sality | f95220d146700fad9ad486eeda31073e8533fb99383e07fe665834f4ff610977

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c3737.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"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3737.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\AntiVirusDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c3737.exe

Executes dropped EXE 3 IoCs

pid	Process
1000	6c2f8a.exe
1648	6c3737.exe
1292	6c5014.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1000-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1000-66-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1000-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1000-85-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1648-87-0x0000000000930000-0x00000000019EA000-memory.dmp	upx
behavioral1/memory/1648-88-0x0000000000930000-0x00000000019EA000-memory.dmp	upx
behavioral1/memory/1648-90-0x0000000000930000-0x00000000019EA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	rundll32.exe
1904	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\AntiVirusDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c3737.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c3737.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c3737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c3737.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"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3737.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:	6c2f8a.exe
File opened (read-only)	\??\L:	6c2f8a.exe
File opened (read-only)	\??\E:	6c2f8a.exe
File opened (read-only)	\??\F:	6c2f8a.exe
File opened (read-only)	\??\G:	6c2f8a.exe
File opened (read-only)	\??\H:	6c2f8a.exe
File opened (read-only)	\??\I:	6c2f8a.exe
File opened (read-only)	\??\J:	6c2f8a.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\6c317d	6c2f8a.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c2f8a.exe
File created	C:\Windows\6c8e6b	6c3737.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1000	6c2f8a.exe
1000	6c2f8a.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe
Token: SeDebugPrivilege	1000	6c2f8a.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1948 wrote to memory of 1904	1948	rundll32.exe	27
PID 1904 wrote to memory of 1000	1904	rundll32.exe	28
PID 1904 wrote to memory of 1000	1904	rundll32.exe	28
PID 1904 wrote to memory of 1000	1904	rundll32.exe	28
PID 1904 wrote to memory of 1000	1904	rundll32.exe	28
PID 1000 wrote to memory of 1224	1000	6c2f8a.exe	9
PID 1000 wrote to memory of 1340	1000	6c2f8a.exe	16
PID 1000 wrote to memory of 1396	1000	6c2f8a.exe	15
PID 1000 wrote to memory of 1948	1000	6c2f8a.exe	21
PID 1000 wrote to memory of 1904	1000	6c2f8a.exe	27
PID 1000 wrote to memory of 1904	1000	6c2f8a.exe	27
PID 1904 wrote to memory of 1648	1904	rundll32.exe	29
PID 1904 wrote to memory of 1648	1904	rundll32.exe	29
PID 1904 wrote to memory of 1648	1904	rundll32.exe	29
PID 1904 wrote to memory of 1648	1904	rundll32.exe	29
PID 1904 wrote to memory of 1292	1904	rundll32.exe	30
PID 1904 wrote to memory of 1292	1904	rundll32.exe	30
PID 1904 wrote to memory of 1292	1904	rundll32.exe	30
PID 1904 wrote to memory of 1292	1904	rundll32.exe	30
PID 1000 wrote to memory of 1224	1000	6c2f8a.exe	9
PID 1000 wrote to memory of 1340	1000	6c2f8a.exe	16
PID 1000 wrote to memory of 1396	1000	6c2f8a.exe	15
PID 1000 wrote to memory of 1648	1000	6c2f8a.exe	29
PID 1000 wrote to memory of 1648	1000	6c2f8a.exe	29
PID 1000 wrote to memory of 1292	1000	6c2f8a.exe	30
PID 1000 wrote to memory of 1292	1000	6c2f8a.exe	30

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"	6c2f8a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3737.exe

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1396
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f95220d146700fad9ad486eeda31073e8533fb99383e07fe665834f4ff610977.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f95220d146700fad9ad486eeda31073e8533fb99383e07fe665834f4ff610977.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1904
  - - C:\Users\Admin\AppData\Local\Temp\6c2f8a.exe
      C:\Users\Admin\AppData\Local\Temp\6c2f8a.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:1000
  - - C:\Users\Admin\AppData\Local\Temp\6c3737.exe
      C:\Users\Admin\AppData\Local\Temp\6c3737.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 policy modification
      PID:1648
  - - C:\Users\Admin\AppData\Local\Temp\6c5014.exe
      C:\Users\Admin\AppData\Local\Temp\6c5014.exe
      4⤵
      Executes dropped EXE
      PID:1292

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

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