betabot | ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2

Windows Service

T1543.003

Processes:

explorer.exe

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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\95s5kw3w3.exe	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\95s5kw3w3.exe\DisableExceptionChainValidation	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.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 = "avxdkwem.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
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe
Executes dropped EXE 1 IoCs

Processes:

95s5kw3w3_1.exe

pid process

2476 95s5kw3w3_1.exe
Loads dropped DLL 1 IoCs

Processes:

explorer.exe

pid process

1528 explorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

pid	process
2476	95s5kw3w3_1.exe

pid	process
1528	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\95s5kw3w3.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\95s5kw3w3.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe95s5kw3w3_1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	95s5kw3w3_1.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\ProgramData\Java Updater\desktop.ini explorer.exe

description	ioc	process
File opened for modification	C:\ProgramData\Java Updater\desktop.ini	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe95s5kw3w3_1.exe

pid	process
2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
2476	95s5kw3w3_1.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

Processes:

explorer.exe95s5kw3w3_1.exeae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	95s5kw3w3_1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	95s5kw3w3_1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2020 schtasks.exe

pid	process
2020	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

Processes:

explorer.exe

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

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

NTFS ADS 2 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\95s5kw3w3_1.exe:1BB7FB68	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\95s5kw3w3_1.exe:1BB7FB68	explorer.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid process

2940 regedit.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

1528 explorer.exe
1528 explorer.exe
1528 explorer.exe
1528 explorer.exe

pid	process
2940	regedit.exe

pid	process
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

pid	process
2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe
1528	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

pid process

2112 ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe95s5kw3w3_1.exe

description	pid	process
Token: SeDebugPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeRestorePrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeBackupPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeLoadDriverPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreatePagefilePrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeShutdownPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeTakeOwnershipPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeChangeNotifyPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreateTokenPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeMachineAccountPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeSecurityPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeAssignPrimaryTokenPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeCreateGlobalPrivilege	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: 33	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
Token: SeDebugPrivilege	1528	explorer.exe
Token: SeRestorePrivilege	1528	explorer.exe
Token: SeBackupPrivilege	1528	explorer.exe
Token: SeLoadDriverPrivilege	1528	explorer.exe
Token: SeCreatePagefilePrivilege	1528	explorer.exe
Token: SeShutdownPrivilege	1528	explorer.exe
Token: SeTakeOwnershipPrivilege	1528	explorer.exe
Token: SeChangeNotifyPrivilege	1528	explorer.exe
Token: SeCreateTokenPrivilege	1528	explorer.exe
Token: SeMachineAccountPrivilege	1528	explorer.exe
Token: SeSecurityPrivilege	1528	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1528	explorer.exe
Token: SeCreateGlobalPrivilege	1528	explorer.exe
Token: 33	1528	explorer.exe
Token: SeDebugPrivilege	2476	95s5kw3w3_1.exe
Token: SeRestorePrivilege	2476	95s5kw3w3_1.exe
Token: SeBackupPrivilege	2476	95s5kw3w3_1.exe
Token: SeLoadDriverPrivilege	2476	95s5kw3w3_1.exe
Token: SeCreatePagefilePrivilege	2476	95s5kw3w3_1.exe
Token: SeShutdownPrivilege	2476	95s5kw3w3_1.exe
Token: SeTakeOwnershipPrivilege	2476	95s5kw3w3_1.exe
Token: SeChangeNotifyPrivilege	2476	95s5kw3w3_1.exe
Token: SeCreateTokenPrivilege	2476	95s5kw3w3_1.exe
Token: SeMachineAccountPrivilege	2476	95s5kw3w3_1.exe
Token: SeSecurityPrivilege	2476	95s5kw3w3_1.exe
Token: SeAssignPrimaryTokenPrivilege	2476	95s5kw3w3_1.exe
Token: SeCreateGlobalPrivilege	2476	95s5kw3w3_1.exe
Token: 33	2476	95s5kw3w3_1.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exeexplorer.exe

description	pid	process	target process
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 2112 wrote to memory of 1528	2112	ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe	explorer.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1320	1528	explorer.exe	Dwm.exe
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1368	1528	explorer.exe	Explorer.EXE
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 1992	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2560	1528	explorer.exe	DllHost.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe
PID 1528 wrote to memory of 2476	1528	explorer.exe	95s5kw3w3_1.exe

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe
  "C:\Users\Admin\AppData\Local\Temp\ae088798b181a2bf822fcd3bec3a11779f45a8e3b83cb6c75c5ffbffc3c3d5b2.exe"
  2⤵
  - 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:2112
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Modifies firewall policy service
    - Sets file execution options in registry
    - Checks BIOS information in registry
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops desktop.ini file(s)
    - 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
    - NTFS ADS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Users\Admin\AppData\Local\Temp\95s5kw3w3_1.exe
      /suac
      4⤵
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Checks processor information in registry
      Suspicious use of AdjustPrivilegeToken
      PID:2476
    - - C:\Windows\SysWOW64\regedit.exe
        
        "C:\Windows\SysWOW64\regedit.exe"
        5⤵
        Runs regedit.exe
        
        PID:2940
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\95S5KW~1.EXE" /RL HIGHEST
        5⤵
        Creates scheduled task(s)
        
        PID:2020

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1320

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery