sality | 19f24c2a73187cc772aa3b6db14e4b819f74e3efa4a1ff1fa34af35ba8880c71

Modify Existing Service

T1031

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.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:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exeb8ea7fe7fd4bf863c7a63ab6cf5422b4.exesvchost.exe

pid process

1852 svchost.exe
884 b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
1688 svchost.exe

pid	process
1852	svchost.exe
884	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
1688	svchost.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/884-63-0x0000000001E60000-0x0000000002F1A000-memory.dmp	upx
behavioral1/memory/884-65-0x0000000001E60000-0x0000000002F1A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

1852 svchost.exe

pid	process
1852	svchost.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

Drops file in Windows directory 2 IoCs

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exeb8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
File created	C:\Windows\svchost.exe	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
File created	C:\Windows\6bf9f9	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exesvchost.exe

description	pid	process	target process
PID 2036 wrote to memory of 1852	2036	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe	svchost.exe
PID 2036 wrote to memory of 1852	2036	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe	svchost.exe
PID 2036 wrote to memory of 1852	2036	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe	svchost.exe
PID 2036 wrote to memory of 1852	2036	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe	svchost.exe
PID 1852 wrote to memory of 884	1852	svchost.exe	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
PID 1852 wrote to memory of 884	1852	svchost.exe	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
PID 1852 wrote to memory of 884	1852	svchost.exe	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
PID 1852 wrote to memory of 884	1852	svchost.exe	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe

C:\Users\Admin\AppData\Local\Temp\b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
"C:\Users\Admin\AppData\Local\Temp\b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\svchost.exe
"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\Temp\b8ea7fe7fd4bf863c7a63ab6cf5422b4.exe
"C:\Users\Admin\AppData\Local\Temp\b8ea7fe7fd4bf863c7a63ab6cf5422b4.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:884

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
PID:1688

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