MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413
SHA3-384 hash: ac0c78715b26225089d47cefae405734167c2e67011f64c9b72a45864c0efc64320987765be6d9255d50f839bff57a0c
SHA1 hash: 3a450b03412f8dc28242a626df35c00254c32caf
MD5 hash: 5f486fafb4720c0a4d04dfc0aae0e832
humanhash: eight-iowa-ack-mango
File name:26033115VND4·pdf.js
Download: download sample
Signature GuLoader
Create hunting rule
File size:28'642 bytes
First seen:2026-03-31 03:22:56 UTC
Last seen:2026-03-31 06:40:52 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:dmCnwSFGyebtBbowSjZ1pUKClMssC5N9LozrwbLwINcJtft721Q/5bsJjZkKEPB+:QCCbrFS91pUKwYCPuwbSZt7bsJvDPEU
Threatray 2'424 similar samples on MalwareBazaar
TLSH T18ED219D08C137FBB49E5662D5FC95175CABE12F266218032B04EDF04AB8459CA77C2EB
Magika javascript
Reporter nat
Tags:GuLoader js

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
TH TH
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.JS.Agent.11266.28852.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cb3e243a18a6e1ddefeb1a
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint obfuscated repaired
Link:
https://www.filescan.io/uploads/69cb3e222346b9da57b22637/reports/55953890-792b-4abd-9266-772290136bae/overview
Verdict:
Suspicious
Labled as:
JS/Agent.DYB
Link:
https://www.hybrid-analysis.com/sample/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413
Verdict:
Malicious
File Type:
js
First seen:
2026-03-30T23:41:00Z UTC
Last seen:
2026-04-01T23:17:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413/results?tab=lookup
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/5f486fafb4720c0a4d04dfc0aae0e832
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-03-31 03:23:25 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4fsxy2f4mox5xb4gjpqgbzagj2gxyhq3lz76imnoat3lpjp3eqjq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
formbook
Create hunting rule
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abd99bf17b7cf13044a064cfd6d73d38a19706ba46222e05e4893b188fbe9cd9
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b0e8491d0558fe31d0e2f591e7c09beb20321b5551b008dec47da8c1b14c28ca
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error
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f6469663f0a38647f54764309023eefa956a37e381b7b6fabe2882b75464bd8b
GuLoader
fdfac85d4b1e626b1ef7645afd5ddc84ed619d705a9b87b6d8e3560fa295a57e
GuLoader
+ 2'414 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260331-dxkw3sfz6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Use of msiexec (install) with remote resource
Badlisted process makes network request
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/e1657c68bc63afdb87864be060e4064e8d7c1e1b5e7fe431ae04f6b7a5fb2413

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: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)

File information

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

Comments