d099ddbc7cff4f0df2958dbdb0566010bbf399a2f66688fe676d7996e327a97c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Install.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Install.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\GroupPolicy\gpt.ini	Install.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

pid	Process
4872	schtasks.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	Install.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	Install.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 4384	2412	tmp.exe	80
PID 2412 wrote to memory of 4384	2412	tmp.exe	80
PID 2412 wrote to memory of 4384	2412	tmp.exe	80
PID 4384 wrote to memory of 2912	4384	Install.exe	81
PID 4384 wrote to memory of 2912	4384	Install.exe	81
PID 4384 wrote to memory of 2912	4384	Install.exe	81
PID 2912 wrote to memory of 2628	2912	Install.exe	84
PID 2912 wrote to memory of 2628	2912	Install.exe	84
PID 2912 wrote to memory of 2628	2912	Install.exe	84
PID 2912 wrote to memory of 5020	2912	Install.exe	87
PID 2912 wrote to memory of 5020	2912	Install.exe	87
PID 2912 wrote to memory of 5020	2912	Install.exe	87
PID 2912 wrote to memory of 4872	2912	Install.exe	88
PID 2912 wrote to memory of 4872	2912	Install.exe	88
PID 2912 wrote to memory of 4872	2912	Install.exe	88
PID 2628 wrote to memory of 764	2628	forfiles.exe	91
PID 2628 wrote to memory of 764	2628	forfiles.exe	91
PID 2628 wrote to memory of 764	2628	forfiles.exe	91
PID 5020 wrote to memory of 3468	5020	forfiles.exe	90
PID 5020 wrote to memory of 3468	5020	forfiles.exe	90
PID 5020 wrote to memory of 3468	5020	forfiles.exe	90
PID 764 wrote to memory of 4744	764	cmd.exe	92
PID 764 wrote to memory of 4744	764	cmd.exe	92
PID 764 wrote to memory of 4744	764	cmd.exe	92
PID 3468 wrote to memory of 3700	3468	cmd.exe	93
PID 3468 wrote to memory of 3700	3468	cmd.exe	93
PID 3468 wrote to memory of 3700	3468	cmd.exe	93
PID 2912 wrote to memory of 3760	2912	Install.exe	94
PID 2912 wrote to memory of 3760	2912	Install.exe	94
PID 2912 wrote to memory of 3760	2912	Install.exe	94
PID 764 wrote to memory of 116	764	cmd.exe	96
PID 764 wrote to memory of 116	764	cmd.exe	96
PID 764 wrote to memory of 116	764	cmd.exe	96
PID 3468 wrote to memory of 348	3468	cmd.exe	97
PID 3468 wrote to memory of 348	3468	cmd.exe	97
PID 3468 wrote to memory of 348	3468	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\7zSD0CE.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Users\Admin\AppData\Local\Temp\7zSFAC.tmp\Install.exe
    .\Install.exe /S /site_id "757674"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Checks computer location settings
    - Drops file in System32 directory
    - Enumerates system info in registry
    - Suspicious use of WriteProcessMemory
    PID:2912
  - - C:\Windows\SysWOW64\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:64&"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\Windows\SysWOW64\cmd.exe
        
        /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64&
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:764
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32
        6⤵
        
        PID:4744
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64
        6⤵
        
        PID:116
  - - C:\Windows\SysWOW64\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:64&"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:5020
    - - C:\Windows\SysWOW64\cmd.exe
        
        /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64&
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3468
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32
        6⤵
        
        PID:3700
      - \??\c:\windows\SysWOW64\reg.exe
        
        REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64
        6⤵
        
        PID:348
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "gnWobqWGs" /SC once /ST 05:22:32 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
      4⤵
      Creates scheduled task(s)
      PID:4872
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /run /I /tn "gnWobqWGs"
      4⤵
      PID:3760

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
1⤵
PID:4248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery