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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd93d22537721eb6f0a791fd48bf6fa775f221be79ff4bcd65cfea8ad83862f. 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

SHA256 hash: fcd93d22537721eb6f0a791fd48bf6fa775f221be79ff4bcd65cfea8ad83862f
SHA3-384 hash: 60ccc607b6002c1fcbddb73c1354928ab79bdd214836e0e44d719393ed73115fde46f2720c93b5a596d0bc5eaf8dbc95
SHA1 hash: 512455384804b9d465d9480477f34c1ddc37b1f9
MD5 hash: 7c3370bb913454bb97f3633e4a1b20df
humanhash: steak-friend-carolina-hawaii
File name:transferencia-768934-564534.tar.rar
Download: download sample
Signature GuLoader
File size:469'220 bytes
First seen:2026-05-20 18:28:43 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:3hnQhIVD3YZi3ulFy0LmxfJ9xdDGiS6lVA:3hzwiaFyUwDGiSkW
TLSH T13FA42378A727C673A531786B8A974F6D00D9934763F4F2AA39621C06CD3D6BB385E130
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter TomU
Tags:GuLoader rar

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
CH CH
File Archive Information

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

File name:transferencia-768934-564534.exe
File size:490'100 bytes
SHA256 hash: 640d4390b574d98cd36bd206a65fceec9c322b4008a915519f55a8d39265c78c
MD5 hash: 6bdec974b6a33ac38c1ec88ccd4385b4
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Verdict:
Malicious
Score:
93.3%
Tags:
injection uloader virus nsis
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
Verdict:
Malicious
File Type:
rar
First seen:
2025-06-04T17:13:00Z UTC
Last seen:
2026-05-17T12:06:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-06-04 17:52:06 UTC
File Type:
Binary (Archive)
Extracted files:
16
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.

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
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:VECT_Ransomware
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

rar fcd93d22537721eb6f0a791fd48bf6fa775f221be79ff4bcd65cfea8ad83862f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments