a0bf4dca68f7cf2e115844b0b1a4669c04b46f63b721b8b9645382b1b1b24db0

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"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	SETUP.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winxhmibm.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winxhmibm.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winxhmibm.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\winxhmibm.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winxhmibm.exe:*:Enabled:ipsec"	winxhmibm.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	SETUP.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"	SETUP.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"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	SETUP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	SETUP.exe

Drops file in Drivers directory 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1584	winxhmibm.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

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

Enumerates connected drives 3 TTPs 20 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

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

UPX packed file 62 IoCs

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

upx

resource	yara_rule
behavioral15/memory/4052-3-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-2-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-12-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-15-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-18-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-17-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-14-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-11-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-10-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-13-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-9-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-16-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-19-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-21-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-20-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-22-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-23-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-26-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-28-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-29-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-31-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-33-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-35-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-36-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-37-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-38-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-39-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-41-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-42-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-43-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-45-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-47-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-48-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-49-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-51-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-53-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-55-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-57-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-59-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-61-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-63-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-64-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-65-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-66-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-67-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-68-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-69-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-72-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-73-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-74-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-75-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-76-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-77-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/files/0x00030000000006fd-81.dat	upx
behavioral15/memory/1584-83-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral15/memory/4052-84-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-85-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-89-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-91-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/4052-93-0x00000000022A0000-0x0000000003364000-memory.dmp	upx
behavioral15/memory/1584-96-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral15/memory/4052-97-0x00000000022A0000-0x0000000003364000-memory.dmp	upx

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	SETUP.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	SETUP.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	SETUP.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	SETUP.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	SETUP.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e588ad6	SETUP.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	SETUP.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

discovery

System Language Discovery

T1614.001

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

Checks processor information in registry 2 TTPs 17 IoCs

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

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\6	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2\ProcessorNameString	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\3	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\3\ProcessorNameString	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\7	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\8	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\4	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\4\ProcessorNameString	winxhmibm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\5	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\5\ProcessorNameString	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\6\ProcessorNameString	winxhmibm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\7\ProcessorNameString	winxhmibm.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe
4052	SETUP.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
656	Process not Found
656	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe
Token: SeDebugPrivilege	4052	SETUP.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 784	4052	SETUP.exe	9
PID 4052 wrote to memory of 792	4052	SETUP.exe	10
PID 4052 wrote to memory of 392	4052	SETUP.exe	14
PID 4052 wrote to memory of 3040	4052	SETUP.exe	51
PID 4052 wrote to memory of 3060	4052	SETUP.exe	52
PID 4052 wrote to memory of 2256	4052	SETUP.exe	53
PID 4052 wrote to memory of 3200	4052	SETUP.exe	56
PID 4052 wrote to memory of 3316	4052	SETUP.exe	57
PID 4052 wrote to memory of 3512	4052	SETUP.exe	58
PID 4052 wrote to memory of 3596	4052	SETUP.exe	59
PID 4052 wrote to memory of 3668	4052	SETUP.exe	60
PID 4052 wrote to memory of 3748	4052	SETUP.exe	61
PID 4052 wrote to memory of 4020	4052	SETUP.exe	62
PID 4052 wrote to memory of 4484	4052	SETUP.exe	65
PID 4052 wrote to memory of 1228	4052	SETUP.exe	75
PID 4052 wrote to memory of 1852	4052	SETUP.exe	78
PID 4052 wrote to memory of 768	4052	SETUP.exe	79
PID 4052 wrote to memory of 2212	4052	SETUP.exe	84
PID 4052 wrote to memory of 784	4052	SETUP.exe	9
PID 4052 wrote to memory of 792	4052	SETUP.exe	10
PID 4052 wrote to memory of 392	4052	SETUP.exe	14
PID 4052 wrote to memory of 3040	4052	SETUP.exe	51
PID 4052 wrote to memory of 3060	4052	SETUP.exe	52
PID 4052 wrote to memory of 2256	4052	SETUP.exe	53
PID 4052 wrote to memory of 3200	4052	SETUP.exe	56
PID 4052 wrote to memory of 3316	4052	SETUP.exe	57
PID 4052 wrote to memory of 3512	4052	SETUP.exe	58
PID 4052 wrote to memory of 3596	4052	SETUP.exe	59
PID 4052 wrote to memory of 3668	4052	SETUP.exe	60
PID 4052 wrote to memory of 3748	4052	SETUP.exe	61
PID 4052 wrote to memory of 4020	4052	SETUP.exe	62
PID 4052 wrote to memory of 4484	4052	SETUP.exe	65
PID 4052 wrote to memory of 1228	4052	SETUP.exe	75
PID 4052 wrote to memory of 768	4052	SETUP.exe	79
PID 4052 wrote to memory of 784	4052	SETUP.exe	9
PID 4052 wrote to memory of 792	4052	SETUP.exe	10
PID 4052 wrote to memory of 392	4052	SETUP.exe	14
PID 4052 wrote to memory of 3040	4052	SETUP.exe	51
PID 4052 wrote to memory of 3060	4052	SETUP.exe	52
PID 4052 wrote to memory of 2256	4052	SETUP.exe	53
PID 4052 wrote to memory of 3200	4052	SETUP.exe	56
PID 4052 wrote to memory of 3316	4052	SETUP.exe	57
PID 4052 wrote to memory of 3512	4052	SETUP.exe	58
PID 4052 wrote to memory of 3596	4052	SETUP.exe	59
PID 4052 wrote to memory of 3668	4052	SETUP.exe	60
PID 4052 wrote to memory of 3748	4052	SETUP.exe	61
PID 4052 wrote to memory of 4020	4052	SETUP.exe	62
PID 4052 wrote to memory of 4484	4052	SETUP.exe	65
PID 4052 wrote to memory of 1228	4052	SETUP.exe	75
PID 4052 wrote to memory of 768	4052	SETUP.exe	79
PID 4052 wrote to memory of 784	4052	SETUP.exe	9
PID 4052 wrote to memory of 792	4052	SETUP.exe	10
PID 4052 wrote to memory of 392	4052	SETUP.exe	14
PID 4052 wrote to memory of 3040	4052	SETUP.exe	51
PID 4052 wrote to memory of 3060	4052	SETUP.exe	52
PID 4052 wrote to memory of 2256	4052	SETUP.exe	53
PID 4052 wrote to memory of 3200	4052	SETUP.exe	56
PID 4052 wrote to memory of 3316	4052	SETUP.exe	57
PID 4052 wrote to memory of 3512	4052	SETUP.exe	58
PID 4052 wrote to memory of 3596	4052	SETUP.exe	59
PID 4052 wrote to memory of 3668	4052	SETUP.exe	60
PID 4052 wrote to memory of 3748	4052	SETUP.exe	61
PID 4052 wrote to memory of 4020	4052	SETUP.exe	62
PID 4052 wrote to memory of 4484	4052	SETUP.exe	65

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"	SETUP.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:784

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:792

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:392

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3060

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2256

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3200
- C:\Users\Admin\AppData\Local\Temp\usb driver CH341\usb driver CH341\USB DRIVER2\DRIVER\CH341串口驱动（备用）\DRIVER\SETUP.exe
  "C:\Users\Admin\AppData\Local\Temp\usb driver CH341\usb driver CH341\USB DRIVER2\DRIVER\CH341串口驱动（备用）\DRIVER\SETUP.exe"
  2⤵
  - 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:4052
- - C:\Users\Admin\AppData\Local\Temp\winxhmibm.exe
    C:\Users\Admin\AppData\Local\Temp\winxhmibm.exe
    3⤵
    - Modifies firewall policy service
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    PID:1584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3512

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3596

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3668

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3748

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4020

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4484

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:1228

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1852

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:768

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2212

C:\Windows\system32\drivers\ipfltdrv.sys
C:\Windows\system32\drivers\ipfltdrv.sys
1⤵
PID:1800

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

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery