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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad. 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: 8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad
SHA3-384 hash: 5d7478d9e7e01184a5b3fbadf0657da6190c14c53ca21b7993d0eaefbe1125a2488a3bea8408d3aaa8e821a2b35977db
SHA1 hash: 0e4d5710722c90dc5c43b0ac07b3d92ed3059fa5
MD5 hash: de4a1b8f1c79bf5650fcdd63ced4864c
humanhash: kansas-blossom-zebra-may
File name:FacturaXHonorarios.iso
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'452'032 bytes
First seen:2026-05-20 17:53:06 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 24576:RTjEFGxy67XwUEQDaWfP4YpCosSpjNDpXgI0/eGu:RT4wxnX6KaoZpRs0NDpRyu
TLSH T1DC652301B799842BE521593108B07EE265BAE969C2F74F133BCC7B496BD21D2ED3C790
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 :
40
Origin country :
CH CH
File Archive Information

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

File name:Factura Honorarios.exe
File size:902'759 bytes
SHA256 hash: bfabc5155569c4cf3e4d21380c98dce086488b542e9477faa02bfc9b1f542cb7
MD5 hash: 4f2f6a223c9653cc685185a8d3f6ccad
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Malware configuration found for:
Archives NSIS
Details
Archives
extracted archive contents
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/2d334185-1f30-4a99-932d-ca25a3be07ce/
Detection(s):
Sanesecurity.Foxhole.Iso_fs3621.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject5.63793.26272.7429.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0e09d04f2b29ce04020dbb
Tags:
malware
Verdict:
Malicious
Labled as:
Injector.BWS.gen
Link:
https://www.hybrid-analysis.com/sample/8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad
Verdict:
Malicious
File Type:
iso
First seen:
2025-07-28T19:28:00Z UTC
Last seen:
2026-02-12T05:47:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad/
Verdict:
Malicious
Threat:
HEUR:Trojan.Win32.Makoob
Link:
https://tip.neiki.dev/file/8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-07-28 22:30:55 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
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/8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

GuLoader

iso 8108aa3ea1ff072bd2731e3ac7cdaa32feaeeacb21a27a76722ff46c4a4aefad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments