Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
05-07-2024 06:16
Static task
static1
Behavioral task
behavioral1
Sample
Fast.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Fast.exe
Resource
win10v2004-20240508-en
General
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Target
Fast.exe
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Size
66KB
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MD5
87d6d2488b1260e70f4042bf1f292529
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SHA1
161f9a79f8197c9b5de1beb7bd4d425d5c23b45b
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SHA256
45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f
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SHA512
a9d3930de1ff5849e61d1807c6de4b063790dc03f7e4f3f2101cbddde55002ffcc85d2ff433b753a5936403feedbc93c0f3658ffb5e8051d00ba58641e6afda7
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SSDEEP
1536:/NeRBl5PT/rx1mzwRMSTdLpJy/jIlkugRGVy/SR1qo+tEgfNni:/QRrmzwR5JysFV12i
Malware Config
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
Processes:
bcdedit.exebcdedit.exebcdedit.exebcdedit.exepid process 1408 bcdedit.exe 2396 bcdedit.exe 3636 bcdedit.exe 4636 bcdedit.exe -
Renames multiple (517) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Processes:
wbadmin.exewbadmin.exepid process 376 wbadmin.exe 1664 wbadmin.exe -
Modifies Windows Firewall 2 TTPs 2 IoCs
Processes:
netsh.exenetsh.exepid process 2128 netsh.exe 2576 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Fast.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation Fast.exe -
Drops startup file 3 IoCs
Processes:
Fast.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Fast.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id[CE403241-3483].[[email protected]].8base Fast.exe File created \??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\Fast.exe Fast.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Fast.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe" Fast.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe" Fast.exe -
Drops desktop.ini file(s) 64 IoCs
Processes:
Fast.exedescription ioc process File opened for modification C:\Users\Admin\Favorites\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Documents\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini Fast.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Fast.exe File opened for modification C:\Users\Public\desktop.ini Fast.exe File opened for modification C:\Users\Public\Videos\desktop.ini Fast.exe File opened for modification C:\Program Files\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\Links\desktop.ini Fast.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Fast.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\Users\Public\Music\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Music\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Videos\desktop.ini Fast.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Fast.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Fast.exe File opened for modification C:\Users\Public\Libraries\desktop.ini Fast.exe File opened for modification C:\Program Files (x86)\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini Fast.exe File opened for modification C:\Users\Public\Downloads\desktop.ini Fast.exe File opened for modification C:\Users\Public\Pictures\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini Fast.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini Fast.exe File opened for modification C:\Users\Public\Documents\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Fast.exe -
Drops file in Program Files directory 64 IoCs
Processes:
Fast.exedescription ioc process File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\logo.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\VisualElements\LogoBeta.png.DATA Fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubLargeTile.scale-200.png Fast.exe File created C:\Program Files\VideoLAN\VLC\README.txt.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Sun.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSectionGroupWideTile.scale-125.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\ru-ru\ui-strings.js Fast.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_th.dll Fast.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\plugin2\npjp2.dll Fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_2019.729.2301.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\zh-cn\ui-strings.js Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\themes\dark\faf_icons.png Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Locales\hi.pak.DATA Fast.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Snippets\ShouldBeNullOrEmpty.snippets.ps1xml Fast.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\cursors.properties.id[CE403241-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\dom.md.id[CE403241-3483].[[email protected]].8base Fast.exe File created C:\Program Files\VideoLAN\VLC\locale\lg\LC_MESSAGES\vlc.mo.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.targetsize-24_altform-unplated.png Fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-80_altform-unplated_contrast-black.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\faf_icons_retina.png.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\Filters\tifffilt.dll Fast.exe File created C:\Program Files\Microsoft Office\root\vfs\System\atl110.dll.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\images\AppExcel32x32.png Fast.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\content-types.properties Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageStoreLogo.scale-200_contrast-white.png Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\en\Common.FileUtils.Resources.dll Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-48.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\RTL\contrast-black\WideTile.scale-200.png Fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\IC_WelcomeBanner.scale-400.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Place\contrast-white\WideTile.scale-200.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\KnownGameList.bin Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\illustrations.png.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\TimerLargeTile.contrast-white_scale-125.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-48_contrast-white.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-96_altform-unplated_contrast-black_devicefamily-colorfulunplated.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-white_targetsize-256.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\sl-sl\ui-strings.js.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsAppList.targetsize-30.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\InAppSign.aapp Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OFFSYMK.TTF Fast.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\catalog.json.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppCS\Assets\EmptyVideoProjectCreations_DarkTheme.png Fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-16.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\example_icons2x.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\HomeBanner-4x.png.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.187.37\msedgeupdateres_gl.dll Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\DVA.api Fast.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll Fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-oob.xrm-ms.id[CE403241-3483].[[email protected]].8base Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\misc\altDekstopCopyPasteHelper.js.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTest-pl.xrm-ms Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.targetsize-60.png Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\identity_proxy\identity_helper.Sparse.Internal.msix.DATA Fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\PREVIEW.GIF Fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.id[CE403241-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ppd.xrm-ms Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms Fast.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
Processes:
netsh.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
vds.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 2292 vssadmin.exe 4504 vssadmin.exe -
Modifies registry class 1 IoCs
Processes:
Fast.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings Fast.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Fast.exepid process 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe 1628 Fast.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Fast.exevssvc.exeWMIC.exewbengine.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1628 Fast.exe Token: SeBackupPrivilege 4692 vssvc.exe Token: SeRestorePrivilege 4692 vssvc.exe Token: SeAuditPrivilege 4692 vssvc.exe Token: SeIncreaseQuotaPrivilege 5020 WMIC.exe Token: SeSecurityPrivilege 5020 WMIC.exe Token: SeTakeOwnershipPrivilege 5020 WMIC.exe Token: SeLoadDriverPrivilege 5020 WMIC.exe Token: SeSystemProfilePrivilege 5020 WMIC.exe Token: SeSystemtimePrivilege 5020 WMIC.exe Token: SeProfSingleProcessPrivilege 5020 WMIC.exe Token: SeIncBasePriorityPrivilege 5020 WMIC.exe Token: SeCreatePagefilePrivilege 5020 WMIC.exe Token: SeBackupPrivilege 5020 WMIC.exe Token: SeRestorePrivilege 5020 WMIC.exe Token: SeShutdownPrivilege 5020 WMIC.exe Token: SeDebugPrivilege 5020 WMIC.exe Token: SeSystemEnvironmentPrivilege 5020 WMIC.exe Token: SeRemoteShutdownPrivilege 5020 WMIC.exe Token: SeUndockPrivilege 5020 WMIC.exe Token: SeManageVolumePrivilege 5020 WMIC.exe Token: 33 5020 WMIC.exe Token: 34 5020 WMIC.exe Token: 35 5020 WMIC.exe Token: 36 5020 WMIC.exe Token: SeIncreaseQuotaPrivilege 5020 WMIC.exe Token: SeSecurityPrivilege 5020 WMIC.exe Token: SeTakeOwnershipPrivilege 5020 WMIC.exe Token: SeLoadDriverPrivilege 5020 WMIC.exe Token: SeSystemProfilePrivilege 5020 WMIC.exe Token: SeSystemtimePrivilege 5020 WMIC.exe Token: SeProfSingleProcessPrivilege 5020 WMIC.exe Token: SeIncBasePriorityPrivilege 5020 WMIC.exe Token: SeCreatePagefilePrivilege 5020 WMIC.exe Token: SeBackupPrivilege 5020 WMIC.exe Token: SeRestorePrivilege 5020 WMIC.exe Token: SeShutdownPrivilege 5020 WMIC.exe Token: SeDebugPrivilege 5020 WMIC.exe Token: SeSystemEnvironmentPrivilege 5020 WMIC.exe Token: SeRemoteShutdownPrivilege 5020 WMIC.exe Token: SeUndockPrivilege 5020 WMIC.exe Token: SeManageVolumePrivilege 5020 WMIC.exe Token: 33 5020 WMIC.exe Token: 34 5020 WMIC.exe Token: 35 5020 WMIC.exe Token: 36 5020 WMIC.exe Token: SeBackupPrivilege 4932 wbengine.exe Token: SeRestorePrivilege 4932 wbengine.exe Token: SeSecurityPrivilege 4932 wbengine.exe Token: SeIncreaseQuotaPrivilege 4032 WMIC.exe Token: SeSecurityPrivilege 4032 WMIC.exe Token: SeTakeOwnershipPrivilege 4032 WMIC.exe Token: SeLoadDriverPrivilege 4032 WMIC.exe Token: SeSystemProfilePrivilege 4032 WMIC.exe Token: SeSystemtimePrivilege 4032 WMIC.exe Token: SeProfSingleProcessPrivilege 4032 WMIC.exe Token: SeIncBasePriorityPrivilege 4032 WMIC.exe Token: SeCreatePagefilePrivilege 4032 WMIC.exe Token: SeBackupPrivilege 4032 WMIC.exe Token: SeRestorePrivilege 4032 WMIC.exe Token: SeShutdownPrivilege 4032 WMIC.exe Token: SeDebugPrivilege 4032 WMIC.exe Token: SeSystemEnvironmentPrivilege 4032 WMIC.exe Token: SeRemoteShutdownPrivilege 4032 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
Fast.execmd.execmd.execmd.exedescription pid process target process PID 1628 wrote to memory of 5052 1628 Fast.exe cmd.exe PID 1628 wrote to memory of 5052 1628 Fast.exe cmd.exe PID 1628 wrote to memory of 1796 1628 Fast.exe cmd.exe PID 1628 wrote to memory of 1796 1628 Fast.exe cmd.exe PID 5052 wrote to memory of 2292 5052 cmd.exe vssadmin.exe PID 5052 wrote to memory of 2292 5052 cmd.exe vssadmin.exe PID 1796 wrote to memory of 2576 1796 cmd.exe netsh.exe PID 1796 wrote to memory of 2576 1796 cmd.exe netsh.exe PID 1796 wrote to memory of 2128 1796 cmd.exe netsh.exe PID 1796 wrote to memory of 2128 1796 cmd.exe netsh.exe PID 5052 wrote to memory of 5020 5052 cmd.exe WMIC.exe PID 5052 wrote to memory of 5020 5052 cmd.exe WMIC.exe PID 5052 wrote to memory of 2396 5052 cmd.exe bcdedit.exe PID 5052 wrote to memory of 2396 5052 cmd.exe bcdedit.exe PID 5052 wrote to memory of 1408 5052 cmd.exe bcdedit.exe PID 5052 wrote to memory of 1408 5052 cmd.exe bcdedit.exe PID 5052 wrote to memory of 376 5052 cmd.exe wbadmin.exe PID 5052 wrote to memory of 376 5052 cmd.exe wbadmin.exe PID 1628 wrote to memory of 2092 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 2092 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 2092 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 2120 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 2120 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 2120 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 3472 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 3472 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 3472 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 1904 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 1904 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 1904 1628 Fast.exe mshta.exe PID 1628 wrote to memory of 1736 1628 Fast.exe cmd.exe PID 1628 wrote to memory of 1736 1628 Fast.exe cmd.exe PID 1736 wrote to memory of 4504 1736 cmd.exe vssadmin.exe PID 1736 wrote to memory of 4504 1736 cmd.exe vssadmin.exe PID 1736 wrote to memory of 4032 1736 cmd.exe WMIC.exe PID 1736 wrote to memory of 4032 1736 cmd.exe WMIC.exe PID 1736 wrote to memory of 3636 1736 cmd.exe bcdedit.exe PID 1736 wrote to memory of 3636 1736 cmd.exe bcdedit.exe PID 1736 wrote to memory of 4636 1736 cmd.exe bcdedit.exe PID 1736 wrote to memory of 4636 1736 cmd.exe bcdedit.exe PID 1736 wrote to memory of 1664 1736 cmd.exe wbadmin.exe PID 1736 wrote to memory of 1664 1736 cmd.exe wbadmin.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Fast.exe"C:\Users\Admin\AppData\Local\Temp\Fast.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Fast.exe"C:\Users\Admin\AppData\Local\Temp\Fast.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Indicator Removal
3File Deletion
3Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Direct Volume Access
1Replay Monitor
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Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.id[CE403241-3483].[[email protected]].8baseFilesize
2.7MB
MD5f6e0a071bd31e49d6289c8e07e24a25a
SHA119cb59b6371d72eadd4b600b856d7af3e15bd37d
SHA25695755a93b6e45cdd7ab3ec998c19fbd977bc96f4dd6a88de9572cd30483845e4
SHA5123aaf0291c170b35253e099dfc47d17374318d447b0db3e1a6814553d56ad0d7e4e18b855675cd6a73dc96d003b207d7b5c51a3b40b08d5fb9b6ab41e4f5cc085
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C:\info.htaFilesize
9KB
MD517b5efcb1f9664b176e22ea3861cc35c
SHA10c60352fd0bcf3232563ce6966df930c682d3a00
SHA25693744c22cb5fadc95246add9318bc204d1b3b216f291992c55b9f5ce126c0fcb
SHA512630c22f00eabb31e2eec5c53ae6a96320aeef2ff882d7f98bdaf46388210ba4f167ae4118a5f70947ef21df0034ea387a9f65bc7f93f22ee964f5cd245be7948