Analysis
- max time kernel
123s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/07/2026, 06:50
Static task
static1
Behavioral task
behavioral1
Sample
f3c1508784a8783d81099ed498d527c0.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
f3c1508784a8783d81099ed498d527c0.exe
Resource
win11ltsc2024-20260706-en
General
- Target f3c1508784a8783d81099ed498d527c0.exe
- Size 1.6MB
- Sample260709-hmfa3aex3y
- SHA256 f51361ec07e2cc4833c58d706b6da8d4d4982ce8dd60ac89a78ca56c9e553680
- MD5 f3c1508784a8783d81099ed498d527c0
- SHA1 e3c1a54775ec27c4fcd66c047dc06573f9ec9d38
- SHA512 6a0adb8bcddf85d01f5644caf7b4aaf766daa3b22a97eb1977ce11af9375f5df84bde31fc1afeb8dd0dabc47f25d8a876aafc9f31e004bc370e2ad1a54368abb
- SSDEEP 24576:OJywYd9ywNiYG/LRjH3h4O9Mv0BeV+PJf7gY0cOAEINAlrkSuGVqubD/IahliVl1:OXYd1fOaO6uhf7NNu2
- TLSH T12E752393E905ED94D93D86BCA0278E5157B6BE3040584E5EB7A8F03B3F767423123E1A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthService.exe f3c1508784a8783d81099ed498d527c0.exe - Executes dropped EXE 1 IoCs
pid Process 3052 SecurityHealthService.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthService.exe" f3c1508784a8783d81099ed498d527c0.exe - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: explorer.exe File opened (read-only) \??\F: explorer.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2488 f3c1508784a8783d81099ed498d527c0.exe - Checks SCSI registry key(s) 3 TTPs 62 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_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\FriendlyName explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\UpperFilters explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\HardwareID explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Capabilities explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Capabilities explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Capabilities explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\ConfigFlags explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\UpperFilters explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\MuiCache StartMenuExperienceHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\MuiCache SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "56" SearchHost.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2626306573-1585762579-411806764-1000\{491267E9-901E-49CA-854E-E301F5218EB8} explorer.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "23" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2626306573-1585762579-411806764-1000\{D68ED551-0F67-4472-BAC6-A3922008A105} explorer.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "23" SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" StartMenuExperienceHost.exe Set value (data) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "23" SearchHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "56" SearchHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\microsoftwindows.client.cbs SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\client.cbs SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "56" SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" StartMenuExperienceHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DomStorageState SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2626306573-1585762579-411806764-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix StartMenuExperienceHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5248 schtasks.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2488 f3c1508784a8783d81099ed498d527c0.exe 2488 f3c1508784a8783d81099ed498d527c0.exe 2488 f3c1508784a8783d81099ed498d527c0.exe 2488 f3c1508784a8783d81099ed498d527c0.exe 2488 f3c1508784a8783d81099ed498d527c0.exe 2488 f3c1508784a8783d81099ed498d527c0.exe 5460 explorer.exe 5460 explorer.exe - Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe Token: SeShutdownPrivilege 5460 explorer.exe Token: SeCreatePagefilePrivilege 5460 explorer.exe - Suspicious use of FindShellTrayWindow 53 IoCs
pid Process 472 sihost.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe - Suspicious use of SendNotifyMessage 40 IoCs
pid Process 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe 5460 explorer.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3816 StartMenuExperienceHost.exe 2972 SearchHost.exe 5460 explorer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2488 wrote to memory of 5248 2488 f3c1508784a8783d81099ed498d527c0.exe 88 PID 472 wrote to memory of 5460 472 sihost.exe 99 - 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.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- 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\f3c1508784a8783d81099ed498d527c0.exe"C:\Users\Admin\AppData\Local\Temp\f3c1508784a8783d81099ed498d527c0.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /create /tn "MicrosoftEdgeUpdateTaskCore" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthService.exe" /sc daily /st 00:01 /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:5248
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthService.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthService.exe1⤵
- Executes dropped EXE
PID:3052
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:472 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:5460
-
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3816
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2972
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 599B
- SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
- MD5 658ab8c32d4cc5deb36ac5f63da4658b
- SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
- SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
- TLSH T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthService.exe
- Size 1.6MB
- SHA256 f51361ec07e2cc4833c58d706b6da8d4d4982ce8dd60ac89a78ca56c9e553680
- MD5 f3c1508784a8783d81099ed498d527c0
- SHA1 e3c1a54775ec27c4fcd66c047dc06573f9ec9d38
- SHA512 6a0adb8bcddf85d01f5644caf7b4aaf766daa3b22a97eb1977ce11af9375f5df84bde31fc1afeb8dd0dabc47f25d8a876aafc9f31e004bc370e2ad1a54368abb
- SSDEEP 24576:OJywYd9ywNiYG/LRjH3h4O9Mv0BeV+PJf7gY0cOAEINAlrkSuGVqubD/IahliVl1:OXYd1fOaO6uhf7NNu2
- TLSH T12E752393E905ED94D93D86BCA0278E5157B6BE3040584E5EB7A8F03B3F767423123E1A
- MD5 SHA1 SHA512 SSDEEP TLSH