sality | 2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.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

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.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\AntiVirusOverride = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1216-2-0x0000000002750000-0x000000000380A000-memory.dmp	upx
behavioral2/memory/1216-7-0x0000000002750000-0x000000000380A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.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"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.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	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\e5763da	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe

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"	2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe

C:\Users\Admin\AppData\Local\Temp\2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.exe
"C:\Users\Admin\AppData\Local\Temp\2dfc1f91019b242067e3e55fb8dc6c85a02c2d71b3dd36fccf67edb4e08a2770.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 policy modification
PID:1216

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

3

T1562

Disable or Modify Tools

Modify Registry

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery