MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 13f99f37795efe9b489a593e8fc213dcfd5822dd95ee8bd3e3dee0b6df344a5f. 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: 7
| SHA256 hash: | 13f99f37795efe9b489a593e8fc213dcfd5822dd95ee8bd3e3dee0b6df344a5f |
|---|---|
| SHA3-384 hash: | b51d7d4e891f6e3a3135b2370364633a04894c014f4b385418514093b06dae56a53f3696cfd451d16532be1dca4f5530 |
| SHA1 hash: | 6555c4d3ffdef48044f89e52d281f955594aa8c5 |
| MD5 hash: | cc1d2c08691dd6eaa0f614c8a7928e27 |
| humanhash: | ack-earth-lima-muppet |
| File name: | RFQ-SCM04429866,PDF.vbs |
| Download: | download sample |
| Signature | XWorm |
| File size: | 5'696'716 bytes |
| First seen: | 2026-09-22 15:17:05 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 3072:sqdFZJWVsmWOqTO38mzf7IvSYO9OreZS8x+CvuArsDRUmXHC4osHWlUupe1fGUR3:d |
| TLSH | T1F7465EF750F4B962506FDC02D0BCA4313E4792A56DAC2C9712F51A8CF6FEE509A069B3 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | vbs xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
74
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Verdict:
Suspicious
Labled as:
VBS/TrojanDownloader.Agent
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Bypasses PowerShell execution policy
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
XWorm
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery execution persistence privilege_escalation rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Adds Run key to start application
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.21
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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