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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d
SHA3-384 hash: 162798eb3d6e3f8206bee53390f96408fd34d746dd57d513261d905b5f74cb0fc3b1d58e5fdc547d55d9c5980bfbf0c7
SHA1 hash: b4b85d8d9d51a65dc361de5477256a566320d276
MD5 hash: 7633a3186d03030f9072638b4dab969c
humanhash: texas-neptune-bluebird-massachusetts
File name:Mineralquelle Eptingen AG Equipment - Offer For Collaboration SWITZERLAND.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:30'620 bytes
First seen:2025-10-15 20:58:47 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:4Zcg5Nnid88Suf+Wd9OUTdGGsVA6F7x0+hNP2:mh5Q88S2+y9OUTdrsV7e/
TLSH T1D2D2D77D94106523CC8A2EA6BCD6297684B84CE1033144EDED4B725D32872EE5BFF31A
Magika vba
Reporter TomU
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32966/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f00afa04e22ce9acda846d
Tags:
malware
Verdict:
Malicious
Labled as:
VBS/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d
Verdict:
Malicious
File Type:
vbs
First seen:
2025-10-14T07:31:00Z UTC
Last seen:
2025-10-15T19:23:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb HEUR:Trojan.VBS.SAgent.gen
Link:
https://opentip.kaspersky.com/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d/results?tab=lookup
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/7633a3186d03030f9072638b4dab969c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 14:43:00 UTC
File Type:
Text (VBS)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5jd6bnoopjokfylrco3hf4ohpzevsg3snx7rnuuy7ajpp2bgfgq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/251015-zs2vpa1wgv/
Behaviour
Modifies registry class
Badlisted process makes network request
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5f523f05ae73/report/overview.html
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/5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts

File information

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

Malspam

GuLoader

Visual Basic Script (vbs) vbs 5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32966/

Comments