betabot | 705662ead94a35c0ed94a959c96de51bef2fbe996dda6569cd90cfc65194fda3

Windows Service

T1543.003

Processes:

explorer.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	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

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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exeE80E.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 = "zqea.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\qi1q9375yw1.exe	E80E.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\qi1q9375yw1.exe\DisableExceptionChainValidation	E80E.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

1264 Explorer.EXE
Executes dropped EXE 1 IoCs

Processes:

E80E.exe

pid process

2688 E80E.exe

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

pid	process
1264	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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\qi1q9375yw1.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\qi1q9375yw1.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

E80E.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA E80E.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	E80E.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

E80E.exeexplorer.exe

pid	process
2688	E80E.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe
2740	explorer.exe

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:

bb77ec808a0d3dca791c2cc72d2020af.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb77ec808a0d3dca791c2cc72d2020af.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb77ec808a0d3dca791c2cc72d2020af.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb77ec808a0d3dca791c2cc72d2020af.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

Processes:

E80E.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	E80E.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	E80E.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

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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

bb77ec808a0d3dca791c2cc72d2020af.exeExplorer.EXE

pid	process
1880	bb77ec808a0d3dca791c2cc72d2020af.exe
1880	bb77ec808a0d3dca791c2cc72d2020af.exe
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

bb77ec808a0d3dca791c2cc72d2020af.exeE80E.exeexplorer.exe

pid process

1880 bb77ec808a0d3dca791c2cc72d2020af.exe
2688 E80E.exe
2688 E80E.exe
2740 explorer.exe
2740 explorer.exe
2740 explorer.exe
2740 explorer.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

E80E.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2688	E80E.exe
Token: SeRestorePrivilege	2688	E80E.exe
Token: SeBackupPrivilege	2688	E80E.exe
Token: SeLoadDriverPrivilege	2688	E80E.exe
Token: SeCreatePagefilePrivilege	2688	E80E.exe
Token: SeShutdownPrivilege	2688	E80E.exe
Token: SeTakeOwnershipPrivilege	2688	E80E.exe
Token: SeChangeNotifyPrivilege	2688	E80E.exe
Token: SeCreateTokenPrivilege	2688	E80E.exe
Token: SeMachineAccountPrivilege	2688	E80E.exe
Token: SeSecurityPrivilege	2688	E80E.exe
Token: SeAssignPrimaryTokenPrivilege	2688	E80E.exe
Token: SeCreateGlobalPrivilege	2688	E80E.exe
Token: 33	2688	E80E.exe
Token: SeDebugPrivilege	2740	explorer.exe
Token: SeRestorePrivilege	2740	explorer.exe
Token: SeBackupPrivilege	2740	explorer.exe
Token: SeLoadDriverPrivilege	2740	explorer.exe
Token: SeCreatePagefilePrivilege	2740	explorer.exe
Token: SeShutdownPrivilege	2740	explorer.exe
Token: SeTakeOwnershipPrivilege	2740	explorer.exe
Token: SeChangeNotifyPrivilege	2740	explorer.exe
Token: SeCreateTokenPrivilege	2740	explorer.exe
Token: SeMachineAccountPrivilege	2740	explorer.exe
Token: SeSecurityPrivilege	2740	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2740	explorer.exe
Token: SeCreateGlobalPrivilege	2740	explorer.exe
Token: 33	2740	explorer.exe
Token: SeShutdownPrivilege	1264	Explorer.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

Explorer.EXEE80E.exeexplorer.exe

description	pid	process	target process
PID 1264 wrote to memory of 2688	1264	Explorer.EXE	E80E.exe
PID 1264 wrote to memory of 2688	1264	Explorer.EXE	E80E.exe
PID 1264 wrote to memory of 2688	1264	Explorer.EXE	E80E.exe
PID 1264 wrote to memory of 2688	1264	Explorer.EXE	E80E.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2688 wrote to memory of 2740	2688	E80E.exe	explorer.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1228	2740	explorer.exe	Dwm.exe
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 1264	2740	explorer.exe	Explorer.EXE
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2884	2740	explorer.exe	DllHost.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe
PID 2740 wrote to memory of 2940	2740	explorer.exe	WerFault.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\bb77ec808a0d3dca791c2cc72d2020af.exe
"C:\Users\Admin\AppData\Local\Temp\bb77ec808a0d3dca791c2cc72d2020af.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1880

C:\Users\Admin\AppData\Local\Temp\E80E.exe
C:\Users\Admin\AppData\Local\Temp\E80E.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:2688

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
- Adds Run key to start application
- 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
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2884

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2884 -s 388
2⤵
PID:2940

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

4

System Information Discovery

5

Peripheral Device Discovery