milleniumrat | cab5b50e25d5e7a038c4d0b5b5dc229a75db8e00d08a8549c9b42be89fe2b1c4

System Information Discovery

Processes:

wmiprvse.exe

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 10 IoCs

Processes:

s.exesvchost.exemain.exesetup.exeChainComServermonitor.exeUpdate.exetaskhostw.exeupdater.exesvchost64.exeChainComServermonitor.exe

pid	process
592	s.exe
4100	svchost.exe
5084	main.exe
2136	setup.exe
4620	ChainComServermonitor.exe
1232	Update.exe
436	taskhostw.exe
1304	updater.exe
2616	svchost64.exe
4336	ChainComServermonitor.exe

Loads dropped DLL 4 IoCs

Processes:

hacn.exemain.exeUpdate.exe

pid process

2076 hacn.exe
2076 hacn.exe
5084 main.exe
1232 Update.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2076	hacn.exe
2076	hacn.exe
5084	main.exe
1232	Update.exe

Adds Run key to start application 2 TTPs 11 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ChainComServermonitor.exereg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\spoolsv.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ChainComServermonitor = "\"C:\\Program Files\\Windows NT\\Accessories\\ChainComServermonitor.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\ja-JP\\fontdrvhost.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Recovery\\WindowsRE\\services.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\spoolsv.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Recovery\\WindowsRE\\services.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChainComServermonitor = "\"C:\\Program Files\\Windows NT\\Accessories\\ChainComServermonitor.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\ja-JP\\fontdrvhost.exe\""	ChainComServermonitor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

4 raw.githubusercontent.com
5 raw.githubusercontent.com
8 raw.githubusercontent.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com
8	raw.githubusercontent.com

flow	ioc
1	ip-api.com

Drops file in System32 directory 10 IoCs

Processes:

powershell.exeOfficeClickToRun.exesvchost.execsc.exesvchost.exe

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\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File created	\??\c:\Windows\System32\CSC1999AA3EFFCE4213A1D8FBA6D05C5E94.TMP	csc.exe
File created	\??\c:\Windows\System32\iv1hm7.exe	csc.exe
File opened for modification	C:\Windows\System32\Tasks\GoogleUpdateTaskMachineQC	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\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A	OfficeClickToRun.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs
discovery

Process Discovery
T1057

Processes:

tasklist.exe

pid process

4952 tasklist.exe

pid	process
4952	tasklist.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

setup.exeupdater.exe

description	pid	process	target process
PID 2136 set thread context of 2276	2136	setup.exe	dialer.exe
PID 1304 set thread context of 1608	1304	updater.exe	dialer.exe
PID 1304 set thread context of 168	1304	updater.exe	dialer.exe
PID 1304 set thread context of 1568	1304	updater.exe	dialer.exe

Drops file in Program Files directory 5 IoCs

Processes:

ChainComServermonitor.exesetup.exe

description	ioc	process
File created	C:\Program Files\Internet Explorer\ja-JP\spoolsv.exe	ChainComServermonitor.exe
File created	C:\Program Files\Internet Explorer\ja-JP\f3b6ecef712a24	ChainComServermonitor.exe
File created	C:\Program Files\Windows NT\Accessories\ChainComServermonitor.exe	ChainComServermonitor.exe
File created	C:\Program Files\Windows NT\Accessories\41e7cce6a71a71	ChainComServermonitor.exe
File created	C:\Program Files\Google\Chrome\updater.exe	setup.exe

Drops file in Windows directory 2 IoCs

Processes:

ChainComServermonitor.exe

description	ioc	process
File created	C:\Windows\ja-JP\fontdrvhost.exe	ChainComServermonitor.exe
File created	C:\Windows\ja-JP\5b884080fd4f94	ChainComServermonitor.exe

Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exe

pid process

2900 sc.exe
1624 sc.exe
1440 sc.exe
2044 sc.exe
4012 sc.exe
2192 sc.exe
4928 sc.exe
4044 sc.exe
3864 sc.exe
2560 sc.exe
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2900	sc.exe
1624	sc.exe
1440	sc.exe
2044	sc.exe
4012	sc.exe
2192	sc.exe
4928	sc.exe
4044	sc.exe
3864	sc.exe
2560	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

discovery

System Language Discovery

T1614.001

Processes:

WScript.execmd.exesvchost64.exeWScript.execmd.exes.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

PING.EXE

pid process

3572 PING.EXE

pid	process
3572	PING.EXE

Checks SCSI registry key(s) 3 TTPs 18 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

wmiprvse.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\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\Mfg	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Service	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\CompatibleIDs	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\DeviceDesc	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	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 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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\DeviceDesc	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000\LogConf	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_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Mfg	wmiprvse.exe

Checks processor information in registry 2 TTPs 8 IoCs

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

Query Registry

System Information Discovery

Processes:

wmiprvse.exeUpdate.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

5024 timeout.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

wmiprvse.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier wmiprvse.exe

pid	process
5024	timeout.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	wmiprvse.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

svchost.exepowershell.exeOfficeClickToRun.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	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	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.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\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Thu, 15 Aug 2024 12:57:13 GMT"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "5804129,7202269,17110992,41484365,39965824,7153487,17110988,508368333,17962391,17962392,3462423,3702920,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\1a\52C64B7E	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1723726631"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.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\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe

Modifies registry class 3 IoCs

Processes:

svchost.exeChainComServermonitor.exesvchost64.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000_Classes\Local Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000_Classes\Local Settings	ChainComServermonitor.exe
Key created	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000_Classes\Local Settings	svchost64.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

928 reg.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3572 PING.EXE

pid	process
928	reg.exe

pid	process
3572	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 17 IoCs

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

persistence execution

Scheduled Task

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
3100	schtasks.exe
4820	schtasks.exe
4512	schtasks.exe
2448	schtasks.exe
4920	schtasks.exe
4628	schtasks.exe
920	schtasks.exe
3512	schtasks.exe
4228	schtasks.exe
2896	schtasks.exe
4136	schtasks.exe
4416	schtasks.exe
1460	schtasks.exe
872	schtasks.exe
1980	schtasks.exe
4880	schtasks.exe
4056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

main.exeChainComServermonitor.exe

pid	process
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
5084	main.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe
4620	ChainComServermonitor.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

main.exeChainComServermonitor.exetasklist.exeUpdate.exetaskhostw.exepowershell.exedialer.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	5084	main.exe
Token: SeDebugPrivilege	4620	ChainComServermonitor.exe
Token: SeDebugPrivilege	4952	tasklist.exe
Token: SeDebugPrivilege	1232	Update.exe
Token: SeDebugPrivilege	436	taskhostw.exe
Token: SeDebugPrivilege	1324	powershell.exe
Token: SeIncreaseQuotaPrivilege	1324	powershell.exe
Token: SeSecurityPrivilege	1324	powershell.exe
Token: SeTakeOwnershipPrivilege	1324	powershell.exe
Token: SeLoadDriverPrivilege	1324	powershell.exe
Token: SeSystemProfilePrivilege	1324	powershell.exe
Token: SeSystemtimePrivilege	1324	powershell.exe
Token: SeProfSingleProcessPrivilege	1324	powershell.exe
Token: SeIncBasePriorityPrivilege	1324	powershell.exe
Token: SeCreatePagefilePrivilege	1324	powershell.exe
Token: SeBackupPrivilege	1324	powershell.exe
Token: SeRestorePrivilege	1324	powershell.exe
Token: SeShutdownPrivilege	1324	powershell.exe
Token: SeDebugPrivilege	1324	powershell.exe
Token: SeSystemEnvironmentPrivilege	1324	powershell.exe
Token: SeRemoteShutdownPrivilege	1324	powershell.exe
Token: SeUndockPrivilege	1324	powershell.exe
Token: SeManageVolumePrivilege	1324	powershell.exe
Token: 33	1324	powershell.exe
Token: 34	1324	powershell.exe
Token: 35	1324	powershell.exe
Token: 36	1324	powershell.exe
Token: SeDebugPrivilege	2276	dialer.exe
Token: SeAssignPrimaryTokenPrivilege	2488	svchost.exe
Token: SeIncreaseQuotaPrivilege	2488	svchost.exe
Token: SeSecurityPrivilege	2488	svchost.exe
Token: SeTakeOwnershipPrivilege	2488	svchost.exe
Token: SeLoadDriverPrivilege	2488	svchost.exe
Token: SeSystemtimePrivilege	2488	svchost.exe
Token: SeBackupPrivilege	2488	svchost.exe
Token: SeRestorePrivilege	2488	svchost.exe
Token: SeShutdownPrivilege	2488	svchost.exe
Token: SeSystemEnvironmentPrivilege	2488	svchost.exe
Token: SeUndockPrivilege	2488	svchost.exe
Token: SeManageVolumePrivilege	2488	svchost.exe
Token: SeAuditPrivilege	2228	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2488	svchost.exe
Token: SeIncreaseQuotaPrivilege	2488	svchost.exe
Token: SeSecurityPrivilege	2488	svchost.exe
Token: SeTakeOwnershipPrivilege	2488	svchost.exe
Token: SeLoadDriverPrivilege	2488	svchost.exe
Token: SeSystemtimePrivilege	2488	svchost.exe
Token: SeBackupPrivilege	2488	svchost.exe
Token: SeRestorePrivilege	2488	svchost.exe
Token: SeShutdownPrivilege	2488	svchost.exe
Token: SeSystemEnvironmentPrivilege	2488	svchost.exe
Token: SeUndockPrivilege	2488	svchost.exe
Token: SeManageVolumePrivilege	2488	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2488	svchost.exe
Token: SeIncreaseQuotaPrivilege	2488	svchost.exe
Token: SeSecurityPrivilege	2488	svchost.exe
Token: SeTakeOwnershipPrivilege	2488	svchost.exe
Token: SeLoadDriverPrivilege	2488	svchost.exe
Token: SeSystemtimePrivilege	2488	svchost.exe
Token: SeBackupPrivilege	2488	svchost.exe
Token: SeRestorePrivilege	2488	svchost.exe
Token: SeShutdownPrivilege	2488	svchost.exe
Token: SeSystemEnvironmentPrivilege	2488	svchost.exe
Token: SeUndockPrivilege	2488	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Update.exe

pid process

1232 Update.exe

pid	process
1232	Update.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

hacn.exehacn.execmd.exes.exesvchost.exeWScript.execmd.exeChainComServermonitor.execsc.execmd.exemain.execmd.execmd.exesetup.exedialer.exe

description	pid	process	target process
PID 1004 wrote to memory of 2076	1004	hacn.exe	hacn.exe
PID 1004 wrote to memory of 2076	1004	hacn.exe	hacn.exe
PID 2076 wrote to memory of 4328	2076	hacn.exe	cmd.exe
PID 2076 wrote to memory of 4328	2076	hacn.exe	cmd.exe
PID 4328 wrote to memory of 592	4328	cmd.exe	s.exe
PID 4328 wrote to memory of 592	4328	cmd.exe	s.exe
PID 4328 wrote to memory of 592	4328	cmd.exe	s.exe
PID 592 wrote to memory of 4100	592	s.exe	svchost.exe
PID 592 wrote to memory of 4100	592	s.exe	svchost.exe
PID 592 wrote to memory of 4100	592	s.exe	svchost.exe
PID 592 wrote to memory of 5084	592	s.exe	main.exe
PID 592 wrote to memory of 5084	592	s.exe	main.exe
PID 592 wrote to memory of 2136	592	s.exe	setup.exe
PID 592 wrote to memory of 2136	592	s.exe	setup.exe
PID 4100 wrote to memory of 1504	4100	svchost.exe	WScript.exe
PID 4100 wrote to memory of 1504	4100	svchost.exe	WScript.exe
PID 4100 wrote to memory of 1504	4100	svchost.exe	WScript.exe
PID 1504 wrote to memory of 960	1504	WScript.exe	cmd.exe
PID 1504 wrote to memory of 960	1504	WScript.exe	cmd.exe
PID 1504 wrote to memory of 960	1504	WScript.exe	cmd.exe
PID 960 wrote to memory of 4620	960	cmd.exe	ChainComServermonitor.exe
PID 960 wrote to memory of 4620	960	cmd.exe	ChainComServermonitor.exe
PID 4620 wrote to memory of 2628	4620	ChainComServermonitor.exe	csc.exe
PID 4620 wrote to memory of 2628	4620	ChainComServermonitor.exe	csc.exe
PID 2628 wrote to memory of 4340	2628	csc.exe	cvtres.exe
PID 2628 wrote to memory of 4340	2628	csc.exe	cvtres.exe
PID 4620 wrote to memory of 4256	4620	ChainComServermonitor.exe	cmd.exe
PID 4620 wrote to memory of 4256	4620	ChainComServermonitor.exe	cmd.exe
PID 4256 wrote to memory of 3624	4256	cmd.exe	chcp.com
PID 4256 wrote to memory of 3624	4256	cmd.exe	chcp.com
PID 4256 wrote to memory of 3572	4256	cmd.exe	PING.EXE
PID 4256 wrote to memory of 3572	4256	cmd.exe	PING.EXE
PID 5084 wrote to memory of 1408	5084	main.exe	cmd.exe
PID 5084 wrote to memory of 1408	5084	main.exe	cmd.exe
PID 1408 wrote to memory of 4952	1408	cmd.exe	tasklist.exe
PID 1408 wrote to memory of 4952	1408	cmd.exe	tasklist.exe
PID 1408 wrote to memory of 4816	1408	cmd.exe	find.exe
PID 1408 wrote to memory of 4816	1408	cmd.exe	find.exe
PID 1408 wrote to memory of 5024	1408	cmd.exe	timeout.exe
PID 1408 wrote to memory of 5024	1408	cmd.exe	timeout.exe
PID 1408 wrote to memory of 1232	1408	cmd.exe	Update.exe
PID 1408 wrote to memory of 1232	1408	cmd.exe	Update.exe
PID 4256 wrote to memory of 436	4256	cmd.exe	taskhostw.exe
PID 4256 wrote to memory of 436	4256	cmd.exe	taskhostw.exe
PID 4632 wrote to memory of 4044	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 4044	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 3864	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 3864	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 1440	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 1440	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 2560	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 2560	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 2044	4632	cmd.exe	sc.exe
PID 4632 wrote to memory of 2044	4632	cmd.exe	sc.exe
PID 2136 wrote to memory of 2276	2136	setup.exe	dialer.exe
PID 2276 wrote to memory of 584	2276	dialer.exe	winlogon.exe
PID 2276 wrote to memory of 636	2276	dialer.exe	lsass.exe
PID 2276 wrote to memory of 724	2276	dialer.exe	svchost.exe
PID 2276 wrote to memory of 908	2276	dialer.exe	svchost.exe
PID 2276 wrote to memory of 992	2276	dialer.exe	dwm.exe
PID 2276 wrote to memory of 1016	2276	dialer.exe	svchost.exe
PID 2276 wrote to memory of 60	2276	dialer.exe	svchost.exe
PID 2276 wrote to memory of 560	2276	dialer.exe	svchost.exe
PID 2276 wrote to memory of 824	2276	dialer.exe	svchost.exe

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:584
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:992

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:636

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k dcomlaunch -s PlugPlay
1⤵
PID:724

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k dcomlaunch -s LSM
1⤵
PID:908

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
1⤵
PID:1016

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s DsmSvc
1⤵
PID:60

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s lmhosts
1⤵
PID:560

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NcbService
1⤵
PID:824

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s EventLog
1⤵
PID:1084

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s Schedule
1⤵
- Drops file in System32 directory
PID:1100
- c:\windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3056
- C:\Program Files\Google\Chrome\updater.exe
  "C:\Program Files\Google\Chrome\updater.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1304

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservice -s nsi
1⤵
PID:1180

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
1⤵
PID:1248

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservice -s EventSystem
1⤵
PID:1260

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s Themes
1⤵
PID:1276

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s Dhcp
1⤵
PID:1388

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s SENS
1⤵
PID:1400

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s UserManager
1⤵
PID:1448
- c:\windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2984

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s AudioEndpointBuilder
1⤵
PID:1492

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservice -s NlaSvc
1⤵
PID:1536

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservice -s Dnscache
1⤵
PID:1580

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:1660

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservice -s netprofm
1⤵
PID:1732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:1780

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:1796

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
1⤵
PID:1856

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k appmodel -s StateRepository
1⤵
PID:1876

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:1948

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservice -s LanmanWorkstation
1⤵
PID:2032

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2228

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservicenetworkrestricted -s PolicyAgent
1⤵
PID:2248

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
1⤵
PID:2256

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservice -s CryptSvc
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2324

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2412

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
1⤵
PID:2456

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s TrkWks
1⤵
PID:2472

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2488

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s WpnService
1⤵
PID:2508

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s Browser
1⤵
PID:2592

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2968

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2976

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s TokenBroker
1⤵
PID:2812

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3292
- C:\Users\Admin\AppData\Local\Temp\env\Scripts\dist\hacn.exe
  "C:\Users\Admin\AppData\Local\Temp\env\Scripts\dist\hacn.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Users\Admin\AppData\Local\Temp\env\Scripts\dist\hacn.exe
    "C:\Users\Admin\AppData\Local\Temp\env\Scripts\dist\hacn.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2076
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Local\Temp\_MEI10042\s.exe -pbeznogym
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4328
    - - C:\Users\Admin\AppData\Local\Temp\_MEI10042\s.exe
        
        C:\Users\Admin\AppData\Local\Temp\_MEI10042\s.exe -pbeznogym
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:592
      - C:\ProgramData\svchost.exe
        
        "C:\ProgramData\svchost.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:4100
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\pFG3Duil1NAbFHoInFFIi7JfPHXMZXRvb98S0ewJA0VkW.vbe"
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1504
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\oGgyulsi03j6EO3sjCC.bat" "
        8⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:960
        
        C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\ChainComServermonitor.exe
        
        "C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor/ChainComServermonitor.exe"
        9⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Program Files directory
        Drops file in Windows directory
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4620
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jduyfuvr\jduyfuvr.cmdline"
        10⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2628
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES80C9.tmp" "c:\Windows\System32\CSC1999AA3EFFCE4213A1D8FBA6D05C5E94.TMP"
        11⤵
        
        PID:4340
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\KKuDTAgRXN.bat"
        10⤵
        Suspicious use of WriteProcessMemory
        
        PID:4256
        
        C:\Windows\system32\chcp.com
        
        chcp 65001
        11⤵
        
        PID:3624
        
        C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        11⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:3572
        
        C:\Recovery\WindowsRE\taskhostw.exe
        
        "C:\Recovery\WindowsRE\taskhostw.exe"
        11⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:436
      - C:\ProgramData\main.exe
        
        "C:\ProgramData\main.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:5084
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp89C1.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp89C1.tmp.bat
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1408
        
        C:\Windows\system32\tasklist.exe
        
        Tasklist /fi "PID eq 5084"
        8⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:4952
        
        C:\Windows\system32\find.exe
        
        find ":"
        8⤵
        
        PID:4816
        
        C:\Windows\system32\timeout.exe
        
        Timeout /T 1 /Nobreak
        8⤵
        Delays execution with timeout.exe
        
        PID:5024
        
        C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
        
        "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"
        8⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1232
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
        9⤵
        
        PID:3344
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        10⤵
        
        PID:5084
        
        C:\Windows\system32\reg.exe
        
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
        10⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:928
        
        C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\svchost64.exe
        
        "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\svchost64.exe"
        9⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Modifies registry class
        
        PID:2616
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\pFG3Duil1NAbFHoInFFIi7JfPHXMZXRvb98S0ewJA0VkW.vbe"
        10⤵
        System Location Discovery: System Language Discovery
        
        PID:4928
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\oGgyulsi03j6EO3sjCC.bat" "
        11⤵
        System Location Discovery: System Language Discovery
        
        PID:3728
        
        C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        12⤵
        
        PID:224
        
        C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor\ChainComServermonitor.exe
        
        "C:\Users\Admin\AppData\Local\Temp\msAgentSavesmonitor/ChainComServermonitor.exe"
        12⤵
        Executes dropped EXE
        
        PID:4336
      - C:\ProgramData\setup.exe
        
        "C:\ProgramData\setup.exe"
        6⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Drops file in Program Files directory
        Suspicious use of WriteProcessMemory
        
        PID:2136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1324
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4632
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:4044
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:3864
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:1440
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:2560
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:2044
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2276
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /delete /f /tn "GoogleUpdateTaskMachineQC"
  2⤵
  PID:4340
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /create /f /ru "System" /tn "GoogleUpdateTaskMachineQC" /xml "C:\Users\Admin\AppData\Local\Temp\yntnomxcupkb.xml"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4136
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:1408
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC"
  2⤵
  PID:2684
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:820
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  PID:192
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4228
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
  2⤵
  PID:3076
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:2636
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:4012
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:2192
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:4928
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:2900
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:1624
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  PID:1608
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /create /f /ru "System" /tn "GoogleUpdateTaskMachineQC" /xml "C:\Windows\TEMP\yntnomxcupkb.xml"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4056
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  PID:168
- C:\Windows\System32\dialer.exe
  C:\Windows\System32\dialer.exe
  2⤵
  PID:1568

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4088

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservice -s CDPSvc
1⤵
PID:4696

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
1⤵
PID:4412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:4164

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:2548

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s wlidsvc
1⤵
PID:4156

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4684

C:\Windows\system32\ApplicationFrameHost.exe
C:\Windows\system32\ApplicationFrameHost.exe -Embedding
1⤵
PID:2060

C:\Windows\System32\InstallAgent.exe
C:\Windows\System32\InstallAgent.exe -Embedding
1⤵
PID:4360

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
1⤵
PID:4868

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s PcaSvc
1⤵
PID:736

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
PID:3576
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:2448
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4920
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4628
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4416
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:920
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:1460
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\ja-JP\spoolsv.exe'" /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:3512
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\spoolsv.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:872
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Internet Explorer\ja-JP\spoolsv.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:1980
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "ChainComServermonitorC" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows NT\Accessories\ChainComServermonitor.exe'" /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:3100
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "ChainComServermonitor" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\ChainComServermonitor.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4880
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "ChainComServermonitorC" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows NT\Accessories\ChainComServermonitor.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4820
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\ja-JP\fontdrvhost.exe'" /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4228
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\ja-JP\fontdrvhost.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:4512
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Windows\ja-JP\fontdrvhost.exe'" /rl HIGHEST /f
  2⤵
  - Process spawned unexpected child process
  - Scheduled Task/Job: Scheduled Task
  PID:2896

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:3212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

Remote System Discovery

T1018

System Information Discovery