betabot | 4d850649831a4cad6dd9d2a6b67fbacc70933c15dd4bd56ff6ffdb27da7aa4a8

Windows Service

T1543.003

Processes:

explorer.exek19o73yy51m_1.exe

description	ioc	process
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	k19o73yy51m_1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	k19o73yy51m_1.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	k19o73yy51m_1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	k19o73yy51m_1.exe
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

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
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
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:

regedit.exek19o73yy51m_1.exeF048.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "ymibqhhtggt.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "lrhmeqiznrf.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe	k19o73yy51m_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "vkvisubcdqs.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\MRT.exe	k19o73yy51m_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "wbuhgvxp.exe"	k19o73yy51m_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\mrtstub.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe\Debugger = "nfupaljrw.exe"	k19o73yy51m_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\k19o73yy51m.exe\DisableExceptionChainValidation	F048.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "hzmbr.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe	k19o73yy51m_1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe	k19o73yy51m_1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\k19o73yy51m.exe	F048.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe	k19o73yy51m_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "tjipgxjg.exe"	k19o73yy51m_1.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\mbamgui.exe\Debugger = "muxtodbe.exe"	k19o73yy51m_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe\Debugger = "kyrhwbqd.exe"	k19o73yy51m_1.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
Deletes itself 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Executes dropped EXE 3 IoCs

Processes:

F048.exeFF66.exek19o73yy51m_1.exe

pid process

2692 F048.exe
3056 FF66.exe
2872 k19o73yy51m_1.exe
Loads dropped DLL 2 IoCs

Processes:

07ceef005d2626297437e3289872bf40.exeexplorer.exe

pid process

2436 07ceef005d2626297437e3289872bf40.exe
2520 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
1204	Explorer.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\\k19o73yy51m.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\\k19o73yy51m.exe\""	explorer.exe

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

Security Software Discovery

T1518.001

Processes:

k19o73yy51m_1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AntiVirService	k19o73yy51m_1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	k19o73yy51m_1.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

F048.exek19o73yy51m_1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	F048.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	k19o73yy51m_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:

F048.exeexplorer.exek19o73yy51m_1.exe

pid	process
2692	F048.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2520	explorer.exe
2872	k19o73yy51m_1.exe

NSIS installer 3 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\FF66.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\FF66.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\FF66.exe	nsis_installer_2

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

07ceef005d2626297437e3289872bf40.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07ceef005d2626297437e3289872bf40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07ceef005d2626297437e3289872bf40.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07ceef005d2626297437e3289872bf40.exe

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

Processes:

F048.exeexplorer.exek19o73yy51m_1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	F048.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	k19o73yy51m_1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	k19o73yy51m_1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	F048.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

824 schtasks.exe

pid	process
824	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

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\k19o73yy51m_1.exe:1BB7FB68	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\k19o73yy51m_1.exe:1BB7FB68	explorer.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid process

1544 regedit.exe

pid	process
1544	regedit.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

07ceef005d2626297437e3289872bf40.exeExplorer.EXE

pid	process
2436	07ceef005d2626297437e3289872bf40.exe
2436	07ceef005d2626297437e3289872bf40.exe
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

07ceef005d2626297437e3289872bf40.exeF048.exeexplorer.exek19o73yy51m_1.exe

pid	process
2436	07ceef005d2626297437e3289872bf40.exe
2692	F048.exe
2692	F048.exe
2520	explorer.exe
2520	explorer.exe
2872	k19o73yy51m_1.exe
2872	k19o73yy51m_1.exe
2520	explorer.exe

Suspicious use of AdjustPrivilegeToken 60 IoCs

Processes:

F048.exeexplorer.exek19o73yy51m_1.exeregedit.exe

description	pid	process
Token: SeDebugPrivilege	2692	F048.exe
Token: SeRestorePrivilege	2692	F048.exe
Token: SeBackupPrivilege	2692	F048.exe
Token: SeLoadDriverPrivilege	2692	F048.exe
Token: SeCreatePagefilePrivilege	2692	F048.exe
Token: SeShutdownPrivilege	2692	F048.exe
Token: SeTakeOwnershipPrivilege	2692	F048.exe
Token: SeChangeNotifyPrivilege	2692	F048.exe
Token: SeCreateTokenPrivilege	2692	F048.exe
Token: SeMachineAccountPrivilege	2692	F048.exe
Token: SeSecurityPrivilege	2692	F048.exe
Token: SeAssignPrimaryTokenPrivilege	2692	F048.exe
Token: SeCreateGlobalPrivilege	2692	F048.exe
Token: 33	2692	F048.exe
Token: SeDebugPrivilege	2520	explorer.exe
Token: SeRestorePrivilege	2520	explorer.exe
Token: SeBackupPrivilege	2520	explorer.exe
Token: SeLoadDriverPrivilege	2520	explorer.exe
Token: SeCreatePagefilePrivilege	2520	explorer.exe
Token: SeShutdownPrivilege	2520	explorer.exe
Token: SeTakeOwnershipPrivilege	2520	explorer.exe
Token: SeChangeNotifyPrivilege	2520	explorer.exe
Token: SeCreateTokenPrivilege	2520	explorer.exe
Token: SeMachineAccountPrivilege	2520	explorer.exe
Token: SeSecurityPrivilege	2520	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2520	explorer.exe
Token: SeCreateGlobalPrivilege	2520	explorer.exe
Token: 33	2520	explorer.exe
Token: SeDebugPrivilege	2872	k19o73yy51m_1.exe
Token: SeRestorePrivilege	2872	k19o73yy51m_1.exe
Token: SeBackupPrivilege	2872	k19o73yy51m_1.exe
Token: SeLoadDriverPrivilege	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeShutdownPrivilege	2872	k19o73yy51m_1.exe
Token: SeTakeOwnershipPrivilege	2872	k19o73yy51m_1.exe
Token: SeChangeNotifyPrivilege	2872	k19o73yy51m_1.exe
Token: SeCreateTokenPrivilege	2872	k19o73yy51m_1.exe
Token: SeMachineAccountPrivilege	2872	k19o73yy51m_1.exe
Token: SeSecurityPrivilege	2872	k19o73yy51m_1.exe
Token: SeAssignPrimaryTokenPrivilege	2872	k19o73yy51m_1.exe
Token: SeCreateGlobalPrivilege	2872	k19o73yy51m_1.exe
Token: 33	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeCreatePagefilePrivilege	2872	k19o73yy51m_1.exe
Token: SeDebugPrivilege	1544	regedit.exe
Token: SeRestorePrivilege	1544	regedit.exe
Token: SeBackupPrivilege	1544	regedit.exe
Token: SeLoadDriverPrivilege	1544	regedit.exe
Token: SeCreatePagefilePrivilege	1544	regedit.exe
Token: SeShutdownPrivilege	1544	regedit.exe
Token: SeTakeOwnershipPrivilege	1544	regedit.exe
Token: SeChangeNotifyPrivilege	1544	regedit.exe
Token: SeCreateTokenPrivilege	1544	regedit.exe
Token: SeMachineAccountPrivilege	1544	regedit.exe
Token: SeSecurityPrivilege	1544	regedit.exe
Token: SeAssignPrimaryTokenPrivilege	1544	regedit.exe
Token: SeCreateGlobalPrivilege	1544	regedit.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

Explorer.EXEF048.exeexplorer.exek19o73yy51m_1.exe

description	pid	process	target process
PID 1204 wrote to memory of 2692	1204	Explorer.EXE	F048.exe
PID 1204 wrote to memory of 2692	1204	Explorer.EXE	F048.exe
PID 1204 wrote to memory of 2692	1204	Explorer.EXE	F048.exe
PID 1204 wrote to memory of 2692	1204	Explorer.EXE	F048.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 2692 wrote to memory of 2520	2692	F048.exe	explorer.exe
PID 1204 wrote to memory of 3056	1204	Explorer.EXE	FF66.exe
PID 1204 wrote to memory of 3056	1204	Explorer.EXE	FF66.exe
PID 1204 wrote to memory of 3056	1204	Explorer.EXE	FF66.exe
PID 1204 wrote to memory of 3056	1204	Explorer.EXE	FF66.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1164	2520	explorer.exe	Dwm.exe
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 1204	2520	explorer.exe	Explorer.EXE
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2520 wrote to memory of 2872	2520	explorer.exe	k19o73yy51m_1.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 1544	2872	k19o73yy51m_1.exe	regedit.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2872 wrote to memory of 824	2872	k19o73yy51m_1.exe	schtasks.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe
PID 2520 wrote to memory of 1680	2520	explorer.exe	DllHost.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe
"C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe"
2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2436

C:\Users\Admin\AppData\Local\Temp\F048.exe
C:\Users\Admin\AppData\Local\Temp\F048.exe
2⤵
- Sets file execution options in registry
- Executes dropped EXE
- 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:2692

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- 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: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520

C:\Users\Admin\AppData\Local\Temp\k19o73yy51m_1.exe
/suac
4⤵
- 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:2872

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\SysWOW64\regedit.exe"
5⤵
- Modifies security service
- Sets file execution options in registry
- Sets service image path in registry
- Runs regedit.exe
- Suspicious use of AdjustPrivilegeToken
PID:1544

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\K19O73~1.EXE" /RL HIGHEST
5⤵
- Creates scheduled task(s)
PID:824

C:\Users\Admin\AppData\Local\Temp\FF66.exe
C:\Users\Admin\AppData\Local\Temp\FF66.exe
2⤵
- Executes dropped EXE
PID:3056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1680

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

System Information Discovery