betabot | 60b290310f67adb0ae186b4b938ca466a6b55653b2519261fa425127f5500a1f

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

ModiLoader Second Stage 6 IoCs

resource	yara_rule
behavioral27/memory/2784-7-0x0000000000400000-0x000000000049F000-memory.dmp	modiloader_stage2
behavioral27/memory/2136-16-0x0000000000120000-0x0000000000222000-memory.dmp	modiloader_stage2
behavioral27/memory/2136-22-0x0000000000120000-0x0000000000222000-memory.dmp	modiloader_stage2
behavioral27/memory/2136-27-0x0000000000120000-0x0000000000222000-memory.dmp	modiloader_stage2
behavioral27/memory/2136-42-0x0000000000120000-0x0000000000222000-memory.dmp	modiloader_stage2
behavioral27/memory/2136-47-0x0000000000120000-0x0000000000222000-memory.dmp	modiloader_stage2

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\rstrui.exe\Debugger = "nttvw.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5cq9173iyqei3qy.exe	BetaBot.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5cq9173iyqei3qy.exe\DisableExceptionChainValidation	BetaBot.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.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

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 5.0 = "C:\\ProgramData\\Google Updater 5.0\\5cq9173iyqei3qy.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 5.0 = "\"C:\\ProgramData\\Google Updater 5.0\\5cq9173iyqei3qy.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

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

pid	Process
2272	BetaBot.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 2272	2784	BetaBot.exe	28

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 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2272	BetaBot.exe
2272	BetaBot.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe
2136	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2272	BetaBot.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	BetaBot.exe
Token: SeRestorePrivilege	2272	BetaBot.exe
Token: SeBackupPrivilege	2272	BetaBot.exe
Token: SeLoadDriverPrivilege	2272	BetaBot.exe
Token: SeCreatePagefilePrivilege	2272	BetaBot.exe
Token: SeShutdownPrivilege	2272	BetaBot.exe
Token: SeTakeOwnershipPrivilege	2272	BetaBot.exe
Token: SeChangeNotifyPrivilege	2272	BetaBot.exe
Token: SeCreateTokenPrivilege	2272	BetaBot.exe
Token: SeMachineAccountPrivilege	2272	BetaBot.exe
Token: SeSecurityPrivilege	2272	BetaBot.exe
Token: SeAssignPrimaryTokenPrivilege	2272	BetaBot.exe
Token: SeCreateGlobalPrivilege	2272	BetaBot.exe
Token: 33	2272	BetaBot.exe
Token: SeDebugPrivilege	2136	explorer.exe
Token: SeRestorePrivilege	2136	explorer.exe
Token: SeBackupPrivilege	2136	explorer.exe
Token: SeLoadDriverPrivilege	2136	explorer.exe
Token: SeCreatePagefilePrivilege	2136	explorer.exe
Token: SeShutdownPrivilege	2136	explorer.exe
Token: SeTakeOwnershipPrivilege	2136	explorer.exe
Token: SeChangeNotifyPrivilege	2136	explorer.exe
Token: SeCreateTokenPrivilege	2136	explorer.exe
Token: SeMachineAccountPrivilege	2136	explorer.exe
Token: SeSecurityPrivilege	2136	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2136	explorer.exe
Token: SeCreateGlobalPrivilege	2136	explorer.exe
Token: 33	2136	explorer.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2784 wrote to memory of 2272	2784	BetaBot.exe	28
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2272 wrote to memory of 2136	2272	BetaBot.exe	29
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1168	2136	explorer.exe	20
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1204	2136	explorer.exe	21
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 1640	2136	explorer.exe	23
PID 2136 wrote to memory of 2344	2136	explorer.exe	30
PID 2136 wrote to memory of 2344	2136	explorer.exe	30
PID 2136 wrote to memory of 2344	2136	explorer.exe	30
PID 2136 wrote to memory of 2344	2136	explorer.exe	30
PID 2136 wrote to memory of 2344	2136	explorer.exe	30
PID 2136 wrote to memory of 2344	2136	explorer.exe	30

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
    3⤵
    - 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:2272
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      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: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2136

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1640

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2344

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

Query Registry

System Information Discovery