sality | 04fe527b33e238b7a4e7887cc70586ee799614a2d236290452c03af03147467d

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7823a7.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f783dea.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7823a7.exe

Executes dropped EXE 3 IoCs

pid	Process
2268	f7823a7.exe
2628	f782c4e.exe
880	f783dea.exe

Loads dropped DLL 6 IoCs

pid	Process
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2268-14-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-19-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-16-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-18-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-17-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-23-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-22-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-24-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-21-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-20-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-63-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-64-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-65-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-66-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-67-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-69-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-82-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-84-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-83-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-88-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-87-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2268-149-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2628-159-0x0000000000A00000-0x0000000001ABA000-memory.dmp	upx
behavioral1/memory/880-169-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/880-203-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7823a7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f783dea.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7823a7.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"	f783dea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7823a7.exe

Enumerates connected drives 3 TTPs 13 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)	\??\L:	f7823a7.exe
File opened (read-only)	\??\O:	f7823a7.exe
File opened (read-only)	\??\H:	f7823a7.exe
File opened (read-only)	\??\Q:	f7823a7.exe
File opened (read-only)	\??\N:	f7823a7.exe
File opened (read-only)	\??\I:	f7823a7.exe
File opened (read-only)	\??\M:	f7823a7.exe
File opened (read-only)	\??\E:	f7823a7.exe
File opened (read-only)	\??\J:	f7823a7.exe
File opened (read-only)	\??\K:	f7823a7.exe
File opened (read-only)	\??\P:	f7823a7.exe
File opened (read-only)	\??\R:	f7823a7.exe
File opened (read-only)	\??\G:	f7823a7.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f787ba5	f783dea.exe
File created	C:\Windows\f782491	f7823a7.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7823a7.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2268	f7823a7.exe
2268	f7823a7.exe
880	f783dea.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	2268	f7823a7.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe
Token: SeDebugPrivilege	880	f783dea.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 560 wrote to memory of 2716	560	rundll32.exe	29
PID 2716 wrote to memory of 2268	2716	rundll32.exe	30
PID 2716 wrote to memory of 2268	2716	rundll32.exe	30
PID 2716 wrote to memory of 2268	2716	rundll32.exe	30
PID 2716 wrote to memory of 2268	2716	rundll32.exe	30
PID 2268 wrote to memory of 1232	2268	f7823a7.exe	18
PID 2268 wrote to memory of 1328	2268	f7823a7.exe	19
PID 2268 wrote to memory of 1384	2268	f7823a7.exe	20
PID 2268 wrote to memory of 1240	2268	f7823a7.exe	22
PID 2268 wrote to memory of 560	2268	f7823a7.exe	28
PID 2268 wrote to memory of 2716	2268	f7823a7.exe	29
PID 2268 wrote to memory of 2716	2268	f7823a7.exe	29
PID 2716 wrote to memory of 2628	2716	rundll32.exe	31
PID 2716 wrote to memory of 2628	2716	rundll32.exe	31
PID 2716 wrote to memory of 2628	2716	rundll32.exe	31
PID 2716 wrote to memory of 2628	2716	rundll32.exe	31
PID 2716 wrote to memory of 880	2716	rundll32.exe	32
PID 2716 wrote to memory of 880	2716	rundll32.exe	32
PID 2716 wrote to memory of 880	2716	rundll32.exe	32
PID 2716 wrote to memory of 880	2716	rundll32.exe	32
PID 2268 wrote to memory of 1232	2268	f7823a7.exe	18
PID 2268 wrote to memory of 1328	2268	f7823a7.exe	19
PID 2268 wrote to memory of 1384	2268	f7823a7.exe	20
PID 2268 wrote to memory of 1240	2268	f7823a7.exe	22
PID 2268 wrote to memory of 2628	2268	f7823a7.exe	31
PID 2268 wrote to memory of 2628	2268	f7823a7.exe	31
PID 2268 wrote to memory of 880	2268	f7823a7.exe	32
PID 2268 wrote to memory of 880	2268	f7823a7.exe	32
PID 880 wrote to memory of 1232	880	f783dea.exe	18
PID 880 wrote to memory of 1328	880	f783dea.exe	19
PID 880 wrote to memory of 1384	880	f783dea.exe	20
PID 880 wrote to memory of 1240	880	f783dea.exe	22

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"	f7823a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f783dea.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1328

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1384
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98945dcbfb967d06c0cb3d47cd25dac0N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:560
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\98945dcbfb967d06c0cb3d47cd25dac0N.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Users\Admin\AppData\Local\Temp\f7823a7.exe
      C:\Users\Admin\AppData\Local\Temp\f7823a7.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:2268
  - - C:\Users\Admin\AppData\Local\Temp\f782c4e.exe
      C:\Users\Admin\AppData\Local\Temp\f782c4e.exe
      4⤵
      Executes dropped EXE
      PID:2628
  - - C:\Users\Admin\AppData\Local\Temp\f783dea.exe
      C:\Users\Admin\AppData\Local\Temp\f783dea.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:880

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1240

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