MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8366bc01f3cdc7c41a5d08ef5e34bf8c6888e205f0c70892e7fa5a1bde2a3bb. 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
Threat unknown
Vendor detections: 10
| SHA256 hash: | a8366bc01f3cdc7c41a5d08ef5e34bf8c6888e205f0c70892e7fa5a1bde2a3bb |
|---|---|
| SHA3-384 hash: | 03f267ab4df2689b0f870a7fe9886d8abaab84196411223a862870e64fa77b0200f01c9bb3218904b7c68c1c98703e4c |
| SHA1 hash: | 633aa0176cc6cc554d2ae68b6a1addd184968dbd |
| MD5 hash: | 95bf9a3d79496b9061d703aa625daa7d |
| humanhash: | queen-carbon-florida-batman |
| File name: | Update.vbs |
| Download: | download sample |
| File size: | 74'580 bytes |
| First seen: | 2025-08-22 14:58:43 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 1536:wm2Nnl280fQP5973X7KG0XCmrSMz6MMwLw0f0BWwKPjWlfx06N6UY4wKo/pEjsBX:gl28UQP5hX7KG0XCmrSMz6MMwLw0f0BI |
| TLSH | T12573A3B9B7866A201920F09DBEBD6349DD09C3B4F04E4EB46F019D2F6620C45FD2967E |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
23
Origin country :
SEVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Score:
91.7%
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Threat level:
10/10
Confidence:
100%
Verdict:
Malicious
File Type:
vbs
First seen:
2025-08-21T22:29:00Z UTC
Last seen:
2025-08-21T22:29:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript
Verdict:
Malicious
Threat:
Trojan.Script
Threat name:
Win32.Trojan.Valyria
Status:
Malicious
First seen:
2025-08-22 01:00:40 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://archive.org/download/optimized_msi_20250814/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
vbs a8366bc01f3cdc7c41a5d08ef5e34bf8c6888e205f0c70892e7fa5a1bde2a3bb
(this sample)
Delivery method
Distributed via web download
Comments
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