MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0f580611f79b3506b8ffcb745951d7de5811d3f91261d1fc08b247c32649688. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: b0f580611f79b3506b8ffcb745951d7de5811d3f91261d1fc08b247c32649688
SHA3-384 hash: fc1032fe5f72a38cb2de573db624369a36948d26af49e0354c27638baf04b9817896268eaf31d7e67b5d3b935627a291
SHA1 hash: 9f7c82960c91fcb61469f439c15926188700dff0
MD5 hash: 98a8af1a066a4f42a5f4449e7e0beb01
humanhash: carolina-carbon-whiskey-hawaii
File name:F C S Equipamentos Industriais, Lda.js
Download: download sample
Signature XWorm
File size:1'429'118 bytes
First seen:2025-04-17 11:28:44 UTC
Last seen:2025-04-19 14:10:49 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:tMkMJMkMJMkMJMkMJMkMJMkMJMkMJMkMJMkMJMkMJMEMkMJMkMJMkMJMkMJMkMJY:7sSUrEm9fW
Threatray 1'870 similar samples on MalwareBazaar
TLSH T1206538A6431B1C32FDD3286A597DAC9188D89EE315E3376CCF7C40506E1526EE7A3839
Magika javascript
Reporter abuse_ch
Tags:js xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
499
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate cryxos xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated powershell
Result
Threat name:
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
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: New RUN Key Pointing to Suspicious Folder
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
Uses dynamic DNS services
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 AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1667437 Sample: F C S Equipamentos Industri... Startdate: 17/04/2025 Architecture: WINDOWS Score: 100 43 jerrytech.duckdns.org 2->43 45 paste.ee 2->45 47 7 other IPs or domains 2->47 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 69 17 other signatures 2->69 9 wscript.exe 1 1 2->9         started        12 MSBuild.exe 2 2->12         started        14 MSBuild.exe 1 2->14         started        signatures3 65 Uses dynamic DNS services 43->65 67 Connects to a pastebin service (likely for C&C) 45->67 process4 signatures5 71 JScript performs obfuscated calls to suspicious functions 9->71 73 Suspicious powershell command line found 9->73 75 Wscript starts Powershell (via cmd or directly) 9->75 77 2 other signatures 9->77 16 powershell.exe 15 16 9->16         started        20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        process6 dnsIp7 37 ia801700.us.archive.org 207.241.233.30, 443, 49694 INTERNET-ARCHIVEUS United States 16->37 39 paste.ee 23.186.113.60, 443, 49696, 49697 KLAYER-GLOBALNL Reserved 16->39 41 archive.org 207.241.224.2, 443, 49693 INTERNET-ARCHIVEUS United States 16->41 51 Creates autostart registry keys with suspicious values (likely registry only malware) 16->51 53 Creates multiple autostart registry keys 16->53 55 Writes to foreign memory regions 16->55 57 Injects a PE file into a foreign processes 16->57 24 MSBuild.exe 1 4 16->24         started        29 cmd.exe 1 16->29         started        31 conhost.exe 16->31         started        signatures8 process9 dnsIp10 49 jerrytech.duckdns.org 109.248.151.106, 49698, 8078 DATACLUBLV Russian Federation 24->49 35 C:\Users\user\AppData\Roaming\MSBuild.exe, PE32 24->35 dropped 79 Creates multiple autostart registry keys 24->79 33 conhost.exe 29->33         started        file11 signatures12 process13
Threat name:
Script-JS.Trojan.Znyonm
Status:
Malicious
First seen:
2025-04-17 07:55:41 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
jerrytech.duckdns.org:8078
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments