sality | 1547745358f542a3620a00dd50235f6cf7665687064adf1d6a0a112b45081644

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	51031eb2957eac19640529de0c551b6f.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"	51031eb2957eac19640529de0c551b6f.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\FirewallOverride = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-2-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-4-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-5-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-8-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-12-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-13-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-14-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-21-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-22-0x0000000001E10000-0x0000000002E9E000-memory.dmp	upx
behavioral1/memory/2192-23-0x0000000001E10000-0x0000000002E9E000-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\AntiVirusOverride = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	51031eb2957eac19640529de0c551b6f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	51031eb2957eac19640529de0c551b6f.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"	51031eb2957eac19640529de0c551b6f.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	51031eb2957eac19640529de0c551b6f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2192	51031eb2957eac19640529de0c551b6f.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe
Token: SeDebugPrivilege	2192	51031eb2957eac19640529de0c551b6f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2192	51031eb2957eac19640529de0c551b6f.exe
2192	51031eb2957eac19640529de0c551b6f.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 1112	2192	51031eb2957eac19640529de0c551b6f.exe	19
PID 2192 wrote to memory of 1168	2192	51031eb2957eac19640529de0c551b6f.exe	20

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"	51031eb2957eac19640529de0c551b6f.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Users\Admin\AppData\Local\Temp\51031eb2957eac19640529de0c551b6f.exe
"C:\Users\Admin\AppData\Local\Temp\51031eb2957eac19640529de0c551b6f.exe"
1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2192

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