fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\""	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Disables RegEdit via registry modification 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

Executes dropped EXE 7 IoCs

pid	Process
3420	xk.exe
2524	IExplorer.exe
4128	WINLOGON.EXE
2096	CSRSS.EXE
2308	SERVICES.EXE
3128	LSASS.EXE
4016	SMSS.EXE

Modifies system executable filetype association 2 TTPs 13 IoCs

persistence

Modify Registry

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1664-0-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x00070000000233fb-8.dat	upx
behavioral2/files/0x00070000000233ff-106.dat	upx
behavioral2/memory/3420-110-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/memory/2524-114-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023403-113.dat	upx
behavioral2/memory/2524-119-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023405-120.dat	upx
behavioral2/memory/4128-124-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023406-126.dat	upx
behavioral2/memory/2096-130-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023407-132.dat	upx
behavioral2/memory/2308-136-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023408-139.dat	upx
behavioral2/memory/3128-142-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x0007000000023409-144.dat	upx
behavioral2/memory/4016-149-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/memory/1664-151-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xk = "C:\\Windows\\xk.exe"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Mig2.scr	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File created	C:\Windows\SysWOW64\IExplorer.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File opened for modification	C:\Windows\SysWOW64\IExplorer.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File opened for modification	C:\Windows\SysWOW64\Mig2.scr	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File opened for modification	C:\Windows\SysWOW64\shell.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File created	C:\Windows\SysWOW64\shell.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\xk.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
File created	C:\Windows\xk.exe	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IExplorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINLOGON.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CSRSS.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SERVICES.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LSASS.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SMSS.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xk.exe

Modifies Control Panel 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\Mig~mig.SCR"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
3420	xk.exe
2524	IExplorer.exe
4128	WINLOGON.EXE
2096	CSRSS.EXE
2308	SERVICES.EXE
3128	LSASS.EXE
4016	SMSS.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3420	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	85
PID 1664 wrote to memory of 3420	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	85
PID 1664 wrote to memory of 3420	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	85
PID 1664 wrote to memory of 2524	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	86
PID 1664 wrote to memory of 2524	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	86
PID 1664 wrote to memory of 2524	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	86
PID 1664 wrote to memory of 4128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	88
PID 1664 wrote to memory of 4128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	88
PID 1664 wrote to memory of 4128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	88
PID 1664 wrote to memory of 2096	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	89
PID 1664 wrote to memory of 2096	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	89
PID 1664 wrote to memory of 2096	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	89
PID 1664 wrote to memory of 2308	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	90
PID 1664 wrote to memory of 2308	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	90
PID 1664 wrote to memory of 2308	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	90
PID 1664 wrote to memory of 3128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	91
PID 1664 wrote to memory of 3128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	91
PID 1664 wrote to memory of 3128	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	91
PID 1664 wrote to memory of 4016	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	92
PID 1664 wrote to memory of 4016	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	92
PID 1664 wrote to memory of 4016	1664	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe	92

System policy modification 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe

C:\Users\Admin\AppData\Local\Temp\fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe
"C:\Users\Admin\AppData\Local\Temp\fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1664
- C:\Windows\xk.exe
  C:\Windows\xk.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3420
- C:\Windows\SysWOW64\IExplorer.exe
  C:\Windows\system32\IExplorer.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2524
- C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE
  "C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4128
- C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE
  "C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2096
- C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE
  "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2308
- C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE
  "C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3128
- C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE
  "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery