Analysis
- max time kernel
118s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
13/07/2024, 00:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
18389440bbdf40bf72b5f88a0e8d0a20N.exe
Resource
win7-20240704-en
windows7-x64
14 signatures
120 seconds
Behavioral task
behavioral2
Sample
18389440bbdf40bf72b5f88a0e8d0a20N.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
14 signatures
120 seconds
General
- Target 18389440bbdf40bf72b5f88a0e8d0a20N.exe
- Size 41KB
- Sample240713-aazvyaygmc
- SHA256 a1c6b8e53dfdb28044e6ec67d998011e2e4f15c1f9279cb2db532606d4260db7
- MD5 18389440bbdf40bf72b5f88a0e8d0a20
- SHA1 cf3df5ad60b38fd1adfb860ed20f30f8b51d849a
- SHA512 cdb02d3c9cff189ba3e6ba394b8ca02bfbcdbdce0b7c2d5391e2d829cc40e9b20ca2038f7f9d13f83b33a97e730cd5c2615026b1f8dabf682a34667cc8ee563e
- SSDEEP 768:LeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09Cy:Lq5VwWDjDkdTRqHFOn8tIbbeYiuZIFSz
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
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/0x00080000000234cb-10.dat acprotect - Executes dropped EXE 2 IoCs
pid Process 4008 ctfmen.exe 4844 smnss.exe - Loads dropped DLL 2 IoCs
pid Process 3540 18389440bbdf40bf72b5f88a0e8d0a20N.exe 4844 smnss.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" 18389440bbdf40bf72b5f88a0e8d0a20N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" smnss.exe - Enumerates connected drives 3 TTPs 19 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\V: smnss.exe - Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 smnss.exe - Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\cmnicfg.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\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll 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\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.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\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\tsprint.inf_amd64_6066bc96a5f28b44\tsprint-PipelineConfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 18389440bbdf40bf72b5f88a0e8d0a20N.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\Speech_OneCore\Common\tokens.xml smnss.exe File created C:\Windows\SysWOW64\shervans.dll 18389440bbdf40bf72b5f88a0e8d0a20N.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml smnss.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-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.xml smnss.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 18389440bbdf40bf72b5f88a0e8d0a20N.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 18389440bbdf40bf72b5f88a0e8d0a20N.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\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt 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\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPCL6-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\SysWOW64\F12\Timeline.cpu.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\default.help.txt smnss.exe File created C:\Windows\SysWOW64\grcopy.dll 18389440bbdf40bf72b5f88a0e8d0a20N.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\WindowsPowerShell\v1.0\de-DE\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt smnss.exe File created C:\Windows\SysWOW64\smnss.exe 18389440bbdf40bf72b5f88a0e8d0a20N.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\WindowsPowerShell\v1.0\fr-FR\default.help.txt smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 18389440bbdf40bf72b5f88a0e8d0a20N.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wbem\xsl-mappings.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-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\SysWOW64\AppxProvisioning.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\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.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_SR_en-US-N.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\satornas.dll 18389440bbdf40bf72b5f88a0e8d0a20N.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\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-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\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 18389440bbdf40bf72b5f88a0e8d0a20N.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\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.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.GetHelp_10.1706.13331.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\SupplementalDictionaries\en_GB\excluded.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html 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\7-Zip\Lang\lv.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_rtl.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL065.XML smnss.exe File opened for modification C:\Program Files\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\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\cs-CZ\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml smnss.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\SubsetList\Client.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-100_kzf8qxf38zg5c\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.1813.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Aspect.xml 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\Configuration\ssn_high_group_info.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 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\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketchAppService\ReadMe.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\AppxManifest.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 (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\win\CP1251.TXT smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\BuildInfo.xml smnss.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_should.help.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\fi-FI\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\ta-IN\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Paint_PDP.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\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL118.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\1033\Bibliography\BIBFORM.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 (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\CYRILLIC.TXT 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\Microsoft Office\root\Office16\1033\Client2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\he-IL\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsel.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\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.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\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\FrameworkList.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.UI.Xaml.2.0_2.1810.18004.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL089.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\AppxBlockMap.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.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\hi-IN\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\pl-PL\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\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-200_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-scavenge-space_31bf3856ad364e35_10.0.19041.1_none_73333b4c537bc554\ScavengeSpace.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..extservice-tigrinya_31bf3856ad364e35_10.0.19041.1_none_2863d34beb4a07ef\TableTextServiceTigrinya.txt 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_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.1_none_e2e6c013142b9760\tokens_ptBR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\OfflineTabs.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\navcancl.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\OfflineTabs.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-management-oobe_31bf3856ad364e35_10.0.19041.207_none_504b6becabbef9fe\oobeautopilotupdate-main.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\http_406.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy\speech\0409\tokens_enUS.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-deliveryoptimization_31bf3856ad364e35_10.0.19041.207_none_a87fa27025b2eaac\f\2213703c9c64cc61ba900531652e23c84728d2a2.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\500-13.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\LearnMore.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.423_en-us_f07e1f9c89d64ec4\oobe_learn_more_activity_history.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.423_none_0b0196a3d38fda4e\tokens_zhCN.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-s..iencehost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_411a61445fd08261\f\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_en-IN.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..raries-servercommon_31bf3856ad364e35_10.0.19041.906_none_87b019d7cebd66d4\IIS_schema.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..trolpanel.appxsetup_31bf3856ad364e35_10.0.19041.1_none_13506cbfd4a8499f\appxblockmap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-n..uickstart.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c81408a27d1805ca\r\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\diagnostics\index\PCWDiagnostic.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.423_none_204af7ff19532470\tokens_enAU.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\29.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\500.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\401-4.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-iis-startclient_31bf3856ad364e35_10.0.19041.1_none_689a6c454db469ea\iisstart.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\pdferrorrenewrentallicense.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..iveportal.appxsetup_31bf3856ad364e35_10.0.19041.1_none_ef32a78b44bbf362\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.1_none_e2e6c013142b9760\tokens_enUS.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..rastructureconsumer_31bf3856ad364e35_10.0.19041.1_none_69cd9c22cfcf9358\Rules.System.Summary.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-xbox-gamecallableui.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_f79b680f94668688\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\fr-FR\Rules.System.Network.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..xtservice.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c429f54b07aa1ba4\r\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\403-13.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-17.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_netfx-aspnet_appdata_b03f5f7f11d50a3a_10.0.19041.1_none_14471de20d4e0380\GroupedProviders.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..services-core-files_31bf3856ad364e35_10.0.19041.1_none_45dc4032c659ae7c\Rules.AD.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_de-de_1418e1a4e830cf09\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\501.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..sktop.appxmain.root_31bf3856ad364e35_10.0.19041.1266_none_3e00d223332897b8\DefaultSettings.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\pdferrorquitapplicationguard.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_en-us_6bac97f839f3675b\Rules.System.Disk.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_0e2f6adb2cec6f62\Report.System.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-waasmedic_31bf3856ad364e35_10.0.19041.207_none_11794cc79cc85d1d\r\ceb497ee0184aaa4681d2fb2ef242a5b8551eea8.xml smnss.exe File opened for modification C:\Windows\servicing\Sessions\31117836_209476968.back.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AssignedAccessLockApp_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-11.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\dom.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.1_none_f830216e59eee182\tokens_enGB.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_es-es_6b77f4dc3a1a5900\Report.System.Memory.xml smnss.exe File opened for modification C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\CP1251.TXT smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\PhishSiteEdge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\404-8.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\pdferrorneedcredentials.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..settings-searchdata_31bf3856ad364e35_10.0.19041.1_none_439c65ca3671ceda\AllSystemSettings_{253E530E-387D-4BC2-959D-E6F86122E5F2}.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft.processmitigations.commands_31bf3856ad364e35_10.0.19041.662_none_2a8c125210169f86\Microsoft.ProcessMitigations.Commands.dll-Help.xml smnss.exe File opened for modification C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\CP1254.TXT smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftSkypeForBusiness2016Win64.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-n..uickstart.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c81408a27d1805ca\r\AppxManifest.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\WinSxS\amd64_microsoft-windows-w..bviewhost.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_1277eb7f6aa856b4\r\AppxBlockMap.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 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 18389440bbdf40bf72b5f88a0e8d0a20N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 18389440bbdf40bf72b5f88a0e8d0a20N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 18389440bbdf40bf72b5f88a0e8d0a20N.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4844 smnss.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3540 wrote to memory of 4008 3540 18389440bbdf40bf72b5f88a0e8d0a20N.exe 86 PID 3540 wrote to memory of 4008 3540 18389440bbdf40bf72b5f88a0e8d0a20N.exe 86 PID 3540 wrote to memory of 4008 3540 18389440bbdf40bf72b5f88a0e8d0a20N.exe 86 PID 4008 wrote to memory of 4844 4008 ctfmen.exe 87 PID 4008 wrote to memory of 4844 4008 ctfmen.exe 87 PID 4008 wrote to memory of 4844 4008 ctfmen.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\18389440bbdf40bf72b5f88a0e8d0a20N.exe"C:\Users\Admin\AppData\Local\Temp\18389440bbdf40bf72b5f88a0e8d0a20N.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:3540 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\smnss.exeC:\Windows\system32\smnss.exe3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Maps connected drives based on registry
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ctfmen.exe
- Size 4KB
- SHA256 3c6a73f414eb2c3ea20aa9b7e8f19b970cbcc310a57e4ed0f12d1e50ca5809c3
- MD5 e9198b283e870b608278624e3a1b9228
- SHA1 2058b7c16e28b4f08905e0dccf112d0e3ca5383e
- SHA512 723da544046dc4a8feb1e963ddb140ae7bcc73bd9abc2c32e1cd68378db1346ed78f86a6646b7cf88c819757b8819f57e2e47623acb8540a9e142c78d1d5afda
- SSDEEP 96:LlIdSLQPZARC3dCE8Y0Jw5NL6EVwHHKg2:hswdRCNCE8YPWowHHK7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\grcopy.dll
- Size 41KB
- SHA256 d2da2cf472430e322032a705ea7eefe04cfdc3ebcc6acecc8b86422579ba44ed
- MD5 6d7ca15c52eabe4d6570d44478f93c99
- SHA1 dc496c4f1425371180163e11672548cca8152f4d
- SHA512 698d7cdfa636cd667f5c8d7ff75fcf9165a55a5f1fc12deaf30c96580d5a372854bb0dfc55eb1bb1223685a7142f6eefba16061cced4765c8abb0a9a726bf63c
- SSDEEP 768:YeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09Cy:Yq5VwWDjDkdTRqHFOn8tIbbeYiuZIFSz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\satornas.dll
- Size 183B
- SHA256 9cde2f533be0ca93d4bdb7d6718ef32639f11c32475e7ba13116d6654e4ca272
- MD5 76eeef800d987785c9d5d8ce7f034f0a
- SHA1 d6ee8ffc88f7c7cb872f180c21da124cf8734f95
- SHA512 d782ba8a2ff45a57d78b0d5989f0a9108d0919e66797607dad371b10377a0f1845834281aa38d085cef60ef1391a75203b6b4e0f0dfb27dc2a8c02affdb5cd02
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\shervans.dll
- Size 8KB
- SHA256 f06c2f4c99fe0883b656d341cc1e2b17bb192ab5c67433de0830fd55124ac2f1
- MD5 1fe7c880776313cc12f45df666169eb0
- SHA1 f05039207a9946b76198dd05fdacfb48d00579b2
- SHA512 4f68b595d6154285bfc5e54b9d919c4fa950e14c0cfda5eaa2a71e26fc932770bab3939e456c7ab830f8b79fb8a347622d44948b55c258555ab0fe60f466eac2
- SSDEEP 192:Fh4SFyvWohE5xf6YUBSL63SUJqtMblWN:FO+ohE2B13NJqtM
- MD5 SHA1 SHA512 SSDEEP