Resubmissions
17-04-2024 12:14
240417-pesdzsfh4y 1017-04-2024 12:14
240417-persfsfh4x 1017-04-2024 12:14
240417-peqv6aec97 1017-04-2024 12:14
240417-pedktsfh3z 1017-04-2024 12:14
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240417-ha37csfh67 10Analysis
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max time kernel
1520s -
max time network
1498s -
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 12:14
Behavioral task
behavioral1
Sample
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
Resource
win11-20240412-en
General
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Target
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
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Size
1.1MB
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MD5
20cba77eaae04ca6623cbbe03f9a81d8
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SHA1
fd989d3ba9ab0534f48b7cb1d11036a4ed08e431
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SHA256
c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856
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SHA512
e102e1902d224730fccce9cefc8d9c92471a35a49e64718d2dacd183d629fbc388fd6c6ae3fa5c59115cef061106459b767bec21628339bd712c291ea60a86f9
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SSDEEP
24576:VVimLZikdvnYgTcH2JsjaCtxl7j7XFv+RC7WwQOvu+s:VVimLZiSfHJ8aCtxl7nVvwCa8uz
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-1-5-21-3198953144-1466794930-246379610-1000\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.
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resource yara_rule behavioral4/memory/2292-0-0x0000000000400000-0x000000000060B000-memory.dmp upx behavioral4/memory/2292-2-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-3-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-4-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-5-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-6-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-10-0x0000000000400000-0x000000000060B000-memory.dmp upx behavioral4/memory/2292-11-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-14-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-35-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-36-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-40-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-42-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-45-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-47-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-48-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-49-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-51-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-54-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-58-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-59-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-60-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-61-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-62-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-63-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-67-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-68-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-70-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-77-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-73-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-78-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-81-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-83-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-87-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-88-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-91-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-93-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-96-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-98-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-102-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-103-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-104-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-105-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-106-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-107-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-108-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-109-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-110-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-111-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-112-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-113-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-114-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-115-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-116-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-117-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-118-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-119-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-120-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-121-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-122-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-123-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-124-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-125-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral4/memory/2292-126-0x0000000000400000-0x00000000005DE000-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\"" c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe -
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: c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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\\0634932C0634932C.bmp" c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-16_altform-unplated_contrast-black.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNotebookWideTile.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\SATIN\PREVIEW.GIF c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-white_targetsize-256.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-72_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\da-DK\View3d\3DViewerProductDescription-universal.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-72_altform-unplated.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\LTR\contrast-white\MedTile.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageSmallTile.scale-125.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\Training.potx c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppUpdate.svg c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\Square150x150\PaintMedTile.scale-125.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraLargeTile.contrast-black_scale-100.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\manifests\BuiltinClassNotebook.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Dial\Zview.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-256_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\playlist.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\RTL\contrast-black\LargeTile.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailWideTile.scale-400.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8_RTL.mp4 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\OrientationControlMiddleCircleHover.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\EmptySearch.scale-100.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\ExchangeBadge.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.targetsize-256_altform-lightunplated.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Video_Msg_Stop.m4a c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\it-IT\View3d\3DViewerProductDescription-universal.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-16_altform-unplated_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\offlineStrings.js c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\PreviewCalendar.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\AppxManifest.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSplashLogo.scale-150.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSectionSmallTile.scale-150.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreLargeTile.scale-100.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Call_Reconnected_Loud.m4a c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-48_altform-unplated_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\lv-LV\View3d\3DViewerProductDescription-universal.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_2019.904.1644.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.targetsize-24_altform-unplated_contrast-black.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Standard.targetsize-24_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\BadgeLogo.scale-125.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Advanced-Light.scale-150.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-72_altform-unplated.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\HelpAndFeedback\VideoThumbnail.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageWideTile.scale-125_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\Assets\StoreLogo.scale-100.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Transit\contrast-black\WideTile.scale-100.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\InsiderHubMedTile.scale-100_contrast-black.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-30_altform-colorize.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherImages\423x173\91.jpg c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Assets\AppTiles\StoreMedTile.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsSmallTile.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\AppIcon.targetsize-256_contrast-white.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraLargeTile.contrast-white_scale-125.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\orcl7.xsl c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarLogoExtensions.scale-16.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-200.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\1851_40x40x32.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-black_targetsize-96.png c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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 5100 vssadmin.exe 4304 vssadmin.exe 2672 vssadmin.exe -
Modifies registry class 2 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\{4F3F4A31-DE6C-4FCD-8D64-7FE17692CBB6} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe -
Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeBackupPrivilege 2640 vssvc.exe Token: SeRestorePrivilege 2640 vssvc.exe Token: SeAuditPrivilege 2640 vssvc.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe Token: SeShutdownPrivilege 3516 explorer.exe Token: SeCreatePagefilePrivilege 3516 explorer.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe -
Suspicious use of SendNotifyMessage 8 IoCs
pid Process 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe 3516 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2292 wrote to memory of 5100 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 92 PID 2292 wrote to memory of 5100 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 92 PID 2292 wrote to memory of 4304 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 96 PID 2292 wrote to memory of 4304 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 96 PID 2292 wrote to memory of 2672 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 98 PID 2292 wrote to memory of 2672 2292 c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe 98 -
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\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe"C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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:2292 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:5100
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:4304
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:2672
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2640
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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:3516
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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:2596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD558f309dabf57a8967aa9cd470f56bd31
SHA1361f179b661512c5520fc1f2538aa043057ade8a
SHA256f267eb9a8c0fe375632774ad7fef7053b318dfe7705a40f45292171e7d650794
SHA5128be32b5fb2197a40612466d9e935a4aa2be442e76215d05af4327abd34ea29ece25261320edd6f0e4659d04852fd5672f747732480ad1cf9bb039b7ea7793001