a27e62c716fd3e19d53fe27c25a3238d805fecc13375b46c67409eabc0c7275e

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	79e37b464938e19ec450f2408bf5dd07.exe

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	79e37b464938e19ec450f2408bf5dd07.exe

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	79e37b464938e19ec450f2408bf5dd07.exe

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	79e37b464938e19ec450f2408bf5dd07.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"	79e37b464938e19ec450f2408bf5dd07.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	79e37b464938e19ec450f2408bf5dd07.exe
File created	C:\Windows\SysWOW64\sdra64.exe	79e37b464938e19ec450f2408bf5dd07.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4712	79e37b464938e19ec450f2408bf5dd07.exe
4712	79e37b464938e19ec450f2408bf5dd07.exe
4712	79e37b464938e19ec450f2408bf5dd07.exe
4712	79e37b464938e19ec450f2408bf5dd07.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	2856	79e37b464938e19ec450f2408bf5dd07.exe
Token: SeDebugPrivilege	4712	79e37b464938e19ec450f2408bf5dd07.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2856	79e37b464938e19ec450f2408bf5dd07.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 2856 wrote to memory of 4712	2856	79e37b464938e19ec450f2408bf5dd07.exe	89
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5
PID 4712 wrote to memory of 616	4712	79e37b464938e19ec450f2408bf5dd07.exe	5

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"	79e37b464938e19ec450f2408bf5dd07.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\79e37b464938e19ec450f2408bf5dd07.exe
"C:\Users\Admin\AppData\Local\Temp\79e37b464938e19ec450f2408bf5dd07.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2856
- C:\Users\Admin\AppData\Local\Temp\79e37b464938e19ec450f2408bf5dd07.exe
  C:\Users\Admin\AppData\Local\Temp\79e37b464938e19ec450f2408bf5dd07.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry