sality | 1f87a1456c2b2a23e09575a5daad6258bad348b82df60886aa855fd32175fb58

Windows Service

T1543.003

Processes:

f7622fb.exef76407a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76407a.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:

f7622fb.exef76407a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76407a.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f76407a.exef7622fb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76407a.exe

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

Processes:

resource	yara_rule
behavioral1/memory/1032-12-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-15-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-18-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-16-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-20-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-21-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-19-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-29-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-31-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-34-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-33-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-36-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-55-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-61-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-62-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-78-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-79-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-80-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-82-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-84-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-86-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-104-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1032-134-0x0000000000640000-0x00000000016FA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/3064-142-0x0000000000970000-0x0000000001A2A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/3064-176-0x0000000000970000-0x0000000001A2A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 30 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1032-12-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-15-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-13-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1032-18-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-16-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-20-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-21-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-19-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-29-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-31-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-34-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-33-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-36-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/2704-53-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1032-55-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-61-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-62-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/3064-76-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1032-78-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-79-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-80-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-82-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-84-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-86-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-104-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/1032-134-0x0000000000640000-0x00000000016FA000-memory.dmp	UPX
behavioral1/memory/2704-138-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/3064-142-0x0000000000970000-0x0000000001A2A000-memory.dmp	UPX
behavioral1/memory/3064-175-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/3064-176-0x0000000000970000-0x0000000001A2A000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f7622fb.exef763840.exef76407a.exe

pid process

1032 f7622fb.exe
2704 f763840.exe
3064 f76407a.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2376 rundll32.exe
2376 rundll32.exe
2376 rundll32.exe
2376 rundll32.exe
2376 rundll32.exe
2376 rundll32.exe

pid	process
1032	f7622fb.exe
2704	f763840.exe
3064	f76407a.exe

pid	process
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1032-12-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-15-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-18-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-16-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-20-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-21-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-19-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-29-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-31-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-34-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-33-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-36-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-55-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-61-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-62-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-78-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-79-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-80-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-82-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-84-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-86-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-104-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1032-134-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/3064-142-0x0000000000970000-0x0000000001A2A000-memory.dmp	upx
behavioral1/memory/3064-176-0x0000000000970000-0x0000000001A2A000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f7622fb.exef76407a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7622fb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76407a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76407a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76407a.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f7622fb.exef76407a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76407a.exe

Enumerates connected drives 3 TTPs 9 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:

f7622fb.exe

description	ioc	process
File opened (read-only)	\??\H:	f7622fb.exe
File opened (read-only)	\??\I:	f7622fb.exe
File opened (read-only)	\??\J:	f7622fb.exe
File opened (read-only)	\??\K:	f7622fb.exe
File opened (read-only)	\??\L:	f7622fb.exe
File opened (read-only)	\??\E:	f7622fb.exe
File opened (read-only)	\??\G:	f7622fb.exe
File opened (read-only)	\??\M:	f7622fb.exe
File opened (read-only)	\??\N:	f7622fb.exe

Drops file in Windows directory 3 IoCs

Processes:

f7622fb.exef76407a.exe

description	ioc	process
File created	C:\Windows\f7624b0	f7622fb.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7622fb.exe
File created	C:\Windows\f768d61	f76407a.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f7622fb.exef76407a.exe

pid process

1032 f7622fb.exe
1032 f7622fb.exe
3064 f76407a.exe

pid	process
1032	f7622fb.exe
1032	f7622fb.exe
3064	f76407a.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f7622fb.exef76407a.exe

description	pid	process
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	1032	f7622fb.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe
Token: SeDebugPrivilege	3064	f76407a.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef7622fb.exef76407a.exe

description	pid	process	target process
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 1976 wrote to memory of 2376	1976	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 1032	2376	rundll32.exe	f7622fb.exe
PID 2376 wrote to memory of 1032	2376	rundll32.exe	f7622fb.exe
PID 2376 wrote to memory of 1032	2376	rundll32.exe	f7622fb.exe
PID 2376 wrote to memory of 1032	2376	rundll32.exe	f7622fb.exe
PID 1032 wrote to memory of 1124	1032	f7622fb.exe	taskhost.exe
PID 1032 wrote to memory of 1184	1032	f7622fb.exe	Dwm.exe
PID 1032 wrote to memory of 1212	1032	f7622fb.exe	Explorer.EXE
PID 1032 wrote to memory of 1348	1032	f7622fb.exe	DllHost.exe
PID 1032 wrote to memory of 1976	1032	f7622fb.exe	rundll32.exe
PID 1032 wrote to memory of 2376	1032	f7622fb.exe	rundll32.exe
PID 1032 wrote to memory of 2376	1032	f7622fb.exe	rundll32.exe
PID 2376 wrote to memory of 2704	2376	rundll32.exe	f763840.exe
PID 2376 wrote to memory of 2704	2376	rundll32.exe	f763840.exe
PID 2376 wrote to memory of 2704	2376	rundll32.exe	f763840.exe
PID 2376 wrote to memory of 2704	2376	rundll32.exe	f763840.exe
PID 2376 wrote to memory of 3064	2376	rundll32.exe	f76407a.exe
PID 2376 wrote to memory of 3064	2376	rundll32.exe	f76407a.exe
PID 2376 wrote to memory of 3064	2376	rundll32.exe	f76407a.exe
PID 2376 wrote to memory of 3064	2376	rundll32.exe	f76407a.exe
PID 1032 wrote to memory of 1124	1032	f7622fb.exe	taskhost.exe
PID 1032 wrote to memory of 1184	1032	f7622fb.exe	Dwm.exe
PID 1032 wrote to memory of 1212	1032	f7622fb.exe	Explorer.EXE
PID 1032 wrote to memory of 2704	1032	f7622fb.exe	f763840.exe
PID 1032 wrote to memory of 2704	1032	f7622fb.exe	f763840.exe
PID 1032 wrote to memory of 3064	1032	f7622fb.exe	f76407a.exe
PID 1032 wrote to memory of 3064	1032	f7622fb.exe	f76407a.exe
PID 3064 wrote to memory of 1124	3064	f76407a.exe	taskhost.exe
PID 3064 wrote to memory of 1184	3064	f76407a.exe	Dwm.exe
PID 3064 wrote to memory of 1212	3064	f76407a.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f7622fb.exef76407a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7622fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76407a.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f87a1456c2b2a23e09575a5daad6258bad348b82df60886aa855fd32175fb58.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f87a1456c2b2a23e09575a5daad6258bad348b82df60886aa855fd32175fb58.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2376

C:\Users\Admin\AppData\Local\Temp\f7622fb.exe
C:\Users\Admin\AppData\Local\Temp\f7622fb.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:1032

C:\Users\Admin\AppData\Local\Temp\f763840.exe
C:\Users\Admin\AppData\Local\Temp\f763840.exe
4⤵
- Executes dropped EXE
PID:2704

C:\Users\Admin\AppData\Local\Temp\f76407a.exe
C:\Users\Admin\AppData\Local\Temp\f76407a.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:3064

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

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