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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c
SHA3-384 hash: 3d0152247e3dd5a8957572807eb9a97190d20d673414999fac4e3baff1b0c8f6a832b9e7cdd639b8d02b89c31d1b30ee
SHA1 hash: ced422c9ecab17ff0489aae62cf8aa414eacdde1
MD5 hash: 64e12a1df48f26d517c1cef3a22dd4a0
humanhash: johnny-arizona-jupiter-social
File name:Programa_Actividades_661545_2026.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:868'330 bytes
First seen:2026-05-20 16:51:51 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 24576:qhZ8Db4D3ccth2Cz2marrd79xI+99K6XwyMwAK318YdpzKO6:K84Mct0Cz4d79T9bA1wf3CY+N
TLSH T166053302DCCC7816F232EC781A1A98560DFAA53C3503ADD82C576D8995F6744F6A3ED3
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 :
28
Origin country :
CH CH
File Archive Information

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

File name:Programa_Actividades_661545_2026.exe
File size:1'113'378 bytes
SHA256 hash: dc698522859bcc7c5337e5d5b316924e39472c5ff3ef58b3118b1835279ff980
MD5 hash: 828855c9ca1b300541e581ab41cc40d6
MIME type:application/x-dosexec
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/915929ad-0c5d-4513-a41c-7f713bd3e935/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0de94c4f2b29ce0401e14a
Tags:
injection uloader virus nsis
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 base64 evasive installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance
Link:
https://www.filescan.io/uploads/6a0de97c861ee596e6419a4a/reports/5d7e7b85-b11e-4928-ad23-fa00be159c66/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c
Verdict:
Malicious
File Type:
rar
First seen:
2026-02-10T23:03:00Z UTC
Last seen:
2026-05-22T12:53:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c/results?tab=lookup
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-02-11 09:43:04 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c

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_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
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 d34060c4df283d969769d65005001b6e6f1c5bbffc729ceb7334ca45c6c40a0c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments