sality | 812758fba4a065bce800b5cdb70e06c9b3c41106a7e206cfd3f94e94ec0de87e

Windows Service

T1543.003

Processes:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f763775.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:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f763775.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f763775.exe

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

Processes:

resource	yara_rule
behavioral1/memory/1972-14-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-16-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-18-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-21-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-17-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-20-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-23-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-19-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-15-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-22-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-62-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-61-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-63-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-65-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-64-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-67-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-68-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-82-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-84-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-85-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-107-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1972-155-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1584-183-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1584-210-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 27 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1972-14-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-16-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-18-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-21-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-17-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-20-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-23-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-19-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-15-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-22-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-62-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-61-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-63-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-65-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-64-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-67-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-68-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-82-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-84-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-85-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-107-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1972-156-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2636-160-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1972-155-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/1584-183-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/1584-211-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1584-210-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761bca.exef761d31.exef763775.exe

pid process

1972 f761bca.exe
2636 f761d31.exe
1584 f763775.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2456 rundll32.exe
2456 rundll32.exe
2456 rundll32.exe
2456 rundll32.exe
2456 rundll32.exe
2456 rundll32.exe

pid	process
1972	f761bca.exe
2636	f761d31.exe
1584	f763775.exe

pid	process
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1972-14-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-16-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-18-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-21-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-20-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-23-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-22-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-62-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-63-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-65-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-67-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-68-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-82-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-84-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-85-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-107-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1972-155-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1584-183-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1584-210-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761bca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761bca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f763775.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f763775.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f763775.exe

Enumerates connected drives 3 TTPs 17 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:

f761bca.exef763775.exe

description	ioc	process
File opened (read-only)	\??\L:	f761bca.exe
File opened (read-only)	\??\M:	f761bca.exe
File opened (read-only)	\??\R:	f761bca.exe
File opened (read-only)	\??\T:	f761bca.exe
File opened (read-only)	\??\I:	f761bca.exe
File opened (read-only)	\??\G:	f761bca.exe
File opened (read-only)	\??\H:	f761bca.exe
File opened (read-only)	\??\J:	f761bca.exe
File opened (read-only)	\??\Q:	f761bca.exe
File opened (read-only)	\??\E:	f761bca.exe
File opened (read-only)	\??\K:	f761bca.exe
File opened (read-only)	\??\N:	f761bca.exe
File opened (read-only)	\??\O:	f761bca.exe
File opened (read-only)	\??\P:	f761bca.exe
File opened (read-only)	\??\S:	f761bca.exe
File opened (read-only)	\??\E:	f763775.exe
File opened (read-only)	\??\G:	f763775.exe

Drops file in Windows directory 3 IoCs

Processes:

f761bca.exef763775.exe

description	ioc	process
File created	C:\Windows\f761c28	f761bca.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761bca.exe
File created	C:\Windows\f766c2b	f763775.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761bca.exef763775.exe

pid process

1972 f761bca.exe
1972 f761bca.exe
1584 f763775.exe

pid	process
1972	f761bca.exe
1972	f761bca.exe
1584	f763775.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761bca.exef763775.exe

description	pid	process
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1972	f761bca.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe
Token: SeDebugPrivilege	1584	f763775.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761bca.exef763775.exe

description	pid	process	target process
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1972	2456	rundll32.exe	f761bca.exe
PID 2456 wrote to memory of 1972	2456	rundll32.exe	f761bca.exe
PID 2456 wrote to memory of 1972	2456	rundll32.exe	f761bca.exe
PID 2456 wrote to memory of 1972	2456	rundll32.exe	f761bca.exe
PID 1972 wrote to memory of 1112	1972	f761bca.exe	taskhost.exe
PID 1972 wrote to memory of 1160	1972	f761bca.exe	Dwm.exe
PID 1972 wrote to memory of 1196	1972	f761bca.exe	Explorer.EXE
PID 1972 wrote to memory of 544	1972	f761bca.exe	DllHost.exe
PID 1972 wrote to memory of 1688	1972	f761bca.exe	rundll32.exe
PID 1972 wrote to memory of 2456	1972	f761bca.exe	rundll32.exe
PID 1972 wrote to memory of 2456	1972	f761bca.exe	rundll32.exe
PID 2456 wrote to memory of 2636	2456	rundll32.exe	f761d31.exe
PID 2456 wrote to memory of 2636	2456	rundll32.exe	f761d31.exe
PID 2456 wrote to memory of 2636	2456	rundll32.exe	f761d31.exe
PID 2456 wrote to memory of 2636	2456	rundll32.exe	f761d31.exe
PID 2456 wrote to memory of 1584	2456	rundll32.exe	f763775.exe
PID 2456 wrote to memory of 1584	2456	rundll32.exe	f763775.exe
PID 2456 wrote to memory of 1584	2456	rundll32.exe	f763775.exe
PID 2456 wrote to memory of 1584	2456	rundll32.exe	f763775.exe
PID 1972 wrote to memory of 1112	1972	f761bca.exe	taskhost.exe
PID 1972 wrote to memory of 1160	1972	f761bca.exe	Dwm.exe
PID 1972 wrote to memory of 1196	1972	f761bca.exe	Explorer.EXE
PID 1972 wrote to memory of 2636	1972	f761bca.exe	f761d31.exe
PID 1972 wrote to memory of 2636	1972	f761bca.exe	f761d31.exe
PID 1972 wrote to memory of 1584	1972	f761bca.exe	f763775.exe
PID 1972 wrote to memory of 1584	1972	f761bca.exe	f763775.exe
PID 1584 wrote to memory of 1112	1584	f763775.exe	taskhost.exe
PID 1584 wrote to memory of 1160	1584	f763775.exe	Dwm.exe
PID 1584 wrote to memory of 1196	1584	f763775.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761bca.exef763775.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761bca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f763775.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\812758fba4a065bce800b5cdb70e06c9b3c41106a7e206cfd3f94e94ec0de87e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\812758fba4a065bce800b5cdb70e06c9b3c41106a7e206cfd3f94e94ec0de87e.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2456

C:\Users\Admin\AppData\Local\Temp\f761bca.exe
C:\Users\Admin\AppData\Local\Temp\f761bca.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:1972

C:\Users\Admin\AppData\Local\Temp\f761d31.exe
C:\Users\Admin\AppData\Local\Temp\f761d31.exe
4⤵
- Executes dropped EXE
PID:2636

C:\Users\Admin\AppData\Local\Temp\f763775.exe
C:\Users\Admin\AppData\Local\Temp\f763775.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:1584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

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