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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048
SHA3-384 hash: b99da6f80e4f25b814500b0683b0978cc6c9f354c4f1aa02e1ee72948119362b3e6071ed7d7461dc6dc47b6d8bb385ef
SHA1 hash: 33901c9226e89ee675b085358d434506346cd70c
MD5 hash: 8a81cbbdd1bcb34901154822a5d31b50
humanhash: orange-yankee-sixteen-table
File name:Mineralquelle_Eptingen_AG_Equipment_-_Offer_For_Collaboration_SWITZERLAND.gz
Download: download sample
Signature GuLoader
Create hunting rule
File size:15'495 bytes
First seen:2025-10-15 20:58:06 UTC
Last seen:Never
File type: gz
MIME type:application/gzip
ssdeep 384:JsNvwblUrv5+1AQWRLARQfRT7k1Lk9mUW3d:J0l75bRcRQqLMi3d
TLSH T19D62BFCB729C8809765A469F5BD63269B10141E97F6457B33EADC30803C7A250CFF5AA
Magika gzip
Reporter TomU
Tags:GuLoader gz

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Mineralquelle Eptingen AG Equipment - Offer For Collaboration SWITZERLAND.vbs
File size:30'620 bytes
SHA256 hash: 5f523f05ae73d2e5170b889db3978e3bf24ac8db936ff8b694c7c097bf41314d
MD5 hash: 7633a3186d03030f9072638b4dab969c
MIME type:text/plain
Signature GuLoader
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f00afa04e22ce9acda846d
Tags:
malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated powershell
Link:
https://www.filescan.io/uploads/68f00afedf5cb32bf1eef8a4/reports/c0f8b92c-9676-454d-abfb-0202ca760c29/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048
Verdict:
Malicious
File Type:
gz
First seen:
2025-10-14T07:51:00Z UTC
Last seen:
2025-10-15T08:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048/results?tab=lookup
Score:
97%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
GZip Archive
Link:
https://app.malva.re/file/8a81cbbdd1bcb34901154822a5d31b50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048
Threat name:
Script-WScript.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 14:36:36 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7siq54jg3gne6ipouwugxyiyyb4aziybovbxtl33bxwo2srabea._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048

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

gz 1fe488778936ccd2790f752d435f08c603c065180baa1bcd7bd86f676a510048

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments