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220731-f17w5aade2 10Analysis
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max time kernel
1199s -
max time network
1168s -
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
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Resource
win7-20240221-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-1-5-21-2288054676-1871194608-3559553667-1000\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 behavioral1/memory/4192-0-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral1/memory/4192-3-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral1/memory/1452-7-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/4192-9-0x0000000000400000-0x000000000062A000-memory.dmp upx behavioral1/memory/1452-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-19-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-20-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-71-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-72-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-73-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/1452-74-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\96E9C4D196E9C4D1.bmp" 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4192 set thread context of 1452 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 96 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\questfallback.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square71x71Logo.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\Presentation Designs\Maple.gif 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\AppxManifest.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\RNApp\app\uwp\images\stickers\word_art\sticker8.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.scale-150_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\PhotosWideTile.contrast-black_scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-72_altform-unplated_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\contrast-white\MedTile.scale-100.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.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNotebookSmallTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Videos\Help\Sticker.mp4 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ta-IN\View3d\3DViewerProductDescription-universal.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-white_targetsize-80.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\RNApp\app\uwp\images\firstrun\startup_background.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-256_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\EmptySearch.scale-400.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\AppxManifest.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.targetsize-48_altform-unplated.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.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\StoreAppList.targetsize-16.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreLogo.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Dtmf_3_Loud.m4a 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\EmptyView.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\LargeTile.scale-150.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.targetsize-48_altform-unplated_contrast-white_devicefamily-colorfulunplated.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.targetsize-256.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\StoreLogo.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\Doughboy.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\RNApp\app\uwp\images\subscription_intro\save-money.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Sun.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\sq-AL\View3d\3DViewerProductDescription-universal.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Images\thumb_animation.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\StoreLogo.scale-200_contrast-black.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedSplash.scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Generic-Light.scale-250.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.targetsize-80.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-60_altform-colorize.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNotebookMedTile.scale-400.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\HelpAndFeedback\BlogThumbnail.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\onenote.x-none.msi.16.x-none.tree.dat 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveDrop32x32.gif 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Images\PrintAndShare\Glyph_0xe805.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-64.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\TimerMedTile.contrast-white_scale-100.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Assets\JumpListNotesList.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageMedTile.scale-125_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\GamesXboxHubStoreLogo.scale-125_contrast-high.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\powerview.x-none.msi.16.x-none.tree.dat 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\mesa3d.md 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GameBar_SmallTile.scale-125.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-black\SmallTile.scale-200.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-24_altform-unplated_contrast-white.png 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-white\AppList.scale-125_contrast-white.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.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\resources\strings\LocalizedStrings_zh-TW.json 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 2828 vssadmin.exe 5104 vssadmin.exe 816 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-1-5-21-2288054676-1871194608-3559553667-1000\{4786CC6F-58A8-4DD2-B55E-E9046CC593A2} explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeShutdownPrivilege 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeCreatePagefilePrivilege 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeShutdownPrivilege 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeCreatePagefilePrivilege 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe Token: SeBackupPrivilege 1696 vssvc.exe Token: SeRestorePrivilege 1696 vssvc.exe Token: SeAuditPrivilege 1696 vssvc.exe Token: SeShutdownPrivilege 2232 explorer.exe Token: SeCreatePagefilePrivilege 2232 explorer.exe Token: SeShutdownPrivilege 2232 explorer.exe Token: SeCreatePagefilePrivilege 2232 explorer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2232 explorer.exe 2232 explorer.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2232 explorer.exe 2232 explorer.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4192 wrote to memory of 1452 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 96 PID 4192 wrote to memory of 1452 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 96 PID 4192 wrote to memory of 1452 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 96 PID 4192 wrote to memory of 1452 4192 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 96 PID 1452 wrote to memory of 816 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 98 PID 1452 wrote to memory of 816 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 98 PID 1452 wrote to memory of 2828 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 102 PID 1452 wrote to memory of 2828 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 102 PID 1452 wrote to memory of 5104 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 104 PID 1452 wrote to memory of 5104 1452 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe 104 -
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:4192 -
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:1452 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows3⤵
- Interacts with shadow copies
PID:816
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
PID:2828
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows3⤵
- Interacts with shadow copies
PID:5104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1696
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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:2232