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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d. 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


GuLoader


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d
SHA3-384 hash: a07422b1cc0d2b47f1de80eaaa77c5fc8754fb29f023e668b2e89ad3413ae22e75b62b89ac002360cf16bca4316ea36e
SHA1 hash: e2bcfc9d32927a35bcb2dcf6a1a31dd85f1fb9ee
MD5 hash: 0f88ffd5655d204a55d42c44e8d4e5df
humanhash: carolina-harry-paris-high
File name:aigx.js
Download: download sample
Signature GuLoader
Create hunting rule
File size:239'319 bytes
First seen:2026-07-16 07:00:35 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:NWzoZc6FgErgjgpFucP61LJG0MWfa8HtVIjcqc947M:Mki69gjYuZLE0MWfa8DxH99
TLSH T1B3345C20DDA4027A4F475B9CFCAA0A61CABDC719852740F0F6DE470D61069ECE3BE66D
Magika javascript
Reporter abuse_ch
Tags:GuLoader js

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a58825456bd89099b556d99
Tags:
uloader virus blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye downloader fingerprint repaired
Link:
https://www.filescan.io/uploads/6a5881e27190d6a3ddbda097/reports/ee5db81e-63de-4d48-a3fc-237bdfb4ae6c/overview
Verdict:
Malicious
Labled as:
PowerShell/CloudEye.JS trojan
Link:
https://www.hybrid-analysis.com/sample/18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d
Verdict:
Malicious
File Type:
js
First seen:
2026-07-15T18:38:00Z UTC
Last seen:
2026-07-18T02:36:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1943350
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Injects code into the Windows Explorer (explorer.exe)
JavaScript file contains Antivirus product strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943350 Sample: aigx.js Startdate: 16/07/2026 Architecture: WINDOWS Score: 100 36 drive.usercontent.google.com 2->36 38 drive.google.com 2->38 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected GuLoader 2->52 54 5 other signatures 2->54 8 wscript.exe 1 2 2->8         started        12 powershell.exe 17 2->12         started        14 explorer.exe 4 7 2->14         started        16 rundll32.exe 2->16         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Intracap, ASCII 8->34 dropped 56 JScript performs obfuscated calls to suspicious functions 8->56 58 Injects code into the Windows Explorer (explorer.exe) 8->58 60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->60 62 WScript reads language and country specific registry keys (likely country aware script) 8->62 18 explorer.exe 8->18         started        64 Writes to foreign memory regions 12->64 66 Found suspicious powershell code related to unpacking or dynamic code loading 12->66 68 Switches to a custom stack to bypass stack traces 12->68 21 wab.exe 3 1 12->21         started        23 conhost.exe 12->23         started        25 wab.exe 12->25         started        27 wab.exe 12->27         started        70 Obfuscated command line found 14->70 29 powershell.exe 16 14->29         started        signatures6 process7 dnsIp8 44 Obfuscated command line found 18->44 40 drive.google.com 172.253.122.138, 443, 49767 GOOGLE-GoogleLLCUS United States 29->40 42 drive.usercontent.google.com 172.253.63.132, 443, 49768 GOOGLE-GoogleLLCUS United States 29->42 46 Found suspicious powershell code related to unpacking or dynamic code loading 29->46 32 conhost.exe 29->32         started        signatures9 process10
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/0f88ffd5655d204a55d42c44e8d4e5df
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d/
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-07-16 01:07:41 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dc3rm5y3ifa7i7oyrbbyfziolwnaqvq5wcnyxvpow2gpzr6p4coq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution spyware
Link:
https://tria.ge/reports/260716-ht7c5ae18m/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Drops desktop.ini file(s)
Checks computer location settings
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/18b716771b4141f47dd8884382e50e5d9a08561db09b8bd5eeb68cfcc7cfe09d

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:Cerberus
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Comments