Analysis
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max time kernel
119s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-09-2024 08:04
Static task
static1
Behavioral task
behavioral1
Sample
26aafd22341f603cbc8f27be3e929670N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
26aafd22341f603cbc8f27be3e929670N.exe
Resource
win10v2004-20240802-en
General
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Target
26aafd22341f603cbc8f27be3e929670N.exe
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Size
2.3MB
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MD5
26aafd22341f603cbc8f27be3e929670
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SHA1
9bb383c4376551d181a8481b9d73424a08d88739
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SHA256
6940cf3612570fb09d58cc23a64fbe99ba460f0a4a59fcc393adbdec274f7077
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SHA512
633233e5eb0a9ee9248fe147d81b94095b23cb3aca2dbfd9ffd79ff0c3d29b9653843b44c8de4dbdd9582892f895906c7646e77ba86d90fcaaa94098bf9ae67a
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SSDEEP
49152:Djvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:DrkI9rSjA5aDo73pzF2bz3p9y4HgIoov
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 behavioral1/files/0x0008000000015d59-11.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 2088 ctfmen.exe 536 smnss.exe -
Loads dropped DLL 6 IoCs
pid Process 2084 26aafd22341f603cbc8f27be3e929670N.exe 2084 26aafd22341f603cbc8f27be3e929670N.exe 2084 26aafd22341f603cbc8f27be3e929670N.exe 2088 ctfmen.exe 2088 ctfmen.exe 536 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" 26aafd22341f603cbc8f27be3e929670N.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) \??\M: smnss.exe File opened (read-only) \??\P: smnss.exe File opened (read-only) \??\V: smnss.exe File opened (read-only) \??\H: smnss.exe File opened (read-only) \??\L: smnss.exe File opened (read-only) \??\S: smnss.exe File opened (read-only) \??\E: smnss.exe File opened (read-only) \??\O: smnss.exe File opened (read-only) \??\R: smnss.exe File opened (read-only) \??\U: 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) \??\N: smnss.exe File opened (read-only) \??\Q: smnss.exe File opened (read-only) \??\T: 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 26aafd22341f603cbc8f27be3e929670N.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 26aafd22341f603cbc8f27be3e929670N.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 26aafd22341f603cbc8f27be3e929670N.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnky005.inf_amd64_neutral_8836be987024e6a9\Amd64\KYW7QUR3.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Comment_Based_Help.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\about_remote_jobs.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpj4500t.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\about_aliases.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_pipelines.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPW1B83L.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_split.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_script_blocks.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\hpmcpap6.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_aliases.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_Command_Syntax.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 26aafd22341f603cbc8f27be3e929670N.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\Microsoft.PowerShell.Commands.Utility.dll-Help.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Line_Editing.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_Line_Editing.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_regular_expressions.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\about_functions_advanced_parameters.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\BitsTransfer\es-ES\Microsoft.BackgroundIntelligentTransfer.Management.dll-Help.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPP8700T.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_locations.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_Special_Characters.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_logical_operators.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPW0460T.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\about_PSSnapins.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPO3200T.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_arrays.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hphp915t.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\about_data_sections.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpd1400t.xml smnss.exe File created C:\Windows\SysWOW64\satornas.dll 26aafd22341f603cbc8f27be3e929670N.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_do.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_eventlogs.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_objects.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\NdfEventView.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Windows_PowerShell_ISE.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Switch.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_format.ps1xml.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpoa520t.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpc5200t.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpoa510t.xml smnss.exe File opened for modification C:\Windows\SysWOW64\icsxml\cmnicfg.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Session_Configurations.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPC5201F.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\it-IT\about_try_catch_finally.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hphp910t.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnky009.inf_amd64_neutral_8e54c9ff272b72f1\Amd64\kyw7qur8.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnky307.inf_amd64_ja-jp_e40bd14f18e8ff7d\Amd64\KYW7QUR6.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\about_Session_Configurations.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\about_preference_variables.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpj4660t.xml smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpj6400t.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_preference_variables.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_prompts.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\ja-JP\about_For.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp003.inf_amd64_neutral_4480210763997eb4\Amd64\hpc5100t.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_WMI_Cmdlets.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPC5200F.XML smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_Reserved_Words.help.txt smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnhp002.inf_amd64_neutral_04d05d1f6a90ea24\Amd64\HPO2700T.XML smnss.exe File opened for modification C:\Windows\System32\DriverStore\FileRepository\prnsa002.inf_amd64_neutral_d9df1d04d8cbe336\Amd64\smc770u.xml smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\de-DE\about_For.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\en-US\about_If.help.txt smnss.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\es-ES\about_type_operators.help.txt smnss.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
pid Process 2084 26aafd22341f603cbc8f27be3e929670N.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe 536 smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Access.en-us\SETUP.XML smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL065.XML smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-multitabs.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-sa.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsFormTemplate.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.Runtime.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\license.html smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-awt.xml smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\en-US\gadget.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Black Tie.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\LanguageNames2\DisplayLanguageNames.en_GB.txt smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Clarity.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL081.XML smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-options-keymap.xml smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\de-DE\RSSFeeds.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.RuntimeUi.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.DE.XML smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL020.XML smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL087.XML smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm_export.html smnss.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Proofing.en-us\Proofing.XML smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipssrb.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.htm smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\gadget.xml smnss.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\win\CP1251.TXT smnss.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\PowerPoint.en-us\SETUP.XML smnss.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\currency.html smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-startup.xml smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\en-US\settings.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGSTORYVERT.XML smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-windows.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OneNote.en-us\OneNoteMUI.XML smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\picturePuzzle.html smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\settings.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Composite.xml smnss.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\gadget.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\asl-v20.txt smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-awt.xml smnss.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\METCONV.TXT smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Executive.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMV12\Microsoft.Office.InfoPath.xml smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN026.XML smnss.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\de-DE\flyout.html smnss.exe File opened for modification C:\Program Files\7-Zip\License.txt smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\Xusage.txt smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.PH.XML smnss.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceArray.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Grid.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-text.xml smnss.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\browse.xml smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\settings.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.AU.XML smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGPICCAP.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\ipsita.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs.xml smnss.exe File opened for modification C:\Program Files\Java\jre7\lib\jvm.hprof.txt smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGREPFRM.XML smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Content.xml smnss.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\clock.html smnss.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\PACBELL.NET.XML smnss.exe 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Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\servicing\Sessions\31129025_53727600.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_it-it_aa520d2885499112\Microsoft.PowerShell.Commands.Utility.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_7f0b185800a159c3\about_split.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_es-es_27c74b34efa6572d\about_methods.help.txt smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..howgadget.resources_31bf3856ad364e35_6.1.7600.16385_de-de_c48c8af135e074d7\gadget.xml smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-e..rtingcore.resources_31bf3856ad364e35_6.1.7600.16385_de-de_59f90b40a942117e\erofflps.txt smnss.exe File opened for modification C:\Windows\ehome\en-US\playReady_eula_oem.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-e..ebargadgetresources_31bf3856ad364e35_6.1.7600.16385_none_88767a95b8bbf001\main.html smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-gadgets-cpu.resources_31bf3856ad364e35_6.1.7600.16385_es-es_a9549b67c137efeb\cpu.html smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_6.1.7600.16385_es-es_117bd8ffb46dd92c\Report.System.Diagnostics.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_en-us_1da743febb1ea38d\about_job_details.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_it-it_aa520d2885499112\about_While.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-g..edsgadget.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_b60543bd2d988807\settings.html smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..lprovider.resources_31bf3856ad364e35_6.1.7600.16385_it-it_795ac2ac69664653\Microsoft.IIS.Powershell.Provider.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_de-de_0f8ccf36b90bab3b\403-14.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_en-us_b87da52fa7e9b700\403.htm smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_es-es_27c74b34efa6572d\about_pipelines.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_es-es_27c74b34efa6572d\about_transactions.help.txt smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.NetDiagFramework.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_fr-fr_5b0078129ae2bf07\401.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_74b66e05cc4097c8\about_arrays.help.txt smnss.exe File opened for modification C:\Windows\winsxs\reboot.xml smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..howgadget.resources_31bf3856ad364e35_6.1.7600.16385_es-es_6d48bdce24e57241\gadget.xml smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..s-weather.resources_31bf3856ad364e35_6.1.7600.16385_fr-fr_d93f349420c7d013\weather.html smnss.exe File opened for modification C:\Windows\PLA\Reports\Report.System.Wireless.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-g..edsgadget.resources_31bf3856ad364e35_6.1.7600.16385_en-us_8734fb86705288a7\gadget.xml smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_7f0b185800a159c3\about_Line_Editing.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_4c778c357864a2ed\about_Core_Commands.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_prnhp002.inf_31bf3856ad364e35_6.1.7600.16385_none_2f4e6f72537f8faa\Amd64\HPO3100T.XML smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_7f0b185800a159c3\Microsoft.PowerShell.Commands.Management.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_en-us_27fbee50ef7f6588\about_join.help.txt smnss.exe File opened for modification C:\Windows\PLA\Rules\en-US\Rules.System.Performance.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_en-us_b87da52fa7e9b700\403-11.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_e74ded66652fb660\403-14.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_74b66e05cc4097c8\about_scripts.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_fr-fr_c02a16e1ae17ab94\about_functions.help.txt smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..-calendar.resources_31bf3856ad364e35_6.1.7600.16385_it-it_6a40964d5ae60541\calendar.html smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-g..s-weather.resources_31bf3856ad364e35_6.1.7600.16385_de-de_e9ea273bf74e2d7d\settings.html smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_fr-fr_c02a16e1ae17ab94\Microsoft.PowerShell.Security.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_4c778c357864a2ed\Microsoft.PowerShell.Commands.Utility.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-tabletpc-softkeyboard_31bf3856ad364e35_6.1.7601.17514_none_2fd7b56967fc5c76\osknumpadbase.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_es-es_b8490213a810a8a5\404-1.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_e74ded66652fb660\403-17.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_6.1.7600.16385_es-es_117bd8ffb46dd92c\Rules.System.CPU.xml smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_it-it_b4a6b77ab9aa530d\about_History.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_56cc3687acc564e8\about_properties.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft.windows.d..ackmodule.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_efb94357062c4429\Microsoft.Windows.Diagnosis.TroubleshootingPack.dll-Help.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_e74ded66652fb660\401-3.htm smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..zlegadget.resources_31bf3856ad364e35_6.1.7600.16385_it-it_32d323ec6e85d609\settings.html smnss.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\NetFx45_IIS_schema_update.xml smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_it-it_b4a6b77ab9aa530d\about_logical_operators.help.txt smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..howgadget.resources_31bf3856ad364e35_6.1.7600.16385_de-de_c48c8af135e074d7\settings.html smnss.exe File opened for modification C:\Windows\winsxs\x86_microsoft-windows-g..edsgadget.resources_31bf3856ad364e35_6.1.7600.16385_it-it_b7c1292c822004f6\settings.html smnss.exe File opened for modification C:\Windows\ehome\en-US\playready_eula.txt smnss.exe File opened for modification C:\Windows\PLA\Reports\it-IT\Report.System.Diagnostics.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_fr-fr_5b0078129ae2bf07\403-3.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..econsumer.resources_31bf3856ad364e35_6.1.7600.16385_en-us_11b07c1bb446e787\Report.System.Summary.xml smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_es-es_1d72a0e2bb459532\about_Core_Commands.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_it-it_aa520d2885499112\about_Language_Keywords.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_en-us_1da743febb1ea38d\about_execution_policies.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_7f0b185800a159c3\about_History.help.txt smnss.exe File opened for modification C:\Windows\winsxs\wow64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_es-es_27c74b34efa6572d\about_objects.help.txt smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-i..sbinaries.resources_31bf3856ad364e35_6.1.7600.16385_ja-jp_e74ded66652fb660\412.htm smnss.exe File opened for modification C:\Windows\winsxs\amd64_microsoft-windows-p..ll-preloc.resources_31bf3856ad364e35_6.1.7600.16385_de-de_74b66e05cc4097c8\Microsoft.PowerShell.Commands.Diagnostics.dll-Help.xml 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 26aafd22341f603cbc8f27be3e929670N.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 26aafd22341f603cbc8f27be3e929670N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID 26aafd22341f603cbc8f27be3e929670N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 26aafd22341f603cbc8f27be3e929670N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 26aafd22341f603cbc8f27be3e929670N.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 26aafd22341f603cbc8f27be3e929670N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 536 smnss.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2084 26aafd22341f603cbc8f27be3e929670N.exe 536 smnss.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2088 2084 26aafd22341f603cbc8f27be3e929670N.exe 30 PID 2084 wrote to memory of 2088 2084 26aafd22341f603cbc8f27be3e929670N.exe 30 PID 2084 wrote to memory of 2088 2084 26aafd22341f603cbc8f27be3e929670N.exe 30 PID 2084 wrote to memory of 2088 2084 26aafd22341f603cbc8f27be3e929670N.exe 30 PID 2088 wrote to memory of 536 2088 ctfmen.exe 31 PID 2088 wrote to memory of 536 2088 ctfmen.exe 31 PID 2088 wrote to memory of 536 2088 ctfmen.exe 31 PID 2088 wrote to memory of 536 2088 ctfmen.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.exe"C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.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:2084 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
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:536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
183B
MD56dc79119854f67ec5a92f4242c7eee02
SHA12a45a2b69818fdf0426642060b15922904a774a7
SHA25636e1b6e683fa738a5e6bd3a9a87d4310dcda981a8c5ae9b16490dbdac13933fb
SHA51291c8258b92ba139d75904d5496dd90abedda229143ef09a366941b002c9b6d039f601c007df60aaa14ad2fae09827c274c4e68585457d8651cd1f161fb623c7e
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Filesize
2.3MB
MD56628e5bb67cdef4f7493e27704997c56
SHA1a4a4753736b62a9cfab8c4a2f5743e61753e2cad
SHA25698741a0cd90026af09c51f764c8b1bff8e4638b48bd2633787a488af19386cdd
SHA512999b5e6f8f43a89dfc416b0e768ca06c8748d4c08b902f5a339d38a7b411b0d0748343096be8fad986b35398935af2d62e9f2a05159ed902ee5552b3cdaa17f5
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Filesize
4KB
MD524b3f6b284232ee67d80cb86c151147f
SHA19c340d6d3fe1ac835162206ea5126b56c643df3e
SHA25684e97173f417bb22238e239b7ebddc8cdd48e83d0f3a80c06a431dd3aa2f2eba
SHA51239525fa31870cefa60313e8d98e6ed8c0580d7697d27ac29e7123955c66d32a62b62c0213501492801a144dd312a124d2a3515496db891a11bfb2babad269ea1
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Filesize
8KB
MD5d8b63239a2a2d7e22057cdf6e2b200bf
SHA17b5091a0803fffb0be485a16e7f9747c6277c0a1
SHA2561e1b5f22e0fe69d639f81eeb65bd19b91ab80990b962458d541b53cdd88e85c3
SHA512388e512b98132aa7a5e02ba19d3fd370e104989e07a441636f88056ea31e40bda8dd720a1749a7bad2202015f9c9430b18b98b4425b95e52c0aa04105df37811