sality | 29bba5df34838bc743d2009a815955f0b80f29e9732d55ea41b657eb6e804a85

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"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77558f.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"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77707f.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\FirewallDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77707f.exe

Executes dropped EXE 3 IoCs

pid	Process
2876	f77558f.exe
1668	f7757d1.exe
1036	f77707f.exe

Loads dropped DLL 6 IoCs

pid	Process
2824	rundll32.exe
2824	rundll32.exe
2824	rundll32.exe
2824	rundll32.exe
2824	rundll32.exe
2824	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\FirewallOverride = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77558f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77707f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77707f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77558f.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"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77707f.exe

Enumerates connected drives 3 TTPs 3 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:	f77558f.exe
File opened (read-only)	\??\E:	f77707f.exe
File opened (read-only)	\??\G:	f77707f.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-14-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-40-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-13-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-18-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-16-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-38-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-39-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-62-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-63-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-65-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-80-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-102-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-105-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2876-125-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1036-134-0x00000000009A0000-0x0000000001A5A000-memory.dmp	upx
behavioral1/memory/1036-189-0x00000000009A0000-0x0000000001A5A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f77c3bc	f77707f.exe
File created	C:\Windows\f77563b	f77558f.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77558f.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	f77558f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f77707f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2876	f77558f.exe
2876	f77558f.exe
1036	f77707f.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	2876	f77558f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe
Token: SeDebugPrivilege	1036	f77707f.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2796 wrote to memory of 2824	2796	rundll32.exe	30
PID 2824 wrote to memory of 2876	2824	rundll32.exe	31
PID 2824 wrote to memory of 2876	2824	rundll32.exe	31
PID 2824 wrote to memory of 2876	2824	rundll32.exe	31
PID 2824 wrote to memory of 2876	2824	rundll32.exe	31
PID 2876 wrote to memory of 1096	2876	f77558f.exe	19
PID 2876 wrote to memory of 1164	2876	f77558f.exe	20
PID 2876 wrote to memory of 1212	2876	f77558f.exe	21
PID 2876 wrote to memory of 1632	2876	f77558f.exe	25
PID 2876 wrote to memory of 2796	2876	f77558f.exe	29
PID 2876 wrote to memory of 2824	2876	f77558f.exe	30
PID 2876 wrote to memory of 2824	2876	f77558f.exe	30
PID 2824 wrote to memory of 1668	2824	rundll32.exe	32
PID 2824 wrote to memory of 1668	2824	rundll32.exe	32
PID 2824 wrote to memory of 1668	2824	rundll32.exe	32
PID 2824 wrote to memory of 1668	2824	rundll32.exe	32
PID 2824 wrote to memory of 1036	2824	rundll32.exe	33
PID 2824 wrote to memory of 1036	2824	rundll32.exe	33
PID 2824 wrote to memory of 1036	2824	rundll32.exe	33
PID 2824 wrote to memory of 1036	2824	rundll32.exe	33
PID 2876 wrote to memory of 1096	2876	f77558f.exe	19
PID 2876 wrote to memory of 1164	2876	f77558f.exe	20
PID 2876 wrote to memory of 1212	2876	f77558f.exe	21
PID 2876 wrote to memory of 1632	2876	f77558f.exe	25
PID 2876 wrote to memory of 1668	2876	f77558f.exe	32
PID 2876 wrote to memory of 1668	2876	f77558f.exe	32
PID 2876 wrote to memory of 1036	2876	f77558f.exe	33
PID 2876 wrote to memory of 1036	2876	f77558f.exe	33
PID 1036 wrote to memory of 1096	1036	f77707f.exe	19
PID 1036 wrote to memory of 1164	1036	f77707f.exe	20
PID 1036 wrote to memory of 1212	1036	f77707f.exe	21
PID 1036 wrote to memory of 1632	1036	f77707f.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"	f77558f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77707f.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\29bba5df34838bc743d2009a815955f0b80f29e9732d55ea41b657eb6e804a85.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\29bba5df34838bc743d2009a815955f0b80f29e9732d55ea41b657eb6e804a85.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - C:\Users\Admin\AppData\Local\Temp\f77558f.exe
      C:\Users\Admin\AppData\Local\Temp\f77558f.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:2876
  - - C:\Users\Admin\AppData\Local\Temp\f7757d1.exe
      C:\Users\Admin\AppData\Local\Temp\f7757d1.exe
      4⤵
      Executes dropped EXE
      PID:1668
  - - C:\Users\Admin\AppData\Local\Temp\f77707f.exe
      C:\Users\Admin\AppData\Local\Temp\f77707f.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:1036

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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