Resubmissions
28-11-2023 16:37
231128-t4r7qsbe46 1028-11-2023 16:13
231128-tpfv6abd57 1012-11-2023 18:32
231112-w6zeyaah44 10Analysis
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max time kernel
300s -
max time network
304s -
platform
windows11-21h2_x64 -
resource
win11-20231128-en -
resource tags
arch:x64arch:x86image:win11-20231128-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-11-2023 16:13
Static task
static1
Behavioral task
behavioral1
Sample
Fast.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral2
Sample
Fast.exe
Resource
win11-20231128-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'>
Extracted
C:\Users\Admin\Desktop\info.hta
http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion
https://t.me/eightbase
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 2 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 1852 bcdedit.exe 4816 bcdedit.exe 1100 bcdedit.exe 3700 bcdedit.exe -
Renames multiple (537) 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 3408 wbadmin.exe 2112 wbadmin.exe -
Modifies Windows Firewall 1 TTPs 2 IoCs
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Drops startup file 3 IoCs
Processes:
Fast.exedescription ioc process File created \??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\Fast.exe Fast.exe 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[A4025A72-3483].[[email protected]].8base 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-1-5-21-2419339351-1576266894-3530880589-1000\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:\Program Files (x86)\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Fast.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2419339351-1576266894-3530880589-1000\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\Searches\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:\Users\Public\desktop.ini Fast.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\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\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Documents\desktop.ini Fast.exe File opened for modification C:\Users\Public\Downloads\desktop.ini Fast.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\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\Desktop\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Saved Games\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\Accessibility\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\Programs\System Tools\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Videos\desktop.ini Fast.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-2419339351-1576266894-3530880589-1000\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\Internet Explorer\Quick Launch\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:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Fast.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini Fast.exe File opened for modification C:\Users\Public\AccountPictures\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\Admin\Favorites\Links\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Music\desktop.ini Fast.exe File opened for modification C:\Users\Public\Pictures\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\Startup\desktop.ini Fast.exe File opened for modification C:\Users\Admin\Contacts\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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\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\Pictures\Camera Roll\desktop.ini Fast.exe File opened for modification C:\Users\Public\Desktop\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\Internet Explorer\Quick Launch\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Fast.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini Fast.exe File opened for modification C:\Users\Public\Music\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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\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\AppData\Local\Microsoft\Windows\History\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\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\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.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-60.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.41182.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-150_contrast-black.png Fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-80.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\adobe_sign_tag_retina.png.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ul-oob.xrm-ms Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MEDIA\HAMMER.WAV Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.2012.21.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-96_altform-lightunplated.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons_retina.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\pdf-ownership-rdr-ja_jp_2x.gif Fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Net.ServicePoint.dll Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_4.0.2.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Icons\StickyNotesMedTile.scale-125.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\Images\contrast-white\PowerAutomateSplashScreen.scale-150.png Fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Appstore\Download_on_the_App_Store_Badge_pt_135x40.svg Fast.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\en-US\msdaorar.dll.mui Fast.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\MSFT_PackageManagement.schema.mof.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\System.dll Fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Dynamic.Runtime.dll Fast.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Yahoo-Dark.scale-400.png Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_school.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_1.0.36.0_x64__8wekyb3d8bbwe\Assets\AlarmsLargeTile.scale-200_contrast-white.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.32731.0_x64__8wekyb3d8bbwe\Assets\WideTile.scale-100.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Paint_10.2104.17.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PaintSmallTile.scale-150.png Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\Locales\sr-Cyrl-BA.pak Fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\pt-BR\WindowsBase.resources.dll.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\VideoLAN\VLC\plugins\codec\libvorbis_plugin.dll.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\hr-hr\ui-strings.js.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\pl-pl\ui-strings.js.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_filter\librecord_plugin.dll Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.2012.21.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-30_altform-lightunplated_contrast-white.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\AdobeID.pdf.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ja\System.Windows.Forms.resources.dll Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppxSignature.p7x Fast.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\90.0.818.66\Trust Protection Lists\Sigma\Other.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\PresentationFramework-SystemXmlLinq.dll.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Microsoft Office\root\rsod\excel.x-none.msi.16.x-none.tree.dat.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\images\contrast-black\MoveToFolderToastQuickAction.scale-80.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsNotepad_10.2102.13.0_x64__8wekyb3d8bbwe\Assets\NotepadAppList.targetsize-36_altform-unplated.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_1.0.38.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-32_altform-unplated_contrast-black.png Fast.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\Functions\Assertions\Set-TestInconclusive.ps1 Fast.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\90.0.818.66\ResiliencyLinks\Locales\devtools\ru.pak.DATA Fast.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\prism_common.dll Fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\en-gb\ui-strings.js.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_neutral_split.scale-125_8wekyb3d8bbwe\Images\Wide310x150Logo.scale-125.png Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-180.png Fast.exe File created C:\Program Files\VideoLAN\VLC\plugins\video_filter\libextract_plugin.dll.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\AccessMessageDismissal.txt.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\Mozilla Firefox\installation_telemetry.json Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.2012.21.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-24_altform-lightunplated.png Fast.exe File opened for modification C:\Program Files\WindowsApps\MicrosoftWindows.Client.WebExperience_321.14700.0.9_x64__cw5n1h2txyewy\Dashboard\WebContent\node_modules\@fluentui\react\lib\components\DetailsList\ShimmeredDetailsList.styles.js Fast.exe File opened for modification C:\Program Files\WindowsApps\MicrosoftWindows.Client.WebExperience_321.14700.0.9_x64__cw5n1h2txyewy\Dashboard\WebContent\node_modules\@fluentui\react\lib-commonjs\components\DocumentCard\DocumentCardActions.base.js Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\text.cur.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_1.0.6.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherAppList.targetsize-36_altform-unplated.png Fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Playstore\en_get.svg.id[A4025A72-3483].[[email protected]].8base Fast.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_1.0.38.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-16_altform-unplated_contrast-black.png Fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe.id[A4025A72-3483].[[email protected]].8base Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_12104.1001.1.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\StoreAppList.targetsize-72.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\Images\contrast-black\PowerAutomateSquare70x70Logo.scale-180.png Fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.2103.1172.0_x64__8wekyb3d8bbwe\Assets\contrast-black\FeedbackHubAppList.targetsize-30.png Fast.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe 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_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 vds.exe -
Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 4032 vssadmin.exe 3956 vssadmin.exe -
Modifies registry class 1 IoCs
Processes:
Fast.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2419339351-1576266894-3530880589-1000_Classes\Local Settings Fast.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Fast.exepid process 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe 2476 Fast.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Fast.exevssvc.exeWMIC.exewbengine.exeWMIC.exedescription pid process Token: SeDebugPrivilege 2476 Fast.exe Token: SeBackupPrivilege 3400 vssvc.exe Token: SeRestorePrivilege 3400 vssvc.exe Token: SeAuditPrivilege 3400 vssvc.exe Token: SeIncreaseQuotaPrivilege 3292 WMIC.exe Token: SeSecurityPrivilege 3292 WMIC.exe Token: SeTakeOwnershipPrivilege 3292 WMIC.exe Token: SeLoadDriverPrivilege 3292 WMIC.exe Token: SeSystemProfilePrivilege 3292 WMIC.exe Token: SeSystemtimePrivilege 3292 WMIC.exe Token: SeProfSingleProcessPrivilege 3292 WMIC.exe Token: SeIncBasePriorityPrivilege 3292 WMIC.exe Token: SeCreatePagefilePrivilege 3292 WMIC.exe Token: SeBackupPrivilege 3292 WMIC.exe Token: SeRestorePrivilege 3292 WMIC.exe Token: SeShutdownPrivilege 3292 WMIC.exe Token: SeDebugPrivilege 3292 WMIC.exe Token: SeSystemEnvironmentPrivilege 3292 WMIC.exe Token: SeRemoteShutdownPrivilege 3292 WMIC.exe Token: SeUndockPrivilege 3292 WMIC.exe Token: SeManageVolumePrivilege 3292 WMIC.exe Token: 33 3292 WMIC.exe Token: 34 3292 WMIC.exe Token: 35 3292 WMIC.exe Token: 36 3292 WMIC.exe Token: SeIncreaseQuotaPrivilege 3292 WMIC.exe Token: SeSecurityPrivilege 3292 WMIC.exe Token: SeTakeOwnershipPrivilege 3292 WMIC.exe Token: SeLoadDriverPrivilege 3292 WMIC.exe Token: SeSystemProfilePrivilege 3292 WMIC.exe Token: SeSystemtimePrivilege 3292 WMIC.exe Token: SeProfSingleProcessPrivilege 3292 WMIC.exe Token: SeIncBasePriorityPrivilege 3292 WMIC.exe Token: SeCreatePagefilePrivilege 3292 WMIC.exe Token: SeBackupPrivilege 3292 WMIC.exe Token: SeRestorePrivilege 3292 WMIC.exe Token: SeShutdownPrivilege 3292 WMIC.exe Token: SeDebugPrivilege 3292 WMIC.exe Token: SeSystemEnvironmentPrivilege 3292 WMIC.exe Token: SeRemoteShutdownPrivilege 3292 WMIC.exe Token: SeUndockPrivilege 3292 WMIC.exe Token: SeManageVolumePrivilege 3292 WMIC.exe Token: 33 3292 WMIC.exe Token: 34 3292 WMIC.exe Token: 35 3292 WMIC.exe Token: 36 3292 WMIC.exe Token: SeBackupPrivilege 5100 wbengine.exe Token: SeRestorePrivilege 5100 wbengine.exe Token: SeSecurityPrivilege 5100 wbengine.exe Token: SeIncreaseQuotaPrivilege 240 WMIC.exe Token: SeSecurityPrivilege 240 WMIC.exe Token: SeTakeOwnershipPrivilege 240 WMIC.exe Token: SeLoadDriverPrivilege 240 WMIC.exe Token: SeSystemProfilePrivilege 240 WMIC.exe Token: SeSystemtimePrivilege 240 WMIC.exe Token: SeProfSingleProcessPrivilege 240 WMIC.exe Token: SeIncBasePriorityPrivilege 240 WMIC.exe Token: SeCreatePagefilePrivilege 240 WMIC.exe Token: SeBackupPrivilege 240 WMIC.exe Token: SeRestorePrivilege 240 WMIC.exe Token: SeShutdownPrivilege 240 WMIC.exe Token: SeDebugPrivilege 240 WMIC.exe Token: SeSystemEnvironmentPrivilege 240 WMIC.exe Token: SeRemoteShutdownPrivilege 240 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
Fast.execmd.execmd.execmd.exedescription pid process target process PID 2476 wrote to memory of 2472 2476 Fast.exe cmd.exe PID 2476 wrote to memory of 2472 2476 Fast.exe cmd.exe PID 2476 wrote to memory of 3096 2476 Fast.exe cmd.exe PID 2476 wrote to memory of 3096 2476 Fast.exe cmd.exe PID 3096 wrote to memory of 4112 3096 cmd.exe netsh.exe PID 3096 wrote to memory of 4112 3096 cmd.exe netsh.exe PID 2472 wrote to memory of 4032 2472 cmd.exe vssadmin.exe PID 2472 wrote to memory of 4032 2472 cmd.exe vssadmin.exe PID 3096 wrote to memory of 4616 3096 cmd.exe netsh.exe PID 3096 wrote to memory of 4616 3096 cmd.exe netsh.exe PID 2472 wrote to memory of 3292 2472 cmd.exe WMIC.exe PID 2472 wrote to memory of 3292 2472 cmd.exe WMIC.exe PID 2472 wrote to memory of 1852 2472 cmd.exe bcdedit.exe PID 2472 wrote to memory of 1852 2472 cmd.exe bcdedit.exe PID 2472 wrote to memory of 4816 2472 cmd.exe bcdedit.exe PID 2472 wrote to memory of 4816 2472 cmd.exe bcdedit.exe PID 2472 wrote to memory of 3408 2472 cmd.exe wbadmin.exe PID 2472 wrote to memory of 3408 2472 cmd.exe wbadmin.exe PID 2476 wrote to memory of 4816 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 4816 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 4816 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3888 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3888 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 3888 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 1504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 1504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 1504 2476 Fast.exe mshta.exe PID 2476 wrote to memory of 4412 2476 Fast.exe cmd.exe PID 2476 wrote to memory of 4412 2476 Fast.exe cmd.exe PID 4412 wrote to memory of 3956 4412 cmd.exe vssadmin.exe PID 4412 wrote to memory of 3956 4412 cmd.exe vssadmin.exe PID 4412 wrote to memory of 240 4412 cmd.exe WMIC.exe PID 4412 wrote to memory of 240 4412 cmd.exe WMIC.exe PID 4412 wrote to memory of 1100 4412 cmd.exe bcdedit.exe PID 4412 wrote to memory of 1100 4412 cmd.exe bcdedit.exe PID 4412 wrote to memory of 3700 4412 cmd.exe bcdedit.exe PID 4412 wrote to memory of 3700 4412 cmd.exe bcdedit.exe PID 4412 wrote to memory of 2112 4412 cmd.exe wbadmin.exe PID 4412 wrote to memory of 2112 4412 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⤵
- 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
PID:2476 -
C:\Users\Admin\AppData\Local\Temp\Fast.exe"C:\Users\Admin\AppData\Local\Temp\Fast.exe"2⤵PID:2128
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
PID:4112 -
C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
PID:4616 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:4032 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3292 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:1852 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:4816 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
PID:3408 -
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⤵PID:4816
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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⤵PID:3504
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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⤵PID:3888
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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⤵PID:1504
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3956 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:240 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:1100 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:3700 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
PID:2112
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3400
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5100
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:664
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3052
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C:\Windows\SysWOW64\werfault.exewerfault.exe /h /shared Global\604d337396ef42bb9d2803f776d02f88 /t 4492 /p 35041⤵PID:2092
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[A4025A72-3483].[[email protected]].8baseFilesize
3.2MB
MD548ac484ccbce892cae1ac6281feb0579
SHA14fda24d3f5ab5cc5e96ff3a6032061a57585ebe9
SHA2563daa9363e9a0d69067e3e1a49f29c50c9f5a16e5b75f1402a1f71dffcbd0a6a2
SHA512debb5271b2308ebafab10fc9726c27e61bcf3dd7a1b1cda064f901f82b87410a9a2c3e0730a116b2716e68c42e7595d949cb258441f2314416b2fa37c6a32635
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C:\Users\Admin\Desktop\info.htaFilesize
9KB
MD581efe4a1a4d91e6bb64ddabcc67239ca
SHA1156c47666dca8508c4bd002e3e55588241fed578
SHA25664c6f466c3092949dde76fbd0e19997151f1b5e142ad413214a4cee07ae1e48c
SHA5127a3e7e17fd83517850f5408291bdd40cc84d348991803ef31aae47658c33370b40f8d83c45803f48b2773e80e66c985ba8ed83d737189c308bc86e7739865776
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C:\info.htaFilesize
9KB
MD581efe4a1a4d91e6bb64ddabcc67239ca
SHA1156c47666dca8508c4bd002e3e55588241fed578
SHA25664c6f466c3092949dde76fbd0e19997151f1b5e142ad413214a4cee07ae1e48c
SHA5127a3e7e17fd83517850f5408291bdd40cc84d348991803ef31aae47658c33370b40f8d83c45803f48b2773e80e66c985ba8ed83d737189c308bc86e7739865776
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C:\info.htaFilesize
9KB
MD581efe4a1a4d91e6bb64ddabcc67239ca
SHA1156c47666dca8508c4bd002e3e55588241fed578
SHA25664c6f466c3092949dde76fbd0e19997151f1b5e142ad413214a4cee07ae1e48c
SHA5127a3e7e17fd83517850f5408291bdd40cc84d348991803ef31aae47658c33370b40f8d83c45803f48b2773e80e66c985ba8ed83d737189c308bc86e7739865776
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C:\users\public\desktop\info.htaFilesize
9KB
MD581efe4a1a4d91e6bb64ddabcc67239ca
SHA1156c47666dca8508c4bd002e3e55588241fed578
SHA25664c6f466c3092949dde76fbd0e19997151f1b5e142ad413214a4cee07ae1e48c
SHA5127a3e7e17fd83517850f5408291bdd40cc84d348991803ef31aae47658c33370b40f8d83c45803f48b2773e80e66c985ba8ed83d737189c308bc86e7739865776
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F:\info.htaFilesize
9KB
MD581efe4a1a4d91e6bb64ddabcc67239ca
SHA1156c47666dca8508c4bd002e3e55588241fed578
SHA25664c6f466c3092949dde76fbd0e19997151f1b5e142ad413214a4cee07ae1e48c
SHA5127a3e7e17fd83517850f5408291bdd40cc84d348991803ef31aae47658c33370b40f8d83c45803f48b2773e80e66c985ba8ed83d737189c308bc86e7739865776