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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6
SHA3-384 hash: 2ec13368824e297bd92abb8bc554504105005c91ebf831950f52b25879abd3af443342a88850c84667bb9425ff090445
SHA1 hash: b9cb182ded6a50d93c20ad387ee63595e90f9461
MD5 hash: 111edad41a02299f036facaa5b147b33
humanhash: seventeen-march-cup-oklahoma
File name:Objednávka_5638822229099363.img.iso
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'310'720 bytes
First seen:2026-05-21 13:49:58 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 24576:aX37iMTL1koy1aapjzpZGr8Xjuu3uT7glzMCVu:QuM/1q1aat/GrCuuK7Cr
TLSH T17D5523A0B6E4D436F81945301A7F9BE63D7528172820538EBB4C37A37B54BE1DD2C6A1
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 :
48
Origin country :
CH CH
File Archive Information

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

File name:TRAIKED.EXE
File size:735'352 bytes
SHA256 hash: 8289748effb00a579fcfd958f3b271f97979fb9f729ca1e699eded353e96afad
MD5 hash: 1843f4c019396b73d1a1aa3f4f0a3152
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Malware configuration found for:
Archives GuLoader NSIS
Details
Archives
extracted archive contents
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/7bca628e-e52c-4b61-9474-b92b961baf53/
Detection(s):
Sanesecurity.Malware.30424.BadIso.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0f115e98070a72bb9c614c
Tags:
n/a
Verdict:
Suspicious
Labled as:
Injector.ZXUJ
Link:
https://www.hybrid-analysis.com/sample/b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6
Verdict:
Malicious
File Type:
iso
First seen:
2024-11-05T02:36:00Z UTC
Last seen:
2026-05-19T05:30:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-04-20 09:51:30 UTC
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuzneczu5tmzykuhbmxu7jk4xqumx3ehn6s6jccgaawniajoyt3a._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader execution persistence ransomware
Link:
https://tria.ge/reports/260521-sb3mbsgt6r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Command and Scripting Interpreter: PowerShell
Family: Guloader,Cloudeye
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/b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 b532d20b34ecd99c2a870b2f4fa55cbc28cbec876fa5e48846002cd4012ec4f6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments