troldesh | 53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 64 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3012-1-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-2-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-4-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-3-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-5-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-8-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-11-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-12-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-13-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-15-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-16-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-17-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-18-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-19-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-22-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-23-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-24-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-25-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-26-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-27-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-28-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-29-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-30-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-31-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-32-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-33-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-34-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-35-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-36-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-37-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-38-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-39-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-40-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-41-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-42-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-43-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-44-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-45-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-46-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-47-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-48-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-49-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-50-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-51-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-52-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-53-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-54-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-60-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-62-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-63-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-65-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-67-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-68-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-69-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-70-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/3012-71-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 3 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\F:	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened (read-only)	\??\D:	explorer.exe
File opened (read-only)	\??\F:	explorer.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\FBF5A0B1FBF5A0B1.bmp"	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\gb_16x11.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\GameEnd\endGame_blue_up.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\LTR\contrast-black\MedTile.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\MapsWideTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5664_20x20x32.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\gf_16x11.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Work\contrast-black\LargeTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\contrast-black\WideTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\sweating.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\158.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppPackageAppList.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AlarmsMedTile.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-32.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Thumbnails\Sticker_Icon_5_Point_Star.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Audio\RibbonHit_A.wav	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-black\SmallTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubSplashWideTile.scale-200_contrast-black.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteAppList.targetsize-36_altform-unplated.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\Wide310x150\PaintWideTile.scale-400.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarSmallTile.scale-150.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\161.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteSmallTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherImages\210x173\29.jpg	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\190.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-24_altform-unplated.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Exchange.scale-300.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\OutlookMailMediumTile.scale-150.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\nz_16x11.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\ax_16x11.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Beach\mask\12c.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\Assets\starttile.dualsim2.sad.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Content\desktop\en-US\doc_offline_getconnected.xml	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-60_altform-unplated.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Place\contrast-black\MedTile.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5941_20x20x32.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosStoreLogo.contrast-black.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\AFTRNOON\PREVIEW.GIF	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Home\WideTile.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-30.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-72_altform-unplated_contrast-white.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\proof.fr-fr.msi.16.fr-fr.boot.tree.dat	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\3490_32x32x32.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSplashLogo.scale-400.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\151.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\8196_48x48x32.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\Weather_BadgeLogo.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\contrast-black\WideTile.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-32_altform-unplated_contrast-black.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\GenericMailBadge.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\CalculatorSplashScreen.contrast-white_scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsBadge.contrast-black_scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Stationery\Garden.jpg	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_neutral_resources.scale-200_8wekyb3d8bbwe\Assets\SplashScreen.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsSplashScreen.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteSectionLargeTile.scale-200.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_split.scale-180_8wekyb3d8bbwe\Assets\Office\Ungroup.scale-180.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-white\PeopleLargeTile.scale-125.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteAppList.targetsize-30_altform-unplated.png	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\2717123927\1590785016.pri	explorer.exe
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	SearchUI.exe
File created	C:\Windows\rescache\_merged\4032412167\4002656488.pri	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 26 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Capabilities	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Capabilities	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Capabilities	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Capabilities	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002	explorer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011	explorer.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	SearchUI.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	SearchUI.exe

Interacts with shadow copies 2 TTPs 3 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2164	vssadmin.exe
4456	vssadmin.exe
2132	vssadmin.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Internet Explorer\GPU	SearchUI.exe

Modifies registry class 32 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "152"	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "56"	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify\UserStartTime = "133567065819626963"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify\IconStreams = 14000000070000000100010005000000140000007b005300330038004f0053003400300034002d0031005100340033002d0034003200530032002d0039003300300035002d00360037005100520030004f003200380053005000320033007d005c0072006b006300790062006500720065002e0072006b0072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001c100000000000002000000e80704004100720067006a006200650078002000200033000a005600610067007200650061007200670020006e007000700072006600660000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000074ae2078e323294282c1e41cb67d5b9c0000000000000000000000004928c651b888da0100000000000000000000000000000d20feb05a007600700065006200660062007300670020004a0076006100710062006a006600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000007b005300330038004f0053003400300034002d0031005100340033002d0034003200530032002d0039003300300035002d00360037005100520030004f003200380053005000320033007d005c0072006b006300790062006500720065002e0072006b00720000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000640000000000000002000000e80704004600630072006e0078007200650066003a0020003600370025000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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4f003200380053005000320033007d005c0072006b006300790062006500720065002e0072006b00720000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000e8070400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff75ae2078e323294282c1e41cb67d5b9c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000007b005300330038004f0053003400300034002d0031005100340033002d0034003200530032002d0039003300300035002d00360037005100520030004f003200380053005000320033007d005c0072006b006300790062006500720065002e0072006b00720000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000e8070400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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Set value (data)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "0"	SearchUI.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "129"	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DomStorageState	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana	SearchUI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\microsoft.windows.cortana	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "23"	SearchUI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	SearchUI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "0"	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "23"	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "56"	SearchUI.exe
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\windows.cortana	SearchUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "185"	SearchUI.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

Suspicious use of AdjustPrivilegeToken 55 IoCs

description	pid	Process
Token: SeBackupPrivilege	856	vssvc.exe
Token: SeRestorePrivilege	856	vssvc.exe
Token: SeAuditPrivilege	856	vssvc.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe
Token: SeShutdownPrivilege	1748	explorer.exe
Token: SeCreatePagefilePrivilege	1748	explorer.exe

Suspicious use of FindShellTrayWindow 44 IoCs

pid	Process
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe

Suspicious use of SendNotifyMessage 23 IoCs

pid	Process
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe
1748	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	SearchUI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2164	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	75
PID 3012 wrote to memory of 2164	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	75
PID 3012 wrote to memory of 4456	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	79
PID 3012 wrote to memory of 4456	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	79
PID 3012 wrote to memory of 2132	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	81
PID 3012 wrote to memory of 2132	3012	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe	81

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
"C:\Users\Admin\AppData\Local\Temp\53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\vssadmin.exe
  C:\Windows\system32\vssadmin.exe List Shadows
  2⤵
  - Interacts with shadow copies
  PID:2164
- C:\Windows\system32\vssadmin.exe
  C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:4456
- C:\Windows\system32\vssadmin.exe
  C:\Windows\system32\vssadmin.exe List Shadows
  2⤵
  - Interacts with shadow copies
  PID:2132

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:856

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Enumerates connected drives
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1748

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery