troldesh | 0b432f20d54647f077811ecb1df4dbc64fb17fbd6a9e0cce4ac9437d5f7891fb

Resubmissions

18-03-2024 22:36

240318-2h9hwsba88 10

Analysis

max time kernel
1799s
max time network
1802s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 22:36

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General

Target

Ransomware/NoMoreRansom.exe
Size

1.4MB
MD5

63210f8f1dde6c40a7f3643ccf0ff313
SHA1

57edd72391d710d71bead504d44389d0462ccec9
SHA256

2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f
SHA512

87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11
SSDEEP

12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK

Score

10^/10

troldesh 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-1-5-21-1904519900-954640453-4250331663-1000\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

UPX packed file 30 IoCs

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

upx

Processes:

resource	yara_rule
behavioral19/memory/4852-1-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-2-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-3-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-4-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-5-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-9-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-10-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-11-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-12-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-13-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-14-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-17-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-18-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-19-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-20-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-21-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-22-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-23-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-24-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-25-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-26-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-27-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-28-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-29-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-30-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-68-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-69-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-70-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-71-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral19/memory/4852-72-0x0000000000400000-0x00000000005DE000-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:

NoMoreRansom.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	NoMoreRansom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	NoMoreRansom.exe

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:

NoMoreRansom.exe

description ioc process

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

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

NoMoreRansom.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\41EEA5C341EEA5C3.bmp"	NoMoreRansom.exe

Drops file in Program Files directory 64 IoCs

Processes:

NoMoreRansom.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-60_contrast-black.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\legal\jdk\santuario.md	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSplashLogo.scale-300.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarAppList.targetsize-20_altform-unplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-54_altform-unplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\SplashScreen.scale-100_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\EnsoUI\dashboard_slomo_ON.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\SplashScreen.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\EmptyShare.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\StoreLogo.scale-150_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\157.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\office32ww.msi.16.x-none.boot.tree.dat	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-30_altform-lightunplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-black_targetsize-16.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-white\WideTile.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-60_altform-unplated_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GamesXboxHubAppList.scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrome.7z	NoMoreRansom.exe
File opened for modification	C:\Program Files\SetWatch.rar	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSectionWideTile.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vreg\office32mui.msi.16.en-us.vreg.dat	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\EmptySearch.scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\HelpAndFeedback\FeedbackThumbnail.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\Square44x44\PaintAppList.targetsize-256_altform-unplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\VoiceRecorderWideTile.contrast-white_scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\TrafficHub\contrast-black\MedTile.scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\manifest.json	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-32_altform-unplated_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\RTL\contrast-black\SmallTile.scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\Office365LogoWLockup.scale-180.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\SpotifyAB.SpotifyMusic_1.233.1039.0_x64__zpdnekdrzrea0\Assets\Square150x150Logo.scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\2876_20x20x32.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsSmallTile.contrast-black_scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_targetsize-24.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-40.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-48_altform-unplated_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MotionController_Pair.jpg	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\SpotifyAB.SpotifyMusic_1.233.1039.0_x64__zpdnekdrzrea0\Assets\StoreLogo.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-16_altform-unplated_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SmallTile.scale-125_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\en-us\lpcstrings.json	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Square44x44Logo.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-60_altform-unplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageWideTile.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraLargeTile.scale-125.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieXLEditTextModel.bin	NoMoreRansom.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\v8_context_snapshot.bin	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\AppxManifest.xml	NoMoreRansom.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml	NoMoreRansom.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNotebookMedTile.scale-400.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailSmallTile.scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\StopwatchWideTile.contrast-white_scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-white\MixedRealityPortalSplashScreen.scale-125_contrast-white.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-96_altform-unplated_contrast-black.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\StoreSmallTile.scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-96_altform-unplated_devicefamily-colorfulunplated.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GamesXboxHubAppList.scale-100.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\RTL\contrast-black\LargeTile.scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Images\SkypeAppList.scale-200.png	NoMoreRansom.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\images\FileForms32x32.png	NoMoreRansom.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

3536 vssadmin.exe
4840 vssadmin.exe
5112 vssadmin.exe

pid	process
3536	vssadmin.exe
4840	vssadmin.exe
5112	vssadmin.exe

Modifies registry class 2 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1904519900-954640453-4250331663-1000\{EA8CCC2B-35E4-458A-8CA3-BC11AA88A6F8}	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

NoMoreRansom.exe

pid process

4852 NoMoreRansom.exe
4852 NoMoreRansom.exe
4852 NoMoreRansom.exe
4852 NoMoreRansom.exe

pid	process
4852	NoMoreRansom.exe
4852	NoMoreRansom.exe
4852	NoMoreRansom.exe
4852	NoMoreRansom.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes:

svchost.exevssvc.exeexplorer.exe

description	pid	process
Token: SeManageVolumePrivilege	4892	svchost.exe
Token: SeBackupPrivilege	1788	vssvc.exe
Token: SeRestorePrivilege	1788	vssvc.exe
Token: SeAuditPrivilege	1788	vssvc.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe
Token: SeShutdownPrivilege	1416	explorer.exe
Token: SeCreatePagefilePrivilege	1416	explorer.exe

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

explorer.exe

pid process

1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

explorer.exe

pid process

1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe
1416 explorer.exe

pid	process
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe

pid	process
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe
1416	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

NoMoreRansom.exe

description	pid	process	target process
PID 4852 wrote to memory of 5112	4852	NoMoreRansom.exe	vssadmin.exe
PID 4852 wrote to memory of 5112	4852	NoMoreRansom.exe	vssadmin.exe
PID 4852 wrote to memory of 3536	4852	NoMoreRansom.exe	vssadmin.exe
PID 4852 wrote to memory of 3536	4852	NoMoreRansom.exe	vssadmin.exe
PID 4852 wrote to memory of 4840	4852	NoMoreRansom.exe	vssadmin.exe
PID 4852 wrote to memory of 4840	4852	NoMoreRansom.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\Ransomware\NoMoreRansom.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware\NoMoreRansom.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:4852

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe List Shadows
2⤵
- Interacts with shadow copies
PID:5112

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:3536

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe List Shadows
2⤵
- Interacts with shadow copies
PID:4840

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1304 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
1⤵
PID:2260

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:1064

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4892

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3772 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
1⤵
PID:4740

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1788

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1416

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

T1490

Defacement

T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\System32\xfs
Filesize
184KB

MD5
d11f9168bdea2d7b88018c7869489d3a

SHA1
28c52599df06de0923bc563587c47d76afb28d1e

SHA256
3800c4c84362ff70a1e392a597d7e828bbde082f1668e4396bf0c9c8fcd40658

SHA512
dfb50845adbedfea684cb0b525adaba77652fdc05e836f696b114abeb396cfab101c598b8fd63275d2147e09ed4a797a34180497fdcf72f45719be1448b75249

Download Submit
memory/4852-23-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-72-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-3-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-24-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-5-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-10-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-12-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-13-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-14-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-17-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-18-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-19-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-20-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-21-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-22-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-0-0x0000000002340000-0x000000000240E000-memory.dmp

Filesize
824KB

Download
memory/4852-4-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-2-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-27-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-26-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-28-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-29-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-30-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-1-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-25-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-71-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-70-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-69-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4852-68-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4892-67-0x000001E0163F0000-0x000001E0163F1000-memory.dmp

Filesize
4KB

Download
memory/4892-66-0x000001E0162E0000-0x000001E0162E1000-memory.dmp

Filesize
4KB

Download
memory/4892-65-0x000001E0162E0000-0x000001E0162E1000-memory.dmp

Filesize
4KB

Download
memory/4892-63-0x000001E0162B0000-0x000001E0162B1000-memory.dmp

Filesize
4KB

Download
memory/4892-47-0x000001E00DF40000-0x000001E00DF50000-memory.dmp

Filesize
64KB

Download
memory/4892-31-0x000001E00DE40000-0x000001E00DE50000-memory.dmp

Filesize
64KB

Download