MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a
SHA3-384 hash: 913e237d8dd9f5eec546248a7d7383e4efe19cac97444730f61b062e7237f3c6bf8791a9e83f8d025dbad1331600cb28
SHA1 hash: a4000107c82a94b75f1fe695c9a151817125beeb
MD5 hash: 24fe3a258044540e00eb8fbf252b29e5
humanhash: nine-hot-harry-artist
File name:ndiciembre_2025.z
Download: download sample
Signature GuLoader
Create hunting rule
File size:686'733 bytes
First seen:2025-12-10 20:31:14 UTC
Last seen:Never
File type: z
MIME type:application/x-rar
ssdeep 12288:jdxMLBHpXSiRDbsCmECKskw4kC7q20nCEQWT8tCkuX8XPkoL1+3AwiiMsWG:japvtbgzkw4xqfZItCgPkoBEAwvT
TLSH T1F0E42312D9D9B10F47D4E2ADAC09193784CC8FC572A4C57B4B638B585FC239B98C91EB
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter FXOLabs
Tags:GuLoader z

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
BR BR
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/64702da2-f92d-4fc0-8238-0524fef7a930/
Detection(s):
Sanesecurity.Foxhole.Rar_fs3285.UNOFFICIAL
Create hunting rule

Sanesecurity.Foxhole.Rar_pdf.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6939d89fbde6a3e59710018a
Tags:
underscore injection virus blic
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic masquerade microsoft_visual_cc nsis overlay signed
Link:
https://www.filescan.io/uploads/6939d89d900ee247e8418355/reports/4b020ccf-c6ff-4fa7-a638-f15e51aca0ae/overview
Verdict:
Suspicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a
Verdict:
Malicious
File Type:
rar
First seen:
2025-12-11T03:58:00Z UTC
Last seen:
2025-12-11T04:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a/results?tab=lookup
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 20:31:28 UTC
File Type:
Binary (Archive)
Extracted files:
35
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7zp4txdgumh6l42qm5e7bkto44zg5ew5c3me3stgloeweqnwwgna._file
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:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

z fe5fc9dc66a30fe5f3506749f0aa6ee7326e92dd16d84dca665b896241b6b19a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments