MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a
SHA3-384 hash: d94ea33c4a994bbc5ea395c2f5fd242adc03699270d111e8482fddd0823d5dbcd36bbbf0011b2e8aa6b4733637223bc3
SHA1 hash: 929148f6f03ece28deb661e0a3be86427554bd82
MD5 hash: a1fc3a226af2a644610bea1602b84db5
humanhash: mississippi-ack-two-don
File name:263350411NZ.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:711'680 bytes
First seen:2025-12-18 10:09:36 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:Tw3KP7h02sAguy66S6PikP1GJHAPnnaUXbnACe3aLed/O6wsAu+7fW2gHCVVic+3:z79
Threatray 689 similar samples on MalwareBazaar
TLSH T1FBE4FE29B099253F7CE5AF341DB7AB4946E1CD9F426E54CEB310A9C01D70EB98EC9321
Magika txt
Reporter abuse_ch
Tags:vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45410/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6943d3214d2b81828c3b8d0f
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 base64 fingerprint obfuscated obfuscated opendir overlay powershell
Link:
https://www.filescan.io/uploads/6943d31be126b9ff4386aeab/reports/6a9fd498-41ba-4440-b3f2-f8da1d2d5ca2/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a
Verdict:
Malicious
File Type:
vbs
First seen:
2025-12-17T08:56:00Z UTC
Last seen:
2025-12-20T06:42:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.Win32.Zapchast.bhgd Trojan.JS.SAgent.sb HEUR:Trojan.Win32.Agentb.gen
Link:
https://opentip.kaspersky.com/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a/results?tab=lookup
Result
Threat name:
DarkCloud, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1835555
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
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: PowerShell Base64 Encoded FromBase64String Cmdlet
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)
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 AntiVM3
Yara detected DarkCloud
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835555 Sample: 263350411NZ.vbs Startdate: 18/12/2025 Architecture: WINDOWS Score: 100 38 teacoffeepremix.in 2->38 40 ia801709.us.archive.org 2->40 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 18 other signatures 2->56 10 powershell.exe 14 15 2->10         started        14 wscript.exe 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 44 ia801709.us.archive.org 207.241.233.39, 443, 49681, 49689 INTERNET-ARCHIVEUS United States 10->44 46 teacoffeepremix.in 118.139.176.235, 443, 49682, 49690 AS-26496-GO-DADDY-COM-LLCUS Singapore 10->46 70 Writes to foreign memory regions 10->70 72 Suspicious execution chain found 10->72 74 Injects a PE file into a foreign processes 10->74 18 RegAsm.exe 3 5 10->18         started        23 conhost.exe 10->23         started        76 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->76 78 Creates processes via WMI 14->78 48 127.0.0.1 unknown unknown 16->48 signatures6 process7 dnsIp8 42 158.94.209.44, 49685, 6991 JANETJiscServicesLimitedGB United Kingdom 18->42 36 C:\Users\user\AppData\Local\Temp\omnwbm.vbs, Unicode 18->36 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->58 60 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->60 25 wscript.exe 18->25         started        file9 signatures10 process11 signatures12 62 Suspicious powershell command line found 25->62 64 Wscript starts Powershell (via cmd or directly) 25->64 66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 25->66 68 2 other signatures 25->68 28 powershell.exe 15 25->28         started        process13 signatures14 80 Writes to foreign memory regions 28->80 82 Injects a PE file into a foreign processes 28->82 31 RegAsm.exe 3 28->31         started        34 conhost.exe 28->34         started        process15 signatures16 84 Tries to harvest and steal browser information (history, passwords, etc) 31->84
Score:
4%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a/
Verdict:
Malicious
Threat:
Trojan.Win32.Zapchast
Link:
https://tip.neiki.dev/file/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a
Threat name:
Script-WScript.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 15:29:00 UTC
File Type:
Binary
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lanegomb2rsiiwbu5mlwge2vwxx672l6xujs74w42owzexuyzafa._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
darkcloudstealer
Create hunting rule
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XWorm
error
XWorm
+ 679 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/251223-pyg3csyqbz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://ia801709.us.archive.org/8/items/optimized_msi_20251216_1724/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/581a433981d464845834eb17631355b5efefe97ebd132ff2dcd3ad925e98c80a

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:ClamAV_Emotet_String_Aggregate
Create hunting rule

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/45410/

Comments