sality | 0e4bdbd55510bdbf7b2bd5b02d86ec4738300fd21ab3187e0a8f84dce3f399f4

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c7418.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c7418.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c6375.exe

Executes dropped EXE 3 IoCs

pid	Process
1340	6c6375.exe
960	6c6920.exe
1664	6c7418.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1340-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1340-69-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1340-81-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1340-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1664-85-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1664-88-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1664-90-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c7418.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c7418.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c7418.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c6375.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"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c7418.exe

Enumerates connected drives 3 TTPs 8 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)	\??\J:	6c6375.exe
File opened (read-only)	\??\K:	6c6375.exe
File opened (read-only)	\??\L:	6c6375.exe
File opened (read-only)	\??\E:	6c6375.exe
File opened (read-only)	\??\F:	6c6375.exe
File opened (read-only)	\??\G:	6c6375.exe
File opened (read-only)	\??\H:	6c6375.exe
File opened (read-only)	\??\I:	6c6375.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\6c6671	6c6375.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c6375.exe
File created	C:\Windows\6cbece	6c7418.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1340	6c6375.exe
1340	6c6375.exe
1664	6c7418.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1340	6c6375.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe
Token: SeDebugPrivilege	1664	6c7418.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1424 wrote to memory of 1852	1424	rundll32.exe	26
PID 1852 wrote to memory of 1340	1852	rundll32.exe	27
PID 1852 wrote to memory of 1340	1852	rundll32.exe	27
PID 1852 wrote to memory of 1340	1852	rundll32.exe	27
PID 1852 wrote to memory of 1340	1852	rundll32.exe	27
PID 1340 wrote to memory of 1148	1340	6c6375.exe	15
PID 1340 wrote to memory of 1224	1340	6c6375.exe	12
PID 1340 wrote to memory of 1260	1340	6c6375.exe	11
PID 1340 wrote to memory of 1424	1340	6c6375.exe	25
PID 1340 wrote to memory of 1852	1340	6c6375.exe	26
PID 1340 wrote to memory of 1852	1340	6c6375.exe	26
PID 1852 wrote to memory of 960	1852	rundll32.exe	28
PID 1852 wrote to memory of 960	1852	rundll32.exe	28
PID 1852 wrote to memory of 960	1852	rundll32.exe	28
PID 1852 wrote to memory of 960	1852	rundll32.exe	28
PID 1852 wrote to memory of 1664	1852	rundll32.exe	29
PID 1852 wrote to memory of 1664	1852	rundll32.exe	29
PID 1852 wrote to memory of 1664	1852	rundll32.exe	29
PID 1852 wrote to memory of 1664	1852	rundll32.exe	29
PID 1340 wrote to memory of 1148	1340	6c6375.exe	15
PID 1340 wrote to memory of 1224	1340	6c6375.exe	12
PID 1340 wrote to memory of 1260	1340	6c6375.exe	11
PID 1340 wrote to memory of 960	1340	6c6375.exe	28
PID 1340 wrote to memory of 960	1340	6c6375.exe	28
PID 1340 wrote to memory of 1664	1340	6c6375.exe	29
PID 1340 wrote to memory of 1664	1340	6c6375.exe	29
PID 1664 wrote to memory of 1148	1664	6c7418.exe	15
PID 1664 wrote to memory of 1224	1664	6c7418.exe	12
PID 1664 wrote to memory of 1260	1664	6c7418.exe	11

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"	6c6375.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c7418.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e4bdbd55510bdbf7b2bd5b02d86ec4738300fd21ab3187e0a8f84dce3f399f4.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e4bdbd55510bdbf7b2bd5b02d86ec4738300fd21ab3187e0a8f84dce3f399f4.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - C:\Users\Admin\AppData\Local\Temp\6c6375.exe
      C:\Users\Admin\AppData\Local\Temp\6c6375.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:1340
  - - C:\Users\Admin\AppData\Local\Temp\6c6920.exe
      C:\Users\Admin\AppData\Local\Temp\6c6920.exe
      4⤵
      Executes dropped EXE
      PID:960
  - - C:\Users\Admin\AppData\Local\Temp\6c7418.exe
      C:\Users\Admin\AppData\Local\Temp\6c7418.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:1664

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1224

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry