sality | 83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-55-0x0000000001E20000-0x0000000002EAE000-memory.dmp	upx
behavioral1/memory/1992-57-0x0000000001E20000-0x0000000002EAE000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.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"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
Token: SeDebugPrivilege	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1132	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe	10
PID 1992 wrote to memory of 1184	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe	9
PID 1992 wrote to memory of 1224	1992	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe	8

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"	83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe
  "C:\Users\Admin\AppData\Local\Temp\83a801d89b9422c55f55983b4a923ab94cd6fe9b0d8c64a6efc31c9bd41b477c.exe"
  2⤵
  - 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 WriteProcessMemory
  - System policy modification
  PID:1992

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery