sality | 37b5ef720d91e0952c36ef51136d5b594b1603dd9ba156890fb9a0b0cae05124

Windows Service

T1543.003

Processes:

f763aa0.exef761f05.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f763aa0.exe
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"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f763aa0.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.exef763aa0.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"	f763aa0.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761f05.exef763aa0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "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\AntiVirusOverride = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761f05.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\UpdatesDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761f05.exe

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

Processes:

resource	yara_rule
behavioral1/memory/1968-13-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-16-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-17-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-15-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-21-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-22-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-19-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-23-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-20-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-18-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-62-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-63-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-64-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-65-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-66-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-68-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-69-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-84-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-85-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-87-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-108-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-121-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1968-151-0x00000000005E0000-0x000000000169A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1648-168-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1648-205-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 29 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-13-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-16-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-17-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-15-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/2576-61-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1968-21-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-22-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-19-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-23-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-20-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-18-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-62-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-63-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-64-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-65-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-66-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-68-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-69-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-84-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-85-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-87-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-108-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-121-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-151-0x00000000005E0000-0x000000000169A000-memory.dmp	UPX
behavioral1/memory/1968-150-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2576-155-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1648-168-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/1648-205-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/1648-206-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761f05.exef76209b.exef763aa0.exe

pid process

1968 f761f05.exe
2576 f76209b.exe
1648 f763aa0.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2208 rundll32.exe
2208 rundll32.exe
2208 rundll32.exe
2208 rundll32.exe
2208 rundll32.exe
2208 rundll32.exe

pid	process
1968	f761f05.exe
2576	f76209b.exe
1648	f763aa0.exe

pid	process
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe
2208	rundll32.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1968-13-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-16-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-17-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-15-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-21-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-22-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-19-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-23-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-20-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-18-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-62-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-63-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-64-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-65-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-66-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-68-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-69-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-84-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-85-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-87-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-108-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-121-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1968-151-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/1648-168-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1648-205-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761f05.exef763aa0.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\UacDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f763aa0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f763aa0.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"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f763aa0.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\UpdatesDisableNotify = "1"	f761f05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f763aa0.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\AntiVirusOverride = "1"	f763aa0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f763aa0.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761f05.exef763aa0.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"	f763aa0.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:

f761f05.exef763aa0.exe

description	ioc	process
File opened (read-only)	\??\G:	f761f05.exe
File opened (read-only)	\??\J:	f761f05.exe
File opened (read-only)	\??\K:	f761f05.exe
File opened (read-only)	\??\M:	f761f05.exe
File opened (read-only)	\??\O:	f761f05.exe
File opened (read-only)	\??\E:	f763aa0.exe
File opened (read-only)	\??\I:	f761f05.exe
File opened (read-only)	\??\P:	f761f05.exe
File opened (read-only)	\??\T:	f761f05.exe
File opened (read-only)	\??\G:	f763aa0.exe
File opened (read-only)	\??\E:	f761f05.exe
File opened (read-only)	\??\H:	f761f05.exe
File opened (read-only)	\??\L:	f761f05.exe
File opened (read-only)	\??\S:	f761f05.exe
File opened (read-only)	\??\N:	f761f05.exe
File opened (read-only)	\??\Q:	f761f05.exe
File opened (read-only)	\??\R:	f761f05.exe

Drops file in Windows directory 3 IoCs

Processes:

f761f05.exef763aa0.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\f766f56	f763aa0.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761f05.exef763aa0.exe

pid process

1968 f761f05.exe
1968 f761f05.exe
1648 f763aa0.exe

pid	process
1968	f761f05.exe
1968	f761f05.exe
1648	f763aa0.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761f05.exef763aa0.exe

description	pid	process
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1968	f761f05.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe
Token: SeDebugPrivilege	1648	f763aa0.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761f05.exef763aa0.exe

description	pid	process	target process
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2208	2268	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1968	2208	rundll32.exe	f761f05.exe
PID 2208 wrote to memory of 1968	2208	rundll32.exe	f761f05.exe
PID 2208 wrote to memory of 1968	2208	rundll32.exe	f761f05.exe
PID 2208 wrote to memory of 1968	2208	rundll32.exe	f761f05.exe
PID 1968 wrote to memory of 1068	1968	f761f05.exe	taskhost.exe
PID 1968 wrote to memory of 1144	1968	f761f05.exe	Dwm.exe
PID 1968 wrote to memory of 1192	1968	f761f05.exe	Explorer.EXE
PID 1968 wrote to memory of 2396	1968	f761f05.exe	DllHost.exe
PID 1968 wrote to memory of 2268	1968	f761f05.exe	rundll32.exe
PID 1968 wrote to memory of 2208	1968	f761f05.exe	rundll32.exe
PID 1968 wrote to memory of 2208	1968	f761f05.exe	rundll32.exe
PID 2208 wrote to memory of 2576	2208	rundll32.exe	f76209b.exe
PID 2208 wrote to memory of 2576	2208	rundll32.exe	f76209b.exe
PID 2208 wrote to memory of 2576	2208	rundll32.exe	f76209b.exe
PID 2208 wrote to memory of 2576	2208	rundll32.exe	f76209b.exe
PID 2208 wrote to memory of 1648	2208	rundll32.exe	f763aa0.exe
PID 2208 wrote to memory of 1648	2208	rundll32.exe	f763aa0.exe
PID 2208 wrote to memory of 1648	2208	rundll32.exe	f763aa0.exe
PID 2208 wrote to memory of 1648	2208	rundll32.exe	f763aa0.exe
PID 1968 wrote to memory of 1068	1968	f761f05.exe	taskhost.exe
PID 1968 wrote to memory of 1144	1968	f761f05.exe	Dwm.exe
PID 1968 wrote to memory of 1192	1968	f761f05.exe	Explorer.EXE
PID 1968 wrote to memory of 2576	1968	f761f05.exe	f76209b.exe
PID 1968 wrote to memory of 2576	1968	f761f05.exe	f76209b.exe
PID 1968 wrote to memory of 1648	1968	f761f05.exe	f763aa0.exe
PID 1968 wrote to memory of 1648	1968	f761f05.exe	f763aa0.exe
PID 1648 wrote to memory of 1068	1648	f763aa0.exe	taskhost.exe
PID 1648 wrote to memory of 1144	1648	f763aa0.exe	Dwm.exe
PID 1648 wrote to memory of 1192	1648	f763aa0.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761f05.exef763aa0.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"	f763aa0.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37b5ef720d91e0952c36ef51136d5b594b1603dd9ba156890fb9a0b0cae05124.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2268

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37b5ef720d91e0952c36ef51136d5b594b1603dd9ba156890fb9a0b0cae05124.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208

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:1968

C:\Users\Admin\AppData\Local\Temp\f76209b.exe
C:\Users\Admin\AppData\Local\Temp\f76209b.exe
4⤵
- Executes dropped EXE
PID:2576

C:\Users\Admin\AppData\Local\Temp\f763aa0.exe
C:\Users\Admin\AppData\Local\Temp\f763aa0.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:1648

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2396

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