betabot | ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2

Windows Service

T1543.003

Processes:

explorer.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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exeae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

description	ioc	process
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 = "wklglivrtq.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\g9iw15s5iyaa.exe	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\g9iw15s5iyaa.exe\DisableExceptionChainValidation	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.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:

g9iw15s5iyaa_1.exe

pid process

864 g9iw15s5iyaa_1.exe
Loads dropped DLL 1 IoCs

Processes:

explorer.exe

pid process

2900 explorer.exe

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

pid	process
864	g9iw15s5iyaa_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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\g9iw15s5iyaa.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\g9iw15s5iyaa.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.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 11 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

pid	process
1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

Processes:

explorer.exeae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\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-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\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\g9iw15s5iyaa_1.exe:1BB7FB68	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\g9iw15s5iyaa_1.exe:1BB7FB68	explorer.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

explorer.exe

pid	process
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

pid	process
1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe
2900	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

pid process

1224 ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeRestorePrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeBackupPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeLoadDriverPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreatePagefilePrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeShutdownPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeTakeOwnershipPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeChangeNotifyPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreateTokenPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeMachineAccountPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeSecurityPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeAssignPrimaryTokenPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreateGlobalPrivilege	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: 33	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeDebugPrivilege	2900	explorer.exe
Token: SeRestorePrivilege	2900	explorer.exe
Token: SeBackupPrivilege	2900	explorer.exe
Token: SeLoadDriverPrivilege	2900	explorer.exe
Token: SeCreatePagefilePrivilege	2900	explorer.exe
Token: SeShutdownPrivilege	2900	explorer.exe
Token: SeTakeOwnershipPrivilege	2900	explorer.exe
Token: SeChangeNotifyPrivilege	2900	explorer.exe
Token: SeCreateTokenPrivilege	2900	explorer.exe
Token: SeMachineAccountPrivilege	2900	explorer.exe
Token: SeSecurityPrivilege	2900	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2900	explorer.exe
Token: SeCreateGlobalPrivilege	2900	explorer.exe
Token: 33	2900	explorer.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

description	pid	process	target process
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1224 wrote to memory of 2900	1224	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1152	2900	explorer.exe	Dwm.exe
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 1188	2900	explorer.exe	Explorer.EXE
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 2920	2900	explorer.exe	DllHost.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe
PID 2900 wrote to memory of 864	2900	explorer.exe	g9iw15s5iyaa_1.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Users\Admin\AppData\Local\Temp\ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
"C:\Users\Admin\AppData\Local\Temp\ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe"
2⤵
- 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:1224

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: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\g9iw15s5iyaa_1.exe
/suac
4⤵
- Executes dropped EXE
PID:864

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2920

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

6

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4