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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb
SHA3-384 hash: f2e225fa914ed0c9d340fcb39a328de059b5a1438b05f47cd84a99c224978a05ee0142642ee32a7bea546eeb8d9c461e
SHA1 hash: a593945bc5737a7552c07e9b2ec03f283871b2a0
MD5 hash: 21f696bffe49d6400e2214670187173e
humanhash: washington-mobile-six-music
File name:Order Supply Request.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:45'416 bytes
First seen:2026-10-26 07:46:22 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:JVUSGHRQvUSrbcMnAVHnsq/xIT4gtLVNA+nRMDgf38OXz37Gl0aL:JVUS0qs44MnAdQ44nAIuDzY37C/L
TLSH T1B6134BA8DE1513154C8633BAFCD847A2C5F8822120271466FFD9635CB40A66DB3FDB5D
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/95057/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.45294392.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6adf057e5a22ac805bda5546
Tags:
infosteal shell spawn sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin masquerade obfuscated
Link:
https://www.filescan.io/uploads/6adf05827a77bf33c53ccca0/reports/227fc495-f205-4a2d-b99d-5e63f4fa9ace/overview
Verdict:
Malicious
Labled as:
GT:VB.Phishing.51
Link:
https://www.hybrid-analysis.com/sample/4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-25T23:28:00Z UTC
Last seen:
2026-10-28T00:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb/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/1991793
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: 1991793 Sample: Order Supply Request.vbs Startdate: 26/10/2026 Architecture: WINDOWS Score: 100 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected GuLoader 2->47 49 2 other signatures 2->49 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 51 VBScript performs obfuscated calls to suspicious functions 9->51 53 Wscript starts Powershell (via cmd or directly) 9->53 55 Obfuscated command line found 9->55 57 3 other signatures 9->57 12 cmd.exe 1 9->12         started        process6 signatures7 59 Wscript starts Powershell (via cmd or directly) 12->59 15 powershell.exe 1 18 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 31 drive.google.com 142.250.68.206, 443, 49724 GOOGLE-GoogleLLCUS United States 15->31 33 drive.usercontent.google.com 142.251.211.97, 443, 49725 GOOGLE-GoogleLLCUS United States 15->33 35 Writes to foreign memory regions 15->35 37 Found suspicious powershell code related to unpacking or dynamic code loading 15->37 39 Switches to a custom stack to bypass stack traces 15->39 41 Powershell connects to network 15->41 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.39 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/21f696bffe49d6400e2214670187173e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-10-26 00:57:45 UTC
File Type:
Text (VBS)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpmzizomg7m3a4kktf2252wj2upjwfw2uitpb5jlemiwjnhplpvq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader defense_evasion discovery downloader execution privilege_escalation
Link:
https://tria.ge/reports/261026-jl755a1w7q/
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
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/4bd99465cc37d9b0714a9975aeeac9d51e9b16daa226f0f52b231164b4ef5beb

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

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/95057/

Comments