sality | f6b7aed9c264e53bbaf001e40205d1b38feafe5f51484ab9977fb9b2f4189bd9

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"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	uninst.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

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	uninst.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"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	uninst.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	uninst.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	uninst.exe

Disables Task Manager via registry modification
evasion

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral29/memory/1880-3-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-5-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-7-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-4-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-8-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-6-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-10-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-11-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-9-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-13-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-12-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx
behavioral29/memory/1880-30-0x0000000001CF0000-0x0000000002D7E000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	uninst.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	uninst.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1880	uninst.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe
Token: SeDebugPrivilege	1880	uninst.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1120	1880	uninst.exe	19
PID 1880 wrote to memory of 1184	1880	uninst.exe	20
PID 1880 wrote to memory of 1236	1880	uninst.exe	21
PID 1880 wrote to memory of 1288	1880	uninst.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"	uninst.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\uninst.exe
  "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Windows security modification
  - Checks whether UAC is enabled
  - 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:1880

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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 System Firewall

T1562.004

Disable or Modify Tools

Modify Registry