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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40
SHA3-384 hash: 3e4e2cbd88b93414bfcf1ec531376aa70d5023dc9ce538c20fedfd527389058d986077599270101db1a0cfcd8b7a6bca
SHA1 hash: 20668c7ded7dd287e078632fdb4fadc1b8f37bbc
MD5 hash: a6b618e822635e505e610bd84c43b356
humanhash: east-hydrogen-massachusetts-maine
File name:SHIPMENT DELIVERY- Booking AYN1343237.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:131'326 bytes
First seen:2026-11-13 04:04:19 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:2zbaINKEp+1mFPOGbLKIfs1NvRwQM4knyf10rhsEGUynLGbd6RGHSgIIp4gOuie:2vaK42HLhk11RGnywOEGPLePGgO3e
TLSH T14FD31AEBF9B42F3989761657E8C02550839B6D0D813A60A07DB78F89102DCE8DF6DD87
Magika vba
Reporter threatcat_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/99737/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af68c7a0a71acf937da5be8
Tags:
infosteal injection shell sage
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
Sending a custom TCP request
DNS request
Connection attempt
Creating a file in the Windows subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin masquerade obfuscated
Link:
https://www.filescan.io/uploads/6af68c7c8da5174ba05813e3/reports/17909e94-ed6f-4f65-9526-538ccafbd2d8/overview
Verdict:
Malicious
Labled as:
TrojanDropper/VBS.Agent
Link:
https://www.hybrid-analysis.com/sample/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40
Verdict:
Malicious
File Type:
vbs
Link:
https://opentip.kaspersky.com/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40/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/2005118
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
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: 2005118 Sample: SHIPMENT DELIVERY- Booking ... Startdate: 13/11/2026 Architecture: WINDOWS Score: 100 30 drive.usercontent.google.com 2->30 32 drive.google.com 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected GuLoader 2->44 46 2 other signatures 2->46 9 wscript.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 56 VBScript performs obfuscated calls to suspicious functions 9->56 58 Wscript starts Powershell (via cmd or directly) 9->58 60 Obfuscated command line found 9->60 62 3 other signatures 9->62 15 cmd.exe 1 9->15         started        38 127.0.0.1 unknown unknown 12->38 signatures6 process7 signatures8 64 Wscript starts Powershell (via cmd or directly) 15->64 18 powershell.exe 1 19 15->18         started        22 conhost.exe 15->22         started        24 cmd.exe 1 15->24         started        process9 dnsIp10 34 drive.google.com 142.251.41.174, 443, 49700 GOOGLE-GoogleLLCUS United States 18->34 36 drive.usercontent.google.com 142.251.45.161, 443, 49702 GOOGLE-GoogleLLCUS United States 18->36 48 Writes to foreign memory regions 18->48 50 Found suspicious powershell code related to unpacking or dynamic code loading 18->50 52 Switches to a custom stack to bypass stack traces 18->52 54 Powershell connects to network 18->54 26 backgroundTaskHost.exe 18->26         started        28 backgroundTaskHost.exe 18->28         started        signatures11 process12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v7koj2gcbqjzec3rrktmif7aaxc36nsi6fdc2gh2ukizjoo77jaa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution privilege_escalation
Link:
https://tria.ge/reports/261113-enjs4afz4r/
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
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 computer location settings
Badlisted process makes network request
Malware Family:
gen11
Create hunting rule
Malicious:
True
Tags:
obfuscated vba file-write
Link:
https://intel.virussign.com/intelligence/file/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40
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/afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40

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.

Malspam

GuLoader

Visual Basic Script (vbs) vbs afd4e4e8c20c13920b718aa6c417e005c5bf3648f1462d18faa29194b9dffa40

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/99737/

Comments