b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3

Processes:

winlogon.exeservices.exelsass.exeinetinfo.exeb14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	inetinfo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\eksplorasi.exe\""	smss.exe

Modifies visibility of file extensions in Explorer 2 TTPs 6 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

Processes:

b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exewinlogon.exeservices.exelsass.exeinetinfo.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	inetinfo.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 6 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

Processes:

b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exewinlogon.exeservices.exelsass.exeinetinfo.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	inetinfo.exe

Disables RegEdit via registry modification 12 IoCs

Processes:

lsass.exeinetinfo.exeb14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exewinlogon.exeservices.exesmss.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	services.exe

Disables cmd.exe use via registry modification 6 IoCs

Processes:

winlogon.exeservices.exelsass.exeinetinfo.exeb14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	smss.exe

Drops file in Drivers directory 2 IoCs

Processes:

inetinfo.exe

description	ioc	process
File created	C:\Windows\System32\drivers\etc\hosts-Denied By-Admin.com	inetinfo.exe
File opened for modification	C:\Windows\System32\drivers\etc\hosts-Denied By-Admin.com	inetinfo.exe

Drops startup file 2 IoCs

Processes:

smss.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Empty.pif	smss.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Empty.pif	smss.exe

Executes dropped EXE 5 IoCs

Processes:

smss.exewinlogon.exeservices.exelsass.exeinetinfo.exe

pid process

4892 smss.exe
3632 winlogon.exe
4688 services.exe
4900 lsass.exe
3940 inetinfo.exe

pid	process
4892	smss.exe
3632	winlogon.exe
4688	services.exe
4900	lsass.exe
3940	inetinfo.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

winlogon.exeservices.exelsass.exeb14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exeinetinfo.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	lsass.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	smss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	smss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	inetinfo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	inetinfo.exe

Drops file in System32 directory 2 IoCs

Processes:

smss.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Admin's Setting.scr	smss.exe
File opened for modification	C:\Windows\SysWOW64\Admin's Setting.scr	smss.exe

Drops file in Windows directory 14 IoCs

Processes:

b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exewinlogon.exesmss.exeservices.exelsass.exeinetinfo.exe

description	ioc	process
File opened for modification	C:\Windows\ShellNew\sempalong.exe	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
File opened for modification	C:\Windows\eksplorasi.exe	winlogon.exe
File opened for modification	C:\Windows\eksplorasi.exe	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
File opened for modification	C:\Windows\eksplorasi.exe	smss.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	services.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	lsass.exe
File opened for modification	C:\Windows\eksplorasi.exe	lsass.exe
File opened for modification	C:\Windows\eksplorasi.exe	inetinfo.exe
File created	C:\Windows\ShellNew\sempalong.exe	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	smss.exe
File opened for modification	C:\Windows\eksplorasi.exe	services.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	inetinfo.exe
File created	C:\Windows\eksplorasi.exe	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	winlogon.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 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

Processes:

at.exelsass.exeexplorer.exesmss.exeat.exeservices.exeinetinfo.exeb14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exewinlogon.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	inetinfo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exewinlogon.exeservices.exelsass.exeinetinfo.exe

pid	process
1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
4892	smss.exe
3632	winlogon.exe
4688	services.exe
4900	lsass.exe
3940	inetinfo.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exesmss.exe

description	pid	process	target process
PID 1684 wrote to memory of 2964	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	explorer.exe
PID 1684 wrote to memory of 2964	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	explorer.exe
PID 1684 wrote to memory of 2964	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	explorer.exe
PID 1684 wrote to memory of 4892	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	smss.exe
PID 1684 wrote to memory of 4892	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	smss.exe
PID 1684 wrote to memory of 4892	1684	b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe	smss.exe
PID 4892 wrote to memory of 3632	4892	smss.exe	winlogon.exe
PID 4892 wrote to memory of 3632	4892	smss.exe	winlogon.exe
PID 4892 wrote to memory of 3632	4892	smss.exe	winlogon.exe
PID 4892 wrote to memory of 4488	4892	smss.exe	at.exe
PID 4892 wrote to memory of 4488	4892	smss.exe	at.exe
PID 4892 wrote to memory of 4488	4892	smss.exe	at.exe
PID 4892 wrote to memory of 856	4892	smss.exe	at.exe
PID 4892 wrote to memory of 856	4892	smss.exe	at.exe
PID 4892 wrote to memory of 856	4892	smss.exe	at.exe
PID 4892 wrote to memory of 4688	4892	smss.exe	services.exe
PID 4892 wrote to memory of 4688	4892	smss.exe	services.exe
PID 4892 wrote to memory of 4688	4892	smss.exe	services.exe
PID 4892 wrote to memory of 4900	4892	smss.exe	lsass.exe
PID 4892 wrote to memory of 4900	4892	smss.exe	lsass.exe
PID 4892 wrote to memory of 4900	4892	smss.exe	lsass.exe
PID 4892 wrote to memory of 3940	4892	smss.exe	inetinfo.exe
PID 4892 wrote to memory of 3940	4892	smss.exe	inetinfo.exe
PID 4892 wrote to memory of 3940	4892	smss.exe	inetinfo.exe

C:\Users\Admin\AppData\Local\Temp\b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.exe
"C:\Users\Admin\AppData\Local\Temp\b14ae1dd5d9e275f4206cc8eefc1f15130f3981aef3b9035b76f9a6559a233f3.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
- Disables cmd.exe use via registry modification
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2964
- C:\Users\Admin\AppData\Local\smss.exe
  C:\Users\Admin\AppData\Local\smss.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Disables RegEdit via registry modification
  - Disables cmd.exe use via registry modification
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Users\Admin\AppData\Local\winlogon.exe
    C:\Users\Admin\AppData\Local\winlogon.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Disables RegEdit via registry modification
    - Disables cmd.exe use via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3632
- - C:\Windows\SysWOW64\at.exe
    at /delete /y
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4488
- - C:\Windows\SysWOW64\at.exe
    at 17:08 /every:M,T,W,Th,F,S,Su "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Brengkolang.com"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:856
- - C:\Users\Admin\AppData\Local\services.exe
    C:\Users\Admin\AppData\Local\services.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Disables RegEdit via registry modification
    - Disables cmd.exe use via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4688
- - C:\Users\Admin\AppData\Local\lsass.exe
    C:\Users\Admin\AppData\Local\lsass.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Disables RegEdit via registry modification
    - Disables cmd.exe use via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4900
- - C:\Users\Admin\AppData\Local\inetinfo.exe
    C:\Users\Admin\AppData\Local\inetinfo.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Disables RegEdit via registry modification
    - Disables cmd.exe use via registry modification
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3940

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

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery