MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d9bd350b04cd2540bbcbf9da1f3321f8c6bba1d8fe31de63d5afaf18a735744f. 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: 13
| SHA256 hash: | d9bd350b04cd2540bbcbf9da1f3321f8c6bba1d8fe31de63d5afaf18a735744f |
|---|---|
| SHA3-384 hash: | 309b9431c13ebe001ef56cb9dd83ea0bf823283eaa730c90c3360e0cd4554535effefb0ec9144c44a61c5c3f4529d09b |
| SHA1 hash: | 64114abc726cb917f17fcc5f9fc1abca1fe51c1e |
| MD5 hash: | b661b44c0a510c1de4931bb8a84a1776 |
| humanhash: | winner-oranges-lamp-indigo |
| File name: | z12Payment_conf.vbs |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 105'022 bytes |
| First seen: | 2025-11-12 07:30:07 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 1536:Q1WfPGJWQA9z8+5KTvTKUmSXI2dI1LSp4lMiVJEuXGP:Q1WWJWQs8+5cvbrXxaQp4lMU2P |
| Threatray | 2'266 similar samples on MalwareBazaar |
| TLSH | T1B3A3E5B99F1435F58F0FD29AB8633551F56EF1A0042200F0AD8C225B4EE5B687AF9D36 |
| Magika | vba |
| Reporter |  FXOLabs |
| Tags: | GuLoader vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
113
Origin country :
BRVendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
xtreme shell sage
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade
Verdict:
Suspicious
Labled as:
VBS/Agent.CKF
Verdict:
Malicious
File Type:
vbs
First seen:
2025-11-11T21:28:00Z UTC
Last seen:
2025-11-14T05:16:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
2 match(es)
Tags:
Shell.Application T1059.005 VBS Execute Sub-Script VBScript
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2025-11-12 02:03:31 UTC
File Type:
Text (VBS)
AV detection:
13 of 38 (34.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'256 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery execution persistence rat stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
216.250.252.227:7719
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Guloader_Heuristic_VBS_A |
|---|---|
| Author: | Ankit Anubhav - ankitanubhav.info |
| Description: | Heuristic to detect 2023 Guloader variant |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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