🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905. 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: 4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905
SHA3-384 hash: e5aec4a619667b6663b40f638a01f34f2b9d97fc7837500f16281c0b9c94b5a29b00504c9d6c2a4aba3584c30bf46545
SHA1 hash: 12e01b4ae107c466daf3c4590e57ca377679b3b1
MD5 hash: 935fe580a44c71a37e658fc1daf3eb21
humanhash: asparagus-muppet-emma-fifteen
File name:docs_997441.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:275'899 bytes
First seen:2025-11-18 06:56:32 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:/V/CBZJjt25Q0uVIhEXyr4u/7Gv1qrHX0G86ohgasOE8Cd/rNVCN52Jk0nAR138t:/IB5JyZPu1ALD
TLSH T1984474294C18D8966AB333592B700F0D3A1E86C25DDF9F3B9416A3260E1964F93F797C
Magika vba
Reporter abuse_ch
Tags:vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38536/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691c1917434cd67b17c2ba19
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 cmd evasive fingerprint lolbin obfuscated powershell
Link:
https://www.filescan.io/uploads/691c18e2ee9cbb28043f1cb5/reports/223f7b7d-4352-4894-bc9b-2ee055c002ab/overview
Verdict:
Malicious
Labled as:
Generik.NBEAPXI trojan
Link:
https://www.hybrid-analysis.com/sample/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905
Verdict:
Malicious
File Type:
vbs
First seen:
2025-11-17T06:23:00Z UTC
Last seen:
2025-11-18T09:17:00Z UTC
Hits:
~10
Detections:
Backdoor.Agent.TCP.C&C Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan.BAT.Tesre.gen Trojan-Downloader.JS.Cryptoload.sb Trojan.BAT.Agent.sb PDM:Trojan.Win32.Generic Trojan.PowerShell.AmsiBypass.sb HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.PowerShell.Tesre.sb
Link:
https://opentip.kaspersky.com/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905/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/1815834
Signature
Bypasses PowerShell execution policy
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)
Multi AV Scanner detection for submitted file
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: 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: Suspicious PowerShell Parameter Substring
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Uses dynamic DNS services
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 Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1815834 Sample: docs_997441.vbs Startdate: 18/11/2025 Architecture: WINDOWS Score: 100 35 mrfreshlogs.ddns.net 2->35 37 api.telegram.org 2->37 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 53 13 other signatures 2->53 10 wscript.exe 1 2->10         started        signatures3 49 Uses dynamic DNS services 35->49 51 Uses the Telegram API (likely for C&C communication) 37->51 process4 file5 33 C:\Users\Public\SheepSection.bat, ASCII 10->33 dropped 65 Wscript starts Powershell (via cmd or directly) 10->65 67 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->67 69 Suspicious execution chain found 10->69 71 Creates processes via WMI 10->71 14 cmd.exe 1 10->14         started        signatures6 process7 signatures8 73 Suspicious powershell command line found 14->73 75 Wscript starts Powershell (via cmd or directly) 14->75 77 Bypasses PowerShell execution policy 14->77 17 cmd.exe 1 14->17         started        19 conhost.exe 14->19         started        process9 process10 21 cmd.exe 2 17->21         started        signatures11 55 Suspicious powershell command line found 21->55 57 Wscript starts Powershell (via cmd or directly) 21->57 24 powershell.exe 15 30 21->24         started        29 conhost.exe 21->29         started        process12 dnsIp13 39 mrfreshlogs.ddns.net 163.223.210.84, 2245, 49722 KIXS-AS-KRKoreaTelecomKR unknown 24->39 41 api.telegram.org 149.154.167.220, 443, 49721 TELEGRAMRU United Kingdom 24->41 31 C:\Users\user\AppData\...\XWormClient.lnk, MS 24->31 dropped 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->59 61 Found suspicious powershell code related to unpacking or dynamic code loading 24->61 63 Loading BitLocker PowerShell Module 24->63 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905
Verdict:
Malware
YARA:
1 match(es)
Tags:
VBScript
Link:
https://app.malva.re/file/935fe580a44c71a37e658fc1daf3eb21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 06:57:40 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jt7uyjbfi34ewen5tb3mbjuph3fqnb5eqjh2bpm43s3ipd2r5ecq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/251118-hqw3zscm9v/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
mrfreshlogs.ddns.net:2245
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/4cff4c242546f84b11bd9876c0a68f3ecb0687a4824fa0bd9cdcb6878f51e905

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:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/38536/

Comments