Analysis
-
max time kernel
1800s -
max time network
1547s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-10-2024 00:09
Static task
static1
Behavioral task
behavioral1
Sample
Nebula_Quest.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Nebula_Quest.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Nebula_Quest.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
Nebula_Quest.exe
Resource
win11-20241007-en
General
-
Target
Nebula_Quest.exe
-
Size
1.0MB
-
MD5
055d1462f66a350d9886542d4d79bc2b
-
SHA1
f1086d2f667d807dbb1aa362a7a809ea119f2565
-
SHA256
dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
-
SHA512
2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1
-
SSDEEP
24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
Signatures
-
Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (564) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
-
Drops startup file 5 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nebula_Quest.exe Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Nebula_Quest.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta Nebula_Quest.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nebula_Quest.exe = "C:\\Windows\\System32\\Nebula_Quest.exe" Nebula_Quest.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Windows\System32\Info.hta = "mshta.exe \"C:\\Windows\\System32\\Info.hta\"" Nebula_Quest.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Roaming\Info.hta = "mshta.exe \"C:\\Users\\Admin\\AppData\\Roaming\\Info.hta\"" Nebula_Quest.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Libraries\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Links\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Music\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Downloads\desktop.ini Nebula_Quest.exe File opened for modification C:\Program Files\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Documents\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Nebula_Quest.exe File opened for modification C:\Program Files (x86)\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Music\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Documents\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Videos\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Public\Videos\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Nebula_Quest.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2499603254-3415597248-1508446358-1000\desktop.ini Nebula_Quest.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-2499603254-3415597248-1508446358-1000\desktop.ini Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini Nebula_Quest.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Nebula_Quest.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility\Desktop.ini Nebula_Quest.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\System32\Nebula_Quest.exe Nebula_Quest.exe File created C:\Windows\System32\Info.hta Nebula_Quest.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll Nebula_Quest.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.targetsize-48_altform-unplated_contrast-black.png Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\es-es\ui-strings.js Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\ResiliencyLinks\Notifications\SoftLandingAssetDark.gif.DATA.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Cartridges\sqlpdw.xsl.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingNews_1.0.6.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\NewsWideTile.scale-200_contrast-white.png Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\dark\cstm_brand_preview.png.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART6.BDR.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_realrtsp_plugin.dll Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.2008.32311.0_x64__8wekyb3d8bbwe\Microsoft.Support.SDK.winmd Nebula_Quest.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hi-in.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.21012.10511.0_x64__8wekyb3d8bbwe\Assets\LargeLogo.scale-200.png Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\css\main.css Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingNews_1.0.6.0_x64__8wekyb3d8bbwe\Assets\AppTiles\NewsAppList.targetsize-20_altform-lightunplated.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\HxCalendarBadge.scale-125.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.6.10571.0_x64__8wekyb3d8bbwe\Images\LargeTile.scale-200_contrast-black.png Nebula_Quest.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\tr-tr\ui-strings.js.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-oob.xrm-ms.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_21.21030.25003.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_targetsize-48.png Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\s_radio_selected_18.svg Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\OWSCLT.DLL.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\cgg\LC_MESSAGES\vlc.mo Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.42251.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppPackageMedTile.scale-125.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.40978.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-36.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.targetsize-48_altform-unplated.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\en-gb\ui-strings.js Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-phn.xrm-ms Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\System.Runtime.Serialization.Json.dll Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0409-1000-0000000FF1CE.xml.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Buffers.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\move.svg.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\it-it\ui-strings.js Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Download_on_the_App_Store_Badge_de_135x40.svg.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files (x86)\Google\Update\1.3.36.371\goopdateres_am.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\javafx\jpeg_fx.md Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_1.0.22.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-30_altform-unplated_contrast-white.png Nebula_Quest.exe File opened for modification C:\Program Files\Windows Media Player\es-ES\setup_wm.exe.mui Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2020.503.58.0_x64__8wekyb3d8bbwe\CameraApp.Native.dll Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingNews_1.0.6.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\NewsAppList.targetsize-64_altform-lightunplated_contrast-white.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\Shield.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_11.2104.2.0_x64__8wekyb3d8bbwe\Assets\contrast-white\SnipSketchAppList.targetsize-20_altform-unplated.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_1.0.38.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderMedTile.scale-100.png Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-pl.xrm-ms Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-conio-l1-1-0.dll Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.21012.10511.0_x64__8wekyb3d8bbwe\ImmersiveVideoPlayback\Content\Shaders\LoadedModelShaders\StandardShader.io.hlsl Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\powerpoint.x-none.msi.16.x-none.boot.tree.dat.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Todos_0.33.33351.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.targetsize-256_contrast-white.png Nebula_Quest.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\sl-si\ui-strings.js Nebula_Quest.exe File created C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\api-ms-win-core-timezone-l1-1-0.dll.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\ResiliencyLinks\Locales\am.pak.DATA.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\GenericMailSmallTile.scale-100.png Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\MicrosoftWindows.Client.WebExperience_321.14700.0.9_x64__cw5n1h2txyewy\Dashboard\WebContent\node_modules\@fluentui\theme\node_modules\@fluentui\dom-utilities\lib-commonjs\getParent.js Nebula_Quest.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-phn.xrm-ms.id-746C7CFE.[[email protected]].ncov Nebula_Quest.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\Images\contrast-white\PowerAutomateSquare150x150Logo.scale-125.png Nebula_Quest.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nebula_Quest.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 14912 vssadmin.exe 34644 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe 3276 Nebula_Quest.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 15040 vssvc.exe Token: SeRestorePrivilege 15040 vssvc.exe Token: SeAuditPrivilege 15040 vssvc.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3276 wrote to memory of 4084 3276 Nebula_Quest.exe 78 PID 3276 wrote to memory of 4084 3276 Nebula_Quest.exe 78 PID 4084 wrote to memory of 6256 4084 cmd.exe 80 PID 4084 wrote to memory of 6256 4084 cmd.exe 80 PID 4084 wrote to memory of 14912 4084 cmd.exe 81 PID 4084 wrote to memory of 14912 4084 cmd.exe 81 PID 3276 wrote to memory of 34508 3276 Nebula_Quest.exe 85 PID 3276 wrote to memory of 34508 3276 Nebula_Quest.exe 85 PID 34508 wrote to memory of 34584 34508 cmd.exe 87 PID 34508 wrote to memory of 34584 34508 cmd.exe 87 PID 3276 wrote to memory of 34600 3276 Nebula_Quest.exe 88 PID 3276 wrote to memory of 34600 3276 Nebula_Quest.exe 88 PID 3276 wrote to memory of 34620 3276 Nebula_Quest.exe 89 PID 3276 wrote to memory of 34620 3276 Nebula_Quest.exe 89 PID 34508 wrote to memory of 34644 34508 cmd.exe 90 PID 34508 wrote to memory of 34644 34508 cmd.exe 90 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Nebula_Quest.exe"C:\Users\Admin\AppData\Local\Temp\Nebula_Quest.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4084 -
C:\Windows\system32\mode.commode con cp select=12513⤵PID:6256
-
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:14912
-
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:34508 -
C:\Windows\system32\mode.commode con cp select=12513⤵PID:34584
-
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:34644
-
-
-
C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"2⤵PID:34600
-
-
C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"2⤵PID:34620
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:15040
-
C:\Windows\system32\werfault.exewerfault.exe /h /shared Global\a83513a76f7e4ab79ea94435ea67f100 /t 34604 /p 346001⤵PID:17136
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-746C7CFE.[[email protected]].ncov
Filesize2.7MB
MD5fa9747cbdd124102f98ab2d03ef21d73
SHA1a2f897284377ad3d405a4ef2751626f80c38c1b0
SHA256cfee09a9b0185679086cffc8380a556731387803b07b5b2e7047aefcc72f4277
SHA51275632c71488cf93688ed527c8c769cd6ddbc983f5d91a871b29c54a06d8684b05f9c144fa2dfa1115bd84901de1c3e8f64ec8d82035b1d9be96484153e6aea50
-
Filesize
13KB
MD5ec74f4d42e08539140087b8858b5c2f7
SHA1e19539c64b74fbffc82a24e52be34f6d53575988
SHA2561bceae9a3cf10f7061dbcfe7a65b9ae68a74c4db71190e098d8400c8d2ad1201
SHA5125c1c9951038ad42e7321fc3473ef38203493d2e868935c08716680278278a6e1f48939d461f29042e535b2d80f36263cf9761d6dd141aa05cde9f1de9f6934f2