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220731-f17w5aade2 10Analysis
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max time kernel
1797s -
max time network
1490s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 14:30
Behavioral task
behavioral1
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win10-20240319-en
Behavioral task
behavioral2
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win7-20240215-en
Behavioral task
behavioral3
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win11-20240412-en
General
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Target
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
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Size
1.5MB
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MD5
6599f79e40a26186261b58aa89194e5b
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SHA1
0a44b71f930447d545de0f10b6f9c70d513acacc
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SHA256
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
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SHA512
9e4c8b704bdf6f69df693c40c323f069ac7b9900ab8486d7e5a8423670aa1ee686ccfb6c4026f903d0928145efeee04b0b4cded0000f918862208baba9913748
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SSDEEP
24576:4i9CFkYBMSUkGUbDkAv0f3BIykhWmRkLhKRahLo1ChjllyzD8k20ZItIhi4Gx:4ieMSU0bD7Q3Bfkh9k1VtKChpIzD/Std
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\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.
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resource yara_rule behavioral4/memory/116-0-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/116-1-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/116-2-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/116-5-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/116-6-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/3552-10-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/116-12-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral4/memory/3552-13-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-19-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-20-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-71-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-72-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-73-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral4/memory/3552-74-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\A3AC5DE7A3AC5DE7.bmp" 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 116 set thread context of 3552 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 93 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\WorldClockWideTile.contrast-white_scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\StoreLogo.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-36_altform-unplated.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-20_altform-colorize.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Images\contrast-standard\theme-light\Settings.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\RTL\contrast-black\SmallTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.scale-400.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-16_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GamesXboxHubMedTile.scale-125_contrast-high.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-125_kzf8qxf38zg5c\Assets\Images\LockScreenBadgeLogo.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchStoreLogo.scale-200_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\MixedRealityPortalStoreLogo.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppxManifest.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-256_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-96.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\AgentPlaceholder.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\AppIcon.targetsize-72_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\AppIcon.targetsize-32_altform-unplated_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-36_altform-fullcolor.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe.config 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\VoiceRecorderMedTile.contrast-black_scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-125_kzf8qxf38zg5c\Assets\Images\SkypeTile.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-180.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-72_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\MoveToFolderToastQuickAction.scale-80.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\LargeTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\TimerLargeTile.contrast-black_scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNotePageMedTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Exchange.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\node_modules\reactxp-experimental-navigation\NavigationExperimental\assets\[email protected] 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-white\LargeLogo.scale-100_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.targetsize-30.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageSmallTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\LargeTile.scale-125_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-flag.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\GenericMailSmallTile.scale-150.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageWideTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-256_altform-lightunplated_devicefamily-colorfulunplated.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeBadge.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\MixedRealityPortalMedTile.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN044.XML 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-60.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-48_altform-fullcolor.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreLogo.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\listening.slk 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\ApothecaryResume.dotx 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-80.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\CardUIBkg.scale-125.HCWhite.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.targetsize-16_altform-unplated.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\7739_20x20x32.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarAppList.targetsize-32.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-48_altform-unplated.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageMedTile.scale-100_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-black_targetsize-24.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3968 vssadmin.exe 4612 vssadmin.exe 3228 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-553605503-2331009851-2137262461-1000\{1B5859C8-3A14-4139-8AA1-885592533774} explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeShutdownPrivilege 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeCreatePagefilePrivilege 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeShutdownPrivilege 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeCreatePagefilePrivilege 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeBackupPrivilege 408 vssvc.exe Token: SeRestorePrivilege 408 vssvc.exe Token: SeAuditPrivilege 408 vssvc.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe Token: SeShutdownPrivilege 3352 explorer.exe Token: SeCreatePagefilePrivilege 3352 explorer.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe -
Suspicious use of SendNotifyMessage 8 IoCs
pid Process 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe 3352 explorer.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 116 wrote to memory of 3552 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 93 PID 116 wrote to memory of 3552 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 93 PID 116 wrote to memory of 3552 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 93 PID 116 wrote to memory of 3552 116 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 93 PID 3552 wrote to memory of 3968 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 94 PID 3552 wrote to memory of 3968 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 94 PID 3552 wrote to memory of 4612 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 98 PID 3552 wrote to memory of 4612 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 98 PID 3552 wrote to memory of 3228 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 100 PID 3552 wrote to memory of 3228 3552 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 100 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exeC:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe2⤵
- 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:3552 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows3⤵
- Interacts with shadow copies
PID:3968
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
PID:4612
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows3⤵
- Interacts with shadow copies
PID:3228
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:408
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3352