MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b
SHA3-384 hash: 21d28a513b84ab7caf65ca0822714d3e53cacd72865a87cc9e20e39c795903646bc42b9c77e3acd19e5391fd49f57e30
SHA1 hash: 6d6a6f2f2f6bc6a35042ffa16d4889fe4172755b
MD5 hash: 4fb72169423a06661d5fad875e6b7b24
humanhash: fifteen-ceiling-avocado-magnesium
File name:MB266382625AE.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:1'760'848 bytes
First seen:2025-12-09 13:27:38 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:td6cOgSW03R0ZuRANSEy3u0PlNUmwmVdzGAZYYYULQ:9
Threatray 1'815 similar samples on MalwareBazaar
TLSH T13B85F86E780422D6D5E373683869897CBDDC049AAFE0C5C3844A7A5B2F57A0D1B7CEC1
Magika txt
Reporter abuse_ch
Tags:vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/43989/
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693823ffbde6a3e5970f6389
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell
Link:
https://www.filescan.io/uploads/693823f4bc15eab491f85546/reports/970fe9c0-318f-475a-94d1-24c329c98d08/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b
Verdict:
Malicious
File Type:
vbs
First seen:
2025-12-09T01:35:00Z UTC
Last seen:
2025-12-11T08:24:00Z UTC
Hits:
~1000
Detections:
Backdoor.Agent.TCP.C&C Trojan.Win32.Zapchast.bhgd Trojan.JS.SAgent.sb HEUR:Trojan.Win32.Agentb.gen HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b/results?tab=lookup
Result
Threat name:
PureLog Stealer, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1829459
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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)
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: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 Powershell decode and execute
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b
Threat name:
Script-WScript.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 04:56:05 UTC
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zvy7mnt3g7cjcn4ctr4qc3jjrrtztahjlufc2eye26fltxdmgnq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
035353f9e0b18cc558c0f1f23cb03cee62714e0b74c502b3722598f3fc326c6a
XWorm
107e00e14a8e3c42e0e51e21f430c4e5fb6bd824ed4d9b03fd6783c6a97e655d
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52c54f72fc81d56c90fefc4cc4ef9a99f92a481953ac377b3a87c510a9ef89ba
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770a4e03c153f5fbd0011423d1710705af8d044d6b2dd35fff986c688843467a
XWorm
7f915f4793f8f9c2ab396236064f242ad228010d70fa21aea0eda5c623f10d7f
XWorm
a7a565a4a611b7fd96d361e5b7f229a4a84388d15619dbf844e1e23ade31e3e6
XWorm
c51c2bd39c3596fb16fdcb72835a6ae3aa4bcc255b1174516e90c1750f199dda
XWorm
e0e7f7fec05c3d612a7840cd55c14eccfa71ae615462334f4e09251a91429ffe
XWorm
ed8fbe4e80d22ae1ca136cf51085802b6eedf916d68f5c27306cd661e08644fb
XWorm
error
XWorm
f74d263c8384f7ab6440f5639aa49ca86172132d0bfe734fe6e0e2be086edda7
XWorm
+ 1'805 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/251209-qqrr9syqak/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Process spawned unexpected child process
Xworm
Xworm family
Malware Config
C2 Extraction:
158.94.210.51:6500
Dropper Extraction:
https://ia801706.us.archive.org/25/items/msi-pro-with-b-64_20251208/MSI_PRO_with_b64.png
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e66b8fb1b3d9/report/overview.html
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/e66b8fb1b3d9be2489bc14e3c80b694c633ccc074ae851689826bc55cee3619b

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/43989/

Comments