MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 40127b2fdcc16c20181a5f49ab120cdf7648f3526e8b99264a66e7ae419531cd. 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
MassLogger
Vendor detections: 9
| SHA256 hash: | 40127b2fdcc16c20181a5f49ab120cdf7648f3526e8b99264a66e7ae419531cd |
|---|---|
| SHA3-384 hash: | 4d72d8ce011604d89b1a59d717820e7a864e1124a25f45b49d1e901cac0c136fce4b0ee08b4920f3d215208894e2befe |
| SHA1 hash: | 3f1241042394949e181977da197a3e96292cac04 |
| MD5 hash: | 1ef6fe0764ae60c3186565cfd4210e1a |
| humanhash: | grey-low-sierra-fourteen |
| File name: | Vanto Energy Order PO-B2843.js |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 3'772 bytes |
| First seen: | 2025-07-08 14:40:40 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 96:BBYGBY8BYtBY+MBYGBYfBYVBYtBYcSBY8BYzMBYtBYCBYoBYXBY7BYHBYtBYlBYA:Yzxro |
| Threatray | 1'511 similar samples on MalwareBazaar |
| TLSH | T1A771D4FBD30A662E56E17AE6464F0F7DD730748EEF4076713C41A048210698E89FA7E8 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
38
Origin country :
SEVendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Labled as:
Trojan[Downloader]/Script.Agent
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
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: Script Initiated Connection to Non-Local Network
Sigma detected: Silenttrinity Stager Msbuild Activity
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
System process connects to network (likely due to code injection or exploit)
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
39%
Verdict:
Susipicious
File Type:
SCRIPT
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1059.005 VBScript
Threat name:
Script-JS.Spyware.Negasteal
Status:
Malicious
First seen:
2025-07-07 12:59:17 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 1'501 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8165311491:AAHnNIZmNjc_ME11uuMC64FEkAFrkFjpP3Y/sendMessage?chat_id=5303812420
Dropper Extraction:
https://archive.org/download/universe-1733359315202-8750/universe-1733359315202-8750.jpg
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.08
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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