sality | 07f30401b80deb5f5d379207df94bb69da730c9f3c4f55a7e9f9456a3f4c247a

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76dda2.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76dda2.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76dda2.exe

Executes dropped EXE 2 IoCs

pid	Process
2360	f76dda2.exe
2800	f76f538.exe

Loads dropped DLL 4 IoCs

pid	Process
1720	rundll32.exe
1720	rundll32.exe
1720	rundll32.exe
1720	rundll32.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2360-14-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-16-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-17-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-18-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-21-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-24-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-26-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-34-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-57-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-62-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-65-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-66-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-67-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-69-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-70-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-71-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-73-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-76-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/2360-82-0x0000000000670000-0x000000000172A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76dda2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76dda2.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"	f76dda2.exe

Enumerates connected drives 3 TTPs 5 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:	f76dda2.exe
File opened (read-only)	\??\G:	f76dda2.exe
File opened (read-only)	\??\H:	f76dda2.exe
File opened (read-only)	\??\I:	f76dda2.exe
File opened (read-only)	\??\J:	f76dda2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76e3ab	f76dda2.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76dda2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2360	f76dda2.exe
2360	f76dda2.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe
Token: SeDebugPrivilege	2360	f76dda2.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 2788 wrote to memory of 1720	2788	rundll32.exe	28
PID 1720 wrote to memory of 2360	1720	rundll32.exe	29
PID 1720 wrote to memory of 2360	1720	rundll32.exe	29
PID 1720 wrote to memory of 2360	1720	rundll32.exe	29
PID 1720 wrote to memory of 2360	1720	rundll32.exe	29
PID 2360 wrote to memory of 1060	2360	f76dda2.exe	17
PID 2360 wrote to memory of 1136	2360	f76dda2.exe	15
PID 2360 wrote to memory of 1180	2360	f76dda2.exe	14
PID 2360 wrote to memory of 2788	2360	f76dda2.exe	10
PID 2360 wrote to memory of 1720	2360	f76dda2.exe	28
PID 2360 wrote to memory of 1720	2360	f76dda2.exe	28
PID 1720 wrote to memory of 2800	1720	rundll32.exe	32
PID 1720 wrote to memory of 2800	1720	rundll32.exe	32
PID 1720 wrote to memory of 2800	1720	rundll32.exe	32
PID 1720 wrote to memory of 2800	1720	rundll32.exe	32
PID 2360 wrote to memory of 1060	2360	f76dda2.exe	17
PID 2360 wrote to memory of 1136	2360	f76dda2.exe	15
PID 2360 wrote to memory of 1180	2360	f76dda2.exe	14
PID 2360 wrote to memory of 2800	2360	f76dda2.exe	32

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"	f76dda2.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bf0252fb37b0ea288eb95f7a1efab790.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.bf0252fb37b0ea288eb95f7a1efab790.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Users\Admin\AppData\Local\Temp\f76dda2.exe
    C:\Users\Admin\AppData\Local\Temp\f76dda2.exe
    3⤵
    - 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:2360
- - C:\Users\Admin\AppData\Local\Temp\f76f538.exe
    C:\Users\Admin\AppData\Local\Temp\f76f538.exe
    3⤵
    - Executes dropped EXE
    PID:2800

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1136

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

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