sality | ed8da93e4ac3a6302145aa49f185cd269719a36846de2e515291b2d1ad29fe62

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7680c4.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"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769b36.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\AntiVirusOverride = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769b36.exe

Executes dropped EXE 3 IoCs

pid	Process
2568	f7680c4.exe
2672	f768a36.exe
2544	f769b36.exe

Loads dropped DLL 6 IoCs

pid	Process
1252	rundll32.exe
1252	rundll32.exe
1252	rundll32.exe
1252	rundll32.exe
1252	rundll32.exe
1252	rundll32.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-12-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-11-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-14-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-15-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-19-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-24-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-28-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-40-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-58-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-60-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-62-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-64-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/1252-76-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2568-77-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-79-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-81-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-82-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-84-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-86-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-104-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-106-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2568-147-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2544-151-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/2544-187-0x0000000000920000-0x00000000019DA000-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"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769b36.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7680c4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769b36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769b36.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"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769b36.exe

Enumerates connected drives 3 TTPs 9 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:	f7680c4.exe
File opened (read-only)	\??\N:	f7680c4.exe
File opened (read-only)	\??\G:	f7680c4.exe
File opened (read-only)	\??\H:	f7680c4.exe
File opened (read-only)	\??\I:	f7680c4.exe
File opened (read-only)	\??\J:	f7680c4.exe
File opened (read-only)	\??\E:	f7680c4.exe
File opened (read-only)	\??\K:	f7680c4.exe
File opened (read-only)	\??\M:	f7680c4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f7682b7	f7680c4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7680c4.exe
File created	C:\Windows\f76df38	f769b36.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2568	f7680c4.exe
2568	f7680c4.exe
2544	f769b36.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2568	f7680c4.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe
Token: SeDebugPrivilege	2544	f769b36.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1940 wrote to memory of 1252	1940	rundll32.exe	28
PID 1252 wrote to memory of 2568	1252	rundll32.exe	29
PID 1252 wrote to memory of 2568	1252	rundll32.exe	29
PID 1252 wrote to memory of 2568	1252	rundll32.exe	29
PID 1252 wrote to memory of 2568	1252	rundll32.exe	29
PID 2568 wrote to memory of 1244	2568	f7680c4.exe	13
PID 2568 wrote to memory of 1352	2568	f7680c4.exe	12
PID 2568 wrote to memory of 1416	2568	f7680c4.exe	11
PID 2568 wrote to memory of 1924	2568	f7680c4.exe	9
PID 2568 wrote to memory of 1940	2568	f7680c4.exe	27
PID 2568 wrote to memory of 1252	2568	f7680c4.exe	28
PID 2568 wrote to memory of 1252	2568	f7680c4.exe	28
PID 1252 wrote to memory of 2672	1252	rundll32.exe	30
PID 1252 wrote to memory of 2672	1252	rundll32.exe	30
PID 1252 wrote to memory of 2672	1252	rundll32.exe	30
PID 1252 wrote to memory of 2672	1252	rundll32.exe	30
PID 1252 wrote to memory of 2544	1252	rundll32.exe	31
PID 1252 wrote to memory of 2544	1252	rundll32.exe	31
PID 1252 wrote to memory of 2544	1252	rundll32.exe	31
PID 1252 wrote to memory of 2544	1252	rundll32.exe	31
PID 2568 wrote to memory of 1244	2568	f7680c4.exe	13
PID 2568 wrote to memory of 1352	2568	f7680c4.exe	12
PID 2568 wrote to memory of 1416	2568	f7680c4.exe	11
PID 2568 wrote to memory of 2672	2568	f7680c4.exe	30
PID 2568 wrote to memory of 2672	2568	f7680c4.exe	30
PID 2568 wrote to memory of 2544	2568	f7680c4.exe	31
PID 2568 wrote to memory of 2544	2568	f7680c4.exe	31
PID 2544 wrote to memory of 1244	2544	f769b36.exe	13
PID 2544 wrote to memory of 1352	2544	f769b36.exe	12
PID 2544 wrote to memory of 1416	2544	f769b36.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"	f7680c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769b36.exe

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1416
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b95828865b65d04f899da76da4e94230.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b95828865b65d04f899da76da4e94230.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1252
  - - C:\Users\Admin\AppData\Local\Temp\f7680c4.exe
      C:\Users\Admin\AppData\Local\Temp\f7680c4.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:2568
  - - C:\Users\Admin\AppData\Local\Temp\f768a36.exe
      C:\Users\Admin\AppData\Local\Temp\f768a36.exe
      4⤵
      Executes dropped EXE
      PID:2672
  - - C:\Users\Admin\AppData\Local\Temp\f769b36.exe
      C:\Users\Admin\AppData\Local\Temp\f769b36.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:2544

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1352

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1244

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 Tools

Modify Registry