betabot | f4d358d649b4194238e4f9ef8fc2722da3aa8fb6a9eb89e590359fbed7205989

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

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

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\k73yac75.exe	02bd842c7b587c145a18836f8180846c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\k73yac75.exe\DisableExceptionChainValidation	02bd842c7b587c145a18836f8180846c.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 = "jycqvkmeor.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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Device Driver Setup 1.2.510.2001 = "C:\\ProgramData\\Device Driver Setup\\k73yac75.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Device Driver Setup 1.2.510.2001 = "\"C:\\ProgramData\\Device Driver Setup\\k73yac75.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	02bd842c7b587c145a18836f8180846c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
3268	02bd842c7b587c145a18836f8180846c.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3864	4392	WerFault.exe	82

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	02bd842c7b587c145a18836f8180846c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	02bd842c7b587c145a18836f8180846c.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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\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-1-5-21-2804150937-2146708401-419095071-1000\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-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2752	02bd842c7b587c145a18836f8180846c.exe
2752	02bd842c7b587c145a18836f8180846c.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe
4392	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3268	02bd842c7b587c145a18836f8180846c.exe
3268	02bd842c7b587c145a18836f8180846c.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3268	02bd842c7b587c145a18836f8180846c.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeRestorePrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeBackupPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeLoadDriverPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeCreatePagefilePrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeShutdownPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeTakeOwnershipPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeChangeNotifyPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeCreateTokenPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeMachineAccountPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeSecurityPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeAssignPrimaryTokenPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeCreateGlobalPrivilege	3268	02bd842c7b587c145a18836f8180846c.exe
Token: 33	3268	02bd842c7b587c145a18836f8180846c.exe
Token: SeDebugPrivilege	4392	explorer.exe
Token: SeRestorePrivilege	4392	explorer.exe
Token: SeBackupPrivilege	4392	explorer.exe
Token: SeLoadDriverPrivilege	4392	explorer.exe
Token: SeCreatePagefilePrivilege	4392	explorer.exe
Token: SeShutdownPrivilege	4392	explorer.exe
Token: SeTakeOwnershipPrivilege	4392	explorer.exe
Token: SeChangeNotifyPrivilege	4392	explorer.exe
Token: SeCreateTokenPrivilege	4392	explorer.exe
Token: SeMachineAccountPrivilege	4392	explorer.exe
Token: SeSecurityPrivilege	4392	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	4392	explorer.exe
Token: SeCreateGlobalPrivilege	4392	explorer.exe
Token: 33	4392	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	02bd842c7b587c145a18836f8180846c.exe
2752	02bd842c7b587c145a18836f8180846c.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 2752 wrote to memory of 3268	2752	02bd842c7b587c145a18836f8180846c.exe	81
PID 3268 wrote to memory of 4392	3268	02bd842c7b587c145a18836f8180846c.exe	82
PID 3268 wrote to memory of 4392	3268	02bd842c7b587c145a18836f8180846c.exe	82
PID 3268 wrote to memory of 4392	3268	02bd842c7b587c145a18836f8180846c.exe	82

C:\Users\Admin\AppData\Local\Temp\02bd842c7b587c145a18836f8180846c.exe
"C:\Users\Admin\AppData\Local\Temp\02bd842c7b587c145a18836f8180846c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\02bd842c7b587c145a18836f8180846c.exe
  "C:\Users\Admin\AppData\Local\Temp\02bd842c7b587c145a18836f8180846c.exe"
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - 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:3268
- - 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
    - 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:4392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1120
      4⤵
      Program crash
      PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4392 -ip 4392
1⤵
PID:2628

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1956

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

Modify Registry

Credential Access

Discovery

Query Registry

3

System Information Discovery

4