betabot | 46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

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

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\yme7e3k3s7qo37s.exe	27f9116902c35a9b784c703762bbd249.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\yme7e3k3s7qo37s.exe\DisableExceptionChainValidation	27f9116902c35a9b784c703762bbd249.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 = "mwjrnajrcw.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Task Protect 2.3 = "C:\\ProgramData\\Task Protect 2.3\\yme7e3k3s7qo37s.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Task Protect 2.3 = "\"C:\\ProgramData\\Task Protect 2.3\\yme7e3k3s7qo37s.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	27f9116902c35a9b784c703762bbd249.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\yme7e3k3s7qo37s.exe\DisableExceptionChainValidation	27f9116902c35a9b784c703762bbd249.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral27/memory/2960-29-0x0000000000250000-0x000000000040D000-memory.dmp	autoit_exe
behavioral27/memory/2888-31-0x00000000008C0000-0x0000000000A0E000-memory.dmp	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

pid	Process
2888	27f9116902c35a9b784c703762bbd249.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31

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	27f9116902c35a9b784c703762bbd249.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27f9116902c35a9b784c703762bbd249.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	27f9116902c35a9b784c703762bbd249.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	27f9116902c35a9b784c703762bbd249.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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-1-5-21-1488793075-819845221-1497111674-1000\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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2888	27f9116902c35a9b784c703762bbd249.exe
2888	27f9116902c35a9b784c703762bbd249.exe
2960	explorer.exe
2960	explorer.exe
2960	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2888	27f9116902c35a9b784c703762bbd249.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeRestorePrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeBackupPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeLoadDriverPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeCreatePagefilePrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeShutdownPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeTakeOwnershipPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeChangeNotifyPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeCreateTokenPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeMachineAccountPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeSecurityPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeAssignPrimaryTokenPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeCreateGlobalPrivilege	2888	27f9116902c35a9b784c703762bbd249.exe
Token: 33	2888	27f9116902c35a9b784c703762bbd249.exe
Token: SeDebugPrivilege	2960	explorer.exe
Token: SeRestorePrivilege	2960	explorer.exe
Token: SeBackupPrivilege	2960	explorer.exe
Token: SeLoadDriverPrivilege	2960	explorer.exe
Token: SeCreatePagefilePrivilege	2960	explorer.exe
Token: SeShutdownPrivilege	2960	explorer.exe
Token: SeTakeOwnershipPrivilege	2960	explorer.exe
Token: SeChangeNotifyPrivilege	2960	explorer.exe
Token: SeCreateTokenPrivilege	2960	explorer.exe
Token: SeMachineAccountPrivilege	2960	explorer.exe
Token: SeSecurityPrivilege	2960	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2960	explorer.exe
Token: SeCreateGlobalPrivilege	2960	explorer.exe
Token: 33	2960	explorer.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 1800 wrote to memory of 2888	1800	27f9116902c35a9b784c703762bbd249.exe	31
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2888 wrote to memory of 2960	2888	27f9116902c35a9b784c703762bbd249.exe	32
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1168	2960	explorer.exe	20
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1204	2960	explorer.exe	21
PID 2960 wrote to memory of 1528	2960	explorer.exe	25
PID 2960 wrote to memory of 1528	2960	explorer.exe	25
PID 2960 wrote to memory of 1528	2960	explorer.exe	25
PID 2960 wrote to memory of 1528	2960	explorer.exe	25
PID 2960 wrote to memory of 1528	2960	explorer.exe	25
PID 2960 wrote to memory of 1528	2960	explorer.exe	25

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\foo\27f9116902c35a9b784c703762bbd249.exe
  "C:\Users\Admin\AppData\Local\Temp\foo\27f9116902c35a9b784c703762bbd249.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Users\Admin\AppData\Local\Temp\foo\27f9116902c35a9b784c703762bbd249.exe
    "C:\Users\Admin\AppData\Local\Temp\foo\27f9116902c35a9b784c703762bbd249.exe"
    3⤵
    - 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:2888
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      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 behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2960

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1528

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