sality | 969d86f872448654ec18e98d7277ff124b7cc26f515008a954bd21d10b35a586

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	a23bb58ae7ffb23c1f5b877d87978b10.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"	a23bb58ae7ffb23c1f5b877d87978b10.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"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2752	hvatjw.exe

Loads dropped DLL 2 IoCs

pid	Process
2056	a23bb58ae7ffb23c1f5b877d87978b10.exe
2056	a23bb58ae7ffb23c1f5b877d87978b10.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2056-1-0x0000000001F90000-0x000000000301E000-memory.dmp	upx
behavioral1/memory/2056-11-0x0000000001F90000-0x000000000301E000-memory.dmp	upx
behavioral1/memory/2056-13-0x0000000001F90000-0x000000000301E000-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"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	a23bb58ae7ffb23c1f5b877d87978b10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	a23bb58ae7ffb23c1f5b877d87978b10.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\hvatjw.exe"	hvatjw.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"	a23bb58ae7ffb23c1f5b877d87978b10.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	a23bb58ae7ffb23c1f5b877d87978b10.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2752	2056	a23bb58ae7ffb23c1f5b877d87978b10.exe	21
PID 2056 wrote to memory of 2752	2056	a23bb58ae7ffb23c1f5b877d87978b10.exe	21
PID 2056 wrote to memory of 2752	2056	a23bb58ae7ffb23c1f5b877d87978b10.exe	21
PID 2056 wrote to memory of 2752	2056	a23bb58ae7ffb23c1f5b877d87978b10.exe	21

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"	a23bb58ae7ffb23c1f5b877d87978b10.exe

C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe
"C:\Users\Admin\AppData\Local\Temp\a23bb58ae7ffb23c1f5b877d87978b10.exe"
1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2056
- C:\ProgramData\hvatjw.exe
  "C:\ProgramData\hvatjw.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control