sality | d43c86d213f307f16cb5e4afbaa1e07a9be28b9ed9928c2b138451d8fbb633b2

Windows Service

T1543.003

Processes:

f75fe2d.exef7619a8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7619a8.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:

f75fe2d.exef7619a8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7619a8.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f75fe2d.exef7619a8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7619a8.exe

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

Processes:

resource	yara_rule
behavioral1/memory/2600-13-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-19-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-15-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-20-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-16-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-22-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-18-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-21-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-17-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-23-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-61-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-60-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-62-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-64-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-63-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-66-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-67-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-82-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-83-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-85-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-103-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-87-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2600-152-0x0000000000690000-0x000000000174A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1048-169-0x0000000000940000-0x00000000019FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1048-208-0x0000000000940000-0x00000000019FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 29 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2600-13-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-19-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-15-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-20-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-16-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-22-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-18-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-21-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-17-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2420-59-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2600-23-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-61-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-60-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-62-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-64-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-63-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-66-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-67-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-82-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-83-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-85-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-103-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-87-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/2600-153-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2420-157-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2600-152-0x0000000000690000-0x000000000174A000-memory.dmp	UPX
behavioral1/memory/1048-169-0x0000000000940000-0x00000000019FA000-memory.dmp	UPX
behavioral1/memory/1048-207-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1048-208-0x0000000000940000-0x00000000019FA000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f75fe2d.exef760001.exef7619a8.exe

pid process

2600 f75fe2d.exe
2420 f760001.exe
1048 f7619a8.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

1636 rundll32.exe
1636 rundll32.exe
1636 rundll32.exe
1636 rundll32.exe
1636 rundll32.exe
1636 rundll32.exe

pid	process
2600	f75fe2d.exe
2420	f760001.exe
1048	f7619a8.exe

pid	process
1636	rundll32.exe
1636	rundll32.exe
1636	rundll32.exe
1636	rundll32.exe
1636	rundll32.exe
1636	rundll32.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2600-13-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-19-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-15-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-20-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-16-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-22-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-18-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-21-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-17-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-23-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-61-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-60-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-62-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-64-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-63-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-66-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-67-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-82-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-83-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-85-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-103-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-87-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2600-152-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/1048-169-0x0000000000940000-0x00000000019FA000-memory.dmp	upx
behavioral1/memory/1048-208-0x0000000000940000-0x00000000019FA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f75fe2d.exef7619a8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f75fe2d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7619a8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7619a8.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f7619a8.exef75fe2d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7619a8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f75fe2d.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:

f75fe2d.exef7619a8.exe

description	ioc	process
File opened (read-only)	\??\M:	f75fe2d.exe
File opened (read-only)	\??\T:	f75fe2d.exe
File opened (read-only)	\??\E:	f75fe2d.exe
File opened (read-only)	\??\I:	f75fe2d.exe
File opened (read-only)	\??\O:	f75fe2d.exe
File opened (read-only)	\??\P:	f75fe2d.exe
File opened (read-only)	\??\R:	f75fe2d.exe
File opened (read-only)	\??\S:	f75fe2d.exe
File opened (read-only)	\??\G:	f7619a8.exe
File opened (read-only)	\??\G:	f75fe2d.exe
File opened (read-only)	\??\K:	f75fe2d.exe
File opened (read-only)	\??\Q:	f75fe2d.exe
File opened (read-only)	\??\E:	f7619a8.exe
File opened (read-only)	\??\J:	f75fe2d.exe
File opened (read-only)	\??\L:	f75fe2d.exe
File opened (read-only)	\??\H:	f75fe2d.exe
File opened (read-only)	\??\N:	f75fe2d.exe

Drops file in Windows directory 3 IoCs

Processes:

f75fe2d.exef7619a8.exe

description	ioc	process
File created	C:\Windows\f75fe8a	f75fe2d.exe
File opened for modification	C:\Windows\SYSTEM.INI	f75fe2d.exe
File created	C:\Windows\f764f1a	f7619a8.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f75fe2d.exef7619a8.exe

pid process

2600 f75fe2d.exe
2600 f75fe2d.exe
1048 f7619a8.exe

pid	process
2600	f75fe2d.exe
2600	f75fe2d.exe
1048	f7619a8.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f75fe2d.exef7619a8.exe

description	pid	process
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	2600	f75fe2d.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe
Token: SeDebugPrivilege	1048	f7619a8.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef75fe2d.exef7619a8.exe

description	pid	process	target process
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1636	1680	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2600	1636	rundll32.exe	f75fe2d.exe
PID 1636 wrote to memory of 2600	1636	rundll32.exe	f75fe2d.exe
PID 1636 wrote to memory of 2600	1636	rundll32.exe	f75fe2d.exe
PID 1636 wrote to memory of 2600	1636	rundll32.exe	f75fe2d.exe
PID 2600 wrote to memory of 1056	2600	f75fe2d.exe	Dwm.exe
PID 2600 wrote to memory of 1100	2600	f75fe2d.exe	Explorer.EXE
PID 2600 wrote to memory of 1116	2600	f75fe2d.exe	taskhost.exe
PID 2600 wrote to memory of 2180	2600	f75fe2d.exe	DllHost.exe
PID 2600 wrote to memory of 1680	2600	f75fe2d.exe	rundll32.exe
PID 2600 wrote to memory of 1636	2600	f75fe2d.exe	rundll32.exe
PID 2600 wrote to memory of 1636	2600	f75fe2d.exe	rundll32.exe
PID 1636 wrote to memory of 2420	1636	rundll32.exe	f760001.exe
PID 1636 wrote to memory of 2420	1636	rundll32.exe	f760001.exe
PID 1636 wrote to memory of 2420	1636	rundll32.exe	f760001.exe
PID 1636 wrote to memory of 2420	1636	rundll32.exe	f760001.exe
PID 1636 wrote to memory of 1048	1636	rundll32.exe	f7619a8.exe
PID 1636 wrote to memory of 1048	1636	rundll32.exe	f7619a8.exe
PID 1636 wrote to memory of 1048	1636	rundll32.exe	f7619a8.exe
PID 1636 wrote to memory of 1048	1636	rundll32.exe	f7619a8.exe
PID 2600 wrote to memory of 1056	2600	f75fe2d.exe	Dwm.exe
PID 2600 wrote to memory of 1100	2600	f75fe2d.exe	Explorer.EXE
PID 2600 wrote to memory of 1116	2600	f75fe2d.exe	taskhost.exe
PID 2600 wrote to memory of 2420	2600	f75fe2d.exe	f760001.exe
PID 2600 wrote to memory of 2420	2600	f75fe2d.exe	f760001.exe
PID 2600 wrote to memory of 1048	2600	f75fe2d.exe	f7619a8.exe
PID 2600 wrote to memory of 1048	2600	f75fe2d.exe	f7619a8.exe
PID 1048 wrote to memory of 1056	1048	f7619a8.exe	Dwm.exe
PID 1048 wrote to memory of 1100	1048	f7619a8.exe	Explorer.EXE
PID 1048 wrote to memory of 1116	1048	f7619a8.exe	taskhost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f75fe2d.exef7619a8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f75fe2d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7619a8.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1100

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d43c86d213f307f16cb5e4afbaa1e07a9be28b9ed9928c2b138451d8fbb633b2.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d43c86d213f307f16cb5e4afbaa1e07a9be28b9ed9928c2b138451d8fbb633b2.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636

C:\Users\Admin\AppData\Local\Temp\f75fe2d.exe
C:\Users\Admin\AppData\Local\Temp\f75fe2d.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:2600

C:\Users\Admin\AppData\Local\Temp\f760001.exe
C:\Users\Admin\AppData\Local\Temp\f760001.exe
4⤵
- Executes dropped EXE
PID:2420

C:\Users\Admin\AppData\Local\Temp\f7619a8.exe
C:\Users\Admin\AppData\Local\Temp\f7619a8.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:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2180

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