sality | b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.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"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.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"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1584-55-0x0000000002430000-0x00000000034BE000-memory.dmp	upx
behavioral1/memory/1584-57-0x0000000002430000-0x00000000034BE000-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\UacDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.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"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
Token: SeDebugPrivilege	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1140	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe	16
PID 1584 wrote to memory of 1208	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe	15
PID 1584 wrote to memory of 1256	1584	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe	14

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"	b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.exe
  "C:\Users\Admin\AppData\Local\Temp\b04911a3a1919ee793aceaadafa0b3a1d0cd1445ef076ce8d68da7f69771bb9c.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:1584

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1208

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1140

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