sality | 7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6bfb02.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"	6bfb02.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\UacDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bfb02.exe

Executes dropped EXE 3 IoCs

pid	Process
1284	6bfb02.exe
976	6bfc98.exe
560	6c1ded.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-61-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1284-70-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1284-83-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/1284-85-0x0000000000640000-0x00000000016FA000-memory.dmp	upx
behavioral1/memory/976-87-0x0000000000A00000-0x0000000001ABA000-memory.dmp	upx
behavioral1/memory/560-90-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1308	rundll32.exe
1308	rundll32.exe
1308	rundll32.exe
1308	rundll32.exe
1308	rundll32.exe
1308	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\AntiVirusDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bfb02.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6bfb02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bfb02.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"	6bfb02.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)	\??\E:	6bfb02.exe
File opened (read-only)	\??\F:	6bfb02.exe
File opened (read-only)	\??\G:	6bfb02.exe
File opened (read-only)	\??\H:	6bfb02.exe
File opened (read-only)	\??\I:	6bfb02.exe
File opened (read-only)	\??\J:	6bfb02.exe
File opened (read-only)	\??\K:	6bfb02.exe
File opened (read-only)	\??\L:	6bfb02.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\6bfc0c	6bfb02.exe
File opened for modification	C:\Windows\SYSTEM.INI	6bfb02.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1284	6bfb02.exe
1284	6bfb02.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe
Token: SeDebugPrivilege	1284	6bfb02.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 2016 wrote to memory of 1308	2016	rundll32.exe	27
PID 1308 wrote to memory of 1284	1308	rundll32.exe	28
PID 1308 wrote to memory of 1284	1308	rundll32.exe	28
PID 1308 wrote to memory of 1284	1308	rundll32.exe	28
PID 1308 wrote to memory of 1284	1308	rundll32.exe	28
PID 1284 wrote to memory of 1092	1284	6bfb02.exe	17
PID 1284 wrote to memory of 1180	1284	6bfb02.exe	15
PID 1284 wrote to memory of 1208	1284	6bfb02.exe	9
PID 1284 wrote to memory of 2016	1284	6bfb02.exe	19
PID 1284 wrote to memory of 1308	1284	6bfb02.exe	27
PID 1284 wrote to memory of 1308	1284	6bfb02.exe	27
PID 1308 wrote to memory of 976	1308	rundll32.exe	29
PID 1308 wrote to memory of 976	1308	rundll32.exe	29
PID 1308 wrote to memory of 976	1308	rundll32.exe	29
PID 1308 wrote to memory of 976	1308	rundll32.exe	29
PID 1308 wrote to memory of 560	1308	rundll32.exe	30
PID 1308 wrote to memory of 560	1308	rundll32.exe	30
PID 1308 wrote to memory of 560	1308	rundll32.exe	30
PID 1308 wrote to memory of 560	1308	rundll32.exe	30
PID 1284 wrote to memory of 1092	1284	6bfb02.exe	17
PID 1284 wrote to memory of 1180	1284	6bfb02.exe	15
PID 1284 wrote to memory of 1208	1284	6bfb02.exe	9
PID 1284 wrote to memory of 976	1284	6bfb02.exe	29
PID 1284 wrote to memory of 976	1284	6bfb02.exe	29
PID 1284 wrote to memory of 560	1284	6bfb02.exe	30
PID 1284 wrote to memory of 560	1284	6bfb02.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"	6bfb02.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fae69824ad72fb14531e265392862a9c709a26ca8b1c512b57a4e7e4ffb27a6.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1308
  - - C:\Users\Admin\AppData\Local\Temp\6bfb02.exe
      C:\Users\Admin\AppData\Local\Temp\6bfb02.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:1284
  - - C:\Users\Admin\AppData\Local\Temp\6bfc98.exe
      C:\Users\Admin\AppData\Local\Temp\6bfc98.exe
      4⤵
      Executes dropped EXE
      PID:976
  - - C:\Users\Admin\AppData\Local\Temp\6c1ded.exe
      C:\Users\Admin\AppData\Local\Temp\6c1ded.exe
      4⤵
      Executes dropped EXE
      PID:560

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

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