Resubmissions
29-01-2023 18:09
230129-wrszlshh51 10Analysis
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max time kernel
1792s -
max time network
1514s -
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 12:15
Static task
static1
Behavioral task
behavioral1
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral4
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win11-20240412-en
General
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Target
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
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Size
1.4MB
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MD5
3ebe6fc2765d0c6d7286b19d2cd29cd9
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SHA1
9aff7f15bccbdd0961fc6d803687b749ef2f304b
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SHA256
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353
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SHA512
3bdf9a3900b78ccd10f2ca004001f14cec8213d7eca8d1e6d12f9718df0883e2d1d9efca256101bdf915eff98f2472e7605f12b8ebb24c9ad02e7f043d4129c7
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SSDEEP
24576:C3IpPeRM4fkcxdvdnjqtei/y1RNSA4QGF4ivjis:3P6fkUdFnjqkj1vSA5Li1
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 behavioral3/memory/1712-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-7-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-20-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/1712-71-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.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: cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.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\\CAAE38ABCAAE38AB.bmp" cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageMedTile.scale-125.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarAppList.targetsize-96.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\SplashScreen.scale-400_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\WideTile.scale-125_contrast-black.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-96_altform-unplated.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-black_targetsize-20_altform-unplated.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\bg2.jpg cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-60.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\WideTile.scale-150_contrast-black.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarSmallTile.scale-150.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-white_targetsize-20.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-24_altform-unplated_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-80.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Yahoo-Light.scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-black\SmallTile.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_targetsize-24.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\TinyTile.scale-200_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\PreviewCalendar.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionMedTile.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Images\thumb_stats_render_sm.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-96_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarAppList.targetsize-72.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsWideTile.contrast-black_scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-32_contrast-black.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\Win10\MicrosoftSolitaireMedTile.scale-125.jpg cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\nunit_schema_2.5.xsd cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\OutlookMailBadge.scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-96_altform-colorize.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteNotebookWideTile.scale-125.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\AppIcon.targetsize-32_altform-lightunplated.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\catalog.json cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-30_altform-lightunplated.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\ExchangeSmallTile.scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_neutral_split.scale-100_kzf8qxf38zg5c\Assets\Images\SkypeLargeTile.scale-100_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\AppIcon.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Google.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-32_altform-lightunplated.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsStoreLogo.contrast-black_scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BOLDSTRI\PREVIEW.GIF cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubWideTile.scale-100_contrast-high.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-48_altform-unplated_contrast-black.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-60_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteNewNoteWideTile.scale-150.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.scale-100_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\contrast-black\MicrosoftLogo.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailMediumTile.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Date.targetsize-24_contrast-white.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\StopwatchWideTile.contrast-white_scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Sun.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-black\LargeTile.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL022.XML cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\OutlookMailWideTile.scale-200.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-24.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\browse.xml cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MANIFEST.XML cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\OutlookMailLargeTile.scale-400.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Generic-Light.scale-400.png cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.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 4932 vssadmin.exe 1828 vssadmin.exe 740 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\{DFC02A0D-6272-49A8-831A-63F0E1BDA7A4} explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeBackupPrivilege 2948 vssvc.exe Token: SeRestorePrivilege 2948 vssvc.exe Token: SeAuditPrivilege 2948 vssvc.exe Token: SeShutdownPrivilege 4896 explorer.exe Token: SeCreatePagefilePrivilege 4896 explorer.exe Token: SeShutdownPrivilege 4896 explorer.exe Token: SeCreatePagefilePrivilege 4896 explorer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4896 explorer.exe 4896 explorer.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4896 explorer.exe 4896 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1712 wrote to memory of 4932 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 96 PID 1712 wrote to memory of 4932 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 96 PID 1712 wrote to memory of 1828 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 100 PID 1712 wrote to memory of 1828 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 100 PID 1712 wrote to memory of 740 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 102 PID 1712 wrote to memory of 740 1712 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.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\cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe"C:\Users\Admin\AppData\Local\Temp\cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.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:1712 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4932
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:1828
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:740
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2948
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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:4896
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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:3300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5fa4c5eab303253de2630fa36cb84be71
SHA1a2c374389deb7e18060c2a522e131fbf4c52a73d
SHA256aec09a96f0e3a755ec87283e38522873b3404d0f123dea3423a930fdd2f5a4b7
SHA5128af9246106d1c8ecbe5f5b4759585cb661b68e3cb1607f47ee063f6937dcad30fe0900a3208b2bb1d4f59691ac698be6e11ce30779cdb5a723a58d78f5225031