MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b. 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


Vjw0rm


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b
SHA3-384 hash: d327b558414f11f89abb20fb63b8deafb130ccc97b1c3d87b2bb34583c0e1163bcfdf8909e34721fc26dd1bbea9c0510
SHA1 hash: ad6f4ebbb1e1639c55d5ee87a9c1d3f7e7e297b8
MD5 hash: 81779a9412b48b7e550fc035aecb8094
humanhash: eight-early-neptune-zulu
File name:avqqwKKThb.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:8'107 bytes
First seen:2026-04-26 16:26:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:tm3vmw3VYxgM0kLZYxJsLI2H4GZfXAnuNfPe:tm3uw3mxgmSJmH48nNfPe
TLSH T1ACF1E859AC167A09D723B3A46E8F8C44FEBE592B5011C05D382CD1C48FB28745A6EF8D
Magika javascript
Reporter BastianHein
Tags:js vjw0rm

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
CL CL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.6873.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ee3cf94aed15d07930b8bb
Tags:
autorun spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autorun base64 evasive fingerprint lolbin nemucod obfuscated persistence powercat repaired vbc vjw0rm vjworm
Link:
https://www.filescan.io/uploads/69ee3cf58a82359247b3b642/reports/2b685930-64e8-40d5-ad52-6cea43f2d22c/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b
Verdict:
Malicious
File Type:
js
First seen:
2026-04-26T13:33:00Z UTC
Last seen:
2026-04-26T20:47:00Z UTC
Hits:
~100
Detections:
HEUR:Worm.Script.Generic HEUR:Trojan.Script.Startup.gen HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic PDM:Trojan.Win32.Generic Trojan.Script.vjWorm.a Trojan.JS.SAgent.sb Trojan-Downloader.JS.SLoad.sb
Link:
https://opentip.kaspersky.com/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b/results?tab=lookup
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/81779a9412b48b7e550fc035aecb8094
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b/
Verdict:
Malicious
Threat:
Family.VJW0RM
Link:
https://tip.neiki.dev/file/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2026-04-26 16:27:41 UTC
File Type:
Text (JavaScript)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbx2cnzimjg7lrhiwtr3bs5tqxpu37vyinqw6ajol7nb5odkwmvq._file
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm execution persistence trojan worm
Link:
https://tria.ge/reports/260426-tycj4aa12z/
Behaviour
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Family: Vjw0rm
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/306fa13728624df5c4e8b4e3b0cbb385df4dfeb843616f012e5fda1eb86ab32b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DROPPER_Vjw0rm_Stage_1
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Author:SECUINFRA Falcon Team
Reference:https://bazaar.abuse.ch/browse.php?search=tag%3AVjw0rm

File information

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

Comments