sality | 5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1660-1-0x0000000002600000-0x00000000036BA000-memory.dmp	upx
behavioral2/memory/1660-3-0x0000000002600000-0x00000000036BA000-memory.dmp	upx
behavioral2/memory/1660-7-0x0000000002600000-0x00000000036BA000-memory.dmp	upx
behavioral2/memory/1660-13-0x0000000002600000-0x00000000036BA000-memory.dmp	upx
behavioral2/memory/1660-8-0x0000000002600000-0x00000000036BA000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e577ffd	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
File opened for modification	C:\Windows\SYSTEM.INI	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Token: SeDebugPrivilege	1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Token: SeDebugPrivilege	1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
Token: SeDebugPrivilege	1660	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe

C:\Users\Admin\AppData\Local\Temp\5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe
"C:\Users\Admin\AppData\Local\Temp\5540b170d1b113e5db6cc6956611fdcf4a875a7400afbee98f16cbf82ea9f724.exe"
1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

4

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery