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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e
SHA3-384 hash: 50c2d3aa74e608cf694b7115b317fa938f3cdd979c7090d83b9d8499c5fb5610b4eb7d8e3ce7daf0660747c35bd26905
SHA1 hash: 1c7ad135b486f1a2bf8d3b2ef369ef68adc5cd38
MD5 hash: 3134f54749d097dfdc75793856c6a22a
humanhash: island-hotel-avocado-cold
File name:Original Invoice-COAU7230734290.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:48'279 bytes
First seen:2026-11-11 14:16:07 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:Ng+RThpj88ghBULGoSqM72uVBtWET8ul1d4mUL4w7:NgAhpjLghB28BHZ4wuT
TLSH T1D923C4A1955D3D108F8521AADC0B0666B86C40DD7A02F7AE3E7AB51B04CEF0CD5F96CB
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/99452/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af478cee9782982f92af011
Tags:
uloader virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Launching a service
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin masquerade obfuscated
Link:
https://www.filescan.io/uploads/6af479acd07102eea7fd94b0/reports/e7c29ae2-3a69-45fb-9fda-88a0a17e1054/overview
Verdict:
Malicious
Labled as:
PowerShell/CloudEye.QQ trojan
Link:
https://www.hybrid-analysis.com/sample/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e
Verdict:
Malicious
File Type:
vbs
Link:
https://opentip.kaspersky.com/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e/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/2004096
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
Powershell connects to network
Sample has a suspicious name (potential lure to open the executable)
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2004096 Sample: Original Invoice-COAU723073... Startdate: 11/11/2026 Architecture: WINDOWS Score: 100 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 31 cl-glcb907925.gcdn.co 2->31 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected GuLoader 2->49 51 3 other signatures 2->51 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 53 VBScript performs obfuscated calls to suspicious functions 9->53 55 Wscript starts Powershell (via cmd or directly) 9->55 57 Obfuscated command line found 9->57 59 3 other signatures 9->59 12 cmd.exe 1 9->12         started        process6 signatures7 61 Wscript starts Powershell (via cmd or directly) 12->61 15 powershell.exe 1 18 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 33 drive.usercontent.google.com 142.251.214.161, 443, 49705 GOOGLE-GoogleLLCUS United States 15->33 35 drive.google.com 192.178.50.46, 443, 49704 GOOGLE-GoogleLLCUS United States 15->35 37 Writes to foreign memory regions 15->37 39 Found suspicious powershell code related to unpacking or dynamic code loading 15->39 41 Switches to a custom stack to bypass stack traces 15->41 43 Powershell connects to network 15->43 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell SOS: 0.26 T1027 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/3134f54749d097dfdc75793856c6a22a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e/
Threat name:
Script.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-11-10 23:53:07 UTC
File Type:
Text (VBS)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=twbgpkmmdetak37e4htebf3mnc5phhux2qw4q7wros6eutxzymha._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution privilege_escalation rat
Link:
https://tria.ge/reports/261111-rk9xbswz4p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
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 NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Remcos
Malware Config
C2 Extraction:
31.57.216.162:2404
Malware Family:
gen11
Create hunting rule
Malicious:
True
Tags:
exec-dll exec vba file-write persistence wmi-activity obfuscated debug-check exec-delay macro-ps
Link:
https://intel.virussign.com/intelligence/file/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e
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/9d8267a98c1926056fe4e1e640976c68baf39e97d42dc87ed174bc4a4ef9c30e

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

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/99452/

Comments