troldesh | e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4

Resubmissions

29-01-2023 18:07

230129-wqck8sgd68 10

Analysis

max time kernel
1792s
max time network
1586s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
14-04-2024 12:17

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General

Target

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
Size

1.1MB
MD5

7e921e11caeb6f9594fa286d217af62e
SHA1

9253c2e0c30b7279fe6cf6a052b55b2b43ee2f84
SHA256

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4
SHA512

8d5af1af21e4a24d5546515d9f2af5a51598de7e5e335e139c38f5f426fdb0359dabb00ea6e0d0b84846781be553a8ab234b1b6c9cdf429100569101ba055fcc
SSDEEP

12288:n0FWRGqrviIa4un1WnkOJz2CFBsZX/STM3f7rUuWe+UmXELXSLbFUhNl7T7R+UtU:MunKIaNAnkOEKBslQU8ELitm/DtVy

Score

10^/10

troldesh discovery persistence ransomware spyware stealer trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Modifies Installed Components in the registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2768987046-1485460554-1347040953-1000\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.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2768987046-1485460554-1347040953-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

UPX packed file 64 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/5064-1-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-2-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-3-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-4-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-5-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-8-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-11-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-12-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-14-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-15-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-16-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-17-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-18-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-19-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-22-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-23-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-24-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-25-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-26-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-27-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-28-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-29-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-30-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-31-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-32-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-33-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-34-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-35-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-36-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-37-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-38-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-39-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-40-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-41-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-42-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-43-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-44-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-45-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-46-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-47-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-48-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-49-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-50-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-51-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-52-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-53-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-54-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-60-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-62-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-63-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-65-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-67-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-68-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-69-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-70-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5064-71-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2768987046-1485460554-1347040953-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description ioc process

File opened (read-only) \??\F: e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	ioc	process
File opened (read-only)	\??\F:	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2768987046-1485460554-1347040953-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\5600578356005783.bmp"	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

Drops file in Program Files directory 64 IoCs

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.1.3_1.3.24201.0_x86__8wekyb3d8bbwe\AppxManifest.xml	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_split.scale-140_8wekyb3d8bbwe\Assets\Office\ProjectionSpheric.scale-140.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Default.dotx	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Assets\AppTiles\StoreLargeTile.scale-200.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\iq_16x11.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-30_altform-unplated.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.scale-150.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Aquarium\aquarium_12d.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Livetiles\MicrosoftSolitaireAppList.targetsize-40_altform-unplated.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\HowToPlay\Spider\Tips_5.jpg	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Place\LargeTile.scale-200.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxMediumTile.scale-150.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Assets\AppTiles\StoreAppList.targetsize-96_altform-unplated.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\FileIcons\FileLogoExtensions.targetsize-40.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\PROFILE\THMBNAIL.PNG	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-100_8wekyb3d8bbwe\Lumia.ViewerPlugin\Assets\IconOpenInCinemagraph.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherImages\423x173\2.jpg	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\contrast-white\WideTile.scale-125.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-180.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\ps_16x11.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Jumbo\mask\1d.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\ThemePreview\Backgrounds\Aquarium.jpg	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\orcl7.xsl	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\VoiceRecorderMedTile.scale-200.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\RTL\contrast-black\LargeTile.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\na_60x42.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_neutral_split.scale-180_8wekyb3d8bbwe\Assets\Office\Group.scale-180.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-white\MedTile.scale-125_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\contrast-white\MedTile.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.targetsize-36_altform-unplated_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\animations\OneNoteFRE_Welcome.mp4	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-white\LargeTile.scale-200_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageStoreLogo.scale-200_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsSmallTile.contrast-black_scale-200.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Beach\mask\11s.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\8080_20x20x32.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\ThemeDownload\download_bar_base.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-16_altform-unplated_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tr.txt	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\AppTiles\MapsStoreLogo.scale-200.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Google.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\small\wfh.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Arkadium.Win10.DailyChallenges\Assets\Tab\TabCalendar.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Videos\Help\FlatFreehand3D.mp4	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Thumbnails\Sticker_Icon_Cloud.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5313_20x20x32.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\CalculatorSplashScreen.contrast-black_scale-125.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\fingerscrossed.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Tiles\tripeaks.jpg	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\Images\Ratings\Yelp10.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-32_altform-unplated_contrast-white.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Buttons\TryAgain\TryAgain-press.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\db2v0801.xsl	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Autumn\mask\13c.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Aquarium\aquarium_background.jpg	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\fr_60x42.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteSectionGroupSmallTile.scale-100.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\Workflow\Icon_Supports.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\EmbossBitmaps\Oval_icon.png	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
File opened for modification	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

Drops file in Windows directory 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Windows\rescache\_merged\2717123927\1590785016.pri explorer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exevssadmin.exe

pid process

3700 vssadmin.exe
4768 vssadmin.exe
3112 vssadmin.exe

description	ioc	process
File created	C:\Windows\rescache\_merged\2717123927\1590785016.pri	explorer.exe

pid	process
3700	vssadmin.exe
4768	vssadmin.exe
3112	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

pid	process
5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

vssvc.exeexplorer.exe

description	pid	process
Token: SeBackupPrivilege	4796	vssvc.exe
Token: SeRestorePrivilege	4796	vssvc.exe
Token: SeAuditPrivilege	4796	vssvc.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeCreatePagefilePrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeCreatePagefilePrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeCreatePagefilePrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeCreatePagefilePrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeCreatePagefilePrivilege	828	explorer.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

explorer.exe

pid process

828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

explorer.exe

pid process

828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe
828 explorer.exe

pid	process
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe

pid	process
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	pid	process	target process
PID 5064 wrote to memory of 3700	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe
PID 5064 wrote to memory of 3700	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe
PID 5064 wrote to memory of 4768	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe
PID 5064 wrote to memory of 4768	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe
PID 5064 wrote to memory of 3112	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe
PID 5064 wrote to memory of 3112	5064	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe	vssadmin.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
"C:\Users\Admin\AppData\Local\Temp\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.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:5064

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe List Shadows
2⤵
- Interacts with shadow copies
PID:3700

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:4768

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe List Shadows
2⤵
- Interacts with shadow copies
PID:3112

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4796

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:828

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\System32\xfs
Filesize
125KB

MD5
8872b28d6512793121d2019564dfff7e

SHA1
3ec7c8a8568c023c20eb0bda0bec4554fffd4439

SHA256
ad251aae36d5092b51a43d06b1ce5271fd4a50d47fbadf7b86f6b54bd7334249

SHA512
7eafa88879065c1f222991b82ec4b345f84a32c10853e4d79e21be2309925a057b88df8f2a6fc54fcb085faa9f7e4104e90a8aeb60b22112f6101f375f5fa275

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
Filesize
24B

MD5
419a089e66b9e18ada06c459b000cb4d

SHA1
ed2108a58ba73ac18c3d2bf0d8c1890c2632b05a

SHA256
c48e42e9ab4e25b92c43a7b0416d463b9ff7c69541e4623a39513bc98085f424

SHA512
bbd57bea7159748e1b13b3e459e2c8691a46bdc9323afdb9dbf9d8f09511750d46a1d98c717c7adca07d79edc859e925476dd03231507f37f45775c0a79a593c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
Filesize
7KB

MD5
47a7af53d005ff297d88b1e246ff3d00

SHA1
1e5510d0ec5f09e681287931495365fdca7b7641

SHA256
48b8b4f5f58296edea6409a14e97cb71bd9bcf411016199b404e94c4c66be027

SHA512
8565143dd6e2ebbfc4534e2bfa14cb56d50f7a9cd660729b46e7b62f181c6b066d8dbd982a95e90122cb771eec0b5724978f1ec8394fb1ffb1ab6fa17bbffdd5

Download Submit
memory/5064-0-0x0000000002280000-0x0000000002355000-memory.dmp

Filesize
852KB

Download
memory/5064-1-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-2-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-3-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-4-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-5-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-8-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-11-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-12-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-13-0x0000000002280000-0x0000000002355000-memory.dmp

Filesize
852KB

Download
memory/5064-14-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-15-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-16-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-17-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-18-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-19-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-22-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-23-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-24-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-25-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-26-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-27-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-28-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-29-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-30-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-31-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-32-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-33-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-34-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-35-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-36-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-37-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-38-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-39-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-40-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-41-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-42-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-43-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-44-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-45-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-46-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-47-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-48-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-49-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-50-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-51-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-52-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-53-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-54-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-60-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-61-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-62-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-63-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-65-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-66-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-67-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-68-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-69-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-70-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-71-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5064-72-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download