sality | 31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473

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\EnableFirewall = "0"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.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"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.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"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

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\AntiVirusOverride = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.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"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
File opened (read-only)	\??\G:	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1044-5-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-7-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-4-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-6-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-8-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-9-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-3-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-12-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-10-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-11-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-36-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-35-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-37-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-38-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-39-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-41-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-42-0x00000000023E0000-0x000000000349A000-memory.dmp	upx
behavioral1/memory/1044-62-0x00000000023E0000-0x000000000349A000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f765937	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
File opened for modification	C:\Windows\SYSTEM.INI	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.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	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
Token: SeDebugPrivilege	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1120	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe	19
PID 1044 wrote to memory of 1180	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe	20
PID 1044 wrote to memory of 1212	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe	21
PID 1044 wrote to memory of 1692	1044	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe	23

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"	31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe
  "C:\Users\Admin\AppData\Local\Temp\31b5f091e20f3a6fc8c87c3b1a0d87929db1528a0036ee000d4df88c7309c473.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Checks whether UAC is enabled
  - Enumerates connected drives
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1692

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

4

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery