MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef5f16ef72136d8a01cd89da70c34fe6c09bb33212656c8094648b43a85b9baf. 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: | ef5f16ef72136d8a01cd89da70c34fe6c09bb33212656c8094648b43a85b9baf |
|---|---|
| SHA3-384 hash: | 919c2b1c2e421cda7c153603c07e02d56e2db39828680a7de48da232216490073ef7b9fbab737fbf8eeab6d0494b5fbd |
| SHA1 hash: | 02c617433d77fa5ffc872ea9b3aad1f73897f0ec |
| MD5 hash: | 2227f83cff57ab3d5f01afa0e1d09f13 |
| humanhash: | south-maryland-failed-zulu |
| File name: | 329474648934_20261105.js |
| Download: | download sample |
| Signature | XWorm |
| File size: | 344'946 bytes |
| First seen: | 2026-11-05 10:15:03 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | application/javascript |
| ssdeep | 3072:5WSkzO090bCDW5FL0J8SRcsVOZHZLJ0Ldb8SUL40ksXE682FjSARvQU5UUJahffr:LkYV4YLBOygAo/8l8 |
| TLSH | T1FB74CA16F582472F316E9DE889DB2705E2B3E681DC35D218E14D23240B93D1F299BB6F |
| Magika | txt |
| Reporter |  lowmal3 |
| Tags: | js xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
183
Origin country :
DEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
97.4%
Tags:
proxy java
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Creating a process with a hidden window
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Launching a process
Creating synchronization primitives
Sending a custom TCP request
Possible injection to a system process
Creating a file in the %temp% directory
Query of malicious DNS domain
Sending a TCP request to an infection source
Creating a file in the %AppData% directory
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm encrypted fingerprint repaired
Verdict:
Malicious
File Type:
js
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.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
AI detected malicious Powershell script
Allocates memory in foreign processes
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Powershell connects to network
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
1 match(es)
Tags:
Javascript JS Emulation Trace Scripting.FileSystemObject T1059.007 T1105 WbemScripting.SWbemLocator WScript.Shell
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-11-05 10:15:23 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://green-breeze-ca3a.fortunespromailsd.workers.dev/brurt
Malware Family:
n/a
Malicious:
True
Tags:
javascript
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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