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

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 :

53

Origin country :

SE

Vendor Threat Intelligence

CyberFortress Malicious

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a98993e9d9dbcfd96d336b

Tags:

obfuscate xtreme spawn

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-vm powershell

Link:

https://www.filescan.io/uploads/68a989892a70220b68d8bc62/reports/3ec4db83-e6d6-4745-94a8-e3c61abba104/overview

Hybrid Analysis Unknown

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2025-08-23T00:57:00Z UTC

Last seen:

2025-08-23T00:57:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1/results?tab=lookup

Joe Sandbox malicious

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1763565

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:

Download SVG

Nucleon Malprob Susipicious

Score:

46%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1/

Neiki Trojan.Script

Verdict:

Malicious

Threat:

Trojan.Script

Link:

https://tip.neiki.dev/file/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1

ReversingLabs TitaniumCloud Script-JS.Trojan.Cryxos

Threat name:

Script-JS.Trojan.Cryxos

Alert

Create hunting rule

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

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xqq7h4aymlyl3xfbu7wup3mtvzerv3xp5dgr3fpyctdccdncmkqq._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

defense_evasion execution

Link:

https://tria.ge/reports/250823-lfac1sbm4z/

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

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/bc21f3f01862f0bddca1a7ed47ed93ae491aeeefe8cd1d95f814c6210da262a1