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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41. 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: 11


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

SHA256 hash: c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41
SHA3-384 hash: 35d4ee6b1d8cb9db501d232a4295e623f2392a5b92c44220e160cf2405c674d9b0cbd42c70e27b9954eeeab5ff8f649f
SHA1 hash: a0d7bdb9315a2be2acfa45e005e4d3a17057b2a3
MD5 hash: f1779251f419f902435724cde408eade
humanhash: iowa-stairway-equal-september
File name:RFQ.js
Download: download sample
File size:6'666 bytes
First seen:2026-11-06 10:59:04 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 96:N2MCI2Fn8GpY/98eCI+FKW0cD2sb7eD+GbstjWHadwV9dYiK/CLO:N2xPB8IY/99OL5be/ajBwOLN
TLSH T104D1119E5D5AA0A5D973733CCFA6C304E76744270512D229B5DC82942FB109C85ACFFD
Magika javascript
Reporter abuse_ch
Tags:js

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6aedb3601b3e8281a30c974d
Tags:
virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Connection attempt
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
JS.Dropper.3.Generic
Link:
https://www.hybrid-analysis.com/sample/c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41
Verdict:
Malicious
File Type:
js
Link:
https://opentip.kaspersky.com/c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1999672
Signature
Can persist downloaded PowerShell through Run key and Startup shortcut
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Generic JS Downloader
Behaviour
Behavior Graph:
Download SVG
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated PowerShell T1027 T1059.001
Link:
https://app.malva.re/file/f1779251f419f902435724cde408eade
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41/
Threat name:
Script-JS.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2026-11-06 00:18:08 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yt7ug4zvhb4brcv4pvezigfw5pc4tv2txmb2pv64h7bmf4a4r5aq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/261106-m3g7tawy7n/
Behaviour
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
Badlisted process makes network request
Malware Family:
afec
Create hunting rule
Malicious:
True
Tags:
javascript
Link:
https://intel.virussign.com/intelligence/file/c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c4ff4373353878188abc7d499418b6ebc5c9d753bb03a7d7dc3fc2c2f01c8f41

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:SUSP_Script_PowerShell_Hidden_Launcher
Create hunting rule
Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web

File information

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

Comments