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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999
SHA3-384 hash: 734a2c6fd1a3e7f07d3be8290c0fb17ce201b2d939f128186dfb9be0067337850bbae0bffa9c7b0e0f500f538ef785e4
SHA1 hash: 5de1e96705008533cef797b89eb5cb5b63aea0e9
MD5 hash: 7e77f52b2dbf64767d0d14db8b721da1
humanhash: tennessee-king-failed-purple
File name:56783325455665678788989.tar.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:550'891 bytes
First seen:2026-05-20 17:18:48 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:JcEPGDj9GySN7C6Cly6HsIetG1AIek4U3SG/TvKH7t0lyIN4:JcWGDj8N+6qy6BrrelU37TyboFK
TLSH T120C4236E4209514291DC123F280BD6646B2B9B73D3F35F88A3342C81AF4D59E9BD1E9F
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 :
21
Origin country :
CH CH
File Archive Information

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

File name:56783325455665678788989.exe
File size:574'304 bytes
SHA256 hash: 1ae3530acc95583b7628c8e455ff1aef752ddffba7eb11a2c56b000510c46ef6
MD5 hash: ff1fe53aa52bd84991e06022c55f50ef
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/09bb8c2a-f815-4a8e-8fd6-e617df94e8bc/
Detection(s):
Win.Trojan.Guloader-10059531-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0df1e64159ce11f601d2fc
Tags:
injection obfusc virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive expired-cert installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a0def4eefbd399b39c00ab6/reports/5ae2244c-da44-4261-a6bf-19434c76de6e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999
Verdict:
Malicious
File Type:
rar
First seen:
2025-06-09T11:38:00Z UTC
Last seen:
2026-05-06T10:09:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-06-09 13:30:26 UTC
File Type:
Binary (Archive)
Extracted files:
22
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a67de56z5dl4c7f7j6lttjqf6pcxoske6wvq3ll75eroxn6mbgmq._file
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/07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

rar 07be3277d9e8d7c17cbf4f9739a605f3c5774944f5ab0dad7fe922ebb7cc0999

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments