189e73cd52a34bf959c5d6de6dfda268f1bde4ec2473ff5d77cfe128d2dc2c09

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	CH341PAR.exe

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	CH341PAR.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	CH341PAR.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\nhnini.sys	CH341PAR.exe
File created	C:\Windows\SysWOW64\drivers\nhnini.sys	CH341PAR.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	CH341PAR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	CH341PAR.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	CH341PAR.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\M:	CH341PAR.exe
File opened (read-only)	\??\P:	CH341PAR.exe
File opened (read-only)	\??\S:	CH341PAR.exe
File opened (read-only)	\??\X:	CH341PAR.exe
File opened (read-only)	\??\Y:	CH341PAR.exe
File opened (read-only)	\??\L:	CH341PAR.exe
File opened (read-only)	\??\N:	CH341PAR.exe
File opened (read-only)	\??\O:	CH341PAR.exe
File opened (read-only)	\??\R:	CH341PAR.exe
File opened (read-only)	\??\H:	CH341PAR.exe
File opened (read-only)	\??\J:	CH341PAR.exe
File opened (read-only)	\??\K:	CH341PAR.exe
File opened (read-only)	\??\T:	CH341PAR.exe
File opened (read-only)	\??\V:	CH341PAR.exe
File opened (read-only)	\??\D:	CH341PAR.exe
File opened (read-only)	\??\G:	CH341PAR.exe
File opened (read-only)	\??\Q:	CH341PAR.exe
File opened (read-only)	\??\U:	CH341PAR.exe
File opened (read-only)	\??\W:	CH341PAR.exe
File opened (read-only)	\??\Z:	CH341PAR.exe
File opened (read-only)	\??\I:	CH341PAR.exe

UPX packed file 54 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral20/memory/5052-1-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-3-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-9-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-6-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-14-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-15-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-16-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-12-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-17-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-18-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-10-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-19-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-5-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-24-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-20-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-21-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-25-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-27-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-28-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-29-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-32-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-33-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-34-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-36-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-38-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-39-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-40-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-41-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-45-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-46-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-43-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-47-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-48-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-49-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-51-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-52-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-53-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-55-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-59-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-61-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-62-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-63-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-65-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-67-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-69-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-70-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-71-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-73-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-74-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-83-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-84-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-85-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-86-0x0000000002620000-0x00000000036E4000-memory.dmp	upx
behavioral20/memory/5052-87-0x0000000002620000-0x00000000036E4000-memory.dmp	upx

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	CH341PAR.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	CH341PAR.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	CH341PAR.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	CH341PAR.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	CH341PAR.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	CH341PAR.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\e593510	CH341PAR.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CH341PAR.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe
5052	CH341PAR.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
820	Process not Found
820	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe
Token: SeDebugPrivilege	5052	CH341PAR.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 1160	5052	CH341PAR.exe	15
PID 5052 wrote to memory of 2400	5052	CH341PAR.exe	45
PID 5052 wrote to memory of 3176	5052	CH341PAR.exe	48
PID 5052 wrote to memory of 3456	5052	CH341PAR.exe	50
PID 5052 wrote to memory of 3312	5052	CH341PAR.exe	57
PID 5052 wrote to memory of 4340	5052	CH341PAR.exe	59
PID 5052 wrote to memory of 4400	5052	CH341PAR.exe	60
PID 5052 wrote to memory of 4440	5052	CH341PAR.exe	61
PID 5052 wrote to memory of 4676	5052	CH341PAR.exe	62
PID 5052 wrote to memory of 4940	5052	CH341PAR.exe	64
PID 5052 wrote to memory of 1264	5052	CH341PAR.exe	65
PID 5052 wrote to memory of 5140	5052	CH341PAR.exe	66
PID 5052 wrote to memory of 5176	5052	CH341PAR.exe	67
PID 5052 wrote to memory of 1136	5052	CH341PAR.exe	80
PID 5052 wrote to memory of 6092	5052	CH341PAR.exe	81
PID 5052 wrote to memory of 3340	5052	CH341PAR.exe	82
PID 5052 wrote to memory of 6124	5052	CH341PAR.exe	83
PID 5052 wrote to memory of 1160	5052	CH341PAR.exe	15
PID 5052 wrote to memory of 2400	5052	CH341PAR.exe	45
PID 5052 wrote to memory of 3176	5052	CH341PAR.exe	48
PID 5052 wrote to memory of 3456	5052	CH341PAR.exe	50
PID 5052 wrote to memory of 3312	5052	CH341PAR.exe	57
PID 5052 wrote to memory of 4340	5052	CH341PAR.exe	59
PID 5052 wrote to memory of 4400	5052	CH341PAR.exe	60
PID 5052 wrote to memory of 4440	5052	CH341PAR.exe	61
PID 5052 wrote to memory of 4676	5052	CH341PAR.exe	62
PID 5052 wrote to memory of 4940	5052	CH341PAR.exe	64
PID 5052 wrote to memory of 1264	5052	CH341PAR.exe	65
PID 5052 wrote to memory of 5140	5052	CH341PAR.exe	66
PID 5052 wrote to memory of 5176	5052	CH341PAR.exe	67
PID 5052 wrote to memory of 1136	5052	CH341PAR.exe	80
PID 5052 wrote to memory of 6092	5052	CH341PAR.exe	81
PID 5052 wrote to memory of 3340	5052	CH341PAR.exe	82
PID 5052 wrote to memory of 6124	5052	CH341PAR.exe	83
PID 5052 wrote to memory of 1160	5052	CH341PAR.exe	15
PID 5052 wrote to memory of 2400	5052	CH341PAR.exe	45
PID 5052 wrote to memory of 3176	5052	CH341PAR.exe	48
PID 5052 wrote to memory of 3456	5052	CH341PAR.exe	50
PID 5052 wrote to memory of 3312	5052	CH341PAR.exe	57
PID 5052 wrote to memory of 4340	5052	CH341PAR.exe	59
PID 5052 wrote to memory of 4400	5052	CH341PAR.exe	60
PID 5052 wrote to memory of 4440	5052	CH341PAR.exe	61
PID 5052 wrote to memory of 4676	5052	CH341PAR.exe	62
PID 5052 wrote to memory of 4940	5052	CH341PAR.exe	64
PID 5052 wrote to memory of 1264	5052	CH341PAR.exe	65
PID 5052 wrote to memory of 5140	5052	CH341PAR.exe	66
PID 5052 wrote to memory of 5176	5052	CH341PAR.exe	67
PID 5052 wrote to memory of 1136	5052	CH341PAR.exe	80
PID 5052 wrote to memory of 6092	5052	CH341PAR.exe	81
PID 5052 wrote to memory of 3340	5052	CH341PAR.exe	82
PID 5052 wrote to memory of 6124	5052	CH341PAR.exe	83
PID 5052 wrote to memory of 1160	5052	CH341PAR.exe	15
PID 5052 wrote to memory of 2400	5052	CH341PAR.exe	45
PID 5052 wrote to memory of 3176	5052	CH341PAR.exe	48
PID 5052 wrote to memory of 3456	5052	CH341PAR.exe	50
PID 5052 wrote to memory of 3312	5052	CH341PAR.exe	57
PID 5052 wrote to memory of 4340	5052	CH341PAR.exe	59
PID 5052 wrote to memory of 4400	5052	CH341PAR.exe	60
PID 5052 wrote to memory of 4440	5052	CH341PAR.exe	61
PID 5052 wrote to memory of 4676	5052	CH341PAR.exe	62
PID 5052 wrote to memory of 4940	5052	CH341PAR.exe	64
PID 5052 wrote to memory of 1264	5052	CH341PAR.exe	65
PID 5052 wrote to memory of 5140	5052	CH341PAR.exe	66
PID 5052 wrote to memory of 5176	5052	CH341PAR.exe	67

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	CH341PAR.exe

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:1160

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2400

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc
1⤵
PID:3176

C:\Windows\System32\ShellHost.exe
"C:\Windows\System32\ShellHost.exe"
1⤵
PID:3456

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3312

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4340

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4400

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:4440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4676

C:\Windows\system32\ctfmon.exe
/QuitInfo:0000000000000268;000000000000026C;
1⤵
PID:4940

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
1⤵
PID:1264

C:\Windows\System32\smartscreen.exe
C:\Windows\System32\smartscreen.exe -Embedding
1⤵
PID:5140

C:\Windows\System32\SecurityHealthSystray.exe
"C:\Windows\System32\SecurityHealthSystray.exe"
1⤵
PID:5176

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:1136
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:6092
- - C:\Users\Admin\AppData\Local\Temp\usb driver CH341\usb driver CH341\USB DRIVER2\DRIVER\Windows签名驱动，支持win7（首选）\CH341PAR.exe
    "C:\Users\Admin\AppData\Local\Temp\usb driver CH341\usb driver CH341\USB DRIVER2\DRIVER\Windows签名驱动，支持win7（首选）\CH341PAR.exe"
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Drops file in Drivers directory
    - Windows security modification
    - Checks whether UAC is enabled
    - Enumerates connected drives
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:5052

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3340

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:6124

C:\Windows\system32\drivers\ipfltdrv.sys
C:\Windows\system32\drivers\ipfltdrv.sys
1⤵
PID:4196

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry