betabot | ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75

Windows Service

T1543.003

Processes:

explorer.exey1s5517139k_1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	y1s5517139k_1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	y1s5517139k_1.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	y1s5517139k_1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	y1s5517139k_1.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

regedit.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath regedit.exe
Disables taskbar notifications via registry modification
evasion
Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath	regedit.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

y1s5517139k_1.exeregedit.exeed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe\Debugger = "jrxs.exe"	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "ykqr.exe"	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "asmqpcugujm.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "jwusnhmfiis.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "nqeh.exe"	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "mvpfbebfkvq.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe\Debugger = "vjdwdv.exe"	y1s5517139k_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe\Debugger = "uvpu.exe"	y1s5517139k_1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\y1s5517139k.exe	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\y1s5517139k.exe\DisableExceptionChainValidation	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "dhbe.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe	y1s5517139k_1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe	y1s5517139k_1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mrtstub.exe	regedit.exe

Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

regedit.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath regedit.exe
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe
Executes dropped EXE 1 IoCs

Processes:

y1s5517139k_1.exe

pid process

800 y1s5517139k_1.exe
Loads dropped DLL 1 IoCs

Processes:

explorer.exe

pid process

2720 explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath	regedit.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

pid	process
800	y1s5517139k_1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\y1s5517139k.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\y1s5517139k.exe\""	explorer.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

Processes:

y1s5517139k_1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AntiVirService	y1s5517139k_1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	y1s5517139k_1.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exey1s5517139k_1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	y1s5517139k_1.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\ProgramData\Java Updater\desktop.ini explorer.exe

description	ioc	process
File opened for modification	C:\ProgramData\Java Updater\desktop.ini	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exey1s5517139k_1.exe

pid	process
1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
800	y1s5517139k_1.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exey1s5517139k_1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	y1s5517139k_1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	y1s5517139k_1.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2188 schtasks.exe

pid	process
2188	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	explorer.exe

Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs

Modify Registry

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

NTFS ADS 2 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\y1s5517139k_1.exe:1BB7FB68	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\y1s5517139k_1.exe:1BB7FB68	explorer.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid process

1684 regedit.exe

pid	process
1684	regedit.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

Processes:

explorer.exe

pid	process
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exey1s5517139k_1.exe

pid	process
1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
2720	explorer.exe
2720	explorer.exe
2720	explorer.exe
800	y1s5517139k_1.exe
800	y1s5517139k_1.exe
2720	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe

pid process

1204 ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe

Suspicious use of AdjustPrivilegeToken 60 IoCs

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exey1s5517139k_1.exeregedit.exe

description	pid	process
Token: SeDebugPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeRestorePrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeBackupPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeLoadDriverPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeCreatePagefilePrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeShutdownPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeTakeOwnershipPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeChangeNotifyPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeCreateTokenPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeMachineAccountPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeSecurityPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeAssignPrimaryTokenPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeCreateGlobalPrivilege	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: 33	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
Token: SeDebugPrivilege	2720	explorer.exe
Token: SeRestorePrivilege	2720	explorer.exe
Token: SeBackupPrivilege	2720	explorer.exe
Token: SeLoadDriverPrivilege	2720	explorer.exe
Token: SeCreatePagefilePrivilege	2720	explorer.exe
Token: SeShutdownPrivilege	2720	explorer.exe
Token: SeTakeOwnershipPrivilege	2720	explorer.exe
Token: SeChangeNotifyPrivilege	2720	explorer.exe
Token: SeCreateTokenPrivilege	2720	explorer.exe
Token: SeMachineAccountPrivilege	2720	explorer.exe
Token: SeSecurityPrivilege	2720	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2720	explorer.exe
Token: SeCreateGlobalPrivilege	2720	explorer.exe
Token: 33	2720	explorer.exe
Token: SeDebugPrivilege	800	y1s5517139k_1.exe
Token: SeRestorePrivilege	800	y1s5517139k_1.exe
Token: SeBackupPrivilege	800	y1s5517139k_1.exe
Token: SeLoadDriverPrivilege	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeShutdownPrivilege	800	y1s5517139k_1.exe
Token: SeTakeOwnershipPrivilege	800	y1s5517139k_1.exe
Token: SeChangeNotifyPrivilege	800	y1s5517139k_1.exe
Token: SeCreateTokenPrivilege	800	y1s5517139k_1.exe
Token: SeMachineAccountPrivilege	800	y1s5517139k_1.exe
Token: SeSecurityPrivilege	800	y1s5517139k_1.exe
Token: SeAssignPrimaryTokenPrivilege	800	y1s5517139k_1.exe
Token: SeCreateGlobalPrivilege	800	y1s5517139k_1.exe
Token: 33	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeCreatePagefilePrivilege	800	y1s5517139k_1.exe
Token: SeDebugPrivilege	1684	regedit.exe
Token: SeRestorePrivilege	1684	regedit.exe
Token: SeBackupPrivilege	1684	regedit.exe
Token: SeLoadDriverPrivilege	1684	regedit.exe
Token: SeCreatePagefilePrivilege	1684	regedit.exe
Token: SeShutdownPrivilege	1684	regedit.exe
Token: SeTakeOwnershipPrivilege	1684	regedit.exe
Token: SeChangeNotifyPrivilege	1684	regedit.exe
Token: SeCreateTokenPrivilege	1684	regedit.exe
Token: SeMachineAccountPrivilege	1684	regedit.exe
Token: SeSecurityPrivilege	1684	regedit.exe
Token: SeAssignPrimaryTokenPrivilege	1684	regedit.exe
Token: SeCreateGlobalPrivilege	1684	regedit.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exeexplorer.exey1s5517139k_1.exe

description	pid	process	target process
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 1204 wrote to memory of 2720	1204	ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe	explorer.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1280	2720	explorer.exe	Dwm.exe
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1324	2720	explorer.exe	Explorer.EXE
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 1940	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 2720 wrote to memory of 800	2720	explorer.exe	y1s5517139k_1.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 1684	800	y1s5517139k_1.exe	regedit.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 800 wrote to memory of 2188	800	y1s5517139k_1.exe	schtasks.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe
PID 2720 wrote to memory of 2652	2720	explorer.exe	DllHost.exe

C:\Users\Admin\AppData\Local\Temp\ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe
"C:\Users\Admin\AppData\Local\Temp\ed41bf0e94275b364eccc74b8eed5e91e15a75626065df7b603e4fbfe4b0ac75.exe"
1⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
2⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720

C:\Users\Admin\AppData\Local\Temp\y1s5517139k_1.exe
/suac
3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Executes dropped EXE
- Checks for any installed AV software in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\SysWOW64\regedit.exe"
4⤵
- Modifies security service
- Sets file execution options in registry
- Sets service image path in registry
- Runs regedit.exe
- Suspicious use of AdjustPrivilegeToken
PID:1684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\Y1S551~1.EXE" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:2188

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1324

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1280

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery