MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1. 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: 10
| SHA256 hash: | bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1 |
|---|---|
| SHA3-384 hash: | f53cf63074c867970f9d415f4c5c13d3809379d701228e0eb7117ad595fcae0c2f69df657282765b3cecb4cd13e0f2cc |
| SHA1 hash: | 2dbfe096bb36e8d73181d14ad7d8d4f12262548d |
| MD5 hash: | effb2c093257afb9c55d85e267cd64d6 |
| humanhash: | oven-nuts-zulu-island |
| File name: | WMIEventLogs.js |
| Download: | download sample |
| File size: | 47'906 bytes |
| First seen: | 2025-08-23 09:26:45 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 96:zvbaHKHYHMHxHKHaHqHfHuH8HyHGHIHYHzHLHUHMHfH0HwH/HzH0HOHsHqHbHwHh:vHSxYJXpBAafBMcPNZvlR |
| TLSH | T19C236C9D31734193C7E623BA0AAF64CCFA4C9C4EC7EB4C99964E4F2F45360A9943C919 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
52
Origin country :
SEVendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm powershell
Verdict:
Malicious
File Type:
js
First seen:
2025-08-23T00:57:00Z UTC
Last seen:
2025-08-23T00:57:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
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: 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 download and execute
Behaviour
Behavior Graph:
Score:
46%
Verdict:
Susipicious
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Trojan.Script
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2025-08-23 01:00:32 UTC
File Type:
Binary
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://archive.org/download/optimized_msi_20250821/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
js bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1
(this sample)
Delivery method
Distributed via web download
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