MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8bcb49d7c3bb3d5e54671f4e347f93ef660ee3a9f26795d177c49cef8900e7a7. 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
XWorm
Vendor detections: 12
| SHA256 hash: | 8bcb49d7c3bb3d5e54671f4e347f93ef660ee3a9f26795d177c49cef8900e7a7 |
|---|---|
| SHA3-384 hash: | 08741a86f092d6506e3657c7756a12211b5fbaa03bfb31165a484e835ee45c69f5731331e82764d1766a085aa130848a |
| SHA1 hash: | b786d596718e3bfaa40bd31b99d7d8221f4c33b9 |
| MD5 hash: | a3397025b88320ac39758d8eba446f63 |
| humanhash: | sierra-golf-whiskey-arkansas |
| File name: | a3397025b88320ac39758d8eba446f63.vbs |
| Download: | download sample |
| Signature | XWorm |
| File size: | 1'561'017 bytes |
| First seen: | 2026-02-17 07:21:12 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 96:PuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuT:TUfU6Y00yjXRApsjhhLJk4C9SdJg |
| Threatray | 2'426 similar samples on MalwareBazaar |
| TLSH | T13B7512BAE1E1327B9077333BDCEA818886B316CACFA72D143A7137C96655D084D53D29 |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | vbs xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
72
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware autorun shell sage
Verdict:
Malicious
Labled as:
GT:VB.VBS.Rempi.5
Verdict:
Malicious
File Type:
vbs
Detections:
Trojan.Agentb.TCP.C&C PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic Trojan.VBS.SAgent.sb
Result
Threat name:
XWorm
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Copy file to startup via Powershell
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
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 AntiVM3
Yara detected MSIL Crypter
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
8%
Verdict:
Benign
File Type:
SCRIPT
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated PowerShell Powershell: Hidden Execution
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
Script-WScript.Backdoor.Xworm
Status:
Malicious
First seen:
2026-02-16 18:11:05 UTC
File Type:
Binary
AV detection:
9 of 24 (37.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xworm
Similar samples:
+ 2'416 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm collection discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Process spawned unexpected child process
Xworm
Xworm family
Malware Config
C2 Extraction:
103.83.87.178:1991
Dropper Extraction:
https://ia600603.us.archive.org/13/items/msi-pro-with-b-64_202602/MSI_PRO_with_b64.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | ClamAV_Emotet_String_Aggregate |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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