sality | 1ed12a15da0b18ad6d6cc3003c664d25c332b83c57e7d1fc509d33b67449637c

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	821051dc9c1d17exeexeexeex.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"	821051dc9c1d17exeexeexeex.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"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	821051dc9c1d17exeexeexeex.exe

Disables Task Manager via registry modification
evasion

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2424-54-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-56-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-57-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-64-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-66-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-70-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-73-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-74-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-75-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-76-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-77-0x0000000001FD0000-0x000000000305E000-memory.dmp	upx
behavioral1/memory/2424-78-0x0000000001FD0000-0x000000000305E000-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\AntiVirusOverride = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	821051dc9c1d17exeexeexeex.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	821051dc9c1d17exeexeexeex.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"	821051dc9c1d17exeexeexeex.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	821051dc9c1d17exeexeexeex.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2424	821051dc9c1d17exeexeexeex.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe
Token: SeDebugPrivilege	2424	821051dc9c1d17exeexeexeex.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2424	821051dc9c1d17exeexeexeex.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1128	2424	821051dc9c1d17exeexeexeex.exe	14
PID 2424 wrote to memory of 1184	2424	821051dc9c1d17exeexeexeex.exe	13
PID 2424 wrote to memory of 1248	2424	821051dc9c1d17exeexeexeex.exe	12
PID 2424 wrote to memory of 1276	2424	821051dc9c1d17exeexeexeex.exe	7

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"	821051dc9c1d17exeexeexeex.exe

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1276

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\821051dc9c1d17exeexeexeex.exe
  "C:\Users\Admin\AppData\Local\Temp\821051dc9c1d17exeexeexeex.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Disables RegEdit via registry modification
  - 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:2424

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

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