betabot | 60b290310f67adb0ae186b4b938ca466a6b55653b2519261fa425127f5500a1f

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
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	explorer.exe

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral28/memory/3780-4-0x0000000000400000-0x000000000049F000-memory.dmp	modiloader_stage2
behavioral28/memory/5052-13-0x0000000001410000-0x0000000001512000-memory.dmp	modiloader_stage2

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 4 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i9mca171cw.exe	BetaBot.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i9mca171cw.exe\DisableExceptionChainValidation	BetaBot.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 = "yqdgoxqfl.exe"	explorer.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 5.0 = "C:\\ProgramData\\Google Updater 5.0\\i9mca171cw.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updater 5.0 = "\"C:\\ProgramData\\Google Updater 5.0\\i9mca171cw.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	BetaBot.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i9mca171cw.exe\DisableExceptionChainValidation	BetaBot.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
3624	BetaBot.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3780 set thread context of 3624	3780	BetaBot.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4844	5052	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BetaBot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BetaBot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BetaBot.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BetaBot.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	explorer.exe

Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\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-1-5-21-2412658365-3084825385-3340777666-1000\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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe
5052	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3624	BetaBot.exe
3624	BetaBot.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3624	BetaBot.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	BetaBot.exe
Token: SeRestorePrivilege	3624	BetaBot.exe
Token: SeBackupPrivilege	3624	BetaBot.exe
Token: SeLoadDriverPrivilege	3624	BetaBot.exe
Token: SeCreatePagefilePrivilege	3624	BetaBot.exe
Token: SeShutdownPrivilege	3624	BetaBot.exe
Token: SeTakeOwnershipPrivilege	3624	BetaBot.exe
Token: SeChangeNotifyPrivilege	3624	BetaBot.exe
Token: SeCreateTokenPrivilege	3624	BetaBot.exe
Token: SeMachineAccountPrivilege	3624	BetaBot.exe
Token: SeSecurityPrivilege	3624	BetaBot.exe
Token: SeAssignPrimaryTokenPrivilege	3624	BetaBot.exe
Token: SeCreateGlobalPrivilege	3624	BetaBot.exe
Token: 33	3624	BetaBot.exe
Token: SeDebugPrivilege	5052	explorer.exe
Token: SeRestorePrivilege	5052	explorer.exe
Token: SeBackupPrivilege	5052	explorer.exe
Token: SeLoadDriverPrivilege	5052	explorer.exe
Token: SeCreatePagefilePrivilege	5052	explorer.exe
Token: SeShutdownPrivilege	5052	explorer.exe
Token: SeTakeOwnershipPrivilege	5052	explorer.exe
Token: SeChangeNotifyPrivilege	5052	explorer.exe
Token: SeCreateTokenPrivilege	5052	explorer.exe
Token: SeMachineAccountPrivilege	5052	explorer.exe
Token: SeSecurityPrivilege	5052	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	5052	explorer.exe
Token: SeCreateGlobalPrivilege	5052	explorer.exe
Token: 33	5052	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 3624	3780	BetaBot.exe	83
PID 3780 wrote to memory of 3624	3780	BetaBot.exe	83
PID 3780 wrote to memory of 3624	3780	BetaBot.exe	83
PID 3780 wrote to memory of 3624	3780	BetaBot.exe	83
PID 3780 wrote to memory of 3624	3780	BetaBot.exe	83
PID 3624 wrote to memory of 5052	3624	BetaBot.exe	87
PID 3624 wrote to memory of 5052	3624	BetaBot.exe	87
PID 3624 wrote to memory of 5052	3624	BetaBot.exe	87

C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - Checks whether UAC is enabled
  - Indicator Removal: Clear Persistence
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3624
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Modifies firewall policy service
    - Event Triggered Execution: Image File Execution Options Injection
    - Checks BIOS information in registry
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - 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: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1112
      4⤵
      Program crash
      PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 5052 -ip 5052
1⤵
PID:3656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery