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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f. 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: c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f
SHA3-384 hash: 776445cd28160d6537a635640a8ca9913c65d3d37efe9de92f40e268269ed9952813a318b2af3522dc689fa27f5c6569
SHA1 hash: 3287296d5fcaedffda057ba0314d4e6f04d7896f
MD5 hash: 9f24fdd6690e0d090aad808e63c02840
humanhash: hydrogen-finch-sierra-ceiling
File name:facturasX-654543448989.tar
Download: download sample
Signature GuLoader
Create hunting rule
File size:803'149 bytes
First seen:2026-05-20 18:12:55 UTC
Last seen:Never
File type: tar
MIME type:application/x-rar
ssdeep 24576:SvngTkA90hebueW/AMxeQ0qbaM9tmKuP2K7V9O:CWkSR6BIMdHfS/7PO
TLSH T15D05336C1CE40C774A01BE413DE3363746A3118177AEBA2A1F3F11BF69A4E45FB99294
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 tar

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
CH CH
File Archive Information

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

File name:facturas -654543448989.exe
File size:835'040 bytes
SHA256 hash: 53691285e3bd85e322a185b5b09864616d659c52c7057dc6c4b62a730d0a90cc
MD5 hash: 8dc8aa043f246cfcdcf928738d331342
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/414e4c03-971e-4eea-89aa-c6a74363df6e/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1575.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0df2fe4f2b29ce0401ee70
Tags:
injection obfusc virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive expired-cert installer installer installer-heuristic masquerade microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a0e00caefbd399b39c0351d/reports/f63ed653-9ec8-4417-af6d-52affc233c11/overview
Verdict:
Malicious
Labled as:
Trojan.Wacatac
Link:
https://www.hybrid-analysis.com/sample/c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f
Verdict:
Malicious
File Type:
rar
First seen:
2025-06-16T06:27:00Z UTC
Last seen:
2026-05-19T06:17:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-06-16 11:30:45 UTC
File Type:
Binary (Archive)
Extracted files:
20
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
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/c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f

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

tar c5eba5d2a20739a550bf90ea7e375ec7597cc23095128c197a822f45816c643f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments