sality | a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424

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\DoNotAllowExceptions = "0"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f772f1c.exe

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

UAC bypass 3 TTPs 2 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"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f775052.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f775052.exe

Executes dropped EXE 3 IoCs

pid	Process
2872	f772f1c.exe
2184	f773208.exe
2020	f775052.exe

Loads dropped DLL 6 IoCs

pid	Process
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f775052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f775052.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f772f1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f775052.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f775052.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2872-12-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-15-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-18-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-21-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-17-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-14-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-20-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-16-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-22-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-19-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-63-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-64-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-65-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-106-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2872-109-0x00000000005F0000-0x00000000016AA000-memory.dmp	upx
behavioral1/memory/2020-153-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/2020-167-0x0000000000900000-0x00000000019BA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	f772f1c.exe
File created	C:\Windows\f7799fe	f775052.exe
File created	C:\Windows\f772fc7	f772f1c.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f772f1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f775052.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2872	f772f1c.exe
2872	f772f1c.exe
2020	f775052.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2872	f772f1c.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe
Token: SeDebugPrivilege	2020	f775052.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2760 wrote to memory of 2848	2760	rundll32.exe	30
PID 2848 wrote to memory of 2872	2848	rundll32.exe	31
PID 2848 wrote to memory of 2872	2848	rundll32.exe	31
PID 2848 wrote to memory of 2872	2848	rundll32.exe	31
PID 2848 wrote to memory of 2872	2848	rundll32.exe	31
PID 2872 wrote to memory of 1092	2872	f772f1c.exe	19
PID 2872 wrote to memory of 1160	2872	f772f1c.exe	20
PID 2872 wrote to memory of 1188	2872	f772f1c.exe	21
PID 2872 wrote to memory of 1556	2872	f772f1c.exe	25
PID 2872 wrote to memory of 2760	2872	f772f1c.exe	29
PID 2872 wrote to memory of 2848	2872	f772f1c.exe	30
PID 2872 wrote to memory of 2848	2872	f772f1c.exe	30
PID 2848 wrote to memory of 2184	2848	rundll32.exe	32
PID 2848 wrote to memory of 2184	2848	rundll32.exe	32
PID 2848 wrote to memory of 2184	2848	rundll32.exe	32
PID 2848 wrote to memory of 2184	2848	rundll32.exe	32
PID 2848 wrote to memory of 2020	2848	rundll32.exe	33
PID 2848 wrote to memory of 2020	2848	rundll32.exe	33
PID 2848 wrote to memory of 2020	2848	rundll32.exe	33
PID 2848 wrote to memory of 2020	2848	rundll32.exe	33
PID 2872 wrote to memory of 1092	2872	f772f1c.exe	19
PID 2872 wrote to memory of 1160	2872	f772f1c.exe	20
PID 2872 wrote to memory of 1188	2872	f772f1c.exe	21
PID 2872 wrote to memory of 1556	2872	f772f1c.exe	25
PID 2872 wrote to memory of 2184	2872	f772f1c.exe	32
PID 2872 wrote to memory of 2184	2872	f772f1c.exe	32
PID 2872 wrote to memory of 2020	2872	f772f1c.exe	33
PID 2872 wrote to memory of 2020	2872	f772f1c.exe	33
PID 2020 wrote to memory of 1092	2020	f775052.exe	19
PID 2020 wrote to memory of 1160	2020	f775052.exe	20
PID 2020 wrote to memory of 1188	2020	f775052.exe	21
PID 2020 wrote to memory of 1556	2020	f775052.exe	25

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f772f1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f775052.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0c55db81960f28e32e2c54e5ee17b31b026c881c72ec807a19d71c24324a424.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2848
  - - C:\Users\Admin\AppData\Local\Temp\f772f1c.exe
      C:\Users\Admin\AppData\Local\Temp\f772f1c.exe
      4⤵
      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 Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2872
  - - C:\Users\Admin\AppData\Local\Temp\f773208.exe
      C:\Users\Admin\AppData\Local\Temp\f773208.exe
      4⤵
      Executes dropped EXE
      PID:2184
  - - C:\Users\Admin\AppData\Local\Temp\f775052.exe
      C:\Users\Admin\AppData\Local\Temp\f775052.exe
      4⤵
      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 Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2020

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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