MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 383af49b39cab5da29cff6c729ee08eddf62380553315266fd0e3b1dfc0e552c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 383af49b39cab5da29cff6c729ee08eddf62380553315266fd0e3b1dfc0e552c
SHA3-384 hash: 4acb377ec18a931043dffbaff7885903ad8ce06c682a057eb7dadb07898425a3bd31c214e7c2e8813ec5ed95bb299bec
SHA1 hash: 1db4211b5be65748b51a61254f989b746204d2fe
MD5 hash: adabb6e6afb78360b360b7b3e5501028
humanhash: washington-william-summer-hot
File name:output_1762115041.js
Download: download sample
Signature XWorm
File size:182'211 bytes
First seen:2025-11-04 08:36:55 UTC
Last seen:2025-11-14 12:12:49 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:FBNLwxghv4NdUux3RXywCC6A2OSlDJ9As+SUNHrqJtZmv/Wswuqvbrb8hRUtJkJF:DxkNPpmA2llTQKg7SJk9f1SGXV6Mt
Threatray 56 similar samples on MalwareBazaar
TLSH T1E30485EED857BD4AE61463C213EA29AD273CCBE1B4270274CBDB9F2D137448A451906F
Magika javascript
Reporter abuse_ch
Tags:31-40-204-73 js xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
104
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
spawn virus xworm
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-11-02T21:05:00Z UTC
Last seen:
2025-11-06T05:53:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C Trojan-Downloader.JS.Cryptoload.sb Trojan.VBS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb Backdoor.MSIL.XWorm.b Trojan.PowerShell.AmsiBypass.sb HEUR:Trojan.PowerShell.Tesre.sb HEUR:Trojan.BAT.Tesre.gen Trojan.BAT.Agent.sb
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Uses the Telegram API (likely for C&C communication)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1807558 Sample: output_1762115041.js Startdate: 04/11/2025 Architecture: WINDOWS Score: 100 32 api.telegram.org 2->32 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 46 11 other signatures 2->46 10 wscript.exe 1 1 2->10         started        signatures3 44 Uses the Telegram API (likely for C&C communication) 32->44 process4 file5 30 C:\Users\user\AppData\...\Ancyloxypha.bat, ASCII 10->30 dropped 58 Wscript starts Powershell (via cmd or directly) 10->58 60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->60 62 Suspicious execution chain found 10->62 64 Creates processes via WMI 10->64 14 cmd.exe 1 10->14         started        signatures6 process7 signatures8 66 Suspicious powershell command line found 14->66 68 Wscript starts Powershell (via cmd or directly) 14->68 70 Bypasses PowerShell execution policy 14->70 17 cmd.exe 1 14->17         started        19 conhost.exe 14->19         started        process9 process10 21 cmd.exe 2 17->21         started        signatures11 48 Suspicious powershell command line found 21->48 50 Wscript starts Powershell (via cmd or directly) 21->50 24 powershell.exe 15 28 21->24         started        28 conhost.exe 21->28         started        process12 dnsIp13 34 31.40.204.73, 1414, 49691 CMCSUS Turkey 24->34 36 api.telegram.org 149.154.167.220, 443, 49690 TELEGRAMRU United Kingdom 24->36 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->52 54 Found suspicious powershell code related to unpacking or dynamic code loading 24->54 56 Loading BitLocker PowerShell Module 24->56 signatures14
Gathering data
Threat name:
Script-JS.Trojan.Leonem
Status:
Malicious
First seen:
2025-11-03 05:00:39 UTC
File Type:
Text (HTML)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Detect Xworm Payload
Process spawned unexpected child process
Xworm
Xworm family
Malware Config
C2 Extraction:
31.40.204.73:1414
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_PS1_JAB_Pattern_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
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.

Comments