sality | 1aacce2cb9723e16e255905e25f678e4861df69f9564d9900e9c9c20acfc687c

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c0224.exe

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

UAC bypass 3 TTPs 1 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"	6c0224.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c0224.exe

Executes dropped EXE 3 IoCs

pid	Process
304	6c0224.exe
2012	6c04c2.exe
1732	6c23a8.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/304-61-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/304-69-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/304-82-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/304-85-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/1732-88-0x0000000000950000-0x0000000001A0A000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
284	rundll32.exe
284	rundll32.exe
284	rundll32.exe
284	rundll32.exe
284	rundll32.exe
284	rundll32.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c0224.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c0224.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c0224.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"	6c0224.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)	\??\K:	6c0224.exe
File opened (read-only)	\??\L:	6c0224.exe
File opened (read-only)	\??\E:	6c0224.exe
File opened (read-only)	\??\F:	6c0224.exe
File opened (read-only)	\??\G:	6c0224.exe
File opened (read-only)	\??\H:	6c0224.exe
File opened (read-only)	\??\I:	6c0224.exe
File opened (read-only)	\??\J:	6c0224.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\6c037b	6c0224.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c0224.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
304	6c0224.exe
304	6c0224.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe
Token: SeDebugPrivilege	304	6c0224.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 1480 wrote to memory of 284	1480	rundll32.exe	27
PID 284 wrote to memory of 304	284	rundll32.exe	28
PID 284 wrote to memory of 304	284	rundll32.exe	28
PID 284 wrote to memory of 304	284	rundll32.exe	28
PID 284 wrote to memory of 304	284	rundll32.exe	28
PID 304 wrote to memory of 1228	304	6c0224.exe	12
PID 304 wrote to memory of 1368	304	6c0224.exe	11
PID 304 wrote to memory of 1416	304	6c0224.exe	10
PID 304 wrote to memory of 1480	304	6c0224.exe	16
PID 304 wrote to memory of 284	304	6c0224.exe	27
PID 304 wrote to memory of 284	304	6c0224.exe	27
PID 284 wrote to memory of 2012	284	rundll32.exe	29
PID 284 wrote to memory of 2012	284	rundll32.exe	29
PID 284 wrote to memory of 2012	284	rundll32.exe	29
PID 284 wrote to memory of 2012	284	rundll32.exe	29
PID 284 wrote to memory of 1732	284	rundll32.exe	30
PID 284 wrote to memory of 1732	284	rundll32.exe	30
PID 284 wrote to memory of 1732	284	rundll32.exe	30
PID 284 wrote to memory of 1732	284	rundll32.exe	30
PID 304 wrote to memory of 1228	304	6c0224.exe	12
PID 304 wrote to memory of 1368	304	6c0224.exe	11
PID 304 wrote to memory of 1416	304	6c0224.exe	10
PID 304 wrote to memory of 2012	304	6c0224.exe	29
PID 304 wrote to memory of 2012	304	6c0224.exe	29
PID 304 wrote to memory of 1732	304	6c0224.exe	30
PID 304 wrote to memory of 1732	304	6c0224.exe	30

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"	6c0224.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1416
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1aacce2cb9723e16e255905e25f678e4861df69f9564d9900e9c9c20acfc687c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1aacce2cb9723e16e255905e25f678e4861df69f9564d9900e9c9c20acfc687c.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:284
  - - C:\Users\Admin\AppData\Local\Temp\6c0224.exe
      C:\Users\Admin\AppData\Local\Temp\6c0224.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:304
  - - C:\Users\Admin\AppData\Local\Temp\6c04c2.exe
      C:\Users\Admin\AppData\Local\Temp\6c04c2.exe
      4⤵
      Executes dropped EXE
      PID:2012
  - - C:\Users\Admin\AppData\Local\Temp\6c23a8.exe
      C:\Users\Admin\AppData\Local\Temp\6c23a8.exe
      4⤵
      Executes dropped EXE
      PID:1732

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1368

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1228

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