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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c
SHA3-384 hash: 9f25e3d92e1994493d5c20614424e4d8a284c81e9111bd2e2ab7aacbb682db1ba401202c0171047329d333838cc1840d
SHA1 hash: 1075027e5c27af9d9aed1288d857d19a9933bb17
MD5 hash: 211e3b3aaf9f4474b6e83e3aae79d612
humanhash: july-zulu-sodium-yankee
File name:RPF1910485_20260924.js
Download: download sample
Signature GuLoader
Create hunting rule
File size:669'369 bytes
First seen:2026-09-24 09:48:49 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:lf2vQvWyhKv8vnv26zxvBw4vnvB3bEsvB3bLuvhvocv9vB3bQvMvLvB3Evrv5vBW:75ZVWB8oX
TLSH T171E44B30E934056D4F5727A9FDA60B628ABCC609562754F6FAE9030D21064FCE3BF768
Magika javascript
Reporter smica83
Tags:GuLoader HUN js

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.32312655.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Link:
https://www.filescan.io/uploads/6ab4f21aa2c6a2c217e18a58/reports/1393ebe5-224d-4fd6-bb31-223222301bf0/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c
Verdict:
Malicious
File Type:
js
First seen:
2026-09-24T05:08:00Z UTC
Last seen:
2026-09-26T07:49:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.Generic HEUR:Trojan.Script.Agent.gen
Link:
https://opentip.kaspersky.com/1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1977536
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Performs DNS queries to domains with low reputation
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-24 09:49:22 UTC
File Type:
Text
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyiot6evkwrbqe2edbozyiwbsjun5pymr5lemv2755pkitgjb46a._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader collection defense_evasion discovery downloader execution keylogger privilege_escalation spyware stealer trojan
Link:
https://tria.ge/reports/260924-ltff7ays8r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Badlisted process makes network request
Family: AgentTesla
Family: Guloader,Cloudeye
Process spawned unexpected child process
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/1610e9f89555a2181344185d9c22c19268debf0c8f5646575fef5ea44cc90f3c

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