sality | 5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3

Modify Existing Service

T1031

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.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:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Executes dropped EXE 1 IoCs

Processes:

WaterMark.exe

pid process

1480 WaterMark.exe

pid	process
1480	WaterMark.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1812-55-0x00000000020F0000-0x000000000317E000-memory.dmp	upx
behavioral1/memory/1812-58-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1812-59-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1812-64-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1812-65-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/1812-66-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/1812-68-0x00000000020F0000-0x000000000317E000-memory.dmp	upx
behavioral1/memory/1480-76-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/1480-77-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/1480-78-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

pid	process
1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Drops file in Program Files directory 3 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px80D.tmp	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Drops file in Windows directory 1 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI 5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exeWaterMark.exe

pid process

1812 5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
1480 WaterMark.exe
1480 WaterMark.exe

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exeWaterMark.exe

description	pid	process
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
Token: SeDebugPrivilege	1480	WaterMark.exe

Suspicious use of UnmapMainImage 2 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exeWaterMark.exe

pid process

1812 5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
1480 WaterMark.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exeWaterMark.exe

description	pid	process	target process
PID 1812 wrote to memory of 1256	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	taskhost.exe
PID 1812 wrote to memory of 1340	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	Dwm.exe
PID 1812 wrote to memory of 1388	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	Explorer.EXE
PID 1812 wrote to memory of 1480	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	WaterMark.exe
PID 1812 wrote to memory of 1480	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	WaterMark.exe
PID 1812 wrote to memory of 1480	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	WaterMark.exe
PID 1812 wrote to memory of 1480	1812	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe	WaterMark.exe
PID 1480 wrote to memory of 2008	1480	WaterMark.exe	svchost.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388

C:\Users\Admin\AppData\Local\Temp\5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe
"C:\Users\Admin\AppData\Local\Temp\5509dab868388534ff1e34895a236315cd97ef84468aa5426b819f27e12227b3.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1812

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
PID:2008

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1256

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