sality | 8c7859818c915aa9b5d35f88e9dcd1d51639a3ab54312e61f52807fa443da920

Windows Service

T1543.003

Processes:

f760a4d.exef760bd3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f760a4d.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:

f760a4d.exef760bd3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760bd3.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f760bd3.exef760a4d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f760bd3.exe

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 23 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-14-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-15-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-17-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-19-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-16-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-12-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-22-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-20-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-21-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-18-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-62-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-63-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-64-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-65-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-66-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-68-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-81-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-82-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-102-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-106-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2768-146-0x00000000006B0000-0x000000000176A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2388-154-0x0000000000A10000-0x0000000001ACA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2388-181-0x0000000000A10000-0x0000000001ACA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 28 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-11-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2768-14-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-15-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-17-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-19-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-16-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-12-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-22-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-20-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-21-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-18-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2388-61-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2768-62-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-63-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-64-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-65-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-66-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-68-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-81-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-82-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-102-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-106-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2768-145-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2768-146-0x00000000006B0000-0x000000000176A000-memory.dmp	UPX
behavioral1/memory/2388-154-0x0000000000A10000-0x0000000001ACA000-memory.dmp	UPX
behavioral1/memory/2388-181-0x0000000000A10000-0x0000000001ACA000-memory.dmp	UPX
behavioral1/memory/2388-180-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/3056-185-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f760a4d.exef760bd3.exef762b93.exe

pid process

2768 f760a4d.exe
2388 f760bd3.exe
3056 f762b93.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2960 rundll32.exe
2960 rundll32.exe
2960 rundll32.exe
2960 rundll32.exe
2960 rundll32.exe
2960 rundll32.exe

pid	process
2768	f760a4d.exe
2388	f760bd3.exe
3056	f762b93.exe

pid	process
2960	rundll32.exe
2960	rundll32.exe
2960	rundll32.exe
2960	rundll32.exe
2960	rundll32.exe
2960	rundll32.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2768-14-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-15-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-17-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-19-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-16-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-12-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-22-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-20-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-21-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-18-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-62-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-63-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-64-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-65-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-66-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-68-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-81-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-82-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-102-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-106-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2768-146-0x00000000006B0000-0x000000000176A000-memory.dmp	upx
behavioral1/memory/2388-154-0x0000000000A10000-0x0000000001ACA000-memory.dmp	upx
behavioral1/memory/2388-181-0x0000000000A10000-0x0000000001ACA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f760a4d.exef760bd3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f760a4d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f760a4d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f760bd3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f760bd3.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f760a4d.exef760bd3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760bd3.exe

Enumerates connected drives 3 TTPs 12 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:

f760a4d.exe

description	ioc	process
File opened (read-only)	\??\L:	f760a4d.exe
File opened (read-only)	\??\P:	f760a4d.exe
File opened (read-only)	\??\E:	f760a4d.exe
File opened (read-only)	\??\G:	f760a4d.exe
File opened (read-only)	\??\J:	f760a4d.exe
File opened (read-only)	\??\K:	f760a4d.exe
File opened (read-only)	\??\O:	f760a4d.exe
File opened (read-only)	\??\Q:	f760a4d.exe
File opened (read-only)	\??\H:	f760a4d.exe
File opened (read-only)	\??\I:	f760a4d.exe
File opened (read-only)	\??\M:	f760a4d.exe
File opened (read-only)	\??\N:	f760a4d.exe

Drops file in Windows directory 3 IoCs

Processes:

f760bd3.exef760a4d.exe

description	ioc	process
File created	C:\Windows\f765abd	f760bd3.exe
File created	C:\Windows\f760a9b	f760a4d.exe
File opened for modification	C:\Windows\SYSTEM.INI	f760a4d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f760a4d.exef760bd3.exe

pid process

2768 f760a4d.exe
2768 f760a4d.exe
2388 f760bd3.exe

pid	process
2768	f760a4d.exe
2768	f760a4d.exe
2388	f760bd3.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f760a4d.exef760bd3.exe

description	pid	process
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2768	f760a4d.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe
Token: SeDebugPrivilege	2388	f760bd3.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef760a4d.exef760bd3.exe

description	pid	process	target process
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2960	2900	rundll32.exe	rundll32.exe
PID 2960 wrote to memory of 2768	2960	rundll32.exe	f760a4d.exe
PID 2960 wrote to memory of 2768	2960	rundll32.exe	f760a4d.exe
PID 2960 wrote to memory of 2768	2960	rundll32.exe	f760a4d.exe
PID 2960 wrote to memory of 2768	2960	rundll32.exe	f760a4d.exe
PID 2768 wrote to memory of 1236	2768	f760a4d.exe	taskhost.exe
PID 2768 wrote to memory of 1340	2768	f760a4d.exe	Dwm.exe
PID 2768 wrote to memory of 1380	2768	f760a4d.exe	Explorer.EXE
PID 2768 wrote to memory of 1680	2768	f760a4d.exe	DllHost.exe
PID 2768 wrote to memory of 2900	2768	f760a4d.exe	rundll32.exe
PID 2768 wrote to memory of 2960	2768	f760a4d.exe	rundll32.exe
PID 2768 wrote to memory of 2960	2768	f760a4d.exe	rundll32.exe
PID 2960 wrote to memory of 2388	2960	rundll32.exe	f760bd3.exe
PID 2960 wrote to memory of 2388	2960	rundll32.exe	f760bd3.exe
PID 2960 wrote to memory of 2388	2960	rundll32.exe	f760bd3.exe
PID 2960 wrote to memory of 2388	2960	rundll32.exe	f760bd3.exe
PID 2960 wrote to memory of 3056	2960	rundll32.exe	f762b93.exe
PID 2960 wrote to memory of 3056	2960	rundll32.exe	f762b93.exe
PID 2960 wrote to memory of 3056	2960	rundll32.exe	f762b93.exe
PID 2960 wrote to memory of 3056	2960	rundll32.exe	f762b93.exe
PID 2768 wrote to memory of 1236	2768	f760a4d.exe	taskhost.exe
PID 2768 wrote to memory of 1340	2768	f760a4d.exe	Dwm.exe
PID 2768 wrote to memory of 1380	2768	f760a4d.exe	Explorer.EXE
PID 2768 wrote to memory of 2388	2768	f760a4d.exe	f760bd3.exe
PID 2768 wrote to memory of 2388	2768	f760a4d.exe	f760bd3.exe
PID 2768 wrote to memory of 3056	2768	f760a4d.exe	f762b93.exe
PID 2768 wrote to memory of 3056	2768	f760a4d.exe	f762b93.exe
PID 2388 wrote to memory of 1236	2388	f760bd3.exe	taskhost.exe
PID 2388 wrote to memory of 1340	2388	f760bd3.exe	Dwm.exe
PID 2388 wrote to memory of 1380	2388	f760bd3.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f760a4d.exef760bd3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760a4d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f760bd3.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1236

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1380

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c7859818c915aa9b5d35f88e9dcd1d51639a3ab54312e61f52807fa443da920.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2900

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c7859818c915aa9b5d35f88e9dcd1d51639a3ab54312e61f52807fa443da920.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2960

C:\Users\Admin\AppData\Local\Temp\f760a4d.exe
C:\Users\Admin\AppData\Local\Temp\f760a4d.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:2768

C:\Users\Admin\AppData\Local\Temp\f760bd3.exe
C:\Users\Admin\AppData\Local\Temp\f760bd3.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:2388

C:\Users\Admin\AppData\Local\Temp\f762b93.exe
C:\Users\Admin\AppData\Local\Temp\f762b93.exe
4⤵
- Executes dropped EXE
PID:3056

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1680

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