MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ecf36a1837197b217b8efbf43a20b30145ab60eefc3cd4577bae9057aa46f4c7. 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
| SHA256 hash: | ecf36a1837197b217b8efbf43a20b30145ab60eefc3cd4577bae9057aa46f4c7 |
|---|---|
| SHA3-384 hash: | 39d376fe28f89aa2f06c039b745b31b6e220c967c0672d4bcb62186c3c4c86556015b56e88dcbc725ae94bb5e7d71c4e |
| SHA1 hash: | d139f398b0378dcedf8f57490aa7eb4dc31d9810 |
| MD5 hash: | 3a7e78b5f76143d72824e01db6940e3c |
| humanhash: | bluebird-gee-cat-sodium |
| File name: | Orden de Compra [POF0000095].vbs |
| Download: | download sample |
| Signature | XWorm |
| File size: | 944'405 bytes |
| First seen: | 2026-08-06 14:30:17 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 768:T8gt0wOb54mxYSYYPG1E27zpiXIUd6lZinMEwzggnIJzmEgvjn7S/FKhufMn28Jw:s |
| TLSH | T159154957E4EDA93D638A12762D32F3D3B6BD304154045AB7639EEC203877A03647AEB1 |
| Magika | txt |
| Reporter |  abuse_ch |
| Tags: | vbs xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
70
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
formbook
Verdict:
Malicious
Labled as:
Formbook
Verdict:
Malicious
File Type:
vbs
First seen:
2026-08-06T07:50:00Z UTC
Last seen:
2026-08-07T12:58:00Z UTC
Hits:
~1000
Result
Threat name:
XWorm
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.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
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
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: Copy file to startup via Powershell
Sigma detected: Drops script at startup location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
86%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
2 match(es)
Tags:
Base64 Block Batch Command Contains Base64 Block DeObfuscated Obfuscated PowerShell PowerShell Call Powershell: Hidden Execution Scripting.FileSystemObject T1027 T1059.001 T1059.005 VBScript WScript.Shell Wscript.Shell
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2026-08-06 13:00:17 UTC
File Type:
Text (VBS)
AV detection:
9 of 38 (23.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm collection discovery execution persistence privilege_escalation rat trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Creates a file in the Startup directory
Executes dropped EXE
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Malware Config
C2 Extraction:
155.103.69.171:1122
Dropper Extraction:
http://193.104.58.65/rumpaugust.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | detect_tiny_vbs |
|---|---|
| Author: | daniyyell |
| Description: | Detects tiny VBS delivery technique |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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