sality | ee20a018c451b148fee4fea0b6b848b570454d45abf2c104580db316c53ddbb1

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"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77decb.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"	f77decb.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\AntiVirusDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77decb.exe

Executes dropped EXE 3 IoCs

pid	Process
2204	f77decb.exe
2992	f77e1a8.exe
2720	f77fb11.exe

Loads dropped DLL 6 IoCs

pid	Process
2556	rundll32.exe
2556	rundll32.exe
2556	rundll32.exe
2556	rundll32.exe
2556	rundll32.exe
2556	rundll32.exe

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"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77decb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77decb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77decb.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"	f77decb.exe

Enumerates connected drives 3 TTPs 1 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:	f77decb.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2204-12-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-16-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-18-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-21-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-17-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-14-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-20-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-19-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-15-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-22-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-60-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-61-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-62-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-96-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-99-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-102-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2204-120-0x0000000000670000-0x000000000172A000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f77df76	f77decb.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77decb.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	f77decb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2204	f77decb.exe
2204	f77decb.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe
Token: SeDebugPrivilege	2204	f77decb.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2104 wrote to memory of 2556	2104	rundll32.exe	30
PID 2556 wrote to memory of 2204	2556	rundll32.exe	31
PID 2556 wrote to memory of 2204	2556	rundll32.exe	31
PID 2556 wrote to memory of 2204	2556	rundll32.exe	31
PID 2556 wrote to memory of 2204	2556	rundll32.exe	31
PID 2204 wrote to memory of 1080	2204	f77decb.exe	18
PID 2204 wrote to memory of 1168	2204	f77decb.exe	20
PID 2204 wrote to memory of 1196	2204	f77decb.exe	21
PID 2204 wrote to memory of 1580	2204	f77decb.exe	25
PID 2204 wrote to memory of 2104	2204	f77decb.exe	29
PID 2204 wrote to memory of 2556	2204	f77decb.exe	30
PID 2204 wrote to memory of 2556	2204	f77decb.exe	30
PID 2556 wrote to memory of 2992	2556	rundll32.exe	32
PID 2556 wrote to memory of 2992	2556	rundll32.exe	32
PID 2556 wrote to memory of 2992	2556	rundll32.exe	32
PID 2556 wrote to memory of 2992	2556	rundll32.exe	32
PID 2556 wrote to memory of 2720	2556	rundll32.exe	33
PID 2556 wrote to memory of 2720	2556	rundll32.exe	33
PID 2556 wrote to memory of 2720	2556	rundll32.exe	33
PID 2556 wrote to memory of 2720	2556	rundll32.exe	33
PID 2204 wrote to memory of 1080	2204	f77decb.exe	18
PID 2204 wrote to memory of 1168	2204	f77decb.exe	20
PID 2204 wrote to memory of 1196	2204	f77decb.exe	21
PID 2204 wrote to memory of 1580	2204	f77decb.exe	25
PID 2204 wrote to memory of 2992	2204	f77decb.exe	32
PID 2204 wrote to memory of 2992	2204	f77decb.exe	32
PID 2204 wrote to memory of 2720	2204	f77decb.exe	33
PID 2204 wrote to memory of 2720	2204	f77decb.exe	33

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"	f77decb.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee20a018c451b148fee4fea0b6b848b570454d45abf2c104580db316c53ddbb1.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee20a018c451b148fee4fea0b6b848b570454d45abf2c104580db316c53ddbb1.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Users\Admin\AppData\Local\Temp\f77decb.exe
      C:\Users\Admin\AppData\Local\Temp\f77decb.exe
      4⤵
      Modifies firewall policy service
      UAC bypass
      Windows security bypass
      Executes dropped EXE
      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:2204
  - - C:\Users\Admin\AppData\Local\Temp\f77e1a8.exe
      C:\Users\Admin\AppData\Local\Temp\f77e1a8.exe
      4⤵
      Executes dropped EXE
      PID:2992
  - - C:\Users\Admin\AppData\Local\Temp\f77fb11.exe
      C:\Users\Admin\AppData\Local\Temp\f77fb11.exe
      4⤵
      Executes dropped EXE
      PID:2720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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