MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314
SHA3-384 hash: 00cd037aec62c39ce3db072c24026ad525dbef48e3cb51d136ee975f2bfa81584853148e40b5765339281f3180e9896d
SHA1 hash: bafbf21b1f6e16d51c6d99eecd09c6586bb8dd64
MD5 hash: 9a52941503e1c39892c4b28cae99e427
humanhash: king-carolina-hawaii-sodium
File name:Purchase Order_17602025_JPEG_File.js
Download: download sample
Signature XWorm
Create hunting rule
File size:303'937 bytes
First seen:2025-10-20 14:09:42 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:uIGfHkhhs7RsAeeMPTHgvgxHFpvmje/6szu1PR4fv6bTHaAXGChSJdVHqOhP8lN8:uIaiiRsDe4z6h4Snnft7doHXB
Threatray 1'221 similar samples on MalwareBazaar
TLSH T19A547F27C483F6A7E5A11EBF0BE8922C20DD5FB538656705E8AD8FDC5E4ADDF8211810
Magika javascript
Reporter abuse_ch
Tags:js xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f64303c949ca4fcbe3b505
Tags:
virus spawn sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint masquerade obfuscated powershell
Link:
https://www.filescan.io/uploads/68f642e13a79800405ec6488/reports/9e7d5d86-39cd-4d66-8428-b479e92ea0f6/overview
Verdict:
Malicious
Labled as:
Generik.EDJMKYN trojan
Link:
https://www.hybrid-analysis.com/sample/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314
Verdict:
Malicious
File Type:
js
First seen:
2025-10-19T20:02:00Z UTC
Last seen:
2025-10-21T05:02:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.XWorm.a Backdoor.Agent.TCP.C&C Trojan.VBS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan.BAT.Tesre.gen Backdoor.MSIL.XWorm.b Backdoor.MSIL.Agent.sb Trojan.PowerShell.AmsiBypass.sb Trojan.JS.SAgent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.PowerShell.Tesre.sb Trojan-Downloader.JS.Cryptoload.sb Trojan.Win32.Agent.sb Trojan.BAT.Agent.sb
Link:
https://opentip.kaspersky.com/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314/results?tab=lookup
Result
Threat name:
Chrome Injector, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1798426
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Creates processes via WMI
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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 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
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
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 Chrome Injector
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798426 Sample: Purchase Order_17602025_JPE... Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 74 api.telegram.org 2->74 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 90 13 other signatures 2->90 13 wscript.exe 1 1 2->13         started        17 XWormClient.exe 25 2->17         started        19 XWormClient.exe 26 2->19         started        21 svchost.exe 1 1 2->21         started        signatures3 88 Uses the Telegram API (likely for C&C communication) 74->88 process4 dnsIp5 72 C:\Users\user\AppData\Local\...astern.bat, ASCII 13->72 dropped 120 Wscript starts Powershell (via cmd or directly) 13->120 122 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->122 124 Suspicious execution chain found 13->124 126 Creates processes via WMI 13->126 24 cmd.exe 1 13->24         started        128 Powershell is started from unusual location (likely to bypass HIPS) 17->128 130 Reads the Security eventlog 17->130 132 Reads the System eventlog 17->132 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        76 127.0.0.1 unknown unknown 21->76 file6 signatures7 process8 signatures9 96 Suspicious powershell command line found 24->96 98 Wscript starts Powershell (via cmd or directly) 24->98 31 cmd.exe 1 24->31         started        33 conhost.exe 24->33         started        process10 process11 35 cmd.exe 2 31->35         started        signatures12 92 Suspicious powershell command line found 35->92 94 Wscript starts Powershell (via cmd or directly) 35->94 38 powershell.exe 18 35 35->38         started        43 conhost.exe 35->43         started        process13 dnsIp14 78 31.40.204.73, 1414, 49695 CMCSUS Turkey 38->78 80 api.telegram.org 149.154.167.220, 443, 49692 TELEGRAMRU United Kingdom 38->80 64 C:\Users\user\AppData\...\XWormClient.exe, PE32+ 38->64 dropped 66 C:\Users\user\AppData\...\Protect2a3d628b.dll, PE32+ 38->66 dropped 68 665b5608-4b87-4085-978e-e490901f7a13.exe, PE32+ 38->68 dropped 70 C:\Users\user\AppData\...\XWormClient.lnk, MS 38->70 dropped 100 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->100 102 Tries to harvest and steal browser information (history, passwords, etc) 38->102 104 Found suspicious powershell code related to unpacking or dynamic code loading 38->104 106 2 other signatures 38->106 45 665b5608-4b87-4085-978e-e490901f7a13.exe 38->45         started        48 665b5608-4b87-4085-978e-e490901f7a13.exe 38->48         started        50 665b5608-4b87-4085-978e-e490901f7a13.exe 38->50         started        file15 signatures16 process17 signatures18 108 Antivirus detection for dropped file 45->108 110 Multi AV Scanner detection for dropped file 45->110 112 Writes to foreign memory regions 45->112 52 chrome.exe 45->52         started        54 conhost.exe 45->54         started        114 Allocates memory in foreign processes 48->114 116 Creates a thread in another existing process (thread injection) 48->116 118 Injects a PE file into a foreign processes 48->118 56 conhost.exe 48->56         started        58 msedge.exe 48->58         started        60 conhost.exe 50->60         started        process19 process20 62 WerFault.exe 52->62         started       
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 14:11:08 UTC
File Type:
Text (HTML)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wip33vsny6blyegd6vsxckseputvvvx2wqjg5qwozc2k4k2numka._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
0794dde51a3d0c0c712fa764940be7ff12b83e73ffe33ac9c5d0847fc50d9075
XWorm
0d968113633cd55380e5becfddaaf11b8ff3abae61f19428d35770b68f870f19
XWorm
4b054deee9fce11cc66e8ffb101a293393a0b9dcfed2f5d6434ac0f3bf2d395a
XWorm
62285c6053cf93283241a86e9202fe9a1fc4a06dc996c7da7234bd01d40b9006
XWorm
90fdc91facdcf314acf7bd6ed6575646ce3e11e47c049f5e89190e803bce13f6
XWorm
97bf5e1a903a978b2281496e0a897688e9d8e6f981238cf91e39bae20390defe
XWorm
a889d4486a90d6964b86ee97751fa0c10607fcff8823fd31d968a32edece72cf
XWorm
b7a2e50c046591a5ec4042a6328b6b4aca86987d45c305bdaf45c02ddc97b4c3
XWorm
e0d40091b7f7904d8801fd6d1a67164e02d148035824948bc4a5e255e6fb4876
XWorm
ead1f61ec0d29c5903084176a45994cf9229c6464e3f24cc651a4b901a855a29
XWorm
error
XWorm
+ 1'211 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm collection execution persistence rat trojan
Link:
https://tria.ge/reports/251020-rhp45swqf1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Accesses Microsoft Outlook profiles
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Drops startup file
Executes dropped EXE
Loads dropped DLL
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
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b21fbdd64dc7/report/overview.html
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/b21fbdd64dc782bc10c3f565712a447d275ad6fab4126ec2cec8b4ae2b4da314

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.

Comments