Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08/09/2024, 02:53
Static task
static1
Behavioral task
behavioral1
Sample
d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe
Resource
win10v2004-20240802-en
General
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Target
d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe
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Size
2.3MB
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MD5
4f788fda7994fd4cdd3611b30bfd4663
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SHA1
a52ef8fc668943131b4d0ac875e4722e2f0b035b
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SHA256
d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299
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SHA512
8bd9cbe9a6322eaecc50d4e4c2156696593d0b1bc53416f00ca5005642d0bb48e57a26ce884ae6212d6026293684051b026592d804417bb0d70653a466e82505
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SSDEEP
49152:3jvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:3rkI9rSjA5aDo73pzF2bz3p9y4HgIoov
Malware Config
Signatures
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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/0x0007000000023501-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 4304 ctfmen.exe 3372 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 3372 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" d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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) \??\G: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\R: 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) \??\P: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\W: 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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 smnss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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 -
Drops file in System32 directory 64 IoCs
description ioc Process 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-PDC.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_x86_360f6f3a7c4b3433\I386\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms006.inf_amd64_c3bdcb6fc975b614\SendToOneNote-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\default.help.txt smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\F12\Timeline.cpu.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt 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\SysWOW64\satornas.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.xml smnss.exe File created C:\Windows\SysWOW64\grcopy.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe File opened for modification C:\Windows\SysWOW64\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\cmnicfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt 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\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.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\potscfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe File created C:\Windows\SysWOW64\satornas.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml smnss.exe File created C:\Windows\SysWOW64\shervans.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wbem\xsl-mappings.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.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\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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\Tokens_SR_en-US-N.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.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\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-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\SysWOW64\WindowsPowerShell\v1.0\en-US\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\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPassthrough-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms008.inf_amd64_69b5e0c918eab9a6\Amd64\unishare3d-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\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
pid Process 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe 3372 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process 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 (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Abbreviations\en_CA\List.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL117.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\Store.Purchase\Controls\Xbox360PurchaseHostPage.html smnss.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_BeforeEach_AfterEach.help.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_2019.19071.19011.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\pl-PL\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\sl-SI\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.VisualElementsManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Dictionaries\en_GB\WordNet_license.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_~_kzf8qxf38zg5c\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt 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 (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ROMAN.TXT smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ms-MY\View3d\3DViewerProductDescription-universal.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\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\AppxBlockMap.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.NET.Native.Framework.2.2_2.2.27405.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL010.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.WindowsCamera_2018.826.98.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_2019.305.632.0_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\km-KH\View3d\3DViewerProductDescription-universal.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.XboxGameOverlay_1.46.11001.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN082.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\vi.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_2019.904.1644.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml 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\Common.View.UWP\Strings\fil-PH\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Adobe\symbol.txt smnss.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceDaYi.txt smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\http_400.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\invalidcert.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..ectionflow.appxmain_31bf3856ad364e35_10.0.19041.423_none_0b0196a3d38fda4e\tokens_frCA.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-wlansvc.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_96396a6128717133\Report.System.Wireless.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_netfx4-ngenassemblyexclusionclient_31bf3856ad364e35_4.0.19041.1_none_6e3f71d318a8f11a\clientexclusionlist.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\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_cd2d1cde69f392b4\pdferrormfnotfound.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-hvsi-service-shared_31bf3856ad364e35_10.0.19041.1151_none_fbdc4c5f677dc2ec\AuditPol_ContainerRealtime.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\http_406.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_9a7ce02ef73966bb\Rules.System.Configuration.xml smnss.exe File opened for modification C:\Windows\WinSxS\wow64_microsoft-windows-mediaplayer-core_31bf3856ad364e35_10.0.19041.153_none_f3a9dc0fe254a157\avtransport.xml smnss.exe File opened for modification C:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_f619255888acbca6\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\PLA\Rules\Rules.System.Configuration.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-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\tokens_ptBR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\500-15.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-12.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-printdialog.appxsetup_31bf3856ad364e35_10.0.19041.1_none_e79b7034919a6194\appxmanifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\WpcBlockFrame.htm 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\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\22.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..eexplorer.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_03d7aa1083b7645d\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\403-18.htm 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\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\RetailDemo\retailDemoSecurityInclusive.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobeeula-main.html 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-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\header.html smnss.exe File opened for modification C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowAll_EnableHVCI.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\navcancl.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\acr_error.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\wow64_microsoft-windows-t..-coreinkrecognition_31bf3856ad364e35_10.0.19041.746_none_d5e636c38e22b9d4\ThirdPartyNotices.MSHWLatin.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-9.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..-coreinkrecognition_31bf3856ad364e35_10.0.19041.1_none_a3894f289a50398f\ThirdPartyNotices.MSHWLatin.txt smnss.exe File opened for modification C:\Windows\WinSxS\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_247add106824ed63\default.help.txt 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-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\hstscerterror.htm smnss.exe File opened for modification C:\Windows\PLA\Reports\es-ES\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\DisableAboutFlag.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\pdferrorunknownerror.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AddSuggestedFoldersToLibraryDialog_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\21.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\ThemeSettings2013.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..rastructureconsumer_31bf3856ad364e35_10.0.19041.1_none_69cd9c22cfcf9358\Rules.System.Disk.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\BlockSite.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\tokens_enUS.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-p..econsumer.resources_31bf3856ad364e35_10.0.19041.1_es-es_6b77f4dc3a1a5900\Report.System.Disk.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..settings-searchdata_31bf3856ad364e35_10.0.19041.1266_none_02712bcc4c459e88\f\AllSystemSettings_{253E530E-387D-4BC2-959D-E6F86122E5F2}.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\500-16.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\acr_error.htm smnss.exe File opened for modification C:\Windows\PLA\Reports\ja-JP\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\de-DE\Rules.System.Finale.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..gshellapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_b4c98345579ad387\r\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobeactivitysyncconsent-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\oobe-textinput-template.html smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\WpcBlockFrame.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\core\view\default-contentview-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\500-19.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\invalidcert.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-management-oobe_31bf3856ad364e35_10.0.19041.1266_none_e6ebbe2a02425392\oobeenterpriseprovisioning-main.html 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3372 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 3372 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1100 wrote to memory of 4304 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 86 PID 1100 wrote to memory of 4304 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 86 PID 1100 wrote to memory of 4304 1100 d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe 86 PID 4304 wrote to memory of 3372 4304 ctfmen.exe 87 PID 4304 wrote to memory of 3372 4304 ctfmen.exe 87 PID 4304 wrote to memory of 3372 4304 ctfmen.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.exe"C:\Users\Admin\AppData\Local\Temp\d592d4b8294185793c33562d54931048192717869399de71517d73d5f29a9299.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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4304 -
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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD5a1954777b736d25ce0fb6884decb0745
SHA12c784c8a13ad1206305bc2ea13ca041e5b751ecd
SHA25633603adc57f462fbaa788d82476545f1204617eaa68200111d6ea2d9ec7aaaf1
SHA5128d699b1840845fe9a1418c2ca72e70c9e58f6c18c5d74e00a53aff4cc11d12d689eb7043d571e39d46d68b4704e82d6ba1a5425495ec7b419cf7dbee9d0a078b
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Filesize
2.3MB
MD5568c1a3a38e83d1e249a625fcfc773c1
SHA1fd6844cd827fc3300e312d899880f321c9a49c84
SHA256eb9c1dcd9c1fc542cb941f12ceaa33b17b40d5a3bcb3a0c4b82c601ca4e87bc1
SHA5129f554bc64f896a85461775e9fe7d76beb7095ce27e6401f64b228ec59140bfc4f8f44a88439ebbf9eb70a67375e629ba27f7a06c24f50ba97c4cc70018741457
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Filesize
183B
MD5d2d3e41349e0d56dc1bf933bd0f4d3c6
SHA1859248ba9788067658e512a6114df6493d58b705
SHA2562bfab147d9d2184229c25053cd24c042471bedee6dd610a898ba8fb43ec30e52
SHA51225e523dbe58a88f1487209bec35c4e7f20c9d490f05f48c878fe8f3a8d83efc4a46471b0031e697369f628dd6c3826ae5ecb4a6c686c1fd6204b41183ede5cb6
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Filesize
8KB
MD59e1c1b2571f695d553ca53f57ea1320e
SHA18d59e0519ecbf7c88e9e24d8eb3d31aeab7c711c
SHA256d561bf33263ea895796a80c308e9d99f73af9fa9c6166c16df2841d421956360
SHA512ac6e86e15ca9a4da589bf770ff05e8d1dd9a5a08a28cabfba84e072f3e4523db9b113dd3255a1bfe39376aa6ecd8d7fc5c63646825a32cbcb6fa3f96a487cffd