sality | 5df93923c52fa35d631be8908aee33a36cfca98640442ae9033fe4d57ad959ab

Modify Existing Service

T1031

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	7dd12114b95c0f5bd6b9ded7168451eb.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:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7dd12114b95c0f5bd6b9ded7168451eb.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exe7dd12114b95c0f5bd6b9ded7168451eb.exesvchost.exe

pid process

1876 svchost.exe
1160 7dd12114b95c0f5bd6b9ded7168451eb.exe
1632 svchost.exe

pid	process
1876	svchost.exe
1160	7dd12114b95c0f5bd6b9ded7168451eb.exe
1632	svchost.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1160-63-0x0000000001E40000-0x0000000002EFA000-memory.dmp	upx
behavioral1/memory/1160-64-0x0000000001E40000-0x0000000002EFA000-memory.dmp	upx
behavioral1/memory/1160-67-0x0000000001E40000-0x0000000002EFA000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

1876 svchost.exe

pid	process
1876	svchost.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	7dd12114b95c0f5bd6b9ded7168451eb.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7dd12114b95c0f5bd6b9ded7168451eb.exe

Drops file in Windows directory 3 IoCs

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
File created	C:\Windows\svchost.exe	7dd12114b95c0f5bd6b9ded7168451eb.exe
File created	C:\Windows\6c5458	7dd12114b95c0f5bd6b9ded7168451eb.exe
File opened for modification	C:\Windows\SYSTEM.INI	7dd12114b95c0f5bd6b9ded7168451eb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

pid process

1160 7dd12114b95c0f5bd6b9ded7168451eb.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description pid process

Token: SeDebugPrivilege 1160 7dd12114b95c0f5bd6b9ded7168451eb.exe

pid	process
1160	7dd12114b95c0f5bd6b9ded7168451eb.exe

description	pid	process
Token: SeDebugPrivilege	1160	7dd12114b95c0f5bd6b9ded7168451eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exesvchost.exe

description	pid	process	target process
PID 1316 wrote to memory of 1876	1316	7dd12114b95c0f5bd6b9ded7168451eb.exe	svchost.exe
PID 1316 wrote to memory of 1876	1316	7dd12114b95c0f5bd6b9ded7168451eb.exe	svchost.exe
PID 1316 wrote to memory of 1876	1316	7dd12114b95c0f5bd6b9ded7168451eb.exe	svchost.exe
PID 1316 wrote to memory of 1876	1316	7dd12114b95c0f5bd6b9ded7168451eb.exe	svchost.exe
PID 1876 wrote to memory of 1160	1876	svchost.exe	7dd12114b95c0f5bd6b9ded7168451eb.exe
PID 1876 wrote to memory of 1160	1876	svchost.exe	7dd12114b95c0f5bd6b9ded7168451eb.exe
PID 1876 wrote to memory of 1160	1876	svchost.exe	7dd12114b95c0f5bd6b9ded7168451eb.exe
PID 1876 wrote to memory of 1160	1876	svchost.exe	7dd12114b95c0f5bd6b9ded7168451eb.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

7dd12114b95c0f5bd6b9ded7168451eb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7dd12114b95c0f5bd6b9ded7168451eb.exe

C:\Users\Admin\AppData\Local\Temp\7dd12114b95c0f5bd6b9ded7168451eb.exe
"C:\Users\Admin\AppData\Local\Temp\7dd12114b95c0f5bd6b9ded7168451eb.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\svchost.exe
"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\7dd12114b95c0f5bd6b9ded7168451eb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1876

C:\Users\Admin\AppData\Local\Temp\7dd12114b95c0f5bd6b9ded7168451eb.exe
"C:\Users\Admin\AppData\Local\Temp\7dd12114b95c0f5bd6b9ded7168451eb.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:1160

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
PID:1632

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