sality | a8f97681f594af2f4f028b43f538a85516479175d54e56b2b86111ded872af38

Windows Service

T1543.003

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76208b.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76208b.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76208b.exe

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 25 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-16-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-21-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-15-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-19-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-17-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-20-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-18-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-14-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-22-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-60-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-23-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-59-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-65-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-66-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-67-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-82-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-83-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-99-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-103-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-106-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-108-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-110-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-144-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2688-160-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2688-182-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 29 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2192-16-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-21-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-15-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-19-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-17-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-20-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-18-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-14-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-22-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-60-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2688-64-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2192-23-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-59-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-65-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-66-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-67-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-82-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-83-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-99-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-103-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-106-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-108-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-110-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2192-143-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2192-144-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2688-160-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2688-181-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2688-182-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2532-186-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761f05.exef76208b.exef763f51.exe

pid process

2192 f761f05.exe
2688 f76208b.exe
2532 f763f51.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2444 rundll32.exe
2444 rundll32.exe
2444 rundll32.exe
2444 rundll32.exe
2444 rundll32.exe
2444 rundll32.exe

pid	process
2192	f761f05.exe
2688	f76208b.exe
2532	f763f51.exe

pid	process
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe
2444	rundll32.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2192-16-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-21-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-15-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-19-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-17-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-20-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-18-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-14-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-22-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-60-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-23-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-59-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-65-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-66-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-67-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-82-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-83-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-99-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-103-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-106-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-108-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-110-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2192-144-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/2688-160-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/2688-182-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761f05.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76208b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76208b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76208b.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76208b.exe

Enumerates connected drives 3 TTPs 11 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

Processes:

f761f05.exe

description	ioc	process
File opened (read-only)	\??\H:	f761f05.exe
File opened (read-only)	\??\I:	f761f05.exe
File opened (read-only)	\??\J:	f761f05.exe
File opened (read-only)	\??\K:	f761f05.exe
File opened (read-only)	\??\L:	f761f05.exe
File opened (read-only)	\??\M:	f761f05.exe
File opened (read-only)	\??\N:	f761f05.exe
File opened (read-only)	\??\G:	f761f05.exe
File opened (read-only)	\??\O:	f761f05.exe
File opened (read-only)	\??\P:	f761f05.exe
File opened (read-only)	\??\E:	f761f05.exe

Drops file in Windows directory 3 IoCs

Processes:

f761f05.exef76208b.exe

description	ioc	process
File created	C:\Windows\f761f72	f761f05.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761f05.exe
File created	C:\Windows\f767031	f76208b.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761f05.exef76208b.exe

pid process

2192 f761f05.exe
2192 f761f05.exe
2688 f76208b.exe

pid	process
2192	f761f05.exe
2192	f761f05.exe
2688	f76208b.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761f05.exef76208b.exe

description	pid	process
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2192	f761f05.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe
Token: SeDebugPrivilege	2688	f76208b.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761f05.exef76208b.exe

description	pid	process	target process
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2444	2424	rundll32.exe	rundll32.exe
PID 2444 wrote to memory of 2192	2444	rundll32.exe	f761f05.exe
PID 2444 wrote to memory of 2192	2444	rundll32.exe	f761f05.exe
PID 2444 wrote to memory of 2192	2444	rundll32.exe	f761f05.exe
PID 2444 wrote to memory of 2192	2444	rundll32.exe	f761f05.exe
PID 2192 wrote to memory of 1100	2192	f761f05.exe	taskhost.exe
PID 2192 wrote to memory of 1160	2192	f761f05.exe	Dwm.exe
PID 2192 wrote to memory of 1188	2192	f761f05.exe	Explorer.EXE
PID 2192 wrote to memory of 1912	2192	f761f05.exe	DllHost.exe
PID 2192 wrote to memory of 2424	2192	f761f05.exe	rundll32.exe
PID 2192 wrote to memory of 2444	2192	f761f05.exe	rundll32.exe
PID 2192 wrote to memory of 2444	2192	f761f05.exe	rundll32.exe
PID 2444 wrote to memory of 2688	2444	rundll32.exe	f76208b.exe
PID 2444 wrote to memory of 2688	2444	rundll32.exe	f76208b.exe
PID 2444 wrote to memory of 2688	2444	rundll32.exe	f76208b.exe
PID 2444 wrote to memory of 2688	2444	rundll32.exe	f76208b.exe
PID 2444 wrote to memory of 2532	2444	rundll32.exe	f763f51.exe
PID 2444 wrote to memory of 2532	2444	rundll32.exe	f763f51.exe
PID 2444 wrote to memory of 2532	2444	rundll32.exe	f763f51.exe
PID 2444 wrote to memory of 2532	2444	rundll32.exe	f763f51.exe
PID 2192 wrote to memory of 1100	2192	f761f05.exe	taskhost.exe
PID 2192 wrote to memory of 1160	2192	f761f05.exe	Dwm.exe
PID 2192 wrote to memory of 1188	2192	f761f05.exe	Explorer.EXE
PID 2192 wrote to memory of 2688	2192	f761f05.exe	f76208b.exe
PID 2192 wrote to memory of 2688	2192	f761f05.exe	f76208b.exe
PID 2192 wrote to memory of 2532	2192	f761f05.exe	f763f51.exe
PID 2192 wrote to memory of 2532	2192	f761f05.exe	f763f51.exe
PID 2688 wrote to memory of 1100	2688	f76208b.exe	taskhost.exe
PID 2688 wrote to memory of 1160	2688	f76208b.exe	Dwm.exe
PID 2688 wrote to memory of 1188	2688	f76208b.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761f05.exef76208b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76208b.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8f97681f594af2f4f028b43f538a85516479175d54e56b2b86111ded872af38.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8f97681f594af2f4f028b43f538a85516479175d54e56b2b86111ded872af38.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2444

C:\Users\Admin\AppData\Local\Temp\f761f05.exe
C:\Users\Admin\AppData\Local\Temp\f761f05.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2192

C:\Users\Admin\AppData\Local\Temp\f76208b.exe
C:\Users\Admin\AppData\Local\Temp\f76208b.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2688

C:\Users\Admin\AppData\Local\Temp\f763f51.exe
C:\Users\Admin\AppData\Local\Temp\f763f51.exe
4⤵
- Executes dropped EXE
PID:2532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1912

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Modify Registry

5

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

3

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

T1012

Peripheral Device Discovery