sality | a45745408dac4ffc665fa0223acdbfc2c0961e2f66760f590a733a331cd4b326

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7647aa.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"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f766539.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"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f766539.exe

Executes dropped EXE 3 IoCs

pid	Process
2156	f7647aa.exe
2596	f765032.exe
2552	f766539.exe

Loads dropped DLL 6 IoCs

pid	Process
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe
2340	rundll32.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-13-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-15-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-16-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-19-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-22-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-50-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-57-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-37-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-59-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-26-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-61-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-62-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-63-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-64-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-81-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-82-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-83-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-85-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-99-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-103-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-109-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-112-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2156-139-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2552-142-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/2552-179-0x0000000000900000-0x00000000019BA000-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\AntiVirusDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f766539.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7647aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f766539.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"	f766539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7647aa.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)	\??\I:	f7647aa.exe
File opened (read-only)	\??\J:	f7647aa.exe
File opened (read-only)	\??\K:	f7647aa.exe
File opened (read-only)	\??\L:	f7647aa.exe
File opened (read-only)	\??\M:	f7647aa.exe
File opened (read-only)	\??\E:	f7647aa.exe
File opened (read-only)	\??\G:	f7647aa.exe
File opened (read-only)	\??\H:	f7647aa.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76ae1a	f766539.exe
File created	C:\Windows\f764902	f7647aa.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7647aa.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2156	f7647aa.exe
2156	f7647aa.exe
2552	f766539.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2156	f7647aa.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe
Token: SeDebugPrivilege	2552	f766539.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2400 wrote to memory of 2340	2400	rundll32.exe	28
PID 2340 wrote to memory of 2156	2340	rundll32.exe	29
PID 2340 wrote to memory of 2156	2340	rundll32.exe	29
PID 2340 wrote to memory of 2156	2340	rundll32.exe	29
PID 2340 wrote to memory of 2156	2340	rundll32.exe	29
PID 2156 wrote to memory of 1128	2156	f7647aa.exe	13
PID 2156 wrote to memory of 1196	2156	f7647aa.exe	16
PID 2156 wrote to memory of 1280	2156	f7647aa.exe	14
PID 2156 wrote to memory of 696	2156	f7647aa.exe	20
PID 2156 wrote to memory of 2400	2156	f7647aa.exe	27
PID 2156 wrote to memory of 2340	2156	f7647aa.exe	28
PID 2156 wrote to memory of 2340	2156	f7647aa.exe	28
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2552	2340	rundll32.exe	31
PID 2340 wrote to memory of 2552	2340	rundll32.exe	31
PID 2340 wrote to memory of 2552	2340	rundll32.exe	31
PID 2340 wrote to memory of 2552	2340	rundll32.exe	31
PID 2156 wrote to memory of 1128	2156	f7647aa.exe	13
PID 2156 wrote to memory of 1196	2156	f7647aa.exe	16
PID 2156 wrote to memory of 1280	2156	f7647aa.exe	14
PID 2156 wrote to memory of 2596	2156	f7647aa.exe	30
PID 2156 wrote to memory of 2596	2156	f7647aa.exe	30
PID 2156 wrote to memory of 2552	2156	f7647aa.exe	31
PID 2156 wrote to memory of 2552	2156	f7647aa.exe	31
PID 2552 wrote to memory of 1128	2552	f766539.exe	13
PID 2552 wrote to memory of 1196	2552	f766539.exe	16
PID 2552 wrote to memory of 1280	2552	f766539.exe	14

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"	f7647aa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f766539.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5ac62c7541d52c4da40cf9eebb6aebb0.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5ac62c7541d52c4da40cf9eebb6aebb0.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - C:\Users\Admin\AppData\Local\Temp\f7647aa.exe
      C:\Users\Admin\AppData\Local\Temp\f7647aa.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:2156
  - - C:\Users\Admin\AppData\Local\Temp\f765032.exe
      C:\Users\Admin\AppData\Local\Temp\f765032.exe
      4⤵
      Executes dropped EXE
      PID:2596
  - - C:\Users\Admin\AppData\Local\Temp\f766539.exe
      C:\Users\Admin\AppData\Local\Temp\f766539.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:2552

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:696

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