betabot | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

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 family
modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral22/memory/5088-4-0x0000000000400000-0x000000000049F000-memory.dmp	modiloader_stage2
behavioral22/memory/5112-12-0x0000000000E00000-0x0000000000F02000-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\ai3owwq7y.exe	ou55sg33s_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ai3owwq7y.exe\DisableExceptionChainValidation	ou55sg33s_1.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 = "fzpxnnw.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 5.0 = "C:\\ProgramData\\Google Updater 5.0\\ai3owwq7y.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updater 5.0 = "\"C:\\ProgramData\\Google Updater 5.0\\ai3owwq7y.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	ou55sg33s_1.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\ai3owwq7y.exe\DisableExceptionChainValidation	ou55sg33s_1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
2740	ou55sg33s_1.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 2740	5088	ou55sg33s_1.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
988	5112	WerFault.exe	83

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	ou55sg33s_1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ou55sg33s_1.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	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ou55sg33s_1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ou55sg33s_1.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe
5112	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2740	ou55sg33s_1.exe
2740	ou55sg33s_1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2740	ou55sg33s_1.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	ou55sg33s_1.exe
Token: SeRestorePrivilege	2740	ou55sg33s_1.exe
Token: SeBackupPrivilege	2740	ou55sg33s_1.exe
Token: SeLoadDriverPrivilege	2740	ou55sg33s_1.exe
Token: SeCreatePagefilePrivilege	2740	ou55sg33s_1.exe
Token: SeShutdownPrivilege	2740	ou55sg33s_1.exe
Token: SeTakeOwnershipPrivilege	2740	ou55sg33s_1.exe
Token: SeChangeNotifyPrivilege	2740	ou55sg33s_1.exe
Token: SeCreateTokenPrivilege	2740	ou55sg33s_1.exe
Token: SeMachineAccountPrivilege	2740	ou55sg33s_1.exe
Token: SeSecurityPrivilege	2740	ou55sg33s_1.exe
Token: SeAssignPrimaryTokenPrivilege	2740	ou55sg33s_1.exe
Token: SeCreateGlobalPrivilege	2740	ou55sg33s_1.exe
Token: 33	2740	ou55sg33s_1.exe
Token: SeDebugPrivilege	5112	explorer.exe
Token: SeRestorePrivilege	5112	explorer.exe
Token: SeBackupPrivilege	5112	explorer.exe
Token: SeLoadDriverPrivilege	5112	explorer.exe
Token: SeCreatePagefilePrivilege	5112	explorer.exe
Token: SeShutdownPrivilege	5112	explorer.exe
Token: SeTakeOwnershipPrivilege	5112	explorer.exe
Token: SeChangeNotifyPrivilege	5112	explorer.exe
Token: SeCreateTokenPrivilege	5112	explorer.exe
Token: SeMachineAccountPrivilege	5112	explorer.exe
Token: SeSecurityPrivilege	5112	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	5112	explorer.exe
Token: SeCreateGlobalPrivilege	5112	explorer.exe
Token: 33	5112	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2740	5088	ou55sg33s_1.exe	82
PID 5088 wrote to memory of 2740	5088	ou55sg33s_1.exe	82
PID 5088 wrote to memory of 2740	5088	ou55sg33s_1.exe	82
PID 5088 wrote to memory of 2740	5088	ou55sg33s_1.exe	82
PID 5088 wrote to memory of 2740	5088	ou55sg33s_1.exe	82
PID 2740 wrote to memory of 5112	2740	ou55sg33s_1.exe	83
PID 2740 wrote to memory of 5112	2740	ou55sg33s_1.exe	83
PID 2740 wrote to memory of 5112	2740	ou55sg33s_1.exe	83

C:\Users\Admin\AppData\Local\Temp\ou55sg33s_1.exe
"C:\Users\Admin\AppData\Local\Temp\ou55sg33s_1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\ou55sg33s_1.exe
  "C:\Users\Admin\AppData\Local\Temp\ou55sg33s_1.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:2740
- - 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:5112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1080
      4⤵
      Program crash
      PID:988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5112 -ip 5112
1⤵
PID:2624

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