sality | 55ebc7e7ea4a2108746395fb63df79edfba1fd8f9e1691b4c992035f0f048c28

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f771ed6.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

Processes:

f7739e5.exef771ed6.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771ed6.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f771ed6.exe

Executes dropped EXE 3 IoCs

Processes:

f771ed6.exef7722ad.exef7739e5.exe

pid process

2904 f771ed6.exe
796 f7722ad.exe
1100 f7739e5.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

1668 rundll32.exe
1668 rundll32.exe
1668 rundll32.exe
1668 rundll32.exe
1668 rundll32.exe
1668 rundll32.exe

pid	process
2904	f771ed6.exe
796	f7722ad.exe
1100	f7739e5.exe

pid	process
1668	rundll32.exe
1668	rundll32.exe
1668	rundll32.exe
1668	rundll32.exe
1668	rundll32.exe
1668	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f771ed6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7739e5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7739e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7739e5.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7739e5.exe

Enumerates connected drives 3 TTPs 14 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

Processes:

f771ed6.exe

description	ioc	process
File opened (read-only)	\??\K:	f771ed6.exe
File opened (read-only)	\??\H:	f771ed6.exe
File opened (read-only)	\??\P:	f771ed6.exe
File opened (read-only)	\??\R:	f771ed6.exe
File opened (read-only)	\??\E:	f771ed6.exe
File opened (read-only)	\??\I:	f771ed6.exe
File opened (read-only)	\??\M:	f771ed6.exe
File opened (read-only)	\??\O:	f771ed6.exe
File opened (read-only)	\??\Q:	f771ed6.exe
File opened (read-only)	\??\G:	f771ed6.exe
File opened (read-only)	\??\J:	f771ed6.exe
File opened (read-only)	\??\L:	f771ed6.exe
File opened (read-only)	\??\N:	f771ed6.exe
File opened (read-only)	\??\S:	f771ed6.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2904-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-22-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-21-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-23-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-20-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-24-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-18-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-25-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-26-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-65-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-66-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-67-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-68-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-70-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-86-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-89-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-91-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-90-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2904-157-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1100-177-0x0000000000A10000-0x0000000001ACA000-memory.dmp	upx
behavioral1/memory/1100-209-0x0000000000A10000-0x0000000001ACA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
File created	C:\Windows\f771f72	f771ed6.exe
File opened for modification	C:\Windows\SYSTEM.INI	f771ed6.exe
File created	C:\Windows\f777233	f7739e5.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

Processes:

rundll32.exef771ed6.exef7739e5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f771ed6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7739e5.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f771ed6.exef7739e5.exe

pid process

2904 f771ed6.exe
2904 f771ed6.exe
1100 f7739e5.exe

pid	process
2904	f771ed6.exe
2904	f771ed6.exe
1100	f7739e5.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

Processes:

f771ed6.exef7739e5.exe

description	pid	process
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	2904	f771ed6.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe
Token: SeDebugPrivilege	1100	f7739e5.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

rundll32.exerundll32.exef771ed6.exef7739e5.exe

description	pid	process	target process
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1668	3044	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2904	1668	rundll32.exe	f771ed6.exe
PID 1668 wrote to memory of 2904	1668	rundll32.exe	f771ed6.exe
PID 1668 wrote to memory of 2904	1668	rundll32.exe	f771ed6.exe
PID 1668 wrote to memory of 2904	1668	rundll32.exe	f771ed6.exe
PID 2904 wrote to memory of 1104	2904	f771ed6.exe	taskhost.exe
PID 2904 wrote to memory of 1176	2904	f771ed6.exe	Dwm.exe
PID 2904 wrote to memory of 1200	2904	f771ed6.exe	Explorer.EXE
PID 2904 wrote to memory of 1632	2904	f771ed6.exe	DllHost.exe
PID 2904 wrote to memory of 3044	2904	f771ed6.exe	rundll32.exe
PID 2904 wrote to memory of 1668	2904	f771ed6.exe	rundll32.exe
PID 2904 wrote to memory of 1668	2904	f771ed6.exe	rundll32.exe
PID 1668 wrote to memory of 796	1668	rundll32.exe	f7722ad.exe
PID 1668 wrote to memory of 796	1668	rundll32.exe	f7722ad.exe
PID 1668 wrote to memory of 796	1668	rundll32.exe	f7722ad.exe
PID 1668 wrote to memory of 796	1668	rundll32.exe	f7722ad.exe
PID 1668 wrote to memory of 1100	1668	rundll32.exe	f7739e5.exe
PID 1668 wrote to memory of 1100	1668	rundll32.exe	f7739e5.exe
PID 1668 wrote to memory of 1100	1668	rundll32.exe	f7739e5.exe
PID 1668 wrote to memory of 1100	1668	rundll32.exe	f7739e5.exe
PID 2904 wrote to memory of 1104	2904	f771ed6.exe	taskhost.exe
PID 2904 wrote to memory of 1176	2904	f771ed6.exe	Dwm.exe
PID 2904 wrote to memory of 1200	2904	f771ed6.exe	Explorer.EXE
PID 2904 wrote to memory of 1632	2904	f771ed6.exe	DllHost.exe
PID 2904 wrote to memory of 796	2904	f771ed6.exe	f7722ad.exe
PID 2904 wrote to memory of 796	2904	f771ed6.exe	f7722ad.exe
PID 2904 wrote to memory of 1100	2904	f771ed6.exe	f7739e5.exe
PID 2904 wrote to memory of 1100	2904	f771ed6.exe	f7739e5.exe
PID 1100 wrote to memory of 1104	1100	f7739e5.exe	taskhost.exe
PID 1100 wrote to memory of 1176	1100	f7739e5.exe	Dwm.exe
PID 1100 wrote to memory of 1200	1100	f7739e5.exe	Explorer.EXE
PID 1100 wrote to memory of 1632	1100	f7739e5.exe	DllHost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f771ed6.exef7739e5.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771ed6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7739e5.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55ebc7e7ea4a2108746395fb63df79edfba1fd8f9e1691b4c992035f0f048c28N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\55ebc7e7ea4a2108746395fb63df79edfba1fd8f9e1691b4c992035f0f048c28N.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Users\Admin\AppData\Local\Temp\f771ed6.exe
      C:\Users\Admin\AppData\Local\Temp\f771ed6.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:2904
  - - C:\Users\Admin\AppData\Local\Temp\f7722ad.exe
      C:\Users\Admin\AppData\Local\Temp\f7722ad.exe
      4⤵
      Executes dropped EXE
      PID:796
  - - C:\Users\Admin\AppData\Local\Temp\f7739e5.exe
      C:\Users\Admin\AppData\Local\Temp\f7739e5.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:1100

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