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 01:47
Behavioral task
behavioral1
Sample
新建文件夹/fast.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
新建文件夹/fast.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
新建文件夹/svchost.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
新建文件夹/svchost.exe
Resource
win10v2004-20240704-en
General
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Target
新建文件夹/fast.exe
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Size
56KB
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MD5
9ad577d23f402be16acb2bdd9619aaf2
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SHA1
054e7451b8394d33bd59201653801fe1313a4841
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SHA256
0d990218e7ca3beff50d56a7cd3c6325c32e98413554e1b5614f101923706032
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SHA512
b1be8815efdf59bc5fc2d0602cc01ce123edaea5b803c1733a33fdaf95b1172bb39f8cb762eb07c6d943b3e12789a053feb9c14a50ec8eb82fa491a55a7658ce
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SSDEEP
1536:CNeRBl5PT/rx1mzwRMSTdLpJCMBrzQM5+N:CQRrmzwR5JVUN
Malware Config
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
https://pidgin.im/download/windows/</li>
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
pid Process 2036 bcdedit.exe 3596 bcdedit.exe 544 bcdedit.exe 4384 bcdedit.exe -
Renames multiple (514) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 3024 wbadmin.exe 4800 wbadmin.exe -
Modifies Windows Firewall 2 TTPs 2 IoCs
pid Process 640 netsh.exe 1300 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description 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
description 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[CCA719D7-3327].[[email protected]].Devos 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
description 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
description ioc Process File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility\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\Pictures\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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini fast.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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:\Users\Admin\3D Objects\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\Pictures\Camera Roll\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\Public\Desktop\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\Contacts\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\Local\Microsoft\Windows\WinX\Group2\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\Accessibility\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\Roaming\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 File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini fast.exe File opened for modification C:\Users\Admin\Videos\desktop.ini fast.exe File opened for modification C:\Program Files\desktop.ini fast.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini fast.exe File opened for modification C:\Users\Public\Libraries\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:\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\Recent\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\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\Burn\Burn2\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\Internet Explorer\Quick Launch\desktop.ini fast.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini fast.exe File opened for modification C:\Users\Public\Videos\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\StartUp\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\Searches\desktop.ini fast.exe File opened for modification C:\Users\Public\desktop.ini fast.exe File opened for modification C:\Users\Public\Documents\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\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\Pictures\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:\Program Files (x86)\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\Local\Microsoft\Windows\Burn\Burn\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\Downloads\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\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini fast.exe File opened for modification C:\Users\Public\Downloads\desktop.ini fast.exe File opened for modification C:\Users\Admin\Music\desktop.ini fast.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini fast.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\TimeCard.xltx fast.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.Workflow.Activities.dll fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-16_altform-unplated.png fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailLargeTile.scale-400.png fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms fast.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\PlatformCapabilities\WordCapabilities.json.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690.XSL fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-60_altform-unplated.png fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\themes\dark\example_icons2x.png.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarLargeTile.scale-150.png fast.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\uk-UA\MSFT_PackageManagement.strings.psd1.id[CCA719D7-3327].[[email protected]].Devos fast.exe File created C:\Program Files\7-Zip\Lang\sr-spl.txt.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Xaml.resources.dll fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ul-oob.xrm-ms fast.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-140.png.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\SmallTile.scale-200.png fast.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Functions\It.Tests.ps1 fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-180.png fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\cs-cz\ui-strings.js fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-20_altform-unplated.png fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\themes\dark\x.cur.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Intrinsics.dll fast.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\AppxSignature.p7x fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\virgo-new-folder.svg fast.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-black\AppPackageSmallTile.scale-100_contrast-black.png fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\find-text-2x.png.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\nb.pak fast.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RADIAL\THMBNAIL.PNG fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteMediumTile.scale-150.png fast.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageAppList.targetsize-16_contrast-white.png fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Input.Manipulations.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE fast.exe File created C:\Program Files\VideoLAN\VLC\plugins\demux\libes_plugin.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MediumTile.scale-125_contrast-white.png fast.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\api-ms-win-core-synch-l1-2-0.dll fast.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_sortedby_selected_18.svg.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pencht.dll fast.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\MEIPreload\manifest.json.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-20_contrast-white.png fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\task-handler\images\example_icons2x.png fast.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\cookie_exporter.exe.id[CCA719D7-3327].[[email protected]].Devos fast.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\salesforce.ini.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL058.XML fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\hi_contrast\core_icons__retina_hiContrast_bow.png fast.exe File created C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_th.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\sv-se\ui-strings.js fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsBase.resources.dll fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms fast.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-pl.xrm-ms fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationProvider.dll fast.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\themes\dark\arrow-left.gif fast.exe File opened for modification C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB fast.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.id[CCA719D7-3327].[[email protected]].Devos fast.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml fast.exe File created C:\Program Files\7-Zip\Lang\pt-br.txt.id[CCA719D7-3327].[[email protected]].Devos 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.
description 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.
description ioc Process 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 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 -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4648 vssadmin.exe 5080 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings fast.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe 3256 fast.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3256 fast.exe Token: SeBackupPrivilege 2792 vssvc.exe Token: SeRestorePrivilege 2792 vssvc.exe Token: SeAuditPrivilege 2792 vssvc.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: 36 1268 WMIC.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: 36 1268 WMIC.exe Token: SeBackupPrivilege 4988 wbengine.exe Token: SeRestorePrivilege 4988 wbengine.exe Token: SeSecurityPrivilege 4988 wbengine.exe Token: SeIncreaseQuotaPrivilege 4472 WMIC.exe Token: SeSecurityPrivilege 4472 WMIC.exe Token: SeTakeOwnershipPrivilege 4472 WMIC.exe Token: SeLoadDriverPrivilege 4472 WMIC.exe Token: SeSystemProfilePrivilege 4472 WMIC.exe Token: SeSystemtimePrivilege 4472 WMIC.exe Token: SeProfSingleProcessPrivilege 4472 WMIC.exe Token: SeIncBasePriorityPrivilege 4472 WMIC.exe Token: SeCreatePagefilePrivilege 4472 WMIC.exe Token: SeBackupPrivilege 4472 WMIC.exe Token: SeRestorePrivilege 4472 WMIC.exe Token: SeShutdownPrivilege 4472 WMIC.exe Token: SeDebugPrivilege 4472 WMIC.exe Token: SeSystemEnvironmentPrivilege 4472 WMIC.exe Token: SeRemoteShutdownPrivilege 4472 WMIC.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 3256 wrote to memory of 2948 3256 fast.exe 82 PID 3256 wrote to memory of 2948 3256 fast.exe 82 PID 3256 wrote to memory of 876 3256 fast.exe 83 PID 3256 wrote to memory of 876 3256 fast.exe 83 PID 2948 wrote to memory of 4648 2948 cmd.exe 87 PID 2948 wrote to memory of 4648 2948 cmd.exe 87 PID 876 wrote to memory of 640 876 cmd.exe 86 PID 876 wrote to memory of 640 876 cmd.exe 86 PID 876 wrote to memory of 1300 876 cmd.exe 90 PID 876 wrote to memory of 1300 876 cmd.exe 90 PID 2948 wrote to memory of 1268 2948 cmd.exe 91 PID 2948 wrote to memory of 1268 2948 cmd.exe 91 PID 2948 wrote to memory of 2036 2948 cmd.exe 93 PID 2948 wrote to memory of 2036 2948 cmd.exe 93 PID 2948 wrote to memory of 3596 2948 cmd.exe 94 PID 2948 wrote to memory of 3596 2948 cmd.exe 94 PID 2948 wrote to memory of 3024 2948 cmd.exe 95 PID 2948 wrote to memory of 3024 2948 cmd.exe 95 PID 3256 wrote to memory of 1396 3256 fast.exe 103 PID 3256 wrote to memory of 1396 3256 fast.exe 103 PID 3256 wrote to memory of 1396 3256 fast.exe 103 PID 3256 wrote to memory of 3008 3256 fast.exe 105 PID 3256 wrote to memory of 3008 3256 fast.exe 105 PID 3256 wrote to memory of 3008 3256 fast.exe 105 PID 3256 wrote to memory of 4176 3256 fast.exe 106 PID 3256 wrote to memory of 4176 3256 fast.exe 106 PID 3256 wrote to memory of 4176 3256 fast.exe 106 PID 3256 wrote to memory of 4812 3256 fast.exe 107 PID 3256 wrote to memory of 4812 3256 fast.exe 107 PID 3256 wrote to memory of 4812 3256 fast.exe 107 PID 3256 wrote to memory of 304 3256 fast.exe 108 PID 3256 wrote to memory of 304 3256 fast.exe 108 PID 304 wrote to memory of 5080 304 cmd.exe 110 PID 304 wrote to memory of 5080 304 cmd.exe 110 PID 304 wrote to memory of 4472 304 cmd.exe 111 PID 304 wrote to memory of 4472 304 cmd.exe 111 PID 304 wrote to memory of 544 304 cmd.exe 112 PID 304 wrote to memory of 544 304 cmd.exe 112 PID 304 wrote to memory of 4384 304 cmd.exe 113 PID 304 wrote to memory of 4384 304 cmd.exe 113 PID 304 wrote to memory of 4800 304 cmd.exe 114 PID 304 wrote to memory of 4800 304 cmd.exe 114 -
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\新建文件夹\fast.exe"C:\Users\Admin\AppData\Local\Temp\新建文件夹\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
PID:3256 -
C:\Users\Admin\AppData\Local\Temp\新建文件夹\fast.exe"C:\Users\Admin\AppData\Local\Temp\新建文件夹\fast.exe"2⤵PID:3752
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:4648
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:2036
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:3596
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
PID:3024
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:640
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1300
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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⤵PID:1396
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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:3008
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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:4176
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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:4812
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:304 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:5080
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4472
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:544
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:4384
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
PID:4800
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4988
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3236
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1248
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
1Replay Monitor
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Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.id[CCA719D7-3327].[[email protected]].Devos
Filesize3.6MB
MD508fed47bd3f58ac6145834a8d7a557d6
SHA19ea8770efa80fb5b92983564621088fabf652a53
SHA25632dd2b5b163d130acfa54971eeb2a1e0b28c6a7554eb03bec2a6bbea86286f93
SHA512a09858b9dd4c14f0abca69450328e0f2ee54025516e7c689fc5533aa67f33cebd0689cccbc615b236ec5bce622b20210ec37ec5b9ddf48943925727bbacefd72
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Filesize
6KB
MD5af3c16d7114bab76c9b5fa9acef2987c
SHA126531033fea6836d399949dab34cfd4e0ed0caf0
SHA25625be458e956c6566b81fda605473347a2a6af1d526ef258c8128141201e1c7a4
SHA512046c04779d7e6e51cd2f2c1ba2bd0d9ddea32203204168e6f91942af7a54ad4a553a0dc369e8dedf9ee6b2e4943fb7617b205649a823accdc41c6b5a8220ac57