MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31108da287bb965129eddb709be15ad2aea4ff90d22f5704e966c97b61fd9c9b. 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 1 YARA 3 File information Comments

SHA256 hash: 31108da287bb965129eddb709be15ad2aea4ff90d22f5704e966c97b61fd9c9b
SHA3-384 hash: ce808374512d08902add2997dae64e0436f07095d6a5cd00d99e414f13478a1a87b49df4a76470ff6a1e2a70b54799d6
SHA1 hash: 709dc3bd85e0ce29d2688706a913e491fe10c42d
MD5 hash: 93c3388a4bed41b7ce425f241f99a0ff
humanhash: william-nitrogen-snake-oranges
File name:Notification.vbs
Download: download sample
Signature XWorm
File size:164'143 bytes
First seen:2025-09-25 10:00:28 UTC
Last seen:2025-09-26 04:20:19 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:Ih/sOiGXjF7t4Sn4NN9kLaUqtG1pR3EFzcoal88QDoGmeQSrmSpuiZH6:O/sOiGXz4lNN9tswcmlp3ZH6
Threatray 707 similar samples on MalwareBazaar
TLSH T138F372D45FB9F751369A1AAB82E294DB3F03B351B70DA229295D38C047AE82C35743CD
Magika vba
Reporter abuse_ch
Tags:vbs xworm


Avatar
abuse_ch
XWorm C2:
196.251.73.134:4580

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
196.251.73.134:4580 https://threatfox.abuse.ch/ioc/1601195/

Intelligence


File Origin
# of uploads :
2
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate autorun xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2025-09-25T06:44:00Z UTC
Last seen:
2025-09-25T06:44:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.PowerShell.Tesre.sb Backdoor.Agent.TCP.C&C Trojan-Downloader.JS.Cryptoload.sb Trojan.BAT.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Tesre.gen Trojan.JS.SAgent.sb HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan-Downloader.Script.Generic Trojan.PowerShell.AmsiBypass.sb
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates processes via WMI
Drops script or batch files to the startup folder
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
Powershell drops PE file
Powershell is started from unusual location (likely to bypass HIPS)
Reads the Security eventlog
Reads the System eventlog
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
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: System File Execution Location Anomaly
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1783988 Sample: Notification.vbs Startdate: 25/09/2025 Architecture: WINDOWS Score: 100 100 Suricata IDS alerts for network traffic 2->100 102 Found malware configuration 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 20 other signatures 2->106 9 wscript.exe 1 2->9         started        13 powershell.exe 26 2->13         started        15 powershell.exe 2->15         started        17 6 other processes 2->17 process3 file4 96 C:\Users\Public\FenceArea6667.bat, ASCII 9->96 dropped 130 Wscript starts Powershell (via cmd or directly) 9->130 132 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->132 134 Suspicious execution chain found 9->134 136 Creates processes via WMI 9->136 19 cmd.exe 1 9->19         started        138 Powershell is started from unusual location (likely to bypass HIPS) 13->138 140 Reads the Security eventlog 13->140 142 Reads the System eventlog 13->142 22 conhost.exe 13->22         started        24 conhost.exe 15->24         started        26 cmd.exe 1 17->26         started        28 cmd.exe 17->28         started        30 cmd.exe 17->30         started        32 9 other processes 17->32 signatures5 process6 signatures7 108 Suspicious powershell command line found 19->108 110 Wscript starts Powershell (via cmd or directly) 19->110 112 Creates processes via WMI 19->112 34 cmd.exe 1 19->34         started        36 conhost.exe 19->36         started        38 cmd.exe 1 26->38         started        41 cmd.exe 28->41         started        43 cmd.exe 30->43         started        45 cmd.exe 32->45         started        47 cmd.exe 32->47         started        49 cmd.exe 32->49         started        process8 signatures9 51 cmd.exe 2 34->51         started        118 Suspicious powershell command line found 38->118 120 Wscript starts Powershell (via cmd or directly) 38->120 54 powershell.exe 38->54         started        57 conhost.exe 38->57         started        59 powershell.exe 41->59         started        61 conhost.exe 41->61         started        63 2 other processes 43->63 65 2 other processes 45->65 67 2 other processes 47->67 69 2 other processes 49->69 process10 file11 114 Suspicious powershell command line found 51->114 116 Wscript starts Powershell (via cmd or directly) 51->116 71 powershell.exe 5 34 51->71         started        76 conhost.exe 51->76         started        78 C:\Users\user\AppData\Roaming\...\2672.bat, ASCII 54->78 dropped 80 C:\Users\user\AppData\Roaming\...\4727.bat, ASCII 59->80 dropped 82 C:\Users\user\AppData\Roaming\...\b1e0.bat, ASCII 63->82 dropped 84 C:\Users\user\AppData\Roaming\...\5336.bat, ASCII 65->84 dropped 86 C:\Users\user\AppData\Roaming\...\5987.bat, ASCII 67->86 dropped 88 C:\Users\user\AppData\Roaming\...\34e2.bat, ASCII 69->88 dropped signatures12 process13 dnsIp14 98 196.251.73.134, 4580, 49693 Web4AfricaZA Seychelles 71->98 90 C:\Users\user\AppData\...\powershell.exe, PE32+ 71->90 dropped 92 C:\Users\user\AppData\...\powershell.lnk, MS 71->92 dropped 94 C:\Users\user\AppData\Roaming\...\7beb.bat, ASCII 71->94 dropped 122 Drops script or batch files to the startup folder 71->122 124 Creates autostart registry keys with suspicious values (likely registry only malware) 71->124 126 Found suspicious powershell code related to unpacking or dynamic code loading 71->126 128 2 other signatures 71->128 file15 signatures16
Gathering data
Threat name:
Script-WScript.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-09-25 10:01:46 UTC
File Type:
Text
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Drops startup file
Badlisted process makes network request
Detect Xworm Payload
Process spawned unexpected child process
Xworm
Xworm family
Malware Config
C2 Extraction:
196.251.73.134:4580
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:ClamAV_Emotet_String_Aggregate
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
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
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments