Analysis
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max time kernel
137s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
16-04-2022 05:51
Static task
static1
Behavioral task
behavioral1
Sample
msg.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
msg.exe
Resource
win10v2004-20220414-en
General
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Target
msg.exe
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Size
1.0MB
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MD5
b891aa5781114582c27baa0c8029777c
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SHA1
7a53a0516286728323c8e6d02a6a5e1077726f4c
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SHA256
4d00ce6c7237134b00cde4b24f1c6dfaffb031cf84845a8bae2a5e5ece8f5434
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SHA512
63e5357d3b24f6435d77c47c510386dfe45e97ade64e574b24f3349a08a63e0f415534a3e5bc72f9d45011abbead12e9d8bfecbd61ff3363326af0b4b73cbc85
Malware Config
Extracted
C:\README1.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README2.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README3.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README4.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README5.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README6.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README7.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README8.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README9.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
Extracted
C:\README10.txt
http://cryptsen7fo43rr6.onion/
http://cryptsen7fo43rr6.onion.to/
http://cryptsen7fo43rr6.onion.cab/
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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resource yara_rule behavioral2/memory/2976-131-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/2976-132-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ msg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" msg.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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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\MapLightTheme.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-30_altform-unplated_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\SplashScreen.scale-400_contrast-black.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.targetsize-48_altform-unplated_contrast-black.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-64.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\Icons\jit_moments.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarWideTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Advanced-Light.scale-150.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosLogoExtensions.targetsize-40.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\he-IL\View3d\3DViewerProductDescription-universal.xml msg.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 msg.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsMedTile.scale-125.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubWideTile.scale-100_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-32_altform-unplated.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionMedTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\AppIcon.targetsize-20_altform-unplated.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteNotebookMedTile.scale-100.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNewNoteSmallTile.scale-150.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-white\LargeTile.scale-200.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\Spotlight_NFL.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSplashLogo.scale-150.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNewNoteWideTile.scale-150.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\LTR\contrast-black\SmallTile.scale-100.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-80_altform-fullcolor.png msg.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\config\Modules\org-netbeans-modules-templates.xml msg.exe 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 msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailMediumTile.scale-125.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-32.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\LargeTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-24_altform-unplated_contrast-black.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageSplashScreen.scale-125_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageWideTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\BadgeLogo.scale-100_contrast-black.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\OutlookMailMediumTile.scale-125.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\Dismiss.scale-64.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-black\MedTile.scale-400_contrast-black.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PeopleAppList.targetsize-96_altform-lightunplated.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\AppxManifest.xml msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\AppxManifest.xml msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-96_altform-unplated.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\Timer3Sec.targetsize-32.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSectionGroupSmallTile.scale-100.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\1851_20x20x32.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\Wide310x150\PaintWideTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\RTL\contrast-black\SmallTile.scale-125.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\WideTile.scale-100.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Audio\Skype_Dtmf_3_Loud.m4a msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-36_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeMediumTile.scale-125.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\EmptyCalendarSearch.scale-200.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\WideTile.scale-150.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-24_altform-unplated_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-24.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarLargeTile.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\fb_blank_profile_portrait.png msg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\GenericMailBadge.scale-400.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-32_altform-unplated.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\AppList.scale-125.png msg.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_gloss-wave_35_f6a828_500x100.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppUpdate.svg msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\AppIcon.targetsize-72_contrast-white.png msg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\uz-Latn-UZ\View3d\3DViewerProductDescription-universal.xml msg.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 3020 vssadmin.exe 4676 vssadmin.exe 4240 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2976 msg.exe 2976 msg.exe 2976 msg.exe 2976 msg.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 3300 vssvc.exe Token: SeRestorePrivilege 3300 vssvc.exe Token: SeAuditPrivilege 3300 vssvc.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2976 wrote to memory of 3020 2976 msg.exe 75 PID 2976 wrote to memory of 3020 2976 msg.exe 75 PID 2976 wrote to memory of 4676 2976 msg.exe 79 PID 2976 wrote to memory of 4676 2976 msg.exe 79 PID 2976 wrote to memory of 4240 2976 msg.exe 81 PID 2976 wrote to memory of 4240 2976 msg.exe 81 PID 2976 wrote to memory of 1380 2976 msg.exe 83 PID 2976 wrote to memory of 1380 2976 msg.exe 83 PID 2976 wrote to memory of 1380 2976 msg.exe 83 PID 1380 wrote to memory of 2292 1380 cmd.exe 85 PID 1380 wrote to memory of 2292 1380 cmd.exe 85 PID 1380 wrote to memory of 2292 1380 cmd.exe 85 PID 2976 wrote to memory of 4868 2976 msg.exe 86 PID 2976 wrote to memory of 4868 2976 msg.exe 86 PID 2976 wrote to memory of 4868 2976 msg.exe 86 PID 4868 wrote to memory of 2584 4868 cmd.exe 88 PID 4868 wrote to memory of 2584 4868 cmd.exe 88 PID 4868 wrote to memory of 2584 4868 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\msg.exe"C:\Users\Admin\AppData\Local\Temp\msg.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:3020
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
PID:4676
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
PID:4240
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\chcp.comchcp3⤵PID:2292
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\chcp.comchcp3⤵PID:2584
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3300