sality | 07de2e74ad0d4f979e5d40276151d19a11db4a463435650ba85056647037dc34

Windows Service

T1543.003

Processes:

f761610.exef7631f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7631f9.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:

f761610.exef7631f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7631f9.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761610.exef7631f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761610.exe

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

Processes:

resource	yara_rule
behavioral1/memory/2972-13-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-10-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-14-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-15-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-18-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-21-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-23-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-26-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-35-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-30-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-57-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-58-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-59-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-60-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-61-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-63-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-76-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-79-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-81-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-83-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-102-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2972-141-0x0000000000590000-0x000000000164A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2500-147-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2500-189-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 29 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2972-13-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-10-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-11-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2972-14-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-15-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-18-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-21-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-23-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-26-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-35-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2996-51-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2972-30-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-57-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-58-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-59-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-60-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-61-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-63-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-76-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2500-77-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2972-79-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-81-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-83-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-102-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2972-141-0x0000000000590000-0x000000000164A000-memory.dmp	UPX
behavioral1/memory/2996-145-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2500-147-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2500-189-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2500-190-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761610.exef761bbb.exef7631f9.exe

pid process

2972 f761610.exe
2996 f761bbb.exe
2500 f7631f9.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
2972	f761610.exe
2996	f761bbb.exe
2500	f7631f9.exe

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

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2972-13-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-10-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-14-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-15-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-18-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-21-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-23-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-26-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-35-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-30-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-57-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-58-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-59-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-60-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-61-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-63-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-76-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-79-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-81-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-83-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-102-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2972-141-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2500-147-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/2500-189-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761610.exef7631f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761610.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7631f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7631f9.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f7631f9.exef761610.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7631f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761610.exe

Enumerates connected drives 3 TTPs 14 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:

f761610.exef7631f9.exe

description	ioc	process
File opened (read-only)	\??\E:	f761610.exe
File opened (read-only)	\??\G:	f761610.exe
File opened (read-only)	\??\I:	f761610.exe
File opened (read-only)	\??\J:	f761610.exe
File opened (read-only)	\??\L:	f761610.exe
File opened (read-only)	\??\N:	f761610.exe
File opened (read-only)	\??\P:	f761610.exe
File opened (read-only)	\??\R:	f761610.exe
File opened (read-only)	\??\M:	f761610.exe
File opened (read-only)	\??\O:	f761610.exe
File opened (read-only)	\??\Q:	f761610.exe
File opened (read-only)	\??\H:	f761610.exe
File opened (read-only)	\??\K:	f761610.exe
File opened (read-only)	\??\E:	f7631f9.exe

Drops file in Windows directory 3 IoCs

Processes:

f761610.exef7631f9.exe

description	ioc	process
File created	C:\Windows\f76167d	f761610.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761610.exe
File created	C:\Windows\f766cc7	f7631f9.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761610.exef7631f9.exe

pid process

2972 f761610.exe
2972 f761610.exe
2500 f7631f9.exe

pid	process
2972	f761610.exe
2972	f761610.exe
2500	f7631f9.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761610.exef7631f9.exe

description	pid	process
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2972	f761610.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe
Token: SeDebugPrivilege	2500	f7631f9.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761610.exef7631f9.exe

description	pid	process	target process
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2076	2192	rundll32.exe	rundll32.exe
PID 2076 wrote to memory of 2972	2076	rundll32.exe	f761610.exe
PID 2076 wrote to memory of 2972	2076	rundll32.exe	f761610.exe
PID 2076 wrote to memory of 2972	2076	rundll32.exe	f761610.exe
PID 2076 wrote to memory of 2972	2076	rundll32.exe	f761610.exe
PID 2972 wrote to memory of 1060	2972	f761610.exe	Dwm.exe
PID 2972 wrote to memory of 1088	2972	f761610.exe	Explorer.EXE
PID 2972 wrote to memory of 1128	2972	f761610.exe	taskhost.exe
PID 2972 wrote to memory of 288	2972	f761610.exe	DllHost.exe
PID 2972 wrote to memory of 2192	2972	f761610.exe	rundll32.exe
PID 2972 wrote to memory of 2076	2972	f761610.exe	rundll32.exe
PID 2972 wrote to memory of 2076	2972	f761610.exe	rundll32.exe
PID 2076 wrote to memory of 2996	2076	rundll32.exe	f761bbb.exe
PID 2076 wrote to memory of 2996	2076	rundll32.exe	f761bbb.exe
PID 2076 wrote to memory of 2996	2076	rundll32.exe	f761bbb.exe
PID 2076 wrote to memory of 2996	2076	rundll32.exe	f761bbb.exe
PID 2076 wrote to memory of 2500	2076	rundll32.exe	f7631f9.exe
PID 2076 wrote to memory of 2500	2076	rundll32.exe	f7631f9.exe
PID 2076 wrote to memory of 2500	2076	rundll32.exe	f7631f9.exe
PID 2076 wrote to memory of 2500	2076	rundll32.exe	f7631f9.exe
PID 2972 wrote to memory of 1060	2972	f761610.exe	Dwm.exe
PID 2972 wrote to memory of 1088	2972	f761610.exe	Explorer.EXE
PID 2972 wrote to memory of 1128	2972	f761610.exe	taskhost.exe
PID 2972 wrote to memory of 2996	2972	f761610.exe	f761bbb.exe
PID 2972 wrote to memory of 2996	2972	f761610.exe	f761bbb.exe
PID 2972 wrote to memory of 2500	2972	f761610.exe	f7631f9.exe
PID 2972 wrote to memory of 2500	2972	f761610.exe	f7631f9.exe
PID 2500 wrote to memory of 1060	2500	f7631f9.exe	Dwm.exe
PID 2500 wrote to memory of 1088	2500	f7631f9.exe	Explorer.EXE
PID 2500 wrote to memory of 1128	2500	f7631f9.exe	taskhost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761610.exef7631f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761610.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7631f9.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1088

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\07de2e74ad0d4f979e5d40276151d19a11db4a463435650ba85056647037dc34.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\07de2e74ad0d4f979e5d40276151d19a11db4a463435650ba85056647037dc34.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2076

C:\Users\Admin\AppData\Local\Temp\f761610.exe
C:\Users\Admin\AppData\Local\Temp\f761610.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:2972

C:\Users\Admin\AppData\Local\Temp\f761bbb.exe
C:\Users\Admin\AppData\Local\Temp\f761bbb.exe
4⤵
- Executes dropped EXE
PID:2996

C:\Users\Admin\AppData\Local\Temp\f7631f9.exe
C:\Users\Admin\AppData\Local\Temp\f7631f9.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:2500

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:288

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