MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b. 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


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: 41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b
SHA3-384 hash: aa0530e889b97ad665867ef780343e30c32de1ddb07664864c35f863f52c555d81ceac27177ae29dc6e36f9b10575b0d
SHA1 hash: ce9d3dc8033acd3d31dc0489e457b37fceca8e1b
MD5 hash: 227ac64821d881c2ba7d87a6fe2565a1
humanhash: ack-undress-georgia-bakerloo
File name:PO #37886___xls.js
Download: download sample
Signature XWorm
Create hunting rule
File size:307'526 bytes
First seen:2025-10-14 13:45:54 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:c5dDXPyPuUuVjGiFonxZ4J+462/RFOIdcqaxyrr2ygvvFq5cT79S5:W1XPyPuUqRkW9wM2ygvvFq5B5
Threatray 1'114 similar samples on MalwareBazaar
TLSH T10B6418688E542A59364CBCED57471F4F30CBC5BEA071BA8CA6C1F75F5C1B8888A9E113
Magika javascript
Reporter abuse_ch
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20251014-1234.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26700.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ee548d97a16d00a8d9df83
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint masquerade obfuscated powershell
Link:
https://www.filescan.io/uploads/68ee56a54f3013c55e4d6ca2/reports/d37484b7-89f5-47f3-9119-a20e96d64eb8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b
Verdict:
Malicious
File Type:
js
First seen:
2025-10-14T07:37:00Z UTC
Last seen:
2025-10-16T11:34:00Z UTC
Hits:
~1000
Detections:
Backdoor.Agent.TCP.C&C Trojan-Downloader.JS.Cryptoload.sb Trojan.VBS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.BAT.Agent.sb HEUR:Trojan.BAT.Tesre.gen Trojan.PowerShell.AmsiBypass.sb Trojan.JS.SAgent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.PowerShell.Tesre.sb
Link:
https://opentip.kaspersky.com/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1794907
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 uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
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 Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794907 Sample: PO #37886___xls.js Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 48 api.telegram.org 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 68 11 other signatures 2->68 10 wscript.exe 1 1 2->10         started        14 XWormClient.exe 26 2->14         started        16 XWormClient.exe 26 2->16         started        18 svchost.exe 1 1 2->18         started        signatures3 66 Uses the Telegram API (likely for C&C communication) 48->66 process4 dnsIp5 46 C:\Users\user\AppData\...\MagneticGateway.bat, ASCII 10->46 dropped 82 Wscript starts Powershell (via cmd or directly) 10->82 84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->84 86 Suspicious execution chain found 10->86 88 Creates processes via WMI 10->88 21 cmd.exe 1 10->21         started        90 Powershell is started from unusual location (likely to bypass HIPS) 14->90 92 Reads the Security eventlog 14->92 94 Reads the System eventlog 14->94 24 conhost.exe 14->24         started        26 conhost.exe 16->26         started        50 127.0.0.1 unknown unknown 18->50 file6 signatures7 process8 signatures9 70 Suspicious powershell command line found 21->70 72 Wscript starts Powershell (via cmd or directly) 21->72 28 cmd.exe 1 21->28         started        30 conhost.exe 21->30         started        process10 process11 32 cmd.exe 2 28->32         started        signatures12 56 Suspicious powershell command line found 32->56 58 Wscript starts Powershell (via cmd or directly) 32->58 35 powershell.exe 16 32 32->35         started        40 conhost.exe 32->40         started        process13 dnsIp14 52 107.174.142.123, 3344, 49695 AS-COLOCROSSINGUS United States 35->52 54 api.telegram.org 149.154.167.220, 443, 49694 TELEGRAMRU United Kingdom 35->54 42 C:\Users\user\AppData\...\XWormClient.exe, PE32+ 35->42 dropped 44 C:\Users\user\AppData\...\XWormClient.lnk, MS 35->44 dropped 74 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->74 76 Found suspicious powershell code related to unpacking or dynamic code loading 35->76 78 Loading BitLocker PowerShell Module 35->78 80 Powershell drops PE file 35->80 file15 signatures16
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b/
Verdict:
Malicious
Threat:
Trojan.PowerShell.AmsiBypass
Link:
https://tip.neiki.dev/file/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 11:06:28 UTC
File Type:
Text (HTML)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ig3y5v7tty3piviwgqah7vjxbtulx2kczhrsbil3tacxwdecdenq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
4bd04debc182c6d62ead8d7682150188f1a483a90439dde4d4b17f70b0d9a2c0
XWorm
4fdc01f9adfa9a74bd03c27fa804ba5e75942259d2bffdf9392acf8b87fba079
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78ca4a3aa6a2d53756647b8be5e3c3549a673763f9ef1a62cb43e2eb77a49e43
XWorm
a889d4486a90d6964b86ee97751fa0c10607fcff8823fd31d968a32edece72cf
XWorm
bb61e58f11e979f287a40449ddb0172abbe28c96b2c04a6b3560a3f6d536539d
XWorm
error
XWorm
fdf4b3b369c23a82e39b41a43597e9bed789c4aa3fff2a210e554562c06c3e3c
XWorm
+ 1'104 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/251014-q9c38abj8x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/41b78ed7f39e36f4551634007fd5370ce8bbe942c9e320a17b98057b0c82191b

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
Create hunting rule
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.

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