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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e
SHA3-384 hash: 0d19fceda8e52265c4651d25a6c37ff8151e350beda7bf4deff7768c00d0c779183a8695e092df35fbe62d5eef84b7aa
SHA1 hash: 5ceabbe1b599faa36bf2c84b7bacd1918ab55080
MD5 hash: 792f8143ce5d8bd358db12f2158b8fdb
humanhash: blossom-mobile-white-sink
File name:10142025.arj.zip
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'139'860 bytes
First seen:2026-05-20 17:44:00 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 24576:zTVDk3kH9cQWivRKlundG+36Bpk9jjCHu8uwrUrXd2+ecOCNgllp:PJkYcQYluMwRvPwiXdXFNyp
TLSH T183353386E272A6315CE0437CCED485AD73C11A2F50EF732382945AFB9A835705FE56B8
Magika zip
Reporter TomU
Tags:GuLoader zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
Origin country :
CH CH
File Archive Information

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

File name:10142025.exe
File size:1'167'392 bytes
SHA256 hash: dcb9572d37da18bfe44787c69fd2953f8a31790908b50b492a58281ed2b66662
MD5 hash: c86c9ff606938bd0717bd786aa79bcfc
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ad8e967c-f7e1-484d-be71-574eb93914a2/
Detection(s):
Sanesecurity.Foxhole.Zip_exenum416.UNOFFICIAL
Create hunting rule

Sanesecurity.Foxhole.Zip_justnumexe.UNOFFICIAL
Create hunting rule

Sanesecurity.Foxhole.Zip_Doexe.1_15.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Multi.Generic.4c.11520.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0e03584f2b29ce04020456
Tags:
uloader virus nsis blic
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a0df82f78f38c56ac73f797/reports/44afc227-a876-46e2-9ead-d25e96408eba/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e
Verdict:
Malicious
File Type:
zip
First seen:
2025-10-14T20:25:00Z UTC
Last seen:
2025-12-19T03:51:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e/results?tab=lookup
Score:
95%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-10-15 01:52:35 UTC
File Type:
Binary (Archive)
Extracted files:
42
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6x2mve5c7munf5fee5rw7zt6alq4csfwpzjs6vhbqa5zucefmha._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e

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_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

GuLoader

zip 5fafa6549d17d94697a5213b1b7f33f0170e0a45b3f2997aa70c01dcd0442b0e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments