Resubmissions
15-03-2024 00:57
240315-ba4dssce7w 10Analysis
-
max time kernel
1192s -
max time network
1164s -
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 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
-
Target
ca13f4913d90017fd5cd552b30c25349.exe
-
Size
1.2MB
-
MD5
ca13f4913d90017fd5cd552b30c25349
-
SHA1
c620800477ad9d2b4e6939847f58ec05aaee0d1d
-
SHA256
25c3a5bf8a33e941286f5f271843a480e4f8669086eac047abdfd6f8d5f96a06
-
SHA512
b0bc0a74eac66f5e55578a1fefe63917704a08a6fb8830cf9e5c3122825bce368cb6cdaf4c999112ddcdebdf25edda473a31b984c5086ab827be49c6a55606f1
-
SSDEEP
24576:AAIvEq8jlEBPkNShzxh7QjO+NhXh1l/JFfnE88smI:AfajiNOsbQjOuXh1lvESt
Malware Config
Signatures
-
Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\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.
-
resource yara_rule behavioral3/memory/4792-1-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-2-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-3-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-5-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-4-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-8-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-11-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-12-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-14-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-15-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-16-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-17-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-18-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-21-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-22-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-23-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-24-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-25-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-26-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-27-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-28-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-29-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-30-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-31-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-32-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-33-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-34-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-35-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-36-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-37-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-38-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-39-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-40-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-41-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-42-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-43-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-44-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-45-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-46-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-47-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-48-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-49-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-50-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-51-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-52-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-53-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-54-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-58-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-59-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-60-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-61-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-62-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-63-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-64-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-65-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-66-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-67-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-68-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-69-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-70-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral3/memory/4792-71-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" ca13f4913d90017fd5cd552b30c25349.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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.
-
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-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\247AB79A247AB79A.bmp" ca13f4913d90017fd5cd552b30c25349.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-white\MedTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\EmptyShare-Dark.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsBadge.contrast-white_scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNewNoteMedTile.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EDGE\THMBNAIL.PNG ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-30_altform-lightunplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\bg6.jpg ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GamesXboxHubMedTile.scale-200_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNotePageSmallTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\PreviewCalendar.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailSplashLogo.scale-250.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-white_targetsize-256_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageWideTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\fr-CA\View3d\3DViewerProductDescription-universal.xml ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GetStartedSmallTile.scale-200_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\deploy\[email protected] ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\AppIcon.targetsize-24_contrast-white.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailMediumTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RADIAL\PREVIEW.GIF ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-white_targetsize-48.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-24_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageWideTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-PipelineConfig.xml ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\AppIcon.targetsize-48_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\winsdkfb\Images\fb_blank_profile_portrait.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\1949_32x32x32.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageStoreLogo.scale-150_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-60_altform-unplated_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-black\AppPackageSmallTile.scale-100_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNewNoteSmallTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Viewpoints\Dark\IsoRight.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Lighting\Light\Silhouette.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\DataModel\Cartridges\as80.xsl ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-black\SmallTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailWideTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PeopleAppList.targetsize-48.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\contrast-black\MixedRealityPortalStoreLogo.scale-200_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\en-US\about_Mocking.help.txt ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\TimerSmallTile.contrast-black_scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Dtmf_4.m4a ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNotebookSmallTile.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\proof.es-es.msi.16.es-es.tree.dat ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\8041_32x32x32.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageWideTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsAppList.targetsize-80_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Generic-Light.scale-300.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\LargeTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Logo.scale-125_contrast-black.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-white\LargeTile.scale-125.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\TXP_Flight_Light.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-80_altform-unplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Dtmf_4_Loud.m4a ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-24_altform-lightunplated.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarLargeTile.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarSmallTile.scale-100.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\GenericMailBadge.scale-200.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\BadgeLogo.scale-150.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Dtmf_0_Loud.m4a ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_school.png ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md ca13f4913d90017fd5cd552b30c25349.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\powerpointmui.msi.16.en-us.tree.dat ca13f4913d90017fd5cd552b30c25349.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4448 vssadmin.exe 2768 vssadmin.exe 4132 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-1-5-21-3198953144-1466794930-246379610-1000\{8C8515FB-BBFE-4C28-B0F3-D986B2BDA7AA} explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4792 ca13f4913d90017fd5cd552b30c25349.exe 4792 ca13f4913d90017fd5cd552b30c25349.exe 4792 ca13f4913d90017fd5cd552b30c25349.exe 4792 ca13f4913d90017fd5cd552b30c25349.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeBackupPrivilege 1344 vssvc.exe Token: SeRestorePrivilege 1344 vssvc.exe Token: SeAuditPrivilege 1344 vssvc.exe Token: SeShutdownPrivilege 4452 explorer.exe Token: SeCreatePagefilePrivilege 4452 explorer.exe Token: SeShutdownPrivilege 4452 explorer.exe Token: SeCreatePagefilePrivilege 4452 explorer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4452 explorer.exe 4452 explorer.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4452 explorer.exe 4452 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4792 wrote to memory of 4448 4792 ca13f4913d90017fd5cd552b30c25349.exe 94 PID 4792 wrote to memory of 4448 4792 ca13f4913d90017fd5cd552b30c25349.exe 94 PID 4792 wrote to memory of 2768 4792 ca13f4913d90017fd5cd552b30c25349.exe 98 PID 4792 wrote to memory of 2768 4792 ca13f4913d90017fd5cd552b30c25349.exe 98 PID 4792 wrote to memory of 4132 4792 ca13f4913d90017fd5cd552b30c25349.exe 100 PID 4792 wrote to memory of 4132 4792 ca13f4913d90017fd5cd552b30c25349.exe 100 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:4792 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4448
-
-
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:2768
-
-
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4132
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1344
-
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:4452
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
65KB
MD52b3666e29478742a44147f18dc272381
SHA17f80b76d86a160984932918225aad4a33c1a51a9
SHA256d8c1d50059b5c232fadc576149ff269f454286274daaaef442cfd4cdb49b0a08
SHA5122128033c7a2e750d6d79e2001a529913a78453b9ea7897cfb58a484157d8aa433245a3c6cf5a6caed4ccb3761b024280879b8bf589e3b78d6c8977726565d288