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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb. 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 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb
SHA3-384 hash: 2838df9124cdbb7b91d34215a9421e6eac7778b0392f408281b469f1856991cd3d7d9f1e9429335ebb39a6d457d90b13
SHA1 hash: 7c401c4b3473810aaf072c3afecde7b088ab5aeb
MD5 hash: d1e108360d17d26d7bd155e8c4ba37fe
humanhash: happy-quiet-oxygen-west
File name:Dekont-00098767890.js
Download: download sample
Signature XWorm
Create hunting rule
File size:19'487 bytes
First seen:2026-10-27 13:47:14 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:0Zh5zJv4LZh5zJv4LZh5zJv4QzuRP3IUPalFMZh5zJv4LZh5zJv4LZh5zJv4y:01M1M1e35M61M1M1v
TLSH T1C19242B92CE8DF7A1C197883C270B350936B0928C26CABD474DC69CD7C99E41562DBBD
Magika css
Reporter abuse_ch
Tags:geo js TUR xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae0abad49621540087bf047
Tags:
autoit emotet
Gathering data
Verdict:
Suspicious
Labled as:
PowerShell/Downloader.J suspicious application
Link:
https://www.hybrid-analysis.com/sample/b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb
Verdict:
Malicious
File Type:
js
First seen:
2026-10-27T10:19:00Z UTC
Last seen:
2026-10-29T07:03:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb/results?tab=lookup
Result
Threat name:
Koadic, DonutLoader, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1992893
Signature
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Creates an undocumented autostart registry key
Found malware configuration
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries DNS domain through GetComputerNameExW (potential sandbox evasion)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Legitimate Application Dropped Archive
Sigma detected: Legitimate Application Dropped Executable
Sigma detected: Potential Persistence Via Logon Scripts - CommandLine
Sigma detected: Script Initiated Connection to Non-Local Network
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
System process connects to network (likely due to code injection or exploit)
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 DonutLoader
Yara detected Koadic BAT payload
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1992893 Sample: Dekont-00098767890.js Startdate: 27/10/2026 Architecture: WINDOWS Score: 100 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 16 other signatures 2->62 9 wscript.exe 1 2 2->9         started        process3 dnsIp4 52 143.246.203.93, 49737, 80 OARNET-AS-OARnetUS Moldova 9->52 46 C:\Users\user\AppData\Local\Temp\AHK_32.bat, Unicode 9->46 dropped 66 System process connects to network (likely due to code injection or exploit) 9->66 68 JScript performs obfuscated calls to suspicious functions 9->68 70 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->70 72 WScript reads language and country specific registry keys (likely country aware script) 9->72 14 cmd.exe 4 9->14         started        file5 signatures6 process7 file8 48 C:\Users\user\AppData\...\SystemUpdate.bat, Unicode 14->48 dropped 50 C:\Users\user\AppData\Local\Temp\~run.vbs, ASCII 14->50 dropped 80 Command shell drops VBS files 14->80 18 cscript.exe 2 14->18         started        20 reg.exe 1 1 14->20         started        23 conhost.exe 14->23         started        25 2 other processes 14->25 signatures9 process10 signatures11 27 cmd.exe 4 18->27         started        64 Creates an undocumented autostart registry key 20->64 process12 process13 29 ZHDCIMKLNMQHMPKSONKP.EXE 2 27->29         started        33 certutil.exe 2 27->33         started        36 certutil.exe 2 27->36         started        38 6 other processes 27->38 dnsIp14 54 91.210.109.228, 49744, 5050 BV-EU-ASEE Netherlands 29->54 74 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->74 76 Unusual module load detection (module proxying) 29->76 40 C:\Users\user\...\ZHDCIMKLNMQHMPKSONKP.EXE, PE32 33->40 dropped 78 Queries DNS domain through GetComputerNameExW (potential sandbox evasion) 33->78 42 C:\Users\user\...\ZHDCIMKLNMQHMPKSONKP.zip, Zip 36->42 dropped 44 C:\Users\user\AppData\...\vcruntime140.dll, PE32 38->44 dropped file15 signatures16
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb
Verdict:
Malware
YARA:
1 match(es)
Tags:
ADODB.Stream Batch Command DeObfuscated Javascript JS Emulation Trace MSXML2.DOMDocument MSXML2.XMLHTTP.6.0 PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.007 T1105 WinHttp.WinHttpRequest.5.1 WScript.Shell
Link:
https://app.malva.re/file/d1e108360d17d26d7bd155e8c4ba37fe
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-27 13:48:40 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4pfixnwlv6g4ccbwtgwudmuorbj5ldpdmdfj7dyzvfr4kqhyt5q._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud family:donutloader family:xworm defense_evasion discovery execution loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/261027-q3tgmaet7l/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Script User-Agent
Runs ping.exe
Modifies registry class
Kills process with taskkill
System Network Configuration Discovery: Internet Connection Discovery
System Location Discovery: System Language Discovery
Reads the TCP/IP host and domain name from the registry
Executes a command shell one-liner
Enumerates physical storage devices
Command and Scripting Interpreter: PowerShell
Command and Scripting Interpreter: JavaScript
Enumerates video capture drivers
Suspicious use of SetThreadContext
Executes a VBScript file via the Windows Script Host.
Deobfuscate/Decode Files or Information
Registers new Windows logon scripts automatically executed at logon.
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Manipulates Digital Signatures
Badlisted process makes network request
Family: Xworm
Family: DonutLoader
Family: DarkCloud
Detects DonutLoader
Detect Xworm Payload
Malware Config
C2 Extraction:
91.210.109.228:5050
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b71e545db65d/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/b71e545db65d7c6e0841b4cd6a0d9474429eac6f1b0654fc78cd4b1e2a07c4fb

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)

File information

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

Comments