betabot | 6a4a7355b992673eecda83e99103ddd832d993ba1e66521a36f69a9d38ce5418

Windows Service

T1543.003

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

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\17k7c557q97ie1w.exe\DisableExceptionChainValidation	AAD6.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 = "keivktkbzl.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\17k7c557q97ie1w.exe	AAD6.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	B007.exe

Deletes itself 1 IoCs

pid	Process
3556	Process not Found

Executes dropped EXE 5 IoCs

pid	Process
1800	AAD6.exe
4420	B007.exe
5008	WindowsUpdater.exe
60	ehhbefv
4040	ehhbefv

Loads dropped DLL 2 IoCs

pid	Process
5008	WindowsUpdater.exe
5008	WindowsUpdater.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\17k7c557q97ie1w.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\17k7c557q97ie1w.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AAD6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
1800	AAD6.exe
1100	explorer.exe
1100	explorer.exe
1100	explorer.exe
1100	explorer.exe
1100	explorer.exe
1100	explorer.exe
1100	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 60 set thread context of 4040	60	ehhbefv	113

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4028	4768	WerFault.exe	91
4696	1100	WerFault.exe	104
4696	4040	WerFault.exe	113

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bca382ae53d61ae12b6e3420cf474f6f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bca382ae53d61ae12b6e3420cf474f6f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bca382ae53d61ae12b6e3420cf474f6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ehhbefv
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ehhbefv
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ehhbefv

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AAD6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AAD6.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

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4768	bca382ae53d61ae12b6e3420cf474f6f.exe
4768	bca382ae53d61ae12b6e3420cf474f6f.exe
3556	Process not Found
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Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
4768	bca382ae53d61ae12b6e3420cf474f6f.exe
1800	AAD6.exe
1800	AAD6.exe
4040	ehhbefv

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Process not Found
Token: SeCreatePagefilePrivilege	3556	Process not Found
Token: SeDebugPrivilege	1800	AAD6.exe
Token: SeRestorePrivilege	1800	AAD6.exe
Token: SeBackupPrivilege	1800	AAD6.exe
Token: SeLoadDriverPrivilege	1800	AAD6.exe
Token: SeCreatePagefilePrivilege	1800	AAD6.exe
Token: SeShutdownPrivilege	1800	AAD6.exe
Token: SeTakeOwnershipPrivilege	1800	AAD6.exe
Token: SeChangeNotifyPrivilege	1800	AAD6.exe
Token: SeCreateTokenPrivilege	1800	AAD6.exe
Token: SeMachineAccountPrivilege	1800	AAD6.exe
Token: SeSecurityPrivilege	1800	AAD6.exe
Token: SeAssignPrimaryTokenPrivilege	1800	AAD6.exe
Token: SeCreateGlobalPrivilege	1800	AAD6.exe
Token: 33	1800	AAD6.exe
Token: SeDebugPrivilege	1100	explorer.exe
Token: SeRestorePrivilege	1100	explorer.exe
Token: SeBackupPrivilege	1100	explorer.exe
Token: SeLoadDriverPrivilege	1100	explorer.exe
Token: SeCreatePagefilePrivilege	1100	explorer.exe
Token: SeShutdownPrivilege	1100	explorer.exe
Token: SeTakeOwnershipPrivilege	1100	explorer.exe
Token: SeChangeNotifyPrivilege	1100	explorer.exe
Token: SeCreateTokenPrivilege	1100	explorer.exe
Token: SeMachineAccountPrivilege	1100	explorer.exe
Token: SeSecurityPrivilege	1100	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1100	explorer.exe
Token: SeCreateGlobalPrivilege	1100	explorer.exe
Token: 33	1100	explorer.exe
Token: SeShutdownPrivilege	3556	Process not Found
Token: SeCreatePagefilePrivilege	3556	Process not Found
Token: SeShutdownPrivilege	3556	Process not Found
Token: SeCreatePagefilePrivilege	3556	Process not Found
Token: SeShutdownPrivilege	3556	Process not Found
Token: SeCreatePagefilePrivilege	3556	Process not Found

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 2472 wrote to memory of 4768	2472	bca382ae53d61ae12b6e3420cf474f6f.exe	91
PID 3556 wrote to memory of 1800	3556	Process not Found	103
PID 3556 wrote to memory of 1800	3556	Process not Found	103
PID 3556 wrote to memory of 1800	3556	Process not Found	103
PID 1800 wrote to memory of 1100	1800	AAD6.exe	104
PID 1800 wrote to memory of 1100	1800	AAD6.exe	104
PID 1800 wrote to memory of 1100	1800	AAD6.exe	104
PID 3556 wrote to memory of 4420	3556	Process not Found	105
PID 3556 wrote to memory of 4420	3556	Process not Found	105
PID 3556 wrote to memory of 4420	3556	Process not Found	105
PID 4420 wrote to memory of 5008	4420	B007.exe	106
PID 4420 wrote to memory of 5008	4420	B007.exe	106
PID 4420 wrote to memory of 5008	4420	B007.exe	106
PID 60 wrote to memory of 4040	60	ehhbefv	113
PID 60 wrote to memory of 4040	60	ehhbefv	113
PID 60 wrote to memory of 4040	60	ehhbefv	113
PID 60 wrote to memory of 4040	60	ehhbefv	113
PID 60 wrote to memory of 4040	60	ehhbefv	113
PID 60 wrote to memory of 4040	60	ehhbefv	113

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\bca382ae53d61ae12b6e3420cf474f6f.exe
"C:\Users\Admin\AppData\Local\Temp\bca382ae53d61ae12b6e3420cf474f6f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\bca382ae53d61ae12b6e3420cf474f6f.exe
  "C:\Users\Admin\AppData\Local\Temp\bca382ae53d61ae12b6e3420cf474f6f.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 328
    3⤵
    - Program crash
    PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4768 -ip 4768
1⤵
PID:2356

C:\Users\Admin\AppData\Local\Temp\AAD6.exe
C:\Users\Admin\AppData\Local\Temp\AAD6.exe
1⤵
- 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:1800
- 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
  - 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 use of AdjustPrivilegeToken
  PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 1144
    3⤵
    - Program crash
    PID:4696

C:\Users\Admin\AppData\Local\Temp\B007.exe
C:\Users\Admin\AppData\Local\Temp\B007.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1100 -ip 1100
1⤵
PID:1208

C:\Users\Admin\AppData\Roaming\ehhbefv
C:\Users\Admin\AppData\Roaming\ehhbefv
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\AppData\Roaming\ehhbefv
  C:\Users\Admin\AppData\Roaming\ehhbefv
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:4040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 328
    3⤵
    - Program crash
    PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4040 -ip 4040
1⤵
PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery