sality | 732b36e3a5e23a274bdd497ece3a35a3e0f57bf4051f148e10dd71efedbb1ef1

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e574631.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e574631.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e574631.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	e574631.exe

UPX packed file 28 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2080-6-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-8-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-9-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-29-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-31-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-32-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-33-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-22-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-11-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-34-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-35-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-10-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-36-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-37-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-38-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-40-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-42-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-50-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-52-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-55-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-64-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-68-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-71-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-73-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-75-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-78-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-80-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/2080-82-0x00000000007E0000-0x000000000189A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e574631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e574631.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e574631.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"	e574631.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\e5746bd	e574631.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 968	5056	rundll32.exe	14
PID 5056 wrote to memory of 968	5056	rundll32.exe	14
PID 5056 wrote to memory of 968	5056	rundll32.exe	14
PID 968 wrote to memory of 2080	968	rundll32.exe	16
PID 968 wrote to memory of 2080	968	rundll32.exe	16
PID 968 wrote to memory of 2080	968	rundll32.exe	16

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e574631.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbccb15c0f250659334934d9504574ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\e574631.exe
  C:\Users\Admin\AppData\Local\Temp\e574631.exe
  2⤵
  - 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:2080
- C:\Users\Admin\AppData\Local\Temp\e5748a2.exe
  C:\Users\Admin\AppData\Local\Temp\e5748a2.exe
  2⤵
  PID:4412
- C:\Users\Admin\AppData\Local\Temp\e5761a8.exe
  C:\Users\Admin\AppData\Local\Temp\e5761a8.exe
  2⤵
  PID:1004

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbccb15c0f250659334934d9504574ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

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

T1562

Disable or Modify Tools

Modify Registry