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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873
SHA3-384 hash: f51aba24e1d69ac861cb6b1fb4bedf25f3c8c3e5b4aff945e7617d8890c60a5805f0366c1b1b62e7568db34c7a59aa3a
SHA1 hash: ada29b20f3f186ee8f80c70b42da59ad7b20cd48
MD5 hash: 4e98bc1e633d641be75bcc3ec1d1f897
humanhash: sixteen-nuts-wyoming-aspen
File name:CRDXX04-06-2026XX-2.50XMM.zip
Download: download sample
Signature GuLoader
Create hunting rule
File size:33'742 bytes
First seen:2026-10-14 15:13:35 UTC
Last seen:2026-10-14 15:14:06 UTC
File type: zip
MIME type:application/zip
ssdeep 384:63+da9Szr662EDZLhPQMtgKxJJxp2uAkO8YP39cEl6shuZqIa/QNvQ5Re8JgE6G2:0v62+QxKRWDXPznKore8JrWmhC1kG
TLSH T1C6E2F2578B790DC0696CB0F4BA7F9D0E0A0AD5C9A587DC03DD094BDB80F9F2CA85D089
Magika zip
Reporter TomU
Tags:GuLoader zip

Intelligence

File Origin
# of uploads :
2
# of downloads :
31
Origin country :
CH CH
File Archive Information

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

File name:Soa.vbs
File size:62'101 bytes
SHA256 hash: d94958367df6696e28660fe03f23b28884c0cff3b736323d8b866a1af20acdff
MD5 hash: ea365d3bc6d7f83053770e10e39fc939
MIME type:text/plain
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2cc67aa1-dc97-4785-8d94-3286309467d2/
Detection(s):
Sanesecurity.Foxhole.JS_Zip_1v.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.VBS.Agent.1163.24840.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac738ff5e6b2696ef29be59
Tags:
virus shell sage
Result
Verdict:
Malicious
File Type:
VBS File - Malicious
Link:
https://app.docguard.net/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd evasive lolbin phishing
Link:
https://www.filescan.io/uploads/6acf9c6f8f9b8ca99d0db0a9/reports/0fa41f40-abdd-4c72-8c7b-91e242f781d1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873
Verdict:
Malicious
File Type:
zip
First seen:
2026-09-07T06:09:00Z UTC
Last seen:
2026-10-16T02:24:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873
Verdict:
Malware
YARA:
2 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.41 T1027 T1059.005 VBScript WScript.Shell Zip Archive
Link:
https://app.malva.re/file/4e98bc1e633d641be75bcc3ec1d1f897
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-07 14:14:00 UTC
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76pmcbofzahw5sxf25owzhqh6dvdgx7r3ysyp4lvvozbrcdl5bzq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261014-s325waew4r/
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.
Contacts third-party web service commonly abused for C2
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/ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873

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

zip ff9ec105c5c80f6ecae5d75d6c9e07f0ea335ff1de2587f175abb218886be873

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments