MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90fdc91facdcf314acf7bd6ed6575646ce3e11e47c049f5e89190e803bce13f6. 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 1 YARA 1 File information Comments

SHA256 hash: 90fdc91facdcf314acf7bd6ed6575646ce3e11e47c049f5e89190e803bce13f6
SHA3-384 hash: 306a8ddbbbbb216b54b74cca8fe7ef35e3a84f218331d4e593d5aa819bf84b1091a4bf2b9584baeef3be8c47dd600c9b
SHA1 hash: e37d8d7e676410ca29b4e6841d3cd0d6e8b9ec7a
MD5 hash: 89f7a05e9fe2ab25dd49d586768ac662
humanhash: connecticut-bluebird-romeo-autumn
File name:Purchase Order93747JPEG File.js
Download: download sample
Signature XWorm
File size:275'775 bytes
First seen:2025-10-16 15:35:11 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:IYsLEBqGFeO1AYOXKvoXG8JR3MIuRR3C0vJmASwsoHQV2Hoc+fDUSIlOzCYRfvfy:IYsBhtqJNkUNOxudNTD
Threatray 1'164 similar samples on MalwareBazaar
TLSH T1FB44B7A73B85BB854F2810F755F152EC6066F2AD3B24C7A9BF809F1F8954347EA52E00
Magika javascript
Reporter abuse_ch
Tags:js xworm


Avatar
abuse_ch
XWorm C2:
31.40.204.73:1414

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.40.204.73:1414 https://threatfox.abuse.ch/ioc/1616650/

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint masquerade obfuscated powershell
Verdict:
Malicious
File Type:
js
First seen:
2025-10-16T10:33:00Z UTC
Last seen:
2025-10-18T13:24:00Z UTC
Hits:
~10000
Detections:
Trojan.BAT.Agent.sb PDM:Trojan.Win32.Generic Trojan.VBS.SAgent.sb Backdoor.MSIL.XWorm.b Backdoor.MSIL.Agent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.PowerShell.Tesre.sb Backdoor.Agent.TCP.C&C Trojan.Win32.Agent.sb HEUR:Trojan.BAT.Tesre.gen Trojan.JS.SAgent.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan.Script.Generic Trojan.PowerShell.AmsiBypass.sb Backdoor.MSIL.XWorm.a
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
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)
Powershell drops PE file
Powershell is started from unusual location (likely to bypass HIPS)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Startup Shortcut Persistence Via PowerShell.EXE
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
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 XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796646 Sample: Purchase Order93747JPEG File.js Startdate: 16/10/2025 Architecture: WINDOWS Score: 100 49 api.telegram.org 2->49 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 71 10 other signatures 2->71 10 wscript.exe 1 1 2->10         started        14 XWormClient.exe 26 2->14         started        16 XWormClient.exe 26 2->16         started        signatures3 69 Uses the Telegram API (likely for C&C communication) 49->69 process4 file5 43 C:\Users\user\AppData\Local\...\Pompeius.bat, ASCII 10->43 dropped 73 Wscript starts Powershell (via cmd or directly) 10->73 75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->75 77 Suspicious execution chain found 10->77 79 Creates processes via WMI 10->79 18 cmd.exe 1 10->18         started        81 Powershell is started from unusual location (likely to bypass HIPS) 14->81 83 Reads the Security eventlog 14->83 85 Reads the System eventlog 14->85 21 conhost.exe 14->21         started        23 conhost.exe 16->23         started        signatures6 process7 signatures8 51 Suspicious powershell command line found 18->51 53 Wscript starts Powershell (via cmd or directly) 18->53 25 cmd.exe 1 18->25         started        27 conhost.exe 18->27         started        process9 process10 29 cmd.exe 2 25->29         started        signatures11 87 Suspicious powershell command line found 29->87 89 Wscript starts Powershell (via cmd or directly) 29->89 32 powershell.exe 16 30 29->32         started        37 conhost.exe 29->37         started        process12 dnsIp13 45 31.40.204.73, 1414, 49721 CMCSUS Turkey 32->45 47 api.telegram.org 149.154.167.220, 443, 49720 TELEGRAMRU United Kingdom 32->47 39 C:\Users\user\AppData\...\XWormClient.exe, PE32+ 32->39 dropped 41 C:\Users\user\AppData\...\XWormClient.lnk, MS 32->41 dropped 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 32->55 57 Found suspicious powershell code related to unpacking or dynamic code loading 32->57 59 Loading BitLocker PowerShell Module 32->59 61 Powershell drops PE file 32->61 file14 signatures15
Gathering data
Threat name:
Script-JS.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-10-16 15:15:33 UTC
File Type:
Text (HTML)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Drops startup file
Executes dropped EXE
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: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