sality | 2acbf4c90d074db6004ae8b0d2250965e8a95f1f144d47196245256b21c1dc83

Windows Service

T1543.003

Processes:

f761e4a.exef76204d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761e4a.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

T1562.001

Modify Registry

Processes:

f761e4a.exef76204d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76204d.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f76204d.exef761e4a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76204d.exe

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

Processes:

resource	yara_rule
behavioral1/memory/1744-21-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-19-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-15-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-18-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-16-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-20-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-24-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-23-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-17-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-22-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-64-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-65-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-66-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-79-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-80-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-82-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-102-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-105-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-106-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-109-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-110-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1744-145-0x0000000000960000-0x0000000001A1A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-169-0x0000000000930000-0x00000000019EA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2192-174-0x0000000000930000-0x00000000019EA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 28 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1744-21-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-19-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-15-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-18-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-16-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-20-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-24-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-23-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/2192-63-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1744-17-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-22-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-64-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-65-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-66-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-79-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-80-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-82-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-102-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-105-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-106-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-109-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-110-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/1744-144-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1744-145-0x0000000000960000-0x0000000001A1A000-memory.dmp	UPX
behavioral1/memory/2192-169-0x0000000000930000-0x00000000019EA000-memory.dmp	UPX
behavioral1/memory/2192-174-0x0000000000930000-0x00000000019EA000-memory.dmp	UPX
behavioral1/memory/2192-175-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/3044-179-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761e4a.exef76204d.exef763a42.exe

pid process

1744 f761e4a.exe
2192 f76204d.exe
3044 f763a42.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2120 rundll32.exe
2120 rundll32.exe
2120 rundll32.exe
2120 rundll32.exe
2120 rundll32.exe
2120 rundll32.exe

pid	process
1744	f761e4a.exe
2192	f76204d.exe
3044	f763a42.exe

pid	process
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1744-21-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-19-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-15-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-18-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-16-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-20-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-24-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-23-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-17-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-22-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-64-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-65-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-66-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-79-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-80-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-82-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-102-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-105-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-106-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-109-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-110-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1744-145-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/2192-169-0x0000000000930000-0x00000000019EA000-memory.dmp	upx
behavioral1/memory/2192-174-0x0000000000930000-0x00000000019EA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f76204d.exef761e4a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76204d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76204d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76204d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761e4a.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761e4a.exef76204d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76204d.exe

Enumerates connected drives 3 TTPs 10 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:

f761e4a.exe

description	ioc	process
File opened (read-only)	\??\E:	f761e4a.exe
File opened (read-only)	\??\H:	f761e4a.exe
File opened (read-only)	\??\L:	f761e4a.exe
File opened (read-only)	\??\M:	f761e4a.exe
File opened (read-only)	\??\G:	f761e4a.exe
File opened (read-only)	\??\I:	f761e4a.exe
File opened (read-only)	\??\J:	f761e4a.exe
File opened (read-only)	\??\K:	f761e4a.exe
File opened (read-only)	\??\N:	f761e4a.exe
File opened (read-only)	\??\O:	f761e4a.exe

Drops file in Windows directory 3 IoCs

Processes:

f761e4a.exef76204d.exe

description	ioc	process
File created	C:\Windows\f761f05	f761e4a.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761e4a.exe
File created	C:\Windows\f766ee9	f76204d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761e4a.exef76204d.exe

pid process

1744 f761e4a.exe
1744 f761e4a.exe
2192 f76204d.exe

pid	process
1744	f761e4a.exe
1744	f761e4a.exe
2192	f76204d.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761e4a.exef76204d.exe

description	pid	process
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	1744	f761e4a.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe
Token: SeDebugPrivilege	2192	f76204d.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761e4a.exef76204d.exe

description	pid	process	target process
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 2120	2932	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 1744	2120	rundll32.exe	f761e4a.exe
PID 2120 wrote to memory of 1744	2120	rundll32.exe	f761e4a.exe
PID 2120 wrote to memory of 1744	2120	rundll32.exe	f761e4a.exe
PID 2120 wrote to memory of 1744	2120	rundll32.exe	f761e4a.exe
PID 1744 wrote to memory of 1112	1744	f761e4a.exe	taskhost.exe
PID 1744 wrote to memory of 1164	1744	f761e4a.exe	Dwm.exe
PID 1744 wrote to memory of 1232	1744	f761e4a.exe	Explorer.EXE
PID 1744 wrote to memory of 2004	1744	f761e4a.exe	DllHost.exe
PID 1744 wrote to memory of 2932	1744	f761e4a.exe	rundll32.exe
PID 1744 wrote to memory of 2120	1744	f761e4a.exe	rundll32.exe
PID 1744 wrote to memory of 2120	1744	f761e4a.exe	rundll32.exe
PID 2120 wrote to memory of 2192	2120	rundll32.exe	f76204d.exe
PID 2120 wrote to memory of 2192	2120	rundll32.exe	f76204d.exe
PID 2120 wrote to memory of 2192	2120	rundll32.exe	f76204d.exe
PID 2120 wrote to memory of 2192	2120	rundll32.exe	f76204d.exe
PID 2120 wrote to memory of 3044	2120	rundll32.exe	f763a42.exe
PID 2120 wrote to memory of 3044	2120	rundll32.exe	f763a42.exe
PID 2120 wrote to memory of 3044	2120	rundll32.exe	f763a42.exe
PID 2120 wrote to memory of 3044	2120	rundll32.exe	f763a42.exe
PID 1744 wrote to memory of 1112	1744	f761e4a.exe	taskhost.exe
PID 1744 wrote to memory of 1164	1744	f761e4a.exe	Dwm.exe
PID 1744 wrote to memory of 1232	1744	f761e4a.exe	Explorer.EXE
PID 1744 wrote to memory of 2192	1744	f761e4a.exe	f76204d.exe
PID 1744 wrote to memory of 2192	1744	f761e4a.exe	f76204d.exe
PID 1744 wrote to memory of 3044	1744	f761e4a.exe	f763a42.exe
PID 1744 wrote to memory of 3044	1744	f761e4a.exe	f763a42.exe
PID 2192 wrote to memory of 1112	2192	f76204d.exe	taskhost.exe
PID 2192 wrote to memory of 1164	2192	f76204d.exe	Dwm.exe
PID 2192 wrote to memory of 1232	2192	f76204d.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761e4a.exef76204d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761e4a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76204d.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2acbf4c90d074db6004ae8b0d2250965e8a95f1f144d47196245256b21c1dc83.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2932

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2acbf4c90d074db6004ae8b0d2250965e8a95f1f144d47196245256b21c1dc83.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2120

C:\Users\Admin\AppData\Local\Temp\f761e4a.exe
C:\Users\Admin\AppData\Local\Temp\f761e4a.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:1744

C:\Users\Admin\AppData\Local\Temp\f76204d.exe
C:\Users\Admin\AppData\Local\Temp\f76204d.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:2192

C:\Users\Admin\AppData\Local\Temp\f763a42.exe
C:\Users\Admin\AppData\Local\Temp\f763a42.exe
4⤵
- Executes dropped EXE
PID:3044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control