MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9
SHA3-384 hash: b2aa70fb75e9f4de52f4eb61dd3ab74b18503440ea7eddec0081b79e19fe7ad14363ca40dd0cc0ac40948f7150d8a9fb
SHA1 hash: 7ce36f7ceff34b04f653407d378ff3d374e90da9
MD5 hash: b9f6da1e4f282dfa9286eeb0b62126f1
humanhash: oxygen-lamp-violet-bluebird
File name:XClient.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:57'789 bytes
First seen:2025-01-30 08:53:38 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:fMHTOWG2uhw5m//Bg/YUT2a7lFAl+Vfa3QyK6oZ6zA:fMHTON2uG5K/BggUT2a7lFHTF6E
TLSH T1D3438869DB161A4E333F35A3788A411014FDC8AFD0E857BFA594A8B40DFAE2D43F4295
Magika vba
Reporter JAMESWT_WT
Tags:156-253-250-62 vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679b3f3039cd5095f12c145c
Tags:
dropper shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint obfuscated powershell
Link:
https://www.filescan.io/uploads/679b3e2baddd15cb0b17e9e1/reports/f9de5da9-af42-4f5e-bd5b-1d4543392923/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1602865
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
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: Dot net compiler compiles file from suspicious 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
Uses cmd line tools excessively to alter registry or file data
Uses known network protocols on non-standard ports
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 AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602865 Sample: XClient.vbs Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 99 rootsaul.work.gd 2->99 101 0x0.st 2->101 109 Suricata IDS alerts for network traffic 2->109 111 Found malware configuration 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 17 other signatures 2->115 11 wscript.exe 2 2->11         started        15 cmd.exe 2->15         started        17 cmd.exe 2->17         started        19 6 other processes 2->19 signatures3 process4 file5 89 C:\Users\user\AppData\Local\Temp\c.bat, ASCII 11->89 dropped 133 VBScript performs obfuscated calls to suspicious functions 11->133 135 Wscript starts Powershell (via cmd or directly) 11->135 137 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->137 139 Suspicious execution chain found 11->139 21 cmd.exe 1 11->21         started        24 cmd.exe 15->24         started        26 conhost.exe 15->26         started        28 cmd.exe 17->28         started        30 conhost.exe 17->30         started        141 Loading BitLocker PowerShell Module 19->141 32 conhost.exe 19->32         started        34 conhost.exe 19->34         started        36 conhost.exe 19->36         started        38 3 other processes 19->38 signatures6 process7 signatures8 117 Suspicious powershell command line found 21->117 119 Wscript starts Powershell (via cmd or directly) 21->119 121 Uses cmd line tools excessively to alter registry or file data 21->121 123 Bypasses PowerShell execution policy 21->123 40 cmd.exe 2 21->40         started        43 conhost.exe 21->43         started        45 powershell.exe 24->45         started        47 conhost.exe 24->47         started        49 reg.exe 24->49         started        51 powershell.exe 24->51         started        53 powershell.exe 28->53         started        55 conhost.exe 28->55         started        57 2 other processes 28->57 process9 signatures10 125 Suspicious powershell command line found 40->125 127 Wscript starts Powershell (via cmd or directly) 40->127 129 Uses cmd line tools excessively to alter registry or file data 40->129 59 powershell.exe 40->59         started        63 powershell.exe 14 35 40->63         started        66 conhost.exe 40->66         started        68 reg.exe 40->68         started        131 Loading BitLocker PowerShell Module 45->131 70 csc.exe 45->70         started        72 cmstp.exe 45->72         started        74 csc.exe 53->74         started        76 cmstp.exe 53->76         started        process11 dnsIp12 103 rootsaul.work.gd 195.177.95.145, 49711, 6666 DINET-ASRU Ukraine 59->103 105 156.253.250.62, 49708, 49713, 49714 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 59->105 143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 59->143 145 Found suspicious powershell code related to unpacking or dynamic code loading 59->145 107 0x0.st 168.119.145.117, 443, 49706, 49709 HETZNER-ASDE Germany 63->107 93 C:\Users\user\AppData\...\skf3kbeu.cmdline, Unicode 63->93 dropped 147 Loading BitLocker PowerShell Module 63->147 78 csc.exe 3 63->78         started        81 cmstp.exe 8 7 63->81         started        95 C:\Users\user\AppData\Local\...\g31bpk14.dll, PE32 70->95 dropped 83 cvtres.exe 70->83         started        97 C:\Users\user\AppData\Local\...\o44m04fe.dll, PE32 74->97 dropped 85 cvtres.exe 74->85         started        file13 signatures14 process15 file16 91 C:\Users\user\AppData\Local\...\skf3kbeu.dll, PE32 78->91 dropped 87 cvtres.exe 1 78->87         started        process17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=smr7iracpgcvi27sq7ezdjbkxyofjiu2q5243ia5vh7hqiofc3mq._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/250130-ktvqfawpet/
Behaviour
Kills process with taskkill
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
rootsaul.work.gd:6666
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Base64_Encoded_Powershell_Directives
Create hunting rule

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 9323f444027985546bf287c991a42abe1c54a29a8775cda01da9fe7821c516d9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3420649/
  
Delivery method
Distributed via web download

Comments