sality | 341d6f81dde5483542adb5eb378958e90e40619825b29708f59289a5500c630e

Modify Existing Service

T1031

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exebdfafdb3b05bae0c6b7c9c190e591a70.exesvchost.exe

pid process

1652 svchost.exe
2036 bdfafdb3b05bae0c6b7c9c190e591a70.exe
1740 svchost.exe

pid	process
1652	svchost.exe
2036	bdfafdb3b05bae0c6b7c9c190e591a70.exe
1740	svchost.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2036-61-0x0000000001D10000-0x0000000002DCA000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

1652 svchost.exe

pid	process
1652	svchost.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Drops file in Windows directory 2 IoCs

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exebdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
File created	C:\Windows\6c25ca	bdfafdb3b05bae0c6b7c9c190e591a70.exe
File created	C:\Windows\svchost.exe	bdfafdb3b05bae0c6b7c9c190e591a70.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exesvchost.exe

description	pid	process	target process
PID 1816 wrote to memory of 1652	1816	bdfafdb3b05bae0c6b7c9c190e591a70.exe	svchost.exe
PID 1816 wrote to memory of 1652	1816	bdfafdb3b05bae0c6b7c9c190e591a70.exe	svchost.exe
PID 1816 wrote to memory of 1652	1816	bdfafdb3b05bae0c6b7c9c190e591a70.exe	svchost.exe
PID 1816 wrote to memory of 1652	1816	bdfafdb3b05bae0c6b7c9c190e591a70.exe	svchost.exe
PID 1652 wrote to memory of 2036	1652	svchost.exe	bdfafdb3b05bae0c6b7c9c190e591a70.exe
PID 1652 wrote to memory of 2036	1652	svchost.exe	bdfafdb3b05bae0c6b7c9c190e591a70.exe
PID 1652 wrote to memory of 2036	1652	svchost.exe	bdfafdb3b05bae0c6b7c9c190e591a70.exe
PID 1652 wrote to memory of 2036	1652	svchost.exe	bdfafdb3b05bae0c6b7c9c190e591a70.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

bdfafdb3b05bae0c6b7c9c190e591a70.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	bdfafdb3b05bae0c6b7c9c190e591a70.exe

C:\Users\Admin\AppData\Local\Temp\bdfafdb3b05bae0c6b7c9c190e591a70.exe
"C:\Users\Admin\AppData\Local\Temp\bdfafdb3b05bae0c6b7c9c190e591a70.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\svchost.exe
"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\bdfafdb3b05bae0c6b7c9c190e591a70.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\bdfafdb3b05bae0c6b7c9c190e591a70.exe
"C:\Users\Admin\AppData\Local\Temp\bdfafdb3b05bae0c6b7c9c190e591a70.exe"
3⤵
- 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
- System policy modification
PID:2036

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
PID:1740

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

5

Bypass User Account Control

T1088

Disabling Security Tools

3

Credential Access

Discovery

System Information Discovery