sality | 23c66b2b9d28c3e0876e5c90807b5d34685b67b073600241fece8533169e3aed

Windows Service

T1543.003

Processes:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761046.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:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762c10.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762c10.exe

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

Processes:

resource	yara_rule
behavioral1/memory/1948-10-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-13-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-14-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-16-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-18-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-21-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-24-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-26-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-29-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-35-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-56-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-57-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-58-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-59-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-60-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-62-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-77-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-78-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-80-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-82-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-100-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-102-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-104-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/1948-144-0x0000000000670000-0x000000000172A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2884-152-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2884-192-0x0000000000910000-0x00000000019CA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 31 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-11-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1948-10-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-13-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-14-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-16-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-18-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-21-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-24-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-26-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-29-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-35-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/2972-45-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1948-56-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-57-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-58-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-59-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-60-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-62-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/2884-76-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/1948-77-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-78-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-80-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-82-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-100-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-102-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-104-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/1948-144-0x0000000000670000-0x000000000172A000-memory.dmp	UPX
behavioral1/memory/2972-148-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2884-152-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2884-192-0x0000000000910000-0x00000000019CA000-memory.dmp	UPX
behavioral1/memory/2884-193-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

Processes:

f761046.exef761564.exef762c10.exe

pid process

1948 f761046.exe
2972 f761564.exe
2884 f762c10.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

544 rundll32.exe
544 rundll32.exe
544 rundll32.exe
544 rundll32.exe
544 rundll32.exe
544 rundll32.exe

pid	process
1948	f761046.exe
2972	f761564.exe
2884	f762c10.exe

pid	process
544	rundll32.exe
544	rundll32.exe
544	rundll32.exe
544	rundll32.exe
544	rundll32.exe
544	rundll32.exe

UPX packed file 26 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1948-10-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-13-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-14-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-16-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-18-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-21-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-24-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-26-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-29-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-35-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-56-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-57-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-58-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-59-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-60-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-62-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-77-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-78-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-80-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-82-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-100-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-102-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-104-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1948-144-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2884-152-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/2884-192-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761046.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761046.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762c10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761046.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762c10.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:

f761046.exef762c10.exe

description	ioc	process
File opened (read-only)	\??\H:	f761046.exe
File opened (read-only)	\??\I:	f761046.exe
File opened (read-only)	\??\M:	f761046.exe
File opened (read-only)	\??\Q:	f761046.exe
File opened (read-only)	\??\E:	f762c10.exe
File opened (read-only)	\??\G:	f761046.exe
File opened (read-only)	\??\J:	f761046.exe
File opened (read-only)	\??\L:	f761046.exe
File opened (read-only)	\??\P:	f761046.exe
File opened (read-only)	\??\R:	f761046.exe
File opened (read-only)	\??\E:	f761046.exe
File opened (read-only)	\??\K:	f761046.exe
File opened (read-only)	\??\N:	f761046.exe
File opened (read-only)	\??\O:	f761046.exe

Drops file in Windows directory 3 IoCs

Processes:

f761046.exef762c10.exe

description	ioc	process
File created	C:\Windows\f7610e2	f761046.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761046.exe
File created	C:\Windows\f76671c	f762c10.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761046.exef762c10.exe

pid process

1948 f761046.exe
1948 f761046.exe
2884 f762c10.exe

pid	process
1948	f761046.exe
1948	f761046.exe
2884	f762c10.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761046.exef762c10.exe

description	pid	process
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	1948	f761046.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe
Token: SeDebugPrivilege	2884	f762c10.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761046.exef762c10.exe

description	pid	process	target process
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 544	1796	rundll32.exe	rundll32.exe
PID 544 wrote to memory of 1948	544	rundll32.exe	f761046.exe
PID 544 wrote to memory of 1948	544	rundll32.exe	f761046.exe
PID 544 wrote to memory of 1948	544	rundll32.exe	f761046.exe
PID 544 wrote to memory of 1948	544	rundll32.exe	f761046.exe
PID 1948 wrote to memory of 1112	1948	f761046.exe	taskhost.exe
PID 1948 wrote to memory of 1172	1948	f761046.exe	Dwm.exe
PID 1948 wrote to memory of 1204	1948	f761046.exe	Explorer.EXE
PID 1948 wrote to memory of 2404	1948	f761046.exe	DllHost.exe
PID 1948 wrote to memory of 1796	1948	f761046.exe	rundll32.exe
PID 1948 wrote to memory of 544	1948	f761046.exe	rundll32.exe
PID 1948 wrote to memory of 544	1948	f761046.exe	rundll32.exe
PID 544 wrote to memory of 2972	544	rundll32.exe	f761564.exe
PID 544 wrote to memory of 2972	544	rundll32.exe	f761564.exe
PID 544 wrote to memory of 2972	544	rundll32.exe	f761564.exe
PID 544 wrote to memory of 2972	544	rundll32.exe	f761564.exe
PID 544 wrote to memory of 2884	544	rundll32.exe	f762c10.exe
PID 544 wrote to memory of 2884	544	rundll32.exe	f762c10.exe
PID 544 wrote to memory of 2884	544	rundll32.exe	f762c10.exe
PID 544 wrote to memory of 2884	544	rundll32.exe	f762c10.exe
PID 1948 wrote to memory of 1112	1948	f761046.exe	taskhost.exe
PID 1948 wrote to memory of 1172	1948	f761046.exe	Dwm.exe
PID 1948 wrote to memory of 1204	1948	f761046.exe	Explorer.EXE
PID 1948 wrote to memory of 2972	1948	f761046.exe	f761564.exe
PID 1948 wrote to memory of 2972	1948	f761046.exe	f761564.exe
PID 1948 wrote to memory of 2884	1948	f761046.exe	f762c10.exe
PID 1948 wrote to memory of 2884	1948	f761046.exe	f762c10.exe
PID 2884 wrote to memory of 1112	2884	f762c10.exe	taskhost.exe
PID 2884 wrote to memory of 1172	2884	f762c10.exe	Dwm.exe
PID 2884 wrote to memory of 1204	2884	f762c10.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761046.exef762c10.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761046.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762c10.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23c66b2b9d28c3e0876e5c90807b5d34685b67b073600241fece8533169e3aed.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23c66b2b9d28c3e0876e5c90807b5d34685b67b073600241fece8533169e3aed.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:544

C:\Users\Admin\AppData\Local\Temp\f761046.exe
C:\Users\Admin\AppData\Local\Temp\f761046.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:1948

C:\Users\Admin\AppData\Local\Temp\f761564.exe
C:\Users\Admin\AppData\Local\Temp\f761564.exe
4⤵
- Executes dropped EXE
PID:2972

C:\Users\Admin\AppData\Local\Temp\f762c10.exe
C:\Users\Admin\AppData\Local\Temp\f762c10.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:2884

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2404

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