xworm | c90bc86ba777e01ab51d248f0d2b297a4129a78fff765fcc2847d802776a2ec1

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Control Panel\International\Geo\Nation	Nucker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Control Panel\International\Geo\Nation	smss.exe.exe

Executes dropped EXE 7 IoCs

pid	Process
4724	smss.exe.exe
5336	s2cret.exe
3172	s2cret.exe
4784	dl4fbmku.vfo.exe
3332	smss.exe.exe
880	smss.exe.exe
2268	smss.exe.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs

Clear Windows Event Logs to hide the activity of an intrusion.

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx	svchost.exe

Loads dropped DLL 55 IoCs

pid	Process
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe
3172	s2cret.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\A:	svchost.exe
File opened (read-only)	\??\D:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wmiprvse.exe

ConfuserEx .NET packer 7 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral2/files/0x000d000000026a89-5.dat	ConfuserEx
behavioral2/memory/4724-15-0x00000000006B0000-0x000000000073E000-memory.dmp	ConfuserEx
behavioral2/memory/4724-16-0x0000000000F00000-0x0000000000F86000-memory.dmp	ConfuserEx
behavioral2/memory/3332-506-0x0000000000E70000-0x0000000000EFE000-memory.dmp	ConfuserEx
behavioral2/memory/3332-509-0x000000001BBC0000-0x000000001BC46000-memory.dmp	ConfuserEx
behavioral2/memory/880-751-0x0000000000C60000-0x0000000000CEE000-memory.dmp	ConfuserEx
behavioral2/memory/2268-775-0x00000000004D0000-0x000000000055E000-memory.dmp	ConfuserEx

Drops file in System32 directory 22 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF	svchost.exe
File opened for modification	C:\Windows\system32\Microsoft\Protect\S-1-5-18\User\615a685b-5f1e-44ea-a2e2-0deecb70cdbf	lsass.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419	svchost.exe
File opened for modification	C:\Windows\system32\Microsoft\Protect\S-1-5-18\User\Preferred	lsass.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Credentials\DFBE70A7E5CC19A398EBF1B96859CE5D	lsass.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral2/files/0x00080000000285a1-21.dat	pyinstaller

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4012	cmd.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mousocoreworker.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mousocoreworker.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	mousocoreworker.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	mousocoreworker.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property	mousocoreworker.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\DeviceLicenseUpdateFailureCount = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1789049684"	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "0018C018ADA48B17"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\ApplicationFlags = "1"	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02xtspsbkchykyzn\AppIdList	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceTicket = 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	mousocoreworker.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\RulesEndpoint = "https://nexusrules.officeapps.live.com/nexus/rules?Application=officeclicktorun.exe&Version=16.0.12527.20470&ClientId={22785DCE-26FD-4B79-95C0-79E7F86B9D45}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02nvjqqrcnfvjnhn	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02efgehoicextelz	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\ValidDeviceId	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "577889346,5804129,17110992,7202269,9179409,24262478,41484365,17110988,7153487,508368333,17962391,17962392,3462423,3702920,3700754,3965062,24262474,4297094,7153421,3462365,18716193,7153435,7202265,507286179,41816131,20502174,6308191,18407617,39125643,539756558,504928405,504928410,24262477,25036127,24262473,9179410,6104718,9179411,51475283,41185282,39389248,539756557,528570079"	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02kerxholvmvghyq\Provision Thursday, September 10, 2026 14:13:42 = "AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAW2haYR5f6kSi4g3uy3DNvwAAAAACAAAAAAAQZgAAAAEAACAAAABJQqSWPQN+oD8O7ieYav1yzJFg6e3ga/whcfWxtKYtlwAAAAAOgAAAAAIAACAAAABpdxky5vLwg6RpzTjFBr9+Z0boWKdhtQc7Z7hM0OxI4yAAAADyIY7rxrq6Na6OvPE2QRIOUrddBKUkBngUDunIdd+LKUAAAAArOPsgofv8jfkfte4bNgh8mttcW+vIZQ0I8Hh/BYdm4oGT7n3JZ2bTkp5O0HxhBAuAjH8GBWHl+dMC817p8c/i"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02efgehoicextelz	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\OFFICE\16.0\COMMON\CLIENTTELEMETRY\RULESMETADATA\OFFICECLICKTORUN.EXE\ULSMONITOR	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 50,1329 10,944 15,943 6,1329 15,1329 100,1329 6,943 10,943 15,944 6,940 50,941 15,941 10,941 6,942 15,942 10,942 6,944 100,944 10,944 50,940 6,940 100,940 10,940 15"	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02efgehoicextelz\AppIdList = "{AFDA72BF-3409-413A-B54E-2AB8D66A7826};"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}	mousocoreworker.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02uynxhrdqftlxjd\Provision Thursday, September 10, 2026 14:13:42 = "AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAW2haYR5f6kSi4g3uy3DNvwAAAAACAAAAAAAQZgAAAAEAACAAAACBHwBDMMZSg7L2ZLy6KvSpw+v3kcAvDuo7m+9YSNT10AAAAAAOgAAAAAIAACAAAAAWA1g55LquiAnrJSaCUzHGYk6fh3qGtdUB1h0xduuOGiAAAAB2kuP/QxwmryrqOU3kVnLmC02yp+w6eoNmR6hk+YweU0AAAACbcXYheRzTiUpKUhkmkvhK/7osH62fDLuK3wEG8qCmPrrRAw6d1HOWFnIMWlznAAQrzuVZmbdZ2K+XteK67v7s"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02uynxhrdqftlxjd	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02nvjqqrcnfvjnhn\Provision Thursday, September 10, 2026 14:13:42 = "AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAW2haYR5f6kSi4g3uy3DNvwAAAAACAAAAAAAQZgAAAAEAACAAAAANYL1MBqEYUeEkmdkra2J1ZZ+AhnA4+hUpL/T9deRc0AAAAAAOgAAAAAIAACAAAADlI/JL/UE9BRxCDgm1ONqbWsgUgTP499O9RvC2oUAWWiAAAABlRkrMsYWSzbW7gKaSHMe/08BJI4e0/dz3vqvUKyznMEAAAABuVheH1Lnss5E0azZ3uwOKOj2Ot5ngY8nXjNdwb4iXrzyN1WNcnJ1Xnrh2Wx2ekXslYY/1kLaIsgnSP5LbTogK"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\ValidDeviceId = "02efgehoicextelz"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\0018C018ADA48B17 = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3668	schtasks.exe
4716	SCHTASKS.exe
1944	SCHTASKS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2136	powershell.exe
2136	powershell.exe
3172	s2cret.exe
3172	s2cret.exe
3236	powershell.exe
3236	powershell.exe
5788	powershell.exe
5788	powershell.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe
4784	dl4fbmku.vfo.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3468	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	smss.exe.exe
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeIncreaseQuotaPrivilege	2136	powershell.exe
Token: SeSecurityPrivilege	2136	powershell.exe
Token: SeTakeOwnershipPrivilege	2136	powershell.exe
Token: SeLoadDriverPrivilege	2136	powershell.exe
Token: SeSystemProfilePrivilege	2136	powershell.exe
Token: SeSystemtimePrivilege	2136	powershell.exe
Token: SeProfSingleProcessPrivilege	2136	powershell.exe
Token: SeIncBasePriorityPrivilege	2136	powershell.exe
Token: SeCreatePagefilePrivilege	2136	powershell.exe
Token: SeBackupPrivilege	2136	powershell.exe
Token: SeRestorePrivilege	2136	powershell.exe
Token: SeShutdownPrivilege	2136	powershell.exe
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeSystemEnvironmentPrivilege	2136	powershell.exe
Token: SeRemoteShutdownPrivilege	2136	powershell.exe
Token: SeUndockPrivilege	2136	powershell.exe
Token: SeManageVolumePrivilege	2136	powershell.exe
Token: 33	2136	powershell.exe
Token: 34	2136	powershell.exe
Token: 35	2136	powershell.exe
Token: 36	2136	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeIncreaseQuotaPrivilege	3236	powershell.exe
Token: SeSecurityPrivilege	3236	powershell.exe
Token: SeTakeOwnershipPrivilege	3236	powershell.exe
Token: SeLoadDriverPrivilege	3236	powershell.exe
Token: SeSystemProfilePrivilege	3236	powershell.exe
Token: SeSystemtimePrivilege	3236	powershell.exe
Token: SeProfSingleProcessPrivilege	3236	powershell.exe
Token: SeIncBasePriorityPrivilege	3236	powershell.exe
Token: SeCreatePagefilePrivilege	3236	powershell.exe
Token: SeBackupPrivilege	3236	powershell.exe
Token: SeRestorePrivilege	3236	powershell.exe
Token: SeShutdownPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeSystemEnvironmentPrivilege	3236	powershell.exe
Token: SeRemoteShutdownPrivilege	3236	powershell.exe
Token: SeUndockPrivilege	3236	powershell.exe
Token: SeManageVolumePrivilege	3236	powershell.exe
Token: 33	3236	powershell.exe
Token: 34	3236	powershell.exe
Token: 35	3236	powershell.exe
Token: 36	3236	powershell.exe
Token: SeDebugPrivilege	5788	powershell.exe
Token: SeIncreaseQuotaPrivilege	5788	powershell.exe
Token: SeSecurityPrivilege	5788	powershell.exe
Token: SeTakeOwnershipPrivilege	5788	powershell.exe
Token: SeLoadDriverPrivilege	5788	powershell.exe
Token: SeSystemProfilePrivilege	5788	powershell.exe
Token: SeSystemtimePrivilege	5788	powershell.exe
Token: SeProfSingleProcessPrivilege	5788	powershell.exe
Token: SeIncBasePriorityPrivilege	5788	powershell.exe
Token: SeCreatePagefilePrivilege	5788	powershell.exe
Token: SeBackupPrivilege	5788	powershell.exe
Token: SeRestorePrivilege	5788	powershell.exe
Token: SeShutdownPrivilege	5788	powershell.exe
Token: SeDebugPrivilege	5788	powershell.exe
Token: SeSystemEnvironmentPrivilege	5788	powershell.exe
Token: SeRemoteShutdownPrivilege	5788	powershell.exe
Token: SeUndockPrivilege	5788	powershell.exe
Token: SeManageVolumePrivilege	5788	powershell.exe
Token: 33	5788	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2320	Conhost.exe
2472	Conhost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 4724	3348	Nucker.exe	83
PID 3348 wrote to memory of 5336	3348	Nucker.exe	84
PID 4724 wrote to memory of 2136	4724	smss.exe.exe	87
PID 5336 wrote to memory of 3172	5336	s2cret.exe	89
PID 4724 wrote to memory of 3236	4724	smss.exe.exe	91
PID 4724 wrote to memory of 5788	4724	smss.exe.exe	93
PID 4724 wrote to memory of 3668	4724	smss.exe.exe	95
PID 4724 wrote to memory of 4784	4724	smss.exe.exe	97
PID 4724 wrote to memory of 4716	4724	smss.exe.exe	98
PID 4784 wrote to memory of 616	4784	dl4fbmku.vfo.exe	5
PID 4784 wrote to memory of 672	4784	dl4fbmku.vfo.exe	7
PID 4784 wrote to memory of 872	4784	dl4fbmku.vfo.exe	11
PID 4784 wrote to memory of 1008	4784	dl4fbmku.vfo.exe	13
PID 4784 wrote to memory of 516	4784	dl4fbmku.vfo.exe	14
PID 4784 wrote to memory of 1004	4784	dl4fbmku.vfo.exe	15
PID 4784 wrote to memory of 1044	4784	dl4fbmku.vfo.exe	16
PID 4784 wrote to memory of 1052	4784	dl4fbmku.vfo.exe	17
PID 4784 wrote to memory of 1136	4784	dl4fbmku.vfo.exe	18
PID 4784 wrote to memory of 1152	4784	dl4fbmku.vfo.exe	19
PID 4784 wrote to memory of 1164	4784	dl4fbmku.vfo.exe	20
PID 4784 wrote to memory of 1184	4784	dl4fbmku.vfo.exe	21
PID 4784 wrote to memory of 1296	4784	dl4fbmku.vfo.exe	22
PID 4784 wrote to memory of 1492	4784	dl4fbmku.vfo.exe	24
PID 4784 wrote to memory of 1504	4784	dl4fbmku.vfo.exe	25
PID 4784 wrote to memory of 1512	4784	dl4fbmku.vfo.exe	26
PID 4784 wrote to memory of 1540	4784	dl4fbmku.vfo.exe	27
PID 4784 wrote to memory of 1720	4784	dl4fbmku.vfo.exe	28
PID 4784 wrote to memory of 1740	4784	dl4fbmku.vfo.exe	29
PID 4784 wrote to memory of 1756	4784	dl4fbmku.vfo.exe	30
PID 4784 wrote to memory of 1776	4784	dl4fbmku.vfo.exe	31
PID 4784 wrote to memory of 1864	4784	dl4fbmku.vfo.exe	32
PID 4784 wrote to memory of 1960	4784	dl4fbmku.vfo.exe	33
PID 4784 wrote to memory of 2008	4784	dl4fbmku.vfo.exe	34
PID 4784 wrote to memory of 1356	4784	dl4fbmku.vfo.exe	35
PID 4784 wrote to memory of 1440	4784	dl4fbmku.vfo.exe	36
PID 4784 wrote to memory of 1624	4784	dl4fbmku.vfo.exe	37
PID 4784 wrote to memory of 2068	4784	dl4fbmku.vfo.exe	38
PID 4784 wrote to memory of 2100	4784	dl4fbmku.vfo.exe	39
PID 4784 wrote to memory of 2220	4784	dl4fbmku.vfo.exe	40
PID 4784 wrote to memory of 2344	4784	dl4fbmku.vfo.exe	42
PID 4784 wrote to memory of 2464	4784	dl4fbmku.vfo.exe	43
PID 4784 wrote to memory of 2564	4784	dl4fbmku.vfo.exe	44
PID 4784 wrote to memory of 2572	4784	dl4fbmku.vfo.exe	45
PID 4784 wrote to memory of 2656	4784	dl4fbmku.vfo.exe	46
PID 4784 wrote to memory of 2668	4784	dl4fbmku.vfo.exe	47
PID 4784 wrote to memory of 2708	4784	dl4fbmku.vfo.exe	48
PID 4784 wrote to memory of 2724	4784	dl4fbmku.vfo.exe	49
PID 4784 wrote to memory of 2972	4784	dl4fbmku.vfo.exe	51
PID 4784 wrote to memory of 3152	4784	dl4fbmku.vfo.exe	52
PID 4784 wrote to memory of 3164	4784	dl4fbmku.vfo.exe	53
PID 4784 wrote to memory of 3228	4784	dl4fbmku.vfo.exe	54
PID 4784 wrote to memory of 3268	4784	dl4fbmku.vfo.exe	55
PID 4784 wrote to memory of 3392	4784	dl4fbmku.vfo.exe	56
PID 4784 wrote to memory of 3468	4784	dl4fbmku.vfo.exe	57
PID 4784 wrote to memory of 3616	4784	dl4fbmku.vfo.exe	58
PID 4784 wrote to memory of 3888	4784	dl4fbmku.vfo.exe	60
PID 4784 wrote to memory of 4072	4784	dl4fbmku.vfo.exe	62
PID 4784 wrote to memory of 1196	4784	dl4fbmku.vfo.exe	63
PID 4784 wrote to memory of 5092	4784	dl4fbmku.vfo.exe	65
PID 4784 wrote to memory of 6040	4784	dl4fbmku.vfo.exe	67
PID 4784 wrote to memory of 4804	4784	dl4fbmku.vfo.exe	69
PID 4784 wrote to memory of 952	4784	dl4fbmku.vfo.exe	70
PID 4784 wrote to memory of 1580	4784	dl4fbmku.vfo.exe	71
PID 4784 wrote to memory of 3896	4784	dl4fbmku.vfo.exe	72

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.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1136

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Drops file in System32 directory
PID:672

C:\Windows\System32\WUDFHost.exe
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-24e4efca-c215-4a73-8683-d028c17476fb -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-95cd565a-1f32-4a0c-864c-436d4bb53bed -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-dc127e30-81ab-4164-a0d3-3d8f9bba938b -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-a20e2bad-8745-4046-add6-9458a14a1de6 -LifetimeId:f9a328d5-0c83-4261-8e08-6227a1042e80 -DeviceGroupId:WudfDefaultDevicePool -HostArg:0
1⤵
PID:872

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:1008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:516

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1004

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
1⤵
PID:1164

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1184

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1296

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1504
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3228
- C:\ProgramData\smss.exe.exe
  "C:\ProgramData\smss.exe.exe"
  2⤵
  - Executes dropped EXE
  PID:880
- C:\ProgramData\smss.exe.exe
  "C:\ProgramData\smss.exe.exe"
  2⤵
  - Executes dropped EXE
  PID:2268

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1512

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1720

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1756
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1864

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1960

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:2008

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1356

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1624

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:2068

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:2100

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2220

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2344

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2464

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2564

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2656

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
- Enumerates connected drives
PID:2668

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2724

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2972

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3164

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3268

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3392

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:3468
- C:\Users\Admin\AppData\Local\Temp\Nucker.exe
  "C:\Users\Admin\AppData\Local\Temp\Nucker.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Users\Admin\AppData\Roaming\smss.exe.exe
    "C:\Users\Admin\AppData\Roaming\smss.exe.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'smss.exe.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2136
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\smss.exe.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3236
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\smss.exe.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5788
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "smss.exe" /tr "C:\ProgramData\smss.exe.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3668
  - - C:\Users\Admin\AppData\Local\Temp\dl4fbmku.vfo.exe
      "C:\Users\Admin\AppData\Local\Temp\dl4fbmku.vfo.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4784
  - - C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "Masonsmss.exe.exe" /tr "'C:\Users\Admin\AppData\Roaming\smss.exe.exe'" /sc onlogon /rl HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4716
  - - C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "Masonsmss.exe.exe" /tr "'C:\Users\Admin\AppData\Roaming\smss.exe.exe'" /sc onlogon /rl HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1944
    - - C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        5⤵
        
        PID:4204
- - C:\Users\Admin\AppData\Roaming\s2cret.exe
    "C:\Users\Admin\AppData\Roaming\s2cret.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:5336
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:3660
  - - C:\Users\Admin\AppData\Roaming\s2cret.exe
      "C:\Users\Admin\AppData\Roaming\s2cret.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      PID:3172
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c cls
        5⤵
        Executes a command shell one-liner
        
        PID:4012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3616

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3888

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4072

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:5092

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:6040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4804

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:952

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:1580

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:3896

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:5068

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:4856

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:5148

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3112

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
1⤵
PID:6032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:5648

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:2232

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
- Suspicious use of SetWindowsHookEx
PID:2472

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
- Suspicious use of SetWindowsHookEx
PID:2320

C:\ProgramData\smss.exe.exe
C:\ProgramData\smss.exe.exe
1⤵
- Executes dropped EXE
PID:3332

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Enumerates system info in registry
PID:3556

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 3da34d9bf3053caa9c9db75bfa4b42c4 DOAbKwa5PEmKtH9kRJyT5Q.0.1.0.0.0
1⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:4868
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:3916

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
PID:456

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:2096

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
- Checks processor information in registry
PID:3664

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:5264

C:\Windows\system32\UsoClient.exe
C:\Windows\system32\usoclient.exe
1⤵
PID:4916

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:5868

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery