Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
07/04/2024, 20:53
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
15 signatures
150 seconds
General
- Target 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe
- Size 41KB
- Sample240407-zpc26aeb9s
- SHA256 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365
- MD5 afd683fe49697266b6243ff9fc12b865
- SHA1 84ccd89e338f14788a1450103681e38554064639
- SHA512 f37023d0a27c3d8d3351966afcba60313f49c7665903b834526b8efc839efce16d1657213af58f1c717bed627e938349c3bf5621334127289cb4ba2334cdcc0a
- SSDEEP 768:lKeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09Cy:Aq5VwWDjDkdTRqHFOn8tIbbeYiuZIFSz
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 23 IoCs
resource yara_rule behavioral2/memory/3872-0-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/files/0x0007000000023208-10.dat UPX behavioral2/memory/3872-12-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/files/0x0007000000023209-16.dat UPX behavioral2/files/0x000d00000002315a-22.dat UPX behavioral2/memory/3872-24-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/memory/2216-23-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral2/memory/3872-21-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-33-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-36-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral2/memory/376-37-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-39-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-41-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-43-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-45-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-47-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-51-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-53-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-55-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-57-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-59-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-61-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral2/memory/376-63-0x0000000000400000-0x000000000041F000-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/0x0007000000023208-10.dat acprotect - Executes dropped EXE 2 IoCs
pid Process 2216 ctfmen.exe 376 smnss.exe - Loads dropped DLL 2 IoCs
pid Process 3872 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe 376 smnss.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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) \??\L: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\U: smnss.exe File opened (read-only) \??\G: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\J: smnss.exe File opened (read-only) \??\T: smnss.exe File opened (read-only) \??\X: smnss.exe File opened (read-only) \??\K: smnss.exe File opened (read-only) \??\M: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\W: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\I: smnss.exe File opened (read-only) \??\N: 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 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1 smnss.exe - Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\AppxProvisioning.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms001.inf_amd64_8bc1bda6cf47380c\MXDW-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPS-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms010.inf_amd64_9e410195c3b236c9\Amd64\MSECP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\osinfo.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsCodecsRaw.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\default.help.txt smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\satornas.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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 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\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms014.inf_amd64_faec3fc366f8e1fa\Amd64\MSMPS.xml smnss.exe File created C:\Windows\SysWOW64\smnss.exe 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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\ctfmen.exe 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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\prnms011.inf_amd64_f83138380f5fb6ab\Amd64\MSAppMon-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\Recovery\ReAgent.xml smnss.exe File opened for modification C:\Windows\SysWOW64\tcpbidi.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\default.help.txt smnss.exe File created C:\Windows\SysWOW64\shervans.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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\System32\DriverStore\FileRepository\prnms004.inf_amd64_c28ee88ec1bd4178\Amd64\unisharev4-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\pppcfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\en-US\tokens_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\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-PDC.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\potscfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe File created C:\Windows\SysWOW64\ctfmen.exe 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\ntprint4.inf_amd64_0958c7cad3cd6075\Amd64\V3HostingFilter-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms003.inf_amd64_0e2452f597790e95\Amd64\unishare-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms009.inf_amd64_a7412a554c9bc1fd\MPDW_devmode_map.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\zipfi.dll smnss.exe File opened for modification C:\Windows\SysWOW64\MailContactsCalendarSync\LiveDomainList.txt smnss.exe File opened for modification C:\Windows\SysWOW64\Speech_OneCore\Common\tokens.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\prnms005.inf_amd64_add71423ba73e797\Amd64\MSxpsPCL6-pipelineconfig.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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\SysWOW64\wsmanconfig_schema.xml smnss.exe File created C:\Windows\SysWOW64\grcopy.dll 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSXPS2.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\cmnicfg.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\en-US\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\prnms012.inf_amd64_707d3849370b9d23\Amd64\MSIPP.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\ipcfg.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR.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\System32\DriverStore\FileRepository\prnms007.inf_amd64_8bbf44975c626ac5\Amd64\MSPWGR-pipelineconfig.xml smnss.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN002.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sk-SK\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL112.XML smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\LICENSE.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPack2019Eula.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_2019.1111.2029.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\view.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00.UWPDesktop_14.0.27629.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.513.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml smnss.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\bootstrap.html smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\kn-IN\View3d\3DViewerProductDescription-universal.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.YourPhone_2019.430.2026.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\SubsetList\Client.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.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_CA\README_th_en_CA_v2.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml smnss.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL083.XML smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN120.XML smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\af-ZA\View3d\3DViewerProductDescription-universal.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\VideoLAN\VLC\README.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\networkmanifest.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\index.html 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.Advertising.Xaml_10.1808.3.0_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\uz-Latn-UZ\View3d\3DViewerProductDescription-universal.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\AppxManifest.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\Office16\1033\WORD_WHATSNEW.XML smnss.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.VisualElementsManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\AppxManifest.xml 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.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.2.2_2.2.27328.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPackEula.txt smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinClassNotebook.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files (x86)\Windows Media Player\Media Renderer\connectionmanager_dmr.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Marquee.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\AppxBlockMap.xml smnss.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\AppxManifest.xml smnss.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML smnss.exe - Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-iis-powershellprovider_31bf3856ad364e35_10.0.19041.1_none_5141693de66f81ed\NavigationTypes.namespace.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\repost.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\views\roamingDisambiguation.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-dot3svc.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_ebd9ffd49454da2e\Rules.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\404-4.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..iguration.searchapp_31bf3856ad364e35_10.0.19041.1_none_6a5e909ee80bfce7\BingConfiguration_en-GB.xml smnss.exe File opened for modification C:\Windows\WinSxS\x86_netfx35linq-framework_assemblylist_31bf3856ad364e35_10.0.19041.1_none_2c307273305d92dd\FrameworkList.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..gement-uevtemplates_31bf3856ad364e35_10.0.19041.1_none_0d66b54875835a49\MicrosoftSkypeForBusiness2016Win32.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..gshellapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_b4c98345579ad387\f\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..ore-files.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_ae1a3f14dc8289ff\Report.AD.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\500-14.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..documents.resources_31bf3856ad364e35_10.0.19041.423_en-us_f07e1f9c89d64ec4\r\OOBE_HELP_Opt_in_Details.htm smnss.exe File opened for modification C:\Windows\PLA\Reports\de-DE\Report.System.CPU.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\view\oobeactivitysyncconsent-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobeprovisioningentry-main.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_es-es_12451df02dbd2879\404-2.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-o..tiveportal.appxmain_31bf3856ad364e35_10.0.19041.423_none_204af7ff19532470\tokens_enIN.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft.configci.commands_31bf3856ad364e35_10.0.19041.1081_none_21d54f6a980a590b\AllowAll_EnableHVCI.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\it-IT\Rules.System.Performance.xml smnss.exe File opened for modification C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowAll_EnableHVCI.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_dual_prnms004.inf_31bf3856ad364e35_10.0.19041.1_none_f59945c05aa85d79\Amd64\unisharev4-pipelineconfig.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-2.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_es-es_a2ef4aab3bff561a\forbidframingedge.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_45a6c0aa2ed16c7c\http_501.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-wmpnss-service_31bf3856ad364e35_10.0.19041.1_none_b977d9566df127e9\ContentDirectory.xml smnss.exe File opened for modification C:\Windows\Globalization\Time Zone\timezones.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-ecapp.appxsetup_31bf3856ad364e35_10.0.19041.1_none_ae653a53c0cafb8a\AppxBlockMap.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_en-us_1279c10c2d9636d4\401-1.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_414a0942eadc3634\404-15.htm 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.Common.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\de-DE\Rules.System.Disk.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\unifiedEnrollmentFinished.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-s..e.desktop.searchapp_31bf3856ad364e35_10.0.19041.1_none_43fe9f4e368e081f\16.txt smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-sharedaccess_31bf3856ad364e35_10.0.19041.207_none_e2f2dfeea7fa44fc\ipcfg.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-provisioning-core_31bf3856ad364e35_10.0.19041.844_none_95c651508e565d13\CountryTable.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\speech\0c09\tokens_enAU.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkCaptivePortal_cw5n1h2txyewy\speech\0416\tokens_ptBR.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-bitsdiagnostic_31bf3856ad364e35_10.0.19041.1_none_023d0df5c3f06a00\BITSDiagnostic.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\BlockSite.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-ui-pcshell_31bf3856ad364e35_10.0.19041.746_none_f297ff1a159e7f05\r\DefaultLayouts.xml smnss.exe File opened for modification C:\Windows\diagnostics\index\WindowsMediaPlayerPlayDVD.xml smnss.exe File opened for modification C:\Windows\PLA\Rules\Rules.System.Network.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\es-ES\assets\ErrorPages\PhishSite_Iframe.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\enterpriseNgcEnrollment\views\enterpriseNgcEnrollment.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_10.0.19041.1_ja-jp_a673a811fe1122c1\default.help.txt smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\fr-FR\assets\ErrorPages\http_410.htm smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\it-IT\assets\ErrorPages\http_406.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-d..ore-files.resources_31bf3856ad364e35_10.0.19041.207_en-us_a77e6aa2de8d00b9\Report.AD.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\403-17.htm smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-filepicker.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_39a4d63e07cea862\r\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\pdferrorneedcredentials.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-management-oobe_31bf3856ad364e35_10.0.19041.1266_none_e6ebbe2a02425392\autopilotwhitegloveresult-main.html smnss.exe File opened for modification C:\Windows\WinSxS\wow64_microsoft-windows-sharedaccess_31bf3856ad364e35_10.0.19041.1_none_c513167c1d0a90dd\cmnicfg.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\default-progress-template.html smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.117_none_e0d32848ac56114e\oobeerror-main.html 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-filepicker.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_39a4d63e07cea862\r\AppxBlockMap.xml 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-i..sbinaries.resources_31bf3856ad364e35_10.0.19041.1_it-it_9f248a35f7c12459\404-1.htm smnss.exe File opened for modification C:\Windows\PLA\Reports\ja-JP\Report.System.CPU.xml smnss.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CallingShellApp_cw5n1h2txyewy\AppxManifest.xml smnss.exe File opened for modification C:\Windows\WinSxS\amd64_microsoft-windows-a..sslockapp.appxsetup_31bf3856ad364e35_10.0.19041.1023_none_7014825cdc7916b8\f\AppxManifest.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-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_de-de_fa3317ce4cfa58b0\forbidframingedge.htm smnss.exe - Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 376 smnss.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3872 wrote to memory of 2216 3872 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe 84 PID 3872 wrote to memory of 2216 3872 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe 84 PID 3872 wrote to memory of 2216 3872 4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe 84 PID 2216 wrote to memory of 376 2216 ctfmen.exe 85 PID 2216 wrote to memory of 376 2216 ctfmen.exe 85 PID 2216 wrote to memory of 376 2216 ctfmen.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.exe"C:\Users\Admin\AppData\Local\Temp\4ce325ac9338ef0605b867f16f9975cc78d96c2940cff7a3fc30984efeb4f365.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:3872 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2216 -
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:376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ctfmen.exe
- Size 4KB
- SHA256 9388b96dee78f3183f721595ce33d8809731581c41e651bd6925789fc20f415e
- MD5 d11a6e97b61e16dd0ad4d9eb4684be42
- SHA1 dd13ff1a12423be0b8743b48243f62f8c26986e1
- SHA512 c5c7a2dc8f6c3a1a51733dcd81569a2050c594e3f17529cd206d51148be47a3bf7e2b7be1a5e11cc84ba981b057128a5571464c68cc694a7d063c11e1f2ba23b
- SSDEEP 96:LXIdSLQPZARC3dCE8Y0Jw5NL6EVwHHKg2:DswdRCNCE8YPWowHHK7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\grcopy.dll
- Size 41KB
- SHA256 b7a2a8cd428fee89706986e8be4cffd10d1754326e3ce6145035c4cd1f449d69
- MD5 cb2031f6803db82563ae49471bf20577
- SHA1 d0c905296780dda6c715ac7e4d626db73b0dca51
- SHA512 bef609d0b7e1701222ea268e58b60d6b68fe5e78c35607782d80faf9718696db3aee81a33f0ab15c77a0a07b3e92ed229d47521206c4c1d089b3389b9b875bad
- SSDEEP 768:AeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09Cy:Aq5VwWDjDkdTRqHFOn8tIbbeYiuZIFSz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\satornas.dll
- Size 183B
- SHA256 af8eb988a19ee2c403c4a289c1dd5afbb1d17fbed7dc92fb0b435eec5c57faff
- MD5 df3236a33a85754b3384c9ce9f771e08
- SHA1 9aa49553aeb724c84435af886374aca2493bc930
- SHA512 baac83bf038ba611d07931079de1ad06ea506941f7fe6ff9b717ecac197cee84585782825f67957683202afcb7ba64f326c8232caad014dc30b724e121e35ef2
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\shervans.dll
- Size 8KB
- SHA256 a461cb03d633d3536ff8314575ff48eb646792304991094c2f071d8b31ae4beb
- MD5 3a745dbcc0aed207769559e6a725199b
- SHA1 854744b4e438a592b8e146ff729623d50a947fc7
- SHA512 9c1d28b1f4840749b52c2f27731579932c846e1e7a4eaa99d209f9185a31f67438eb0f4e8a158d6750f6e621ea6764719ecaf73a48016b6081c7db22885309c8
- SSDEEP 192:ah4SFyvWohE5xf6YUBSL63SUJqtMblWN:aO+ohE2B13NJqtM
- MD5 SHA1 SHA512 SSDEEP