Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15/06/2024, 21:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe
Resource
win7-20240611-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
17 signatures
150 seconds
General
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Target
5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe
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Size
2.3MB
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MD5
0a4828fbc9fa89b1cfddf53cd0f6652f
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SHA1
c86c2246c6ca3aa8c8c3a9743585920f6d83e37a
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SHA256
5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48
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SHA512
e3ce832a63423ece52d7836a42e66f011fd1afe8416bcec69bb2cb6866de4b8ef084be682cc0ef00e2686a153510aaa9e598e8c4d0afea401a917c671fdf3646
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SSDEEP
49152:bjvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:brkI9rSjA5aDo73pzF2bz3p9y4HgIoov
Score
9/10
Malware Config
Signatures
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UPX dump on OEP (original entry point) 14 IoCs
resource yara_rule behavioral2/files/0x00070000000233f2-11.dat UPX behavioral2/memory/392-19-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/files/0x0008000000022f51-21.dat UPX behavioral2/memory/392-22-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/1988-27-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral2/memory/392-24-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/memory/4704-38-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/memory/4704-39-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-41-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-43-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-45-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-47-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-49-0x0000000000400000-0x0000000000DCE000-memory.dmp UPX behavioral2/memory/4704-51-0x0000000000400000-0x0000000000DCE000-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/0x00070000000233f2-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 1988 ctfmen.exe 4704 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 4704 smnss.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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" 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.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) \??\I: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\S: smnss.exe 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) \??\R: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\E: 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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File created C:\Windows\SysWOW64\ctfmen.exe 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.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\tokens.xml smnss.exe File created C:\Windows\SysWOW64\shervans.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.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\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt 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\shervans.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.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\icsxml\pppcfg.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.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\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsXPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-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\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.xml smnss.exe File created C:\Windows\SysWOW64\grcopy.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.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\ctfmen.exe 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt smnss.exe File opened for modification C:\Windows\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\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File created C:\Windows\SysWOW64\satornas.dll 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe File opened for modification C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.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\zipfiaq.dll 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\SysWOW64\Speech_OneCore\Common\en-US\Tokens_SR_en-US-N.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\wbem\xsl-mappings.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml smnss.exe File opened for modification C:\Windows\SysWOW64\F12\Timeline.cpu.xml smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File opened for modification C:\Windows\SysWOW64\AppxProvisioning.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\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-pipelineconfig.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.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\Speech_OneCore\Common\en-US\tokens_TTS_en-US.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\default.help.txt smnss.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
pid Process 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe 4704 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process 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\7-Zip\Lang\mng2.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US_POSIX.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN086.XML smnss.exe File opened for modification C:\Program Files (x86)\Microsoft.NET\RedistList\AssemblyList_4_extended.xml smnss.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_TestDrive.help.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_2019.904.1644.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.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\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Assets\AppTile.xml smnss.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceYi.txt smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\jmc.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\HeartbeatConfig.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ja-JP\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.VisualElementsManifest.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_GB_EURO.txt smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\SupplementalDictionaries\en_US\Excluded.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\Heartbeat\HeartbeatCache.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\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Mocking.help.txt smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ROMANIAN.TXT smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.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\Microsoft Office\root\Document Themes 16\Theme Fonts\Georgia.xml smnss.exe File opened for modification C:\Program Files\Windows NT\TableTextService\TableTextServiceArray.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN010.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\vpaid.html smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN108.XML smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\offset_window.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\BuildInfo.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.XboxSpeechToTextOverlay_1.17.29001.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsfin.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OsfInstallerConfig.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32ww.msi.16.x-none.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.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL095.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\manifest.xml smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\bookviewer-hostext.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-x..ectdialog.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_fe2a3fc32038c1d1\f\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..raries-servercommon_31bf3856ad364e35_10.0.19041.906_none_87b019d7cebd66d4\r\IIS_schema.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\dnserror.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\23\storage\storage.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftLync2013Win64.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-hvsi-service-shared_31bf3856ad364e35_10.0.19041.1_none_3cfd44d351b1a8ab\HvsiMachinePolicies_ContainerRealtime.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_d1f435fdf91e63d5\pdferrormfnotfound.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_it-it_f8576122041e54e0\Rules.System.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.1_none_f59d207965b1bbc3\ipscht.xml smnss.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\SubsetList\Client.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy\Loading.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-13.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_0e2f6adb2cec6f62\Rules.System.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\oskclearuibase.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.1266_none_fb76f6fb7e78a373\AppxManifest.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\de-DE\Report.System.Performance.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\unifiedEnrollmentOnPremAuth.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\oobe-chrome-breadcrumb-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-font-fms_31bf3856ad364e35_10.0.19041.1_none_fdc3c32153adba41\fms_metadata.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\403-16.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\pdferrorrepurchasecontent.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_it-it_f8576122041e54e0\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\cortana.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.423_none_0b0196a3d38fda4e\tokens_esMX.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.Network.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..rastructureconsumer_31bf3856ad364e35_10.0.19041.1_none_69cd9c22cfcf9358\Rules.System.Diagnostics.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipsrus.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.746_none_afaafac6b02c16fa\insertbase.xml smnss.exe File opened for modification C:\Windows\WinSxS\x86_netfx4-assemblylist_extended_xml_b03f5f7f11d50a3a_4.0.15805.0_none_190f33680a2debb9\AssemblyList_4_extended.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..view-host-appxsetup_31bf3856ad364e35_10.0.19041.1023_none_bc2fe801d2277712\r\appxmanifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_it-it_49b480c7a139c853\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\pdferrorneedcredentials.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\401-1.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\forbidframingedge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.1_none_f830216e59eee182\tokens_frFR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-sharedaccess_31bf3856ad364e35_10.0.19041.207_none_e2f2dfeea7fa44fc\potscfg.xml smnss.exe File opened for modification C:\Windows\diagnostics\index\DeviceCenterDiagnostic.xml 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\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\unifiedEnrollmentOnPremAuth.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\500-16.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-lockapp.appxsetup_31bf3856ad364e35_10.0.19041.1_none_b4d732bfac342c25\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-narrator_31bf3856ad364e35_10.0.19041.84_none_b5c0f628d1d661eb\DetailedReading-Default.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\21.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_pt-BR.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\en-US\Rules.System.Diagnostics.xml smnss.exe File opened for modification C:\Windows\WaaS\tasks\5ffea6126f02e78b9099eb4614d2d339f03ca5a8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-u..tings-windowsclient_31bf3856ad364e35_10.0.19041.1_none_303c934463211164\windows.diag_ondemand.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.1_none_e2e6c013142b9760\tokens_frFR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipsdan.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipshi.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-trustedinstaller_31bf3856ad364e35_10.0.19041.1202_none_05cd606e025d0d96\20bbcadaff3e0543ef358ba4dd8b74bfe8e747c8.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_windows-id-connecte..guration-production_31bf3856ad364e35_10.0.19041.1_none_cf32ea117c8724fc\wlidsvcconfig.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\surfaceHubDeviceUser\view\main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftOutlook2016CAWin32.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\defaultbrowser.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\pdferrorneedcontentlocally.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_dual_prnms011.inf_31bf3856ad364e35_10.0.19041.1_none_7aecd5910914aee5\Amd64\MSAppMon.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\tokens_frFR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-pcwdiagnostic_31bf3856ad364e35_10.0.19041.1266_none_69f1a169b4d96a7c\PCWDiagnostic.xml smnss.exe File opened for modification C:\Windows\Panther\unattend.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\defaultbrowser.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..xtservice.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_c429f54b07aa1ba4\f\AppxManifest.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 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4704 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 4704 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 392 wrote to memory of 1988 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 86 PID 392 wrote to memory of 1988 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 86 PID 392 wrote to memory of 1988 392 5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe 86 PID 1988 wrote to memory of 4704 1988 ctfmen.exe 87 PID 1988 wrote to memory of 4704 1988 ctfmen.exe 87 PID 1988 wrote to memory of 4704 1988 ctfmen.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe"C:\Users\Admin\AppData\Local\Temp\5931b210ad633d1584b51b11b5696a26ab7f2b52011195d78c6b0ca915351d48.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1988 -
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
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4704
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD54859b169bc8246c7c83a9db6bc8527f8
SHA1ccb9047307c5524eae347c61f012ccda101bd642
SHA2564d1e65c0295c694fc89b139574af428a8aafbbfaafcaf62adbc0fd9d03424b62
SHA5121e394ceb6995b04e016f87cda5789afc975c39834f01b9a18a0731ec80cd66333fb5efdc06ef34a5ab112a644a78f382656865b78b8f1d909940e4a8d171c910
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Filesize
2.3MB
MD5c8cef4aa4aebaa2cce2e9e282a87c96f
SHA13d8547f15d9060e9c3e49ba543d381c1308a3ddc
SHA256bd987ef2ef96dc0ee1e8bf136b82f73f9d9a023e5d3d9107fb38007ba9df072a
SHA512ac3733a27b7ff4125d20bf0d3f06c9460cb610d9880494ebe439af00615c57fc7b566bdc4d97bc8f0869752ff5b3f467f7186a5d814ede9afdac7b1f059c7df9
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Filesize
183B
MD5340f0df8785722605ff70ed9bce6f55a
SHA1875798c8090ca37f1d1c3eb8f8fb1fa1c4a1b74b
SHA25692a3cdef6d8914bf352a094b2f07d944346c3fdfe2979cfe9fb479d65796fee6
SHA512cf129f0c5be811d46f0d646f5f0d0765e6c2aacc407782f3cc3fd2a50df3185420580a6534bffd3314749bb4cb3fe4cce46144e6bf3d8907dbef825be1ed4708
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Filesize
8KB
MD5c47b1fad7c690a44a05f9ab834e00efe
SHA1110ad7d35d684f4f0113d5010076f23f1eae6236
SHA2565c9ea9b858079556f308126eb37fbbd9b3a53f0c44fb5b4b3da860d7e3d2f1fb
SHA512b55179643a1305c26852baacfc434cbf0b26203e741d7019c4be0027b52be42228ff480c1949bfc456a1459a481561f30a2e65f73bbe3e78688d99660890b078