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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606
SHA3-384 hash: 6b0a1b262c859d44b7631703481446f1e3e11e354558d7543bacc231238c22d542a7c532c270bf9f84c50257605421db
SHA1 hash: e32a80a32ba3f5b6aa298d45c49534df6d1f7635
MD5 hash: 9f8c1ee6129498d6706bb818305a75eb
humanhash: snake-emma-vegan-moon
File name:PO#242508-02.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:9'964 bytes
First seen:2026-10-14 15:24:11 UTC
Last seen:2026-10-14 15:27:11 UTC
File type: rar
MIME type:application/vnd.rar
ssdeep 192:vJiSt2fAoBTlo3MQ3OjNns2SvDzpnuk5ryWaVMc0Ke3:vFiAE63M9jpMtuS98M/53
TLSH T19A22C0393412195971C4867375AF2D9DA18DF2DD2CA1CB4BC7F5929D8043028BBDE680
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 :
2
# of downloads :
72
Origin country :
CH CH
File Archive Information

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

File name:PO#242508-02.vbs
File size:19'322 bytes
SHA256 hash: b88183602e79d3b8269b6ced8aae98590373dbe7740d910bc3405c74b48f437b
MD5 hash: 91304dc090824507eda91ba9c07b5ec8
MIME type:text/plain
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3c8de3b5-44aa-458e-8e2a-fc1cdf23b061/
Detection(s):
SecuriteInfo.com.VBS.Agent-CGU.71217813.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acdd582853d431abd4dc15c
Tags:
virus agent sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye cmd encrypted lolbin phishing
Link:
https://www.filescan.io/uploads/6acf9ea4cfe76c90d423ca6c/reports/04df74dc-a9e4-4982-b9d0-d26d66c06756/overview
Verdict:
Suspicious
Labled as:
HEUR/Suspar.Generic
Link:
https://www.hybrid-analysis.com/sample/4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606
Verdict:
Malicious
File Type:
rar
First seen:
2026-09-23T17:45:00Z UTC
Last seen:
2026-10-16T06:58:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606/results?tab=lookup
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated Rar Archive SOS: 0.37 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/9f8c1ee6129498d6706bb818305a75eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606/
Threat name:
Script-WScript.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 02:09:46 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=junmfukn3lc525z72jlselnujcpj3x537z2rafxfgdjzlbmvcyda._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261014-s31xtaew3q/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks QEMU agent file
Checks computer location settings
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606

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_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malspam

GuLoader

rar 4d1ac2d14ddac5dd773fd257222db4489e9ddfbbfe751016e530d39585951606

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments