MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 316421a7a9aaa0329968ef18e7c557a0b1c8e544a1cf55ee7aab108c3e01012e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 316421a7a9aaa0329968ef18e7c557a0b1c8e544a1cf55ee7aab108c3e01012e
SHA3-384 hash: bbb3a1f36f09178fc71c56c5468b82b9dccf8c79344d4154cb7de820fc302756e144157c695e8169d00be455e3926a63
SHA1 hash: f3137b6d711aa3a264b30d3cd0631b6e8dfc0eaa
MD5 hash: 6c04718885dc625430d07a90b0a3f1c4
humanhash: fanta-stairway-august-high
File name:WMIEventLogs.js
Download: download sample
File size:4'409'866 bytes
First seen:2025-12-14 11:40:28 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:6+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD:2
TLSH T1D616F3EE1F99C525B2FE40A89E5431EAFC4A0427C1EE5638B417E3CE8B77059C8D2635
Magika javascript
Reporter abuse_ch
Tags:js

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.2%
Tags:
backdoor autorun blic hype
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-12-13T10:49:00Z UTC
Last seen:
2025-12-14T12:08:00Z UTC
Hits:
~100
Detections:
Backdoor.DCRat.TCP.C&C Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Startup.gen HEUR:Trojan.Script.Generic Trojan-Downloader.MSIL.Seraph.d Trojan.MSIL.Crypt.sb Trojan.Agentb.TCP.C&C Trojan-Downloader.MSIL.Agent.c Trojan.VBS.SAgent.sb PDM:Trojan.Win32.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Creates processes via WMI
Drops script or batch files to the startup folder
Found Tor onion address
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832408 Sample: WMIEventLogs.js Startdate: 14/12/2025 Architecture: WINDOWS Score: 100 28 hostphpwindowsdriversappssapo.duckdns.org 2->28 30 www.google.com 2->30 32 2 other IPs or domains 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 10 other signatures 2->48 8 wscript.exe 1 3 2->8         started        12 powershell.exe 14 7 2->12         started        15 wscript.exe 1 2->15         started        signatures3 46 Uses dynamic DNS services 28->46 process4 dnsIp5 24 C:\Users\...\WMIEventLogs.js:Zone.Identifier, ASCII 8->24 dropped 26 C:\Users\user\AppData\...\WMIEventLogs.js, Unicode 8->26 dropped 52 Suspicious powershell command line found 8->52 54 Wscript starts Powershell (via cmd or directly) 8->54 56 Drops script or batch files to the startup folder 8->56 60 3 other signatures 8->60 34 hostphpwindowsdriversappssapo.duckdns.org 192.169.69.26, 49709, 49710, 49714 WOWUS United States 12->34 36 archive.org 207.241.224.2, 49706, 49711, 80 INTERNET-ARCHIVEUS United States 12->36 38 dn721800.ca.archive.org 204.62.247.82, 443, 49707, 49708 COGENT-174US United States 12->38 58 Found Tor onion address 12->58 17 conhost.exe 12->17         started        19 powershell.exe 15->19         started        file6 signatures7 process8 signatures9 50 Found Tor onion address 19->50 22 conhost.exe 19->22         started        process10
Verdict:
inconclusive
YARA:
1 match(es)
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://archive.org/download/optimized_msi_20251211_2108/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Java Script (JS) js 316421a7a9aaa0329968ef18e7c557a0b1c8e544a1cf55ee7aab108c3e01012e

(this sample)

  
Delivery method
Distributed via web download

Comments