11fe6e15723bb33be6b7f060eace9fe08b4a05756915656fc45e780c2f124cb0

Analysis

max time kernel
120s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 19:29

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General

Target

ef2ffc44631a228f3f04ea5836543580N.exe
Size

75KB
MD5

ef2ffc44631a228f3f04ea5836543580
SHA1

05fab59debc4909762f4cea645d6b82266e91299
SHA256

11fe6e15723bb33be6b7f060eace9fe08b4a05756915656fc45e780c2f124cb0
SHA512

1f5413dfb421dcdb3cad127a9614627109c79896a4d1efd0e54c237e6d8b23012b04a61ce6d5c0c84185644dc6ebebc816eff9c4bdee99013b533b2bb7c4b4b3
SSDEEP

1536:ux1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3s:OOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPE

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/0x00070000000234b2-9.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
68	ctfmen.exe
3744	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
3132	ef2ffc44631a228f3f04ea5836543580N.exe
3744	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"	ef2ffc44631a228f3f04ea5836543580N.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)	\??\K:	smnss.exe
File opened (read-only)	\??\S:	smnss.exe
File opened (read-only)	\??\X:	smnss.exe
File opened (read-only)	\??\G:	smnss.exe
File opened (read-only)	\??\O:	smnss.exe
File opened (read-only)	\??\P:	smnss.exe
File opened (read-only)	\??\R:	smnss.exe
File opened (read-only)	\??\W:	smnss.exe
File opened (read-only)	\??\E:	smnss.exe
File opened (read-only)	\??\J:	smnss.exe
File opened (read-only)	\??\M:	smnss.exe
File opened (read-only)	\??\N:	smnss.exe
File opened (read-only)	\??\T:	smnss.exe
File opened (read-only)	\??\U:	smnss.exe
File opened (read-only)	\??\V:	smnss.exe
File opened (read-only)	\??\H:	smnss.exe
File opened (read-only)	\??\L:	smnss.exe
File opened (read-only)	\??\Q:	smnss.exe
File opened (read-only)	\??\I:	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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	smnss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ef2ffc44631a228f3f04ea5836543580N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ef2ffc44631a228f3f04ea5836543580N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	ef2ffc44631a228f3f04ea5836543580N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	smnss.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ctfmen.exe	ef2ffc44631a228f3f04ea5836543580N.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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.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_SR_en-US-N.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\en-US\default.help.txt	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 opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-PDC.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\potscfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc	smnss.exe
File opened for modification	C:\Windows\SysWOW64\wbem\xsl-mappings.xml	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	ef2ffc44631a228f3f04ea5836543580N.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\wsmanconfig_schema.xml	smnss.exe
File created	C:\Windows\SysWOW64\zipfi.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\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Recovery\ReAgent.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 opened for modification	C:\Windows\SysWOW64\satornas.dll	ef2ffc44631a228f3f04ea5836543580N.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	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\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\cmnicfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt	smnss.exe
File opened for modification	C:\Windows\SysWOW64\AppxProvisioning.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\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	ef2ffc44631a228f3f04ea5836543580N.exe
File created	C:\Windows\SysWOW64\grcopy.dll	ef2ffc44631a228f3f04ea5836543580N.exe
File created	C:\Windows\SysWOW64\smnss.exe	ef2ffc44631a228f3f04ea5836543580N.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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.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\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 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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\NdfEventView.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\shervans.dll	ef2ffc44631a228f3f04ea5836543580N.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\icsxml\osinfo.xml	smnss.exe
File created	C:\Windows\SysWOW64\satornas.dll	ef2ffc44631a228f3f04ea5836543580N.exe
File created	C:\Windows\SysWOW64\smnss.exe	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\icsxml\ipcfg.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	ef2ffc44631a228f3f04ea5836543580N.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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.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\IME\IMEJP\APPLETS\IMJPCLST.XML	smnss.exe
File opened for modification	C:\Windows\SysWOW64\WindowsCodecsRaw.txt	smnss.exe
File opened for modification	C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml	smnss.exe
File opened for modification	C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml	smnss.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\kk.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\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_2019.807.41.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\AppCore\Location\Shifter\Relicensing Statement.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentfallback.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL048.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN107.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\sdxs.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\Media Renderer\connectionmanager_dmr.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\dotnet\LICENSE.txt	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\7-Zip\Lang\yo.txt	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_~_kzf8qxf38zg5c\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0000-1000-0000000FF1CE.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Consolas-Verdana.xml	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\WindowsApps\Microsoft.VCLibs.140.00.UWPDesktop_14.0.27629.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.es-es.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\lo-LA\View3d\3DViewerProductDescription-universal.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_2019.716.2313.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.Resource\Xbox.Smartglass.Loc.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN027.XML	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OsfInstallerConfigOnLogon.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinStickyNotes.xml	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\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\TrebuchetMs.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_2020.1906.55.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\AppxManifest.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\WindowsPhoneReservedAppInfo.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\networkmanifest.xml	smnss.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ICELAND.TXT	smnss.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Adobe\Products.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\FileSystemMetadata.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\Microsoft Office\root\Office16\PAGESIZE\PGLBL089.XML	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\7-Zip\Lang\lt.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\AppXManifest.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri-Cambria.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL103.XML	smnss.exe
File opened for modification	C:\Program Files\Windows Media Player\Media Renderer\RenderingControl_DMP.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinResearcher.xml	smnss.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt	smnss.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL012.XML	smnss.exe

Drops file in Windows directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..p.desktop.appxsetup_31bf3856ad364e35_10.0.19041.1_none_68a55acab544b1f4\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-x..ectdialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_fe2a3fc32038c1d1\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\DiagTrack\Scenarios\windows.uif_ondemand.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_9a7ce02ef73966bb\Report.System.Memory.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-n..uickstart.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c81408a27d1805ca\r\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-taskscheduler-service_31bf3856ad364e35_10.0.19041.1266_none_a3c6f2174c33cee1\D61D61C8-D73A-4EEE-8CDD-F6F9786B7124.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\pdferrormfnotfound.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-coresystem-wpr_31bf3856ad364e35_10.0.19041.207_none_4054ef70f69f6ff9\wpr.config.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-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\emulation.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\ja-jp.xml	smnss.exe
File opened for modification	C:\Windows\diagnostics\index\NetworkDiagnostics_4_NetworkAdapter.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\http_501.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.1266_none_fb76f6fb7e78a373\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.173_none_6486f23c2831aaf3\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\PhishSiteEdge.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-d..services-core-files_31bf3856ad364e35_10.0.19041.1_none_45dc4032c659ae7c\Active Directory Diagnostics.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Templates\WDAC_Diagnostics.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\tlserror.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobedevicepairing-main.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-oobe-firstlogonanim_31bf3856ad364e35_10.0.19041.1023_none_c83dd8e4f085dd16\FirstLogonAnim.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\base_heb.xml	smnss.exe
File opened for modification	C:\Windows\diagnostics\index\WindowsMediaPlayerConfiguration.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\it-IT\Rules.System.NetDiagFramework.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\http_403.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\invalidcert.htm	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\es-ES\Rules.System.Memory.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\tlserror.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\401-5.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-iana-tzdb-timezones_31bf3856ad364e35_10.0.19041.1081_none_7844725cf8ddff9b\f\timezoneMapping.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\oskpredbase.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobe-progress-template.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..rymanager.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_f52dbf51d6536fa6\r\AppxManifest.xml	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\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\ko-kr.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-4.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.1_en-us_c863490bca720bd6\OOBE_HELP_Opt_in_Details.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-t..-coreinkrecognition_31bf3856ad364e35_10.0.19041.1_none_adddf97aceb0fb8a\ThirdPartyNotices.MSHWLatin.txt	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\de-DE\Rules.System.Wired.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\needie.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\pdferrorrepurchasecontent.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.FileExplorer_cw5n1h2txyewy\AppxBlockMap.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\retailDemoSecurity.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-8.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\pdferrorquitapplicationguard.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\needhvsi.html	smnss.exe
File opened for modification	C:\Windows\diagnostics\index\PrinterDiagnostic.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Rules\it-IT\Rules.System.Wireless.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-o..iveportal.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_ae1950955a82d8ef\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..rastructureconsumer_31bf3856ad364e35_10.0.19041.1_none_69cd9c22cfcf9358\System Diagnostics.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_netfx4-netfx40_iis_schema_update_xml_b03f5f7f11d50a3a_4.0.15805.0_none_75d6696d58523dee\NetFx40_IIS_schema_update.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\pdferrorrepurchasecontent.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\startfresh.html	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\hstscerterror.htm	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\sslnavcancel.htm	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\VisualProfiler.html	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.appxsetup_31bf3856ad364e35_10.0.19041.1266_none_1810750b8eb9f2ea\AppxManifest.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_ja-JP.xml	smnss.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-t..alservices-allroles_31bf3856ad364e35_10.0.19041.1_none_19997cf2c3254796\TerminalServices.Events.xml	smnss.exe
File opened for modification	C:\Windows\PLA\Reports\fr-FR\Report.System.Network.xml	smnss.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\repost.htm	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\uk-UA\assets\ErrorPages\http_410.htm	smnss.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef2ffc44631a228f3f04ea5836543580N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smnss.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	ef2ffc44631a228f3f04ea5836543580N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	ef2ffc44631a228f3f04ea5836543580N.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	ef2ffc44631a228f3f04ea5836543580N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	ef2ffc44631a228f3f04ea5836543580N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	ef2ffc44631a228f3f04ea5836543580N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3744	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 68	3132	ef2ffc44631a228f3f04ea5836543580N.exe	91
PID 3132 wrote to memory of 68	3132	ef2ffc44631a228f3f04ea5836543580N.exe	91
PID 3132 wrote to memory of 68	3132	ef2ffc44631a228f3f04ea5836543580N.exe	91
PID 68 wrote to memory of 3744	68	ctfmen.exe	92
PID 68 wrote to memory of 3744	68	ctfmen.exe	92
PID 68 wrote to memory of 3744	68	ctfmen.exe	92

C:\Users\Admin\AppData\Local\Temp\ef2ffc44631a228f3f04ea5836543580N.exe
"C:\Users\Admin\AppData\Local\Temp\ef2ffc44631a228f3f04ea5836543580N.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:3132
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:68
- - 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:3744

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
7307a0ab9cb7f5e4b7e88fba61798b68

SHA1
82d6cb511e48249cc4fb8b4c24075e3edfb0eb6e

SHA256
3b0a71b9776202ba52b765bb72a0a563baf040a96e7f8ae9cdc77e4751970044

SHA512
7be5eedf050a12b91d75948185c31dd19d4b5a93d05f77e69a78399f27f05b7a032860dec7099d8f37c7c8db210094967397060fe01b413f3a3859f9411e30c6

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

Filesize
75KB

MD5
d13714cf80820faa3ba9088e3fa131de

SHA1
779378057d75174920d0eab03ac34a1d9de70d17

SHA256
35e0c5161f9272f2bca29f29a5798bcabef32b135e286e1a923bcf5c606a5432

SHA512
11d4eb10e5276f62a97ba2714df0fd482b4a2e15a44d332f44580514de82b9014005f440ff9a0ba037de92e5c2528a301523814a30a04841139f4ab12ec483fb

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

Filesize
183B

MD5
a069c2e95bd18aa4e508e1ea51f92e39

SHA1
d039cbfac177f1334c0360b04483bbde769bd20f

SHA256
fa40011fec667ad3b7ed70f470dc9628f90fcb3ccbbab7ccfd26aa291d5d7593

SHA512
6aec361573d50b1d69236e0b94ada753bba971d98d5fb175cda303893d613ef25f2bd178e604b9057ffd14a943e3c9308b606435862d33785188ba29bd1dcf5e

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

Filesize
8KB

MD5
7a14333147337bdec4efd61f99e46c95

SHA1
c4be1f3cf879ed33ed1be0a48a0dfa5e7cb21f13

SHA256
382949da3addcca99e6895f8a06a36924c690337854405b3e27f0450a85cd1a6

SHA512
c9a8cdd87e7f1459dc7c1194b665b17e080fc7675b8a4af014c0b0737b27831aad58e575299a75ca17def7c2299a1ef98273f9bec3ab7198a6c5bafa02b51105

Download Submit
memory/68-26-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3132-17-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3132-22-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3132-20-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-38-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-36-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-35-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3744-40-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-42-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-44-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-46-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-48-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-50-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-52-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-54-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3744-56-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads