d4305e316f514f695057e32626778d9304fb2e3d7dff73ac40b6020ad60eb7f4

Processes:

winlogon.exeservices.exelsass.exeinetinfo.exeSt raphael juillet 2010.exesmss.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	inetinfo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	St raphael juillet 2010.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\BerasJatah.exe\""	smss.exe

Modifies visibility of file extensions in Explorer 2 TTPs 6 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

Processes:

St raphael juillet 2010.exesmss.exewinlogon.exeservices.exelsass.exeinetinfo.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	St raphael juillet 2010.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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:

inetinfo.exeSt raphael juillet 2010.exesmss.exewinlogon.exeservices.exelsass.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	St raphael juillet 2010.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	lsass.exe

Disables RegEdit via registry modification 12 IoCs

Processes:

St raphael juillet 2010.exesmss.exewinlogon.exeinetinfo.exeservices.exelsass.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	St raphael juillet 2010.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	St raphael juillet 2010.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	services.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "0"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	lsass.exe

Disables cmd.exe use via registry modification 6 IoCs

Processes:

lsass.exeinetinfo.exeSt raphael juillet 2010.exesmss.exewinlogon.exeservices.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	lsass.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	inetinfo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	St raphael juillet 2010.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	smss.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "0"	services.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

232 smss.exe
228 winlogon.exe
4068 services.exe
1088 lsass.exe
1584 inetinfo.exe

pid	process
232	smss.exe
228	winlogon.exe
4068	services.exe
1088	lsass.exe
1584	inetinfo.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

winlogon.exelsass.exeSt raphael juillet 2010.exesmss.exeservices.exeinetinfo.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Bron-Spizaetus = "\"C:\\Windows\\ShellNew\\sempalong.exe\""	winlogon.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-1-5-21-4124900551-4068476067-3491212533-1000\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\""	St raphael juillet 2010.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	St raphael juillet 2010.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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tok-Cirrhatus = "\"C:\\Users\\Admin\\AppData\\Local\\smss.exe\""	smss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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-1-5-21-4124900551-4068476067-3491212533-1000\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 12 IoCs

Processes:

smss.exeservices.exeSt raphael juillet 2010.exewinlogon.exelsass.exe

description	ioc	process
File opened for modification	C:\Windows\BerasJatah.exe	smss.exe
File opened for modification	C:\Windows\BerasJatah.exe	services.exe
File created	C:\Windows\BerasJatah.exe	St raphael juillet 2010.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	St raphael juillet 2010.exe
File opened for modification	C:\Windows\BerasJatah.exe	St raphael juillet 2010.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	smss.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	winlogon.exe
File opened for modification	C:\Windows\BerasJatah.exe	winlogon.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	services.exe
File opened for modification	C:\Windows\ShellNew\sempalong.exe	lsass.exe
File created	C:\Windows\ShellNew\sempalong.exe	St raphael juillet 2010.exe
File opened for modification	C:\Windows\BerasJatah.exe	lsass.exe

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings explorer.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

St raphael juillet 2010.exesmss.exewinlogon.exeservices.exelsass.exe

pid process

3128 St raphael juillet 2010.exe
232 smss.exe
228 winlogon.exe
4068 services.exe
1088 lsass.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings	explorer.exe

pid	process
3128	St raphael juillet 2010.exe
232	smss.exe
228	winlogon.exe
4068	services.exe
1088	lsass.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

St raphael juillet 2010.exesmss.exe

description	pid	process	target process
PID 3128 wrote to memory of 2940	3128	St raphael juillet 2010.exe	explorer.exe
PID 3128 wrote to memory of 2940	3128	St raphael juillet 2010.exe	explorer.exe
PID 3128 wrote to memory of 2940	3128	St raphael juillet 2010.exe	explorer.exe
PID 3128 wrote to memory of 232	3128	St raphael juillet 2010.exe	smss.exe
PID 3128 wrote to memory of 232	3128	St raphael juillet 2010.exe	smss.exe
PID 3128 wrote to memory of 232	3128	St raphael juillet 2010.exe	smss.exe
PID 232 wrote to memory of 228	232	smss.exe	winlogon.exe
PID 232 wrote to memory of 228	232	smss.exe	winlogon.exe
PID 232 wrote to memory of 228	232	smss.exe	winlogon.exe
PID 232 wrote to memory of 2672	232	smss.exe	at.exe
PID 232 wrote to memory of 2672	232	smss.exe	at.exe
PID 232 wrote to memory of 2672	232	smss.exe	at.exe
PID 232 wrote to memory of 5112	232	smss.exe	at.exe
PID 232 wrote to memory of 5112	232	smss.exe	at.exe
PID 232 wrote to memory of 5112	232	smss.exe	at.exe
PID 232 wrote to memory of 4068	232	smss.exe	services.exe
PID 232 wrote to memory of 4068	232	smss.exe	services.exe
PID 232 wrote to memory of 4068	232	smss.exe	services.exe
PID 232 wrote to memory of 1088	232	smss.exe	lsass.exe
PID 232 wrote to memory of 1088	232	smss.exe	lsass.exe
PID 232 wrote to memory of 1088	232	smss.exe	lsass.exe
PID 232 wrote to memory of 1584	232	smss.exe	inetinfo.exe
PID 232 wrote to memory of 1584	232	smss.exe	inetinfo.exe
PID 232 wrote to memory of 1584	232	smss.exe	inetinfo.exe

C:\Users\Admin\AppData\Local\Temp\St raphael juillet 2010.exe
"C:\Users\Admin\AppData\Local\Temp\St raphael juillet 2010.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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\SysWOW64\explorer.exe
explorer.exe
2⤵
- Modifies registry class
PID:2940

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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232

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
- Suspicious use of SetWindowsHookEx
PID:228

C:\Windows\SysWOW64\at.exe
at /delete /y
3⤵
PID:2672

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⤵
PID:5112

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
- Suspicious use of SetWindowsHookEx
PID:4068

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
- Suspicious use of SetWindowsHookEx
PID:1088

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
- Executes dropped EXE
- Adds Run key to start application
PID:1584

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