sality | e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5

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\DisableNotifications = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	system.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	system.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
Sality family
sality

UAC bypass 3 TTPs 2 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"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	220	Rundll32.exe

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Rundll32.exe

Executes dropped EXE 2 IoCs

pid	Process
3332	system.exe
4740	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Loads dropped DLL 3 IoCs

pid	Process
1172	Rundll32.exe
220	Rundll32.exe
220	Rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	system.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe"	Rundll32.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Enumerates connected drives 3 TTPs 7 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:	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File opened (read-only)	\??\G:	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File opened (read-only)	\??\H:	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File opened (read-only)	\??\I:	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File opened (read-only)	\??\J:	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File opened (read-only)	\??\D:	Rundll32.exe
File opened (read-only)	\??\F:	Rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\system.exe	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File created	C:\Windows\SysWOW64\fwctngaa.dll	system.exe
File created	C:\Windows\SysWOW64\oxluogaa.dll	system.exe

UPX packed file 32 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3332-8-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-18-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-12-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-19-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-21-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-36-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-37-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-32-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-11-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-10-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/3332-44-0x0000000002190000-0x000000000324A000-memory.dmp	upx
behavioral2/memory/4148-83-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-72-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-84-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-81-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-85-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-82-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-70-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-71-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-68-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-73-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-89-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-88-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-90-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-92-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-91-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-94-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-95-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-97-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-98-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-99-0x0000000003360000-0x000000000441A000-memory.dmp	upx
behavioral2/memory/4148-102-0x0000000003360000-0x000000000441A000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\KAV\CDriver.sys	Rundll32.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	system.exe
File created	C:\Windows\e57b7c7	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
File created	C:\Windows\e578f6f	system.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
100	sc.exe
4424	sc.exe
2944	sc.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 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	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3332	system.exe
3332	system.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
1172	Rundll32.exe
220	Rundll32.exe
220	Rundll32.exe
4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe
Token: SeDebugPrivilege	3332	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4740	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
4740	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3332	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	83
PID 4148 wrote to memory of 3332	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	83
PID 4148 wrote to memory of 3332	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	83
PID 3332 wrote to memory of 1172	3332	system.exe	84
PID 3332 wrote to memory of 1172	3332	system.exe	84
PID 3332 wrote to memory of 1172	3332	system.exe	84
PID 3332 wrote to memory of 764	3332	system.exe	8
PID 3332 wrote to memory of 772	3332	system.exe	9
PID 3332 wrote to memory of 336	3332	system.exe	13
PID 3332 wrote to memory of 2904	3332	system.exe	49
PID 3332 wrote to memory of 2924	3332	system.exe	50
PID 3332 wrote to memory of 2640	3332	system.exe	52
PID 3332 wrote to memory of 3424	3332	system.exe	56
PID 3332 wrote to memory of 3556	3332	system.exe	57
PID 3332 wrote to memory of 3780	3332	system.exe	58
PID 3332 wrote to memory of 3876	3332	system.exe	59
PID 3332 wrote to memory of 3940	3332	system.exe	60
PID 3332 wrote to memory of 4016	3332	system.exe	61
PID 3332 wrote to memory of 2304	3332	system.exe	62
PID 3332 wrote to memory of 3572	3332	system.exe	74
PID 3332 wrote to memory of 2828	3332	system.exe	76
PID 3332 wrote to memory of 4852	3332	system.exe	81
PID 3332 wrote to memory of 4148	3332	system.exe	82
PID 3332 wrote to memory of 4148	3332	system.exe	82
PID 3332 wrote to memory of 1172	3332	system.exe	84
PID 3332 wrote to memory of 1172	3332	system.exe	84
PID 1172 wrote to memory of 4708	1172	Rundll32.exe	85
PID 1172 wrote to memory of 4708	1172	Rundll32.exe	85
PID 1172 wrote to memory of 4708	1172	Rundll32.exe	85
PID 1172 wrote to memory of 3280	1172	Rundll32.exe	86
PID 1172 wrote to memory of 3280	1172	Rundll32.exe	86
PID 1172 wrote to memory of 3280	1172	Rundll32.exe	86
PID 1172 wrote to memory of 4424	1172	Rundll32.exe	87
PID 1172 wrote to memory of 4424	1172	Rundll32.exe	87
PID 1172 wrote to memory of 4424	1172	Rundll32.exe	87
PID 1172 wrote to memory of 100	1172	Rundll32.exe	88
PID 1172 wrote to memory of 100	1172	Rundll32.exe	88
PID 1172 wrote to memory of 100	1172	Rundll32.exe	88
PID 3280 wrote to memory of 4768	3280	net.exe	93
PID 3280 wrote to memory of 4768	3280	net.exe	93
PID 3280 wrote to memory of 4768	3280	net.exe	93
PID 4708 wrote to memory of 4724	4708	net.exe	94
PID 4708 wrote to memory of 4724	4708	net.exe	94
PID 4708 wrote to memory of 4724	4708	net.exe	94
PID 1172 wrote to memory of 2944	1172	Rundll32.exe	95
PID 1172 wrote to memory of 2944	1172	Rundll32.exe	95
PID 1172 wrote to memory of 2944	1172	Rundll32.exe	95
PID 3332 wrote to memory of 220	3332	system.exe	97
PID 3332 wrote to memory of 220	3332	system.exe	97
PID 3332 wrote to memory of 220	3332	system.exe	97
PID 4148 wrote to memory of 4740	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	98
PID 4148 wrote to memory of 4740	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	98
PID 4148 wrote to memory of 4740	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	98
PID 4148 wrote to memory of 764	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	8
PID 4148 wrote to memory of 772	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	9
PID 4148 wrote to memory of 336	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	13
PID 4148 wrote to memory of 2904	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	49
PID 4148 wrote to memory of 2924	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	50
PID 4148 wrote to memory of 2640	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	52
PID 4148 wrote to memory of 3424	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	56
PID 4148 wrote to memory of 3556	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	57
PID 4148 wrote to memory of 3780	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	58
PID 4148 wrote to memory of 3876	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	59
PID 4148 wrote to memory of 3940	4148	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe	60

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	system.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:764

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:772

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:336

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2904

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2924

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3424
- C:\Users\Admin\AppData\Local\Temp\e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
  "C:\Users\Admin\AppData\Local\Temp\e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Checks whether UAC is enabled
  - Enumerates connected drives
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4148
- - C:\Windows\SysWOW64\system.exe
    C:\Windows\system32\system.exe
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Drops file in System32 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:3332
  - - C:\Windows\SysWOW64\Rundll32.exe
      Rundll32 C:\Windows\system32\fwctngaa.dll Exucute
      4⤵
      Checks computer location settings
      Loads dropped DLL
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1172
    - - C:\Windows\SysWOW64\net.exe
        
        net stop WinDefend
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4708
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop WinDefend
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4724
    - - C:\Windows\SysWOW64\net.exe
        
        net stop MpsSvc
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3280
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop MpsSvc
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4768
    - - C:\Windows\SysWOW64\sc.exe
        
        sc config WinDefend start= disabled
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:4424
    - - C:\Windows\SysWOW64\sc.exe
        
        sc config MpsSvc start= disabled
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:100
    - - C:\Windows\SysWOW64\sc.exe
        
        "C:\Windows\System32\sc.exe" stop PolicyAgent
        5⤵
        Launches sc.exe
        System Location Discovery: System Language Discovery
        
        PID:2944
  - - C:\Windows\SysWOW64\Rundll32.exe
      Rundll32 C:\Windows\system32\oxluogaa.dll Exucute
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:220
- - C:\Users\Admin\AppData\Local\Temp\e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
    C:\Users\Admin\AppData\Local\Temp\e761db38b3e51796cac26fa3f16c1cb1e5caeb0a616ebfdc0fd52df0eeaebcd5.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3556

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3780

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3876

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3940

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4016

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2304

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:3572

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2828

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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