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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521
SHA3-384 hash: 68b75234d5ca39a5a5ae06f010cb2f5f7b6bd5734bb7135785c740481690f88717fa6678b29d8abf88729fdffc2b65a3
SHA1 hash: 2cfdcbbf4201e3b3200590420ecbe845c0ff5504
MD5 hash: 2e567e0b3362ab12d6fe0a34d8a3d5b8
humanhash: chicken-artist-social-venus
File name:InformeX4X2025..iso
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'456'128 bytes
First seen:2026-05-20 18:21:40 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 12288:eGnK34dT2W9oZz0Y4f59CNZEBThBZV8MHRybrJyEoruPpj7ye6K/CmajVRdE:eGnKIdN9oZz0Y4ffCuVFxorJtorw9De
TLSH T1C4652364A333C476E633C4F40C62BA1B06B9EF5016E46F37365D3A18D775B17294AA0B
TrID 47.7% (.ISO/UDF) UDF disc image (2114500/1/6)
46.2% (.NULL) null bytes (2048000/1)
5.7% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ATN) Photoshop Action (5007/6/1)
0.0% (.ISO) ISO 9660 CD image (2545/36/1)
Magika iso
Reporter TomU
Tags:GuLoader iso

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
CH CH
File Archive Information

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

File name:cartas_email_CA_006833865_090001_95000_2250.exe
File size:905'874 bytes
SHA256 hash: 092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0
MD5 hash: 37bda1fc6b5d7299f70e6ff85fa68b13
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Malware configuration found for:
Archives
Details
Archives
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/28289bd1-e4fb-4c4d-ba4b-c5189310b30e/
Detection(s):
SecuriteInfo.com.W32.Injector.QMJS-6779.10390.19631.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0e1f4f4159ce11f60204ef
Tags:
shellcode nsis
Verdict:
Malicious
Labled as:
Downloader/GuLoader
Link:
https://www.hybrid-analysis.com/sample/e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521
Verdict:
Malicious
File Type:
iso
First seen:
2025-05-05T21:39:00Z UTC
Last seen:
2026-03-09T08:02:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-05-06 00:36:54 UTC
File Type:
Binary (Archive)
Extracted files:
23
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kk46vx57eamzinjau7e55zqwcvfu7lipipqisayeni7cnnr2uqq._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/e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521

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: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

iso e295cf56fdf900cca1a9053e4ef730b0aa5a7d687a1f0448182351f135b1d521

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments