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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe
Resource
win10v2004-20240508-en
General
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Target
4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe
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Size
75KB
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MD5
20dcf1c469e68983e50d9976c92274b0
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SHA1
dbea4941b1aaf29bf1bb0aae87e61fcd08a1cee4
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SHA256
4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7
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SHA512
b53d1af2901e8c817b9d2b4c54992d138e4dd63a273617851c86cdfd491e38987655323a26fbb11b364f1cf1c16b59a61e333c621091b8acfe3c9e718032ef85
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SSDEEP
1536:ax1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3s:KOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPE
Malware Config
Signatures
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UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/files/0x0007000000023403-9.dat UPX behavioral2/memory/3620-17-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/files/0x0008000000022f51-19.dat UPX behavioral2/memory/3620-22-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/memory/2464-23-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral2/memory/2464-28-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral2/memory/2448-36-0x0000000010000000-0x000000001000D000-memory.dmp UPX -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\drivers\gmreadme.txt smnss.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0007000000023403-9.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 2464 ctfmen.exe 2448 smnss.exe -
Loads dropped DLL 2 IoCs
pid Process 3620 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe 2448 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" 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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) \??\H: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\N: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\Q: 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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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\F12\Timeline.cpu.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml smnss.exe File created C:\Windows\SysWOW64\shervans.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe File created C:\Windows\SysWOW64\smnss.exe 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe File opened for modification C:\Windows\SysWOW64\AppxProvisioning.xml 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\MSDRM\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.xml smnss.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe File created C:\Windows\SysWOW64\satornas.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_TTS_en-US_david.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.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\IME\IMEJP\APPLETS\IMJPCLST.XML smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe File created C:\Windows\SysWOW64\grcopy.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP-pipelineconfig.xml smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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\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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.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\SysWOW64\NdfEventView.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\grcopy.dll 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe File created C:\Windows\SysWOW64\zipfiaq.dll 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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon.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\es-ES\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\tsprint.inf_amd64_6066bc96a5f28b44\tsprint-PipelineConfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.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\fr-FR\default.help.txt smnss.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW-pipelineconfig.xml smnss.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_x86_360f6f3a7c4b3433\I386\unishare-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\SysWOW64\icsxml\cmnicfg.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-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\potscfg.xml smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer2019_eula.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Corbel.xml 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\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.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\mk-MK\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\en-us\onenote_whatsnew.xml 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\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppxManifest.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.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.Telemetry\BIEvents.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL081.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN114.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.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\en-GB\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\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\pages\winrthost.htm smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ICELAND.TXT smnss.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\jvm.hprof.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\en-us\pages\wefgalleryonenoteinsertwinrt.htm smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_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\fi-FI\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00.UWPDesktop_14.0.27629.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.DCF.DCF.x-none.msi.16.x-none.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sq-AL\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\vi.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.es-es.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MANIFEST.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-125_kzf8qxf38zg5c\AppxBlockMap.xml 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.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Assets\HeroAppTile.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\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_~_kzf8qxf38zg5c\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\CortanaCommands.xml smnss.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\WinFXList.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\README.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt smnss.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\uk-UA\assets\ErrorPages\BlockSite.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-editions-professional_31bf3856ad364e35_10.0.19041.264_none_ba5e4a287945a683\IoTEnterpriseEdition.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\http_500.htm smnss.exe File opened for modification C:\Windows\diagnostics\index\IESecurityDiagnostic.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ApplicationGuard\LearnMore.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_de-de_6988eb133eb82b0f\403-4.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_it-it_2fceb6f1060351fa\needhvsi.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-w..for-management-core_31bf3856ad364e35_10.0.19041.1_none_805682e34c6552d0\wsmanconfig_schema.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\forbidframingedge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_es-es_bcd51481d735cc73\Rules.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\tokens_enCA.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\404-6.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\http_gen.htm 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\PLA\Rules\ja-JP\Rules.System.Summary.xml smnss.exe File opened for modification C:\Windows\PrintDialog\appxmanifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\tokens_esMX.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..anagement-container_31bf3856ad364e35_10.0.19041.1_none_dc8438e1679872b4\PolicyManagerHvsiSettingProvider.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.1_de-de_1f727312db940011\oobe_learn_more_activity_history.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.1_none_f830216e59eee182\tokens_zhCN.xml smnss.exe File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-apprep-chxapp.appxmain_31bf3856ad364e35_10.0.19041.423_none_15f557c171018574\baseTemplate.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_b4fc93ef208f3edb\404-11.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-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\needie.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..iondialog.appxsetup_31bf3856ad364e35_10.0.19041.1_none_a029d8a7ac063705\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipsnor.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\ja-JP\assets\ErrorPages\defaultbrowser.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\BingConfiguration\BingConfiguration_en-CA.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\9.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\403-18.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..t-browser.appxsetup_31bf3856ad364e35_10.0.19041.1_none_d44e7a35319acbe3\AppxBlockMap.xml 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.Memory.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..lcontrols.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_40b016a173f49507\r\AppxManifest.xml smnss.exe File opened for modification C:\Windows\servicing\Sessions\31105347_4097900421.back.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\pdferrorquitapplicationguard.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_10.0.19041.173_none_af877ec0b0472fde\oskclearui.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_wpf-winfxlist_31bf3856ad364e35_10.0.19041.1_none_f6cde0e88f669b4e\WinFXList.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-editions-professional_31bf3856ad364e35_10.0.19041.1288_none_51444fcfcf940a66\UpgradeMatrix.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy\speech\0410\tokens_itIT.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..sslockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_7014825cdc7916b8\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..rymanager.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_f52dbf51d6536fa6\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-lockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_73bddbc9c1fb11b2\AppxManifest.xml 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.Summary.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-r..verycenter-platform_31bf3856ad364e35_10.0.19041.153_none_212a5b73f083deb3\SystemResetPlugins.xml smnss.exe File opened for modification C:\Windows\diagnostics\index\KeyboardDiagnostic.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\proxyerror.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-t..nputpersonalization_31bf3856ad364e35_10.0.19041.746_none_1da55dc225237a0d\ipssve.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\de-DE\assets\ErrorPages\needie.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\403-17.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\PhishSiteEdge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobelightfooterhost.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-r..verycenter-platform_31bf3856ad364e35_10.0.19041.964_none_21209b01f08afd33\SystemResetPlugins.xml smnss.exe File opened for modification C:\Windows\Installer\$PatchCache$\Managed\68AB67CA7DA73301B744CAF070E41400\15.7.20033\CENTEURO.TXT smnss.exe File opened for modification C:\Windows\PLA\Rules\ja-JP\Rules.System.Memory.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-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\r\oobelocalaccount-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-devicediagnostic_31bf3856ad364e35_10.0.19041.1_none_9f161f16da1d1848\DeviceDiagnostic.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-mediaplayer-core_31bf3856ad364e35_10.0.19041.153_none_e95531bdadf3df5c\RenderingControl.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-u..userpredictionmodel_31bf3856ad364e35_10.0.19041.1_none_42c9bed4b6bd2e16\SBCModel.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.173_none_6486f23c2831aaf3\r\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\diagnostics\index\WindowsMediaPlayerConfiguration.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\common-footer-template.html smnss.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2448 smnss.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3620 wrote to memory of 2464 3620 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe 93 PID 3620 wrote to memory of 2464 3620 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe 93 PID 3620 wrote to memory of 2464 3620 4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe 93 PID 2464 wrote to memory of 2448 2464 ctfmen.exe 94 PID 2464 wrote to memory of 2448 2464 ctfmen.exe 94 PID 2464 wrote to memory of 2448 2464 ctfmen.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.exe"C:\Users\Admin\AppData\Local\Temp\4b8c52918bd30d1cd30ba7779cfed1aa68a5d18f2168b1514dab1cdef6f0e2e7.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:3620 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2464 -
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:2448
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD59df0c4f7466221bec22220e9640cf626
SHA1c5365c1b6cf0b905497582c1a0096c56ac799ddd
SHA2561cbf4929ffab50af6e4ba5d1ec6d04493281c701fb3f5b8e3ad1fe1ab6ca5dd1
SHA5123b10b94c90a3d413fff805ca7f7bc51c65cdccab1cbc0578a98497869d1d332eb1e57373a5d20b425ce96a094dc59a1d00def99e628567fee97fbf41d51286d6
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Filesize
75KB
MD542c4b6734a1c725e48c3ae12ffc43c7a
SHA1bafb92359e59dc84d17fa4f84b089bf43e6ce90e
SHA2563fc9309549d21865199beed063351c36c32e9f4a1ab1766673cf0fa10049e0a3
SHA5122a79d26401e611b1c75e24b1193af96f493cf41eeab52a1d6fbc2b18756e2b04c2323a5159ab84c77c24d8ecd90c30c149e1a1936bb5b17d9018c2797c28938b
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Filesize
183B
MD5618f396f4daf170ef857278caf3255ce
SHA13076f395361b52251e690ae9e21a6a63fdd970c2
SHA256db2d354d8978ad0bea19d1e8754d9cdee8657b8b1033d0db972e65e28b20cb76
SHA512060735c4b99c5b383d055da5f8f47d65665b45b8453a7bfe3f9ae1dd87e2b588b4b09bfed530e3a6f0e0b90bb3a9acad09d7e38f99e04b21a14af560f3a937ed
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Filesize
8KB
MD5b42aae95c6079423298e5e56c673d71b
SHA15b3dfb1b0ad6e036b9dcbed75ff144dc6fd1866e
SHA256853d9c477d569eee537b4a8ff8137a7b1d52fe90bfd6fb5ee58d82ab2350b59b
SHA5120c9a6d295c28ab833c40adaa57840efae0d75ee465e5e7e983c8fb5132a792587a940d5b85b81348e93db591d78cbb6e495038afaef52f7595b45ed2fe28416e