MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7. 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 File information Comments
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SHA256 hash: 665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7
SHA3-384 hash: d417d37b64474c04ac37809ee4fb9a36984415e6c3da48200a9d565a66541adc1b60a38ccc9e879a8bb9d85f533ccef5
SHA1 hash: 86299410766bb819f7743a2fd789c12bfa44654a
MD5 hash: 663690de0124367525cc1c6ca4a5c38a
humanhash: aspen-london-virginia-stairway
File name:XClient.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:164'383 bytes
First seen:2025-03-26 09:27:28 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:PjPHfhTwk/UEzgKFy/cZPJdcN/nBY/gBorBEyJJgvLPc/4:7HfhTwugiy/cZPJdcN/nBY/gBoFJqDP
Threatray 1'686 similar samples on MalwareBazaar
TLSH T11EF33AFEC3D0BC500B3A71A3A6593B4824CCC7A257289F3FE5E4487E69C6605B6F1994
Magika vba
Reporter JAMESWT_WT
Tags:45-141-215-107 vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.6782.14981.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e3c8abcb6d38a89f3e4e13
Tags:
obfuscate autorun xtreme sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated
Link:
https://www.filescan.io/uploads/67e3c8a66a150b67eec6c1a4/reports/2e07b18c-b770-4ebd-b6a1-a95921676d91/overview
Verdict:
Malicious
Labled as:
GT:VB.Zbot.9
Link:
https://www.hybrid-analysis.com/sample/665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
Batch Injector, XWorm
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1648596
Signature
.NET source code contains a sample name check
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
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: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Batch Injector
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1648596 Sample: XClient.vbs Startdate: 26/03/2025 Architecture: WINDOWS Score: 100 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 16 other signatures 2->75 8 wscript.exe 2 2->8         started        12 cmd.exe 1 2->12         started        14 cmd.exe 1 2->14         started        16 7 other processes 2->16 process3 file4 63 C:\Users\user\AppData\...\temp_script.bat, ASCII 8->63 dropped 87 VBScript performs obfuscated calls to suspicious functions 8->87 89 Wscript starts Powershell (via cmd or directly) 8->89 91 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->91 93 Suspicious execution chain found 8->93 18 cmd.exe 1 8->18         started        21 cmd.exe 1 12->21         started        23 conhost.exe 12->23         started        25 cmd.exe 1 14->25         started        27 conhost.exe 14->27         started        29 cmd.exe 1 16->29         started        31 cmd.exe 1 16->31         started        33 cmd.exe 1 16->33         started        35 11 other processes 16->35 signatures5 process6 signatures7 77 Suspicious powershell command line found 18->77 79 Wscript starts Powershell (via cmd or directly) 18->79 81 Bypasses PowerShell execution policy 18->81 37 cmd.exe 2 18->37         started        40 conhost.exe 18->40         started        42 conhost.exe 21->42         started        44 powershell.exe 21->44         started        46 2 other processes 25->46 48 2 other processes 29->48 50 2 other processes 31->50 52 2 other processes 33->52 54 8 other processes 35->54 process8 signatures9 83 Suspicious powershell command line found 37->83 85 Wscript starts Powershell (via cmd or directly) 37->85 56 powershell.exe 17 37->56         started        61 conhost.exe 37->61         started        process10 dnsIp11 67 45.141.215.107, 49725, 7000 SPECTRAIPSpectraIPBVNL Netherlands 56->67 65 C:\Users\user\...\StartupScript_35095d62.cmd, ASCII 56->65 dropped 95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 56->95 97 Found suspicious powershell code related to unpacking or dynamic code loading 56->97 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7/
Threat name:
Script-WScript.Backdoor.Xworm
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 05:06:12 UTC
File Type:
Text (VBS)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzpedzawsvgv75rdun6hxtqx2qe4chqahqu25ho6wjp4onxfgpdq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
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error
XWorm
+ 1'676 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/250326-lfdens1thw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
45.141.215.107:7000
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/665e41e41695/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/665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7

File information

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

Web download

XWorm

Visual Basic Script (vbs) vbs 665e41e416954d5ff623a37c7bce17d409c11e003c29ae9ddeb25fc736e533c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3490847/
  
Delivery method
Distributed via web download

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