Resubmissions
15-03-2024 00:57
240315-ba4dssce7w 10Analysis
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max time kernel
1190s -
max time network
927s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
14-04-2024 11:50
Static task
static1
Behavioral task
behavioral1
Sample
ca13f4913d90017fd5cd552b30c25349.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ca13f4913d90017fd5cd552b30c25349.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
ca13f4913d90017fd5cd552b30c25349.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral4
Sample
ca13f4913d90017fd5cd552b30c25349.exe
Resource
win11-20240412-en
General
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Target
ca13f4913d90017fd5cd552b30c25349.exe
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Size
1.2MB
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MD5
ca13f4913d90017fd5cd552b30c25349
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SHA1
c620800477ad9d2b4e6939847f58ec05aaee0d1d
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SHA256
25c3a5bf8a33e941286f5f271843a480e4f8669086eac047abdfd6f8d5f96a06
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SHA512
b0bc0a74eac66f5e55578a1fefe63917704a08a6fb8830cf9e5c3122825bce368cb6cdaf4c999112ddcdebdf25edda473a31b984c5086ab827be49c6a55606f1
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SSDEEP
24576:AAIvEq8jlEBPkNShzxh7QjO+NhXh1l/JFfnE88smI:AfajiNOsbQjOuXh1lvESt
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-1-5-21-3727096518-2913484142-3593445157-1000\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 behavioral2/memory/3252-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-19-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/3252-71-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" ca13f4913d90017fd5cd552b30c25349.exe Set value (str) \REGISTRY\USER\S-1-5-21-3727096518-2913484142-3593445157-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" ca13f4913d90017fd5cd552b30c25349.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: ca13f4913d90017fd5cd552b30c25349.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3727096518-2913484142-3593445157-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\FC3E12B3FC3E12B3.bmp" ca13f4913d90017fd5cd552b30c25349.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-32_altform-unplated_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\RTL\contrast-black\WideTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarLargeTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-32_altform-fullcolor.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm_export.html ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-256_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Place\contrast-white\LargeTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxMediumTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeLargeTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSectionGroupMedTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\mobile.css ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\StoreBadgeLogo.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsWideTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-96.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Tiles\freecell.jpg ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MANIFEST.XML ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\HowToPlay\TriPeaks\Goal_2.jpg ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-72_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubStoreLogo.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Content\Nexus.json ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-white\WideTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\angry.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\tilebg.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Audio\RibbonHit_A.wav ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.targetsize-20_altform-unplated_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\gb_60x42.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\HowToPlay\Pyramid\Goal_2.jpg ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-32_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_neutral_resources.scale-150_8wekyb3d8bbwe\Assets\SplashScreen.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\ConnectSave.emf ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\jcup.md ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-80.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_neutral_resources.scale-150_8wekyb3d8bbwe\AppxBlockMap.xml ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\CalculatorSmallTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\Square310x310\PaintLargeTile.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Thumbnails\Sticker_Icon_4_Point_Star.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-64.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2017.125.40.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraMedTile.contrast-black_scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EXPEDITN\PREVIEW.GIF ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-60_altform-unplated_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GamesXboxHubAppList.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Lollipop.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2017.125.40.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraLargeTile.contrast-black_scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\Office\StickySelection.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-20_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\1850_20x20x32.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AlarmsSmallTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\bo_16x11.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_1.4.101.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Arkadium.Win10.Xaml.Toolkit\Assets\MicrosoftLogo.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\Weather_LogoSmall.targetsize-256.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\SmallTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\nz_16x11.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\THMBNAIL.PNG ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-32.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailLargeTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxCalendarBadge.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-GoogleCloudCache-Dark.scale-140.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-20_altform-fullcolor.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Icons\freecell_icon.png ca13f4913d90017fd5cd552b30c25349.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\2717123927\1590785016.pri explorer.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 3928 vssadmin.exe 2716 vssadmin.exe 4864 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3252 ca13f4913d90017fd5cd552b30c25349.exe 3252 ca13f4913d90017fd5cd552b30c25349.exe 3252 ca13f4913d90017fd5cd552b30c25349.exe 3252 ca13f4913d90017fd5cd552b30c25349.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeBackupPrivilege 208 vssvc.exe Token: SeRestorePrivilege 208 vssvc.exe Token: SeAuditPrivilege 208 vssvc.exe Token: SeShutdownPrivilege 2512 explorer.exe Token: SeCreatePagefilePrivilege 2512 explorer.exe Token: SeShutdownPrivilege 2512 explorer.exe Token: SeCreatePagefilePrivilege 2512 explorer.exe Token: SeShutdownPrivilege 2512 explorer.exe Token: SeCreatePagefilePrivilege 2512 explorer.exe Token: SeShutdownPrivilege 2512 explorer.exe Token: SeCreatePagefilePrivilege 2512 explorer.exe Token: SeShutdownPrivilege 2512 explorer.exe Token: SeCreatePagefilePrivilege 2512 explorer.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe -
Suspicious use of SendNotifyMessage 8 IoCs
pid Process 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe 2512 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3252 wrote to memory of 3928 3252 ca13f4913d90017fd5cd552b30c25349.exe 74 PID 3252 wrote to memory of 3928 3252 ca13f4913d90017fd5cd552b30c25349.exe 74 PID 3252 wrote to memory of 2716 3252 ca13f4913d90017fd5cd552b30c25349.exe 78 PID 3252 wrote to memory of 2716 3252 ca13f4913d90017fd5cd552b30c25349.exe 78 PID 3252 wrote to memory of 4864 3252 ca13f4913d90017fd5cd552b30c25349.exe 80 PID 3252 wrote to memory of 4864 3252 ca13f4913d90017fd5cd552b30c25349.exe 80 -
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\ca13f4913d90017fd5cd552b30c25349.exe"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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:3252 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:3928
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:2716
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4864
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:208
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2512
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
111KB
MD5f5173091f79cec8ea57c4049eed114a8
SHA18203cfbb8324ea0beb6e71202a5a1ccb2a0cd1e1
SHA25655cc47e72cf18b69cad2a9883d485ad61c34111bba79e9dcab3f001d81a044bd
SHA51250a2d301b4f1a577f1a4e6ccecfbcea28c3fcef2699cc4ccdf46120bb03d114c0b7b9a4569f6375ad6531e0c25ef9ce3512e502b034c65382b8b94425e474133
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Filesize
24B
MD5419a089e66b9e18ada06c459b000cb4d
SHA1ed2108a58ba73ac18c3d2bf0d8c1890c2632b05a
SHA256c48e42e9ab4e25b92c43a7b0416d463b9ff7c69541e4623a39513bc98085f424
SHA512bbd57bea7159748e1b13b3e459e2c8691a46bdc9323afdb9dbf9d8f09511750d46a1d98c717c7adca07d79edc859e925476dd03231507f37f45775c0a79a593c
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Filesize
7KB
MD547a7af53d005ff297d88b1e246ff3d00
SHA11e5510d0ec5f09e681287931495365fdca7b7641
SHA25648b8b4f5f58296edea6409a14e97cb71bd9bcf411016199b404e94c4c66be027
SHA5128565143dd6e2ebbfc4534e2bfa14cb56d50f7a9cd660729b46e7b62f181c6b066d8dbd982a95e90122cb771eec0b5724978f1ec8394fb1ffb1ab6fa17bbffdd5