Resubmissions
14-05-2023 23:14
230514-28eq7sgb8z 10Analysis
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max time kernel
1791s -
max time network
1547s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
14-04-2024 12:08
Static task
static1
Behavioral task
behavioral1
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral4
Sample
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
Resource
win11-20240412-en
General
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Target
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
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Size
1.5MB
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MD5
695a0d416cdccad008acb2369b0165a2
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SHA1
c9002f65273ac587f5753f50cf61911885d92521
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SHA256
bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb
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SHA512
e92a53c963f5aacf94cbbda3da097d1f29140459ff552d5659ecca3f6c33aec6063c13ce16d3ff6c0046ee88400c6bc5bf410aa9fbc4513c478c0bc0423de051
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SSDEEP
24576:kcDD3THmsmB7K1k52fzgtv0HqIYG3yC3Q1KbeRho7KWU8RKDyAlAY:bTHmsq72zgtv0HYG37bD7KWU8UhV
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-1-5-21-4092317236-2027488869-1227795436-1000\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 behavioral3/memory/2104-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/2104-71-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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: bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\AE49E0DFAE49E0DF.bmp" bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-40_altform-unplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-32_altform-lightunplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageSmallTile.scale-125.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\LibrarySquare71x71Logo.scale-125_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Corbel.xml bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-white\LargeTile.scale-200.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\LinkedInboxBadge.scale-150.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\resources\strings\LocalizedStrings_vi.json bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedMedTile.scale-100_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\SmallTile.scale-125_contrast-white.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Google.scale-200.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-96_altform-lightunplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-256_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\Weather_LogoSmall.targetsize-32.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\LibrarySquare150x150Logo.scale-125_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\StoreLogo.contrast-white_scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-checkmark.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-72_contrast-white.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-60_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageSplashScreen.scale-400_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\VBA\VBA7.1\1033\VBENDF98.CHM bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.scale-125.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailSplashLogo.scale-300.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSplashLogo.scale-125.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\LogoCanary.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubSplashWideTile.scale-200_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\SplashScreen.scale-400_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\vreg\office32ww.msi.16.x-none.vreg.dat bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_2019.807.41.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\WideTile.scale-125_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\jscripts\winrthost.js bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\sql2000.xsl bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\WidescreenPresentation.potx bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_SadMouth.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\status.json bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\AppIcon.targetsize-96_altform-unplated_contrast-white.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\ExchangeBadge.scale-125.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsSmallTile.contrast-black_scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\WideTile.scale-100_contrast-black.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-100_kzf8qxf38zg5c\Assets\Images\SkypeTile.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreWideTile.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Place\contrast-white\SmallTile.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\CalculatorSmallTile.contrast-white_scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-96_altform-unplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-48_altform-unplated_contrast-white_devicefamily-colorfulunplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-black_targetsize-72_altform-unplated.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\ExchangeSmallTile.scale-100.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_~_kzf8qxf38zg5c\AppxBlockMap.xml bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSectionMedTile.scale-400.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageMedTile.scale-150.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\Doughboy.scale-400.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\GenericMailBadge.scale-200.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptyShare-Dark.scale-200.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosLargeTile.contrast-white_scale-200.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-36_contrast-white.png bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\vpaid.html bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\music_offline_demo_page2.jpg bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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 4784 vssadmin.exe 3684 vssadmin.exe 4056 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-1-5-21-4092317236-2027488869-1227795436-1000\{2A715481-8A8E-4D28-B562-1D5F90B30985} explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeBackupPrivilege 4092 vssvc.exe Token: SeRestorePrivilege 4092 vssvc.exe Token: SeAuditPrivilege 4092 vssvc.exe Token: SeShutdownPrivilege 2536 explorer.exe Token: SeCreatePagefilePrivilege 2536 explorer.exe Token: SeShutdownPrivilege 2536 explorer.exe Token: SeCreatePagefilePrivilege 2536 explorer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2536 explorer.exe 2536 explorer.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2536 explorer.exe 2536 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2104 wrote to memory of 4784 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 96 PID 2104 wrote to memory of 4784 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 96 PID 2104 wrote to memory of 3684 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 100 PID 2104 wrote to memory of 3684 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 100 PID 2104 wrote to memory of 4056 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 102 PID 2104 wrote to memory of 4056 2104 bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe 102 -
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\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe"C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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:2104 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4784
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:3684
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4056
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4092
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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:2536
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:2540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
119KB
MD5b21297a52999a45f3a51fea4fa985056
SHA1c28bde83575c29c16421333563fa2530765c5663
SHA25600ff47a7c6278353f6d1443b7f7759e92d3ffe74ba9e48ec9ef5f848e7ed7ae4
SHA5122fae6efa5bbefb6a5ac91f4c56d173fa76ec4d431ba81e04d86d5bb6877f80371836fea53aeaa7d7d8c40bb94fee218fad027f752ed18d6c79041fb7093134ec