sality | 654c3c819cba323e39c0b0559e00fdb8ebc1158afe4737f14c5f65b4a7308d7e

Windows Service

T1543.003

Processes:

f761b00.exef761989.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761b00.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:

f761989.exef761b00.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761b00.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f761b00.exef761989.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761b00.exe

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-12-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-17-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-20-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-16-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-14-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-18-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-19-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-15-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-21-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-22-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-61-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-62-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-63-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-65-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-64-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-67-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-68-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-82-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-85-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-86-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-106-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-107-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-120-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2216-156-0x00000000006D0000-0x000000000178A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2676-168-0x0000000000940000-0x00000000019FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2676-189-0x0000000000940000-0x00000000019FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 30 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-12-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-17-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-20-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-16-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-14-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-18-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-19-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-15-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-21-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2676-60-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2216-22-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-61-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-62-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-63-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-65-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-64-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-67-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-68-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-82-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-85-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-86-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-106-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-107-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-120-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2216-154-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2216-156-0x00000000006D0000-0x000000000178A000-memory.dmp	UPX
behavioral1/memory/2676-168-0x0000000000940000-0x00000000019FA000-memory.dmp	UPX
behavioral1/memory/2676-190-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2676-189-0x0000000000940000-0x00000000019FA000-memory.dmp	UPX
behavioral1/memory/1700-194-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761989.exef761b00.exef763553.exe

pid process

2216 f761989.exe
2676 f761b00.exe
1700 f763553.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2076 rundll32.exe
2076 rundll32.exe
2076 rundll32.exe
2076 rundll32.exe
2076 rundll32.exe
2076 rundll32.exe

pid	process
2216	f761989.exe
2676	f761b00.exe
1700	f763553.exe

pid	process
2076	rundll32.exe
2076	rundll32.exe
2076	rundll32.exe
2076	rundll32.exe
2076	rundll32.exe
2076	rundll32.exe

UPX packed file 26 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2216-12-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-17-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-20-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-16-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-14-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-18-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-19-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-15-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-21-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-22-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-61-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-62-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-63-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-65-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-64-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-67-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-68-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-82-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-85-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-86-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-106-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-107-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-120-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2216-156-0x00000000006D0000-0x000000000178A000-memory.dmp	upx
behavioral1/memory/2676-168-0x0000000000940000-0x00000000019FA000-memory.dmp	upx
behavioral1/memory/2676-189-0x0000000000940000-0x00000000019FA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f761b00.exef761989.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761b00.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761b00.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761989.exef761b00.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761b00.exe

Enumerates connected drives 3 TTPs 15 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:

f761989.exe

description	ioc	process
File opened (read-only)	\??\H:	f761989.exe
File opened (read-only)	\??\Q:	f761989.exe
File opened (read-only)	\??\R:	f761989.exe
File opened (read-only)	\??\K:	f761989.exe
File opened (read-only)	\??\S:	f761989.exe
File opened (read-only)	\??\I:	f761989.exe
File opened (read-only)	\??\J:	f761989.exe
File opened (read-only)	\??\L:	f761989.exe
File opened (read-only)	\??\N:	f761989.exe
File opened (read-only)	\??\T:	f761989.exe
File opened (read-only)	\??\E:	f761989.exe
File opened (read-only)	\??\G:	f761989.exe
File opened (read-only)	\??\M:	f761989.exe
File opened (read-only)	\??\O:	f761989.exe
File opened (read-only)	\??\P:	f761989.exe

Drops file in Windows directory 3 IoCs

Processes:

f761989.exef761b00.exe

description	ioc	process
File created	C:\Windows\f7619e7	f761989.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761989.exe
File created	C:\Windows\f7669f9	f761b00.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761989.exef761b00.exe

pid process

2216 f761989.exe
2216 f761989.exe
2676 f761b00.exe

pid	process
2216	f761989.exe
2216	f761989.exe
2676	f761b00.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761989.exef761b00.exe

description	pid	process
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2216	f761989.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe
Token: SeDebugPrivilege	2676	f761b00.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761989.exef761b00.exe

description	pid	process	target process
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2076	2276	rundll32.exe	rundll32.exe
PID 2076 wrote to memory of 2216	2076	rundll32.exe	f761989.exe
PID 2076 wrote to memory of 2216	2076	rundll32.exe	f761989.exe
PID 2076 wrote to memory of 2216	2076	rundll32.exe	f761989.exe
PID 2076 wrote to memory of 2216	2076	rundll32.exe	f761989.exe
PID 2216 wrote to memory of 1128	2216	f761989.exe	taskhost.exe
PID 2216 wrote to memory of 1196	2216	f761989.exe	Dwm.exe
PID 2216 wrote to memory of 1256	2216	f761989.exe	Explorer.EXE
PID 2216 wrote to memory of 1660	2216	f761989.exe	DllHost.exe
PID 2216 wrote to memory of 2276	2216	f761989.exe	rundll32.exe
PID 2216 wrote to memory of 2076	2216	f761989.exe	rundll32.exe
PID 2216 wrote to memory of 2076	2216	f761989.exe	rundll32.exe
PID 2076 wrote to memory of 2676	2076	rundll32.exe	f761b00.exe
PID 2076 wrote to memory of 2676	2076	rundll32.exe	f761b00.exe
PID 2076 wrote to memory of 2676	2076	rundll32.exe	f761b00.exe
PID 2076 wrote to memory of 2676	2076	rundll32.exe	f761b00.exe
PID 2076 wrote to memory of 1700	2076	rundll32.exe	f763553.exe
PID 2076 wrote to memory of 1700	2076	rundll32.exe	f763553.exe
PID 2076 wrote to memory of 1700	2076	rundll32.exe	f763553.exe
PID 2076 wrote to memory of 1700	2076	rundll32.exe	f763553.exe
PID 2216 wrote to memory of 1128	2216	f761989.exe	taskhost.exe
PID 2216 wrote to memory of 1196	2216	f761989.exe	Dwm.exe
PID 2216 wrote to memory of 1256	2216	f761989.exe	Explorer.EXE
PID 2216 wrote to memory of 2676	2216	f761989.exe	f761b00.exe
PID 2216 wrote to memory of 2676	2216	f761989.exe	f761b00.exe
PID 2216 wrote to memory of 1700	2216	f761989.exe	f763553.exe
PID 2216 wrote to memory of 1700	2216	f761989.exe	f763553.exe
PID 2676 wrote to memory of 1128	2676	f761b00.exe	taskhost.exe
PID 2676 wrote to memory of 1196	2676	f761b00.exe	Dwm.exe
PID 2676 wrote to memory of 1256	2676	f761b00.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761989.exef761b00.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761b00.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\654c3c819cba323e39c0b0559e00fdb8ebc1158afe4737f14c5f65b4a7308d7e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\654c3c819cba323e39c0b0559e00fdb8ebc1158afe4737f14c5f65b4a7308d7e.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2076

C:\Users\Admin\AppData\Local\Temp\f761989.exe
C:\Users\Admin\AppData\Local\Temp\f761989.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:2216

C:\Users\Admin\AppData\Local\Temp\f761b00.exe
C:\Users\Admin\AppData\Local\Temp\f761b00.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:2676

C:\Users\Admin\AppData\Local\Temp\f763553.exe
C:\Users\Admin\AppData\Local\Temp\f763553.exe
4⤵
- Executes dropped EXE
PID:1700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1660

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