sality | c7ade882c9e3d3c7d9ddfdecccf2389f64357ee87eef4a5e98630e00da758551

Windows Service

T1543.003

Processes:

f7633ae.exef7617d4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7617d4.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:

f7617d4.exef7633ae.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7633ae.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f7617d4.exef7633ae.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7633ae.exe

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs

Processes:

resource	yara_rule
behavioral1/memory/380-9-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-14-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-15-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-17-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-21-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-24-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-26-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-35-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-47-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-29-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-59-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-60-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-61-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-62-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-63-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-76-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-79-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-80-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-82-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-84-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-103-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/380-140-0x0000000000660000-0x000000000171A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/780-147-0x0000000000920000-0x00000000019DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/780-186-0x0000000000920000-0x00000000019DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 28 IoCs

Processes:

resource	yara_rule
behavioral1/memory/380-9-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-11-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/380-14-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-15-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-17-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-21-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-24-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-26-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-35-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/2000-51-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/380-47-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-29-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-59-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-60-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-61-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-62-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-63-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/780-78-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/380-76-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-79-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-80-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-82-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-84-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-103-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/380-140-0x0000000000660000-0x000000000171A000-memory.dmp	UPX
behavioral1/memory/780-147-0x0000000000920000-0x00000000019DA000-memory.dmp	UPX
behavioral1/memory/780-186-0x0000000000920000-0x00000000019DA000-memory.dmp	UPX
behavioral1/memory/780-187-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f7617d4.exef761d70.exef7633ae.exe

pid process

380 f7617d4.exe
2000 f761d70.exe
780 f7633ae.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2340 rundll32.exe
2340 rundll32.exe
2340 rundll32.exe
2340 rundll32.exe
2340 rundll32.exe
2340 rundll32.exe

pid	process
380	f7617d4.exe
2000	f761d70.exe
780	f7633ae.exe

pid	process
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/380-9-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-14-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-15-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-17-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-21-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-24-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-26-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-35-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-47-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-29-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-59-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-60-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-61-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-62-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-63-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-76-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-79-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-80-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-82-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-84-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-103-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/380-140-0x0000000000660000-0x000000000171A000-memory.dmp	upx
behavioral1/memory/780-147-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/780-186-0x0000000000920000-0x00000000019DA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f7617d4.exef7633ae.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7617d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7633ae.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7633ae.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7617d4.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f7617d4.exef7633ae.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7633ae.exe

Enumerates connected drives 3 TTPs 13 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:

f7617d4.exef7633ae.exe

description	ioc	process
File opened (read-only)	\??\O:	f7617d4.exe
File opened (read-only)	\??\G:	f7617d4.exe
File opened (read-only)	\??\N:	f7617d4.exe
File opened (read-only)	\??\E:	f7633ae.exe
File opened (read-only)	\??\I:	f7617d4.exe
File opened (read-only)	\??\K:	f7617d4.exe
File opened (read-only)	\??\M:	f7617d4.exe
File opened (read-only)	\??\E:	f7617d4.exe
File opened (read-only)	\??\H:	f7617d4.exe
File opened (read-only)	\??\P:	f7617d4.exe
File opened (read-only)	\??\Q:	f7617d4.exe
File opened (read-only)	\??\J:	f7617d4.exe
File opened (read-only)	\??\L:	f7617d4.exe

Drops file in Windows directory 3 IoCs

Processes:

f7617d4.exef7633ae.exe

description	ioc	process
File created	C:\Windows\f761861	f7617d4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7617d4.exe
File created	C:\Windows\f766f08	f7633ae.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f7617d4.exef7633ae.exe

pid process

380 f7617d4.exe
380 f7617d4.exe
780 f7633ae.exe

pid	process
380	f7617d4.exe
380	f7617d4.exe
780	f7633ae.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f7617d4.exef7633ae.exe

description	pid	process
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	380	f7617d4.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe
Token: SeDebugPrivilege	780	f7633ae.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef7617d4.exef7633ae.exe

description	pid	process	target process
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2340	2288	rundll32.exe	rundll32.exe
PID 2340 wrote to memory of 380	2340	rundll32.exe	f7617d4.exe
PID 2340 wrote to memory of 380	2340	rundll32.exe	f7617d4.exe
PID 2340 wrote to memory of 380	2340	rundll32.exe	f7617d4.exe
PID 2340 wrote to memory of 380	2340	rundll32.exe	f7617d4.exe
PID 380 wrote to memory of 1076	380	f7617d4.exe	Dwm.exe
PID 380 wrote to memory of 1092	380	f7617d4.exe	taskhost.exe
PID 380 wrote to memory of 1160	380	f7617d4.exe	Explorer.EXE
PID 380 wrote to memory of 1632	380	f7617d4.exe	DllHost.exe
PID 380 wrote to memory of 2288	380	f7617d4.exe	rundll32.exe
PID 380 wrote to memory of 2340	380	f7617d4.exe	rundll32.exe
PID 380 wrote to memory of 2340	380	f7617d4.exe	rundll32.exe
PID 2340 wrote to memory of 2000	2340	rundll32.exe	f761d70.exe
PID 2340 wrote to memory of 2000	2340	rundll32.exe	f761d70.exe
PID 2340 wrote to memory of 2000	2340	rundll32.exe	f761d70.exe
PID 2340 wrote to memory of 2000	2340	rundll32.exe	f761d70.exe
PID 2340 wrote to memory of 780	2340	rundll32.exe	f7633ae.exe
PID 2340 wrote to memory of 780	2340	rundll32.exe	f7633ae.exe
PID 2340 wrote to memory of 780	2340	rundll32.exe	f7633ae.exe
PID 2340 wrote to memory of 780	2340	rundll32.exe	f7633ae.exe
PID 380 wrote to memory of 1076	380	f7617d4.exe	Dwm.exe
PID 380 wrote to memory of 1092	380	f7617d4.exe	taskhost.exe
PID 380 wrote to memory of 1160	380	f7617d4.exe	Explorer.EXE
PID 380 wrote to memory of 2000	380	f7617d4.exe	f761d70.exe
PID 380 wrote to memory of 2000	380	f7617d4.exe	f761d70.exe
PID 380 wrote to memory of 780	380	f7617d4.exe	f7633ae.exe
PID 380 wrote to memory of 780	380	f7617d4.exe	f7633ae.exe
PID 780 wrote to memory of 1076	780	f7633ae.exe	Dwm.exe
PID 780 wrote to memory of 1092	780	f7633ae.exe	taskhost.exe
PID 780 wrote to memory of 1160	780	f7633ae.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f7617d4.exef7633ae.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7617d4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7633ae.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1076

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1160

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c7ade882c9e3d3c7d9ddfdecccf2389f64357ee87eef4a5e98630e00da758551.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c7ade882c9e3d3c7d9ddfdecccf2389f64357ee87eef4a5e98630e00da758551.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2340

C:\Users\Admin\AppData\Local\Temp\f7617d4.exe
C:\Users\Admin\AppData\Local\Temp\f7617d4.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:380

C:\Users\Admin\AppData\Local\Temp\f761d70.exe
C:\Users\Admin\AppData\Local\Temp\f761d70.exe
4⤵
- Executes dropped EXE
PID:2000

C:\Users\Admin\AppData\Local\Temp\f7633ae.exe
C:\Users\Admin\AppData\Local\Temp\f7633ae.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:780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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