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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83
SHA3-384 hash: 5ebc4f4c09c99d5665fae4798ee0de2f80a7f31661015e024785e9ee78b956f6f058f95ba41da3bd7345cd47f43abb4b
SHA1 hash: e2312f4579e9b58421c79fdea098a767f4a88629
MD5 hash: 0a975dca2a353d5d308726c015d416d8
humanhash: triple-april-double-music
File name:904379458934.JS
Download: download sample
Signature XWorm
Create hunting rule
File size:2'475'878 bytes
First seen:2026-10-30 07:28:33 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 49152:e0sD5tOOe3F/bv8kND4zZKxPhR/DfTDGujF4JLWFGe74s3G3e904O7aEpMV2Mrv+:jsD5tOOe3F/bv8kND4VKxPhR/DfvGujS
TLSH T129B5C5344218FB71B56DC62CC667AB040AEA7F0F62F4BE3D76F8358563A2716354E062
Magika javascript
Reporter abuse_ch
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae4475bb175ade21dce9bf3
Tags:
n/a
Gathering data
Verdict:
Malicious
Labled as:
JS/TrojanDropper.ModiLoader
Link:
https://www.hybrid-analysis.com/sample/4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83
Verdict:
Malicious
File Type:
js
First seen:
2026-10-29T21:58:00Z UTC
Last seen:
2026-10-30T04:03:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1995198
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected malicious Powershell script
Benign windows process drops PE files
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Drops PE files to the document folder of the user
Encrypted powershell cmdline option found
Found API chain indicative of debugger detection
Hides threads from debuggers
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp 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)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Lua decrypt and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1995198 Sample: 904379458934.JS.js Startdate: 30/10/2026 Architecture: WINDOWS Score: 100 86 keyauth.win 2->86 88 ip-api.com 2->88 94 Suricata IDS alerts for network traffic 2->94 96 Multi AV Scanner detection for submitted file 2->96 98 Yara detected Lua decrypt and execute 2->98 100 10 other signatures 2->100 11 wscript.exe 1 3 2->11         started        15 svchosts.exe 1 2->15         started        17 svchosts.exe 1 2->17         started        signatures3 process4 file5 80 C:\Users\user\...\ARMDQFZGJGCVJRQK.exe, PE32 11->80 dropped 82 C:\Users\user\Documents\KQRJVCGJGZFQDMRA, ASCII 11->82 dropped 114 Benign windows process drops PE files 11->114 116 JScript performs obfuscated calls to suspicious functions 11->116 118 Drops PE files to the document folder of the user 11->118 122 3 other signatures 11->122 19 ARMDQFZGJGCVJRQK.exe 19 471 11->19         started        24 cmd.exe 1 11->24         started        120 Found API chain indicative of debugger detection 15->120 26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        signatures6 process7 dnsIp8 90 217.60.102.43, 443, 49741, 49744 HOSTSNAP-NETWORK-HostSNAPLLCUS Netherlands 19->90 92 ip-api.com 208.95.112.1, 49739, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 19->92 68 C:\Users\user\AppData\Roaming\svchosts.exe, PE32 19->68 dropped 70 C:\Users\user\AppData\...\main.exe (copy), PE32+ 19->70 dropped 72 C:\Users\user\AppData\...\c24wm30fhju.ps1, ASCII 19->72 dropped 76 117 other files (none is malicious) 19->76 dropped 102 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->102 104 Encrypted powershell cmdline option found 19->104 106 Bypasses PowerShell execution policy 19->106 110 2 other signatures 19->110 30 powershell.exe 19->30         started        34 conhost.exe 19->34         started        74 C:\...\904379458934.JS.js:Zone.Identifier, ASCII 24->74 dropped 36 conhost.exe 24->36         started        108 Installs a global keyboard hook 26->108 file9 signatures10 process11 file12 84 C:\Users\user\AppData\...\i5xcoqkm.cmdline, Unicode 30->84 dropped 128 Suspicious powershell command line found 30->128 38 powershell.exe 30->38         started        40 csc.exe 30->40         started        43 conhost.exe 30->43         started        130 Installs a global keyboard hook 36->130 signatures13 process14 file15 45 main.exe 38->45         started        48 conhost.exe 38->48         started        50 csc.exe 38->50         started        78 C:\Users\user\AppData\Local\...\i5xcoqkm.dll, PE32 40->78 dropped 53 cvtres.exe 40->53         started        process16 file17 124 Tries to harvest and steal browser information (history, passwords, etc) 45->124 55 conhost.exe 45->55         started        58 taskkill.exe 45->58         started        60 taskkill.exe 45->60         started        62 taskkill.exe 45->62         started        126 Installs a global keyboard hook 48->126 66 C:\Users\user\AppData\Local\...\xwzevcim.dll, PE32 50->66 dropped 64 cvtres.exe 50->64         started        signatures18 process19 signatures20 112 Installs a global keyboard hook 55->112
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated Javascript JS Emulation Trace PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.007 WScript.Shell
Link:
https://app.malva.re/file/0a975dca2a353d5d308726c015d416d8
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxh5hwlenlnl2x2kirg65iailxpynlqmiaphfyudguujbnjstsbq._file
Verdict:
malicious
Label(s):
XWorm
Create hunting rule
Link:
https://reports.threatray.com/d84a0c6c-126d-40a2-98bf-5066fe430614
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm defense_evasion discovery execution rat trojan
Link:
https://tria.ge/reports/261030-jbe2laxsbx/
Behaviour
Modifies registry class
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
Program crash
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Family: Xworm
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:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Create hunting rule
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee

File information

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

Comments