MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dff4319ada078e744497da2f44a594228f2dde3761a0c80ebd5df43e7cc41b85. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: dff4319ada078e744497da2f44a594228f2dde3761a0c80ebd5df43e7cc41b85
SHA3-384 hash: 9f0316edf9c5ac6709ff44e0d23f89571ced4236d78cd9e5559c5b2f4d046bf699a9cb8c2851b0838b977cf096370128
SHA1 hash: a294554ee04f575c27663173c15c07334892003a
MD5 hash: 954f450a41337689d3253c82bfaf56db
humanhash: oregon-kilo-four-aspen
File name:sostener.vbs
Download: download sample
Signature XWorm
File size:113'763 bytes
First seen:2025-06-13 06:27:09 UTC
Last seen:2025-06-13 06:44:07 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:MZi5H/CZowqKP88c7VWKBtyo9hxUmleC3N:MZi5H/CZowqv8K3yEheXmN
TLSH T197B342C79E0BC760413246E39C2B989EEA44407B9261E11CFC4CE4E16F3FBD5AD546EA
Magika vba
Reporter abuse_ch
Tags:vbs xworm

Intelligence


File Origin
# of uploads :
5
# of downloads :
64
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme spawn
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
VBScript performs obfuscated calls to suspicious functions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Backdoor.Xworm
Status:
Suspicious
First seen:
2025-06-13 03:19:12 UTC
File Type:
Text (VBS)
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
gotemburgoxm.duckdns.org:49777
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:RANSOMWARE
Author:ToroGuitar

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 dff4319ada078e744497da2f44a594228f2dde3761a0c80ebd5df43e7cc41b85

(this sample)

Comments