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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d
SHA3-384 hash: f9d6ab9202b3e97a0d04f03e500619476cef5d2bb91c534d15624810dae10d437f74e23e2e1579d32a8a0ffa3f0e8b2a
SHA1 hash: d052ea04b947a8638094761c94414eb4cd9947a6
MD5 hash: d428ec4770549cc5fe387137f93f731a
humanhash: golf-victor-jupiter-nine
File name:Pavment_Advice_Reconfirmation_Details_for_remittance_09172026.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:388'311 bytes
First seen:2026-09-22 06:32:05 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:IIU9FiObSCBF18CHlduGZQEjj+8FapgerGn8jAYG7gFcjeuUQppK61/M6T4y4Q:IIJUlwGZQ8UtcFnqm
TLSH T1AD845C20ED2406694F4B1BA9FC950B62CABD8619522650F5FEEA030D61075FCE3FE76C
Magika vba
Reporter lowmal3
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/88219/
Detection(s):
SecuriteInfo.com.VBS.DownLoader.4662.26367.14918.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye cmd loader lolbin remcos
Link:
https://www.filescan.io/uploads/6ab220ee426e8d476092e7e8/reports/73721a23-86f8-41b2-8ec8-b81ca52b5f75/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-17T06:28:00Z UTC
Last seen:
2026-09-24T02:14:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1975989
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d
Verdict:
Malware
YARA:
2 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.32 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/d428ec4770549cc5fe387137f93f731a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-09-17 12:56:10 UTC
File Type:
Text (VBS)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ba5zojwe7uyn57vzm65ad6jrx2gjegmmlfugpm7ofx5l3uxwiz6q._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader execution
Link:
https://tria.ge/reports/260922-harhkaaa93/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
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 computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
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/083b9726c4fd30defeb967ba01f931be8c92198c596867b3ee2dfabdd2f6467d

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
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.

Cape
Cape
https://www.capesandbox.com/analysis/88219/

Comments