sality | 5e7489798edab05dca42a42f82191c26cd83c93463efec7421ab4033a47ab7f3

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77d8e2.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"	f77d8e2.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"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77d8e2.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	f77d8e2.exe

Loads dropped DLL 2 IoCs

pid	Process
2700	rundll32.exe
2700	rundll32.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-13-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-15-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-16-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-17-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-18-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-19-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-20-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-21-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-22-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-23-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2768-25-0x0000000000590000-0x000000000164A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77d8e2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77d8e2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77d8e2.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"	f77d8e2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	f77d8e2.exe
File created	C:\Windows\f77e012	f77d8e2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2768	f77d8e2.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe
Token: SeDebugPrivilege	2768	f77d8e2.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 1408 wrote to memory of 2700	1408	rundll32.exe	29
PID 2700 wrote to memory of 2768	2700	rundll32.exe	30
PID 2700 wrote to memory of 2768	2700	rundll32.exe	30
PID 2700 wrote to memory of 2768	2700	rundll32.exe	30
PID 2700 wrote to memory of 2768	2700	rundll32.exe	30
PID 2768 wrote to memory of 1116	2768	f77d8e2.exe	10
PID 2768 wrote to memory of 1224	2768	f77d8e2.exe	9
PID 2768 wrote to memory of 1284	2768	f77d8e2.exe	8
PID 2768 wrote to memory of 1408	2768	f77d8e2.exe	2
PID 2768 wrote to memory of 2700	2768	f77d8e2.exe	29

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"	f77d8e2.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.85a27aee90fe5ef001f773ff5a351480.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.85a27aee90fe5ef001f773ff5a351480.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Users\Admin\AppData\Local\Temp\f77d8e2.exe
    C:\Users\Admin\AppData\Local\Temp\f77d8e2.exe
    3⤵
    - 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:2768

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1224

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery