MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b7b8016b837766fc9a8d6cfeec6239c05778eec6525bc61327b6311427c4a289. 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: | b7b8016b837766fc9a8d6cfeec6239c05778eec6525bc61327b6311427c4a289 |
|---|---|
| SHA3-384 hash: | a07a2993d7620a2316ad238bcbf312df8eb0b3de3984db7ff042c22f30c102824ac373b18204a221a79927017f309350 |
| SHA1 hash: | 8a5f456d2e379a75c20ed74bb4651e21427195b1 |
| MD5 hash: | 934519a23b703d07355c354b8f0ef991 |
| humanhash: | asparagus-west-tennessee-london |
| File name: | Invoices-10000 20000.JS.js |
| Download: | download sample |
| Signature | XWorm |
| File size: | 4'008'692 bytes |
| First seen: | 2025-12-09 22:45:12 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 98304:+60WbgA0+BfDjDtoMaUggQyRNpA6BFLjvVoglDegpQWkuSVq4kUkXudOWQPyvDx9:EWEAhoM5HQyvp5FLj9oglCg+hq4kbXuj |
| Threatray | 758 similar samples on MalwareBazaar |
| TLSH | T118061A44F484D7982C236D277766B0F242D2B65B7E47C633E01E86F2BFB31C2691265A |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js xworm |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 45.94.47.237:4040 | https://threatfox.abuse.ch/ioc/1673866/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
139
Origin country :
NLVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
91.7%
Tags:
obfuscate xtreme blic
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
aes anti-vm base64 base64 crypto evasive fingerprint masquerade obfuscated powershell reconnaissance repaired xworm
Verdict:
Suspicious
Labled as:
Trojan/JS.Obfuscated
Verdict:
Malicious
File Type:
js
First seen:
2025-12-09T08:50:00Z UTC
Last seen:
2025-12-11T20:29:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.PowerShell.Tesre.sb Backdoor.MSIL.XWorm.b Backdoor.Agent.TCP.C&C
Result
Threat name:
XWorm
Detection:
malicious
Classification:
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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: Potentially Suspicious Malware Callback Communication
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
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)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Gathering data
Verdict:
Malicious
Threat:
Family.XWORM
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xworm
neptunerat
Similar samples:
+ 748 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm collection execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Loads dropped DLL
Badlisted process makes network request
Contains code to disable Windows Defender
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
45.94.47.237:4040
Malware family:
XWorm
Verdict:
Malicious
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: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
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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