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.VisualElementsManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPP.HTM	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\ExcelMessageDismissal.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.17\NOTICE.TXT	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	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\Windows Media Player\Media Renderer\avtransport.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.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\en-us\CT_ROOTS.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Speech\en-US\tokens_enUS.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.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.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\pages\winrthost.htm	smnss.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\WinFXList.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL089.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\whatsnewsrc\bulletin_board.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Services.Store.Engagement_10.0.18101.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\be-BY\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\mobile.html	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3101-0000-1000-0000000FF1CE.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL108.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.UI.Xaml.2.0_2.1810.18004.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Pester.help.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ug.txt	smnss.exe
File opened for modification	C:\Program Files\dotnet\ThirdPartyNotices.txt	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\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_split.scale-150_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ru-RU\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe

Drops file in Windows directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_6ae61beebd6b13dd\oobe_learn_more_activity_history.htm	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-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipssve.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoftwindows-un..keddevkit.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c9d08284ca03f3d7\f\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\microsoft.creddialoghost_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_dual_prnms003.inf_31bf3856ad364e35_10.0.19041.264_none_f47802fda1463635\Amd64\unishare-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\404-14.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\http_500.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_de-de_c2bbc1ff4b155b96\Rules.System.Finale.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-w..bviewhost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_1277eb7f6aa856b4\r\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\SYMBOL.TXT	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_10.0.19041.117_none_e0d32848ac56114e\tokens_enGB.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\404-12.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\500-19.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\401-3.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\500-14.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\PhishSite_Iframe.htm	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\ja-JP\Report.System.Memory.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\en-US\Rules.System.Common.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\DesktopSettings2013.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-ecapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_6d4be35dd691e117\f\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\401-1.htm	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.Configuration.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-xbox-gamecallableui.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_f79b680f94668688\r\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\PhishSite_Iframe.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\needhvsi.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Windows.CBSPreview_cw5n1h2txyewy\appxmanifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..ore-files.resources_31bf3856ad364e35_10.0.19041.1_de-de_d65920e5305e7eda\Rules.AD.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\401-1.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\403-1.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-7.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\storage.html	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.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\PhishSite_Iframe.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_dual_tsprint.inf_31bf3856ad364e35_10.0.19041.153_none_356ebfa943b1edf9\tsprint-PipelineConfig.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobeactivitysyncconsent-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipsnld.xml	smnss.exe
File opened for modification	C:\Windows\ImmersiveControlPanel\Settings\AllSystemSettings_{253E530E-387D-4BC2-959D-E6F86122E5F2}.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\pdferrorunknownerror.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\WpcBlockFrame.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\24.txt	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.Disk.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipscat.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipsfin.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\ea.xml	smnss.exe
File opened for modification	C:\Windows\diagnostics\index\DeviceDiagnostic.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\de-DE\Rules.System.Common.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-a..ep-chxapp.appxsetup_31bf3856ad364e35_10.0.19041.1_none_bea84556e2412b76\appxmanifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1266_none_12ea08a0c4f345b0\f\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-sharedaccess_31bf3856ad364e35_10.0.19041.1_none_c513167c1d0a90dd\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\tlserror.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-management-oobe_31bf3856ad364e35_10.0.19041.207_none_504b6becabbef9fe\autopilotwhiteglovelanding-main.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.AssignedAccessLockApp_cw5n1h2txyewy\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkCaptivePortal_cw5n1h2txyewy\speech\0804\tokens_zhCN.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-1.htm	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
File opened for modification	C:\Windows\Microsoft.NET\assembly\GAC_64\Microsoft.ConfigCI.Commands\v4.0_10.0.0.0__31bf3856ad364e35\AllowAll_EnableHVCI.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-o..iveportal.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_ae1950955a82d8ef\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\x86_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1_none_6331d348ae4a8fa9\GlobalInstallOrder.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_es-es_6b77f4dc3a1a5900\Rules.System.Memory.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\WpcBlockFrame.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\22.txt	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

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	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 5004	4324	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe	92
PID 4324 wrote to memory of 5004	4324	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe	92
PID 4324 wrote to memory of 5004	4324	1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe	92
PID 5004 wrote to memory of 1520	5004	ctfmen.exe	93
PID 5004 wrote to memory of 1520	5004	ctfmen.exe	93
PID 5004 wrote to memory of 1520	5004	ctfmen.exe	93

C:\Users\Admin\AppData\Local\Temp\1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.exe
"C:\Users\Admin\AppData\Local\Temp\1a31fc74a65516ba4e1179a940a7f8c9697582e67cac86fc162011bf3e4e8fa5.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:4324
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5004
- - 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
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    PID:1520

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
1c072c322904ddcdb5063def183cd080

SHA1
165d87c7f3d5ce3bea73e5bd1906565e5599580d

SHA256
5df7f406985fd9f0061049f0028260b7c2945418785862a8a251d78ad3408d24

SHA512
cbaf2d7a4abd31dcd8a6fa3e12cd61265e6b306c49735956aa5519041b11a2fbb37e9faa38541a0aa49fa61dab7c45d238defba94f2f41c565dc8da62c61c146

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

Filesize
75KB

MD5
7c870ae03bc36d8c6daf53424be0c1da

SHA1
a6ad3d9ec67cc94eafe5d0a2a5cbc2a51655c3f5

SHA256
9c0b6444ace1132005cfd4ab6d4fefd96b150defe356baf8110fd4dfd77dd2be

SHA512
2bdd2bb07698bc76517cb60f2fa4a326d76fe9721d19dfdaf230b40d5ee6a2bccead803d4d361b416690c5ca3bc35e0b3d46097cf09f1e7d5ad30f4414c8b4ac

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

Filesize
183B

MD5
7b3b62451a49d0d50e6f91137e1fa032

SHA1
1eace087ac91cbf62170f75f4f7ec7ea043d8a58

SHA256
089d285a4e65179946c7de72c3d4cddb72581d3467049fd629bf26e33d99d639

SHA512
21f333b54dabef79a33acae0d9d9f22a5a63fcbf4c8bffd2c0545581c521cfcd6e60982b1c3c587d867119755d2c06026463726227d274dfad637e33f803d13e

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

Filesize
8KB

MD5
468e00d40fb28a74aaf6681704a2ac3a

SHA1
d3414f7d01abc4adc72905dd4698ff33ec3ff4ba

SHA256
125f9bc0affaab053a0b4689b6a9be1d60bb5476ab94ea048c0f7580e6074045

SHA512
0fe5c8f8a91fd7f4d1a0259c142905d0ae948514288f09d73f250b36ca8af02a51ba492597447450d78d3d2b2a0f1f208b4a1236a6cec48195a7297367613689

Download Submit
memory/1520-47-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-43-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-61-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-59-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-34-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1520-35-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-37-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-39-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-41-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-57-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-45-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-55-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-49-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-51-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1520-53-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4324-17-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4324-23-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4324-20-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/5004-24-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads