MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a99dcf9a006a8bba7ff7a934fdd7d1d4232ee5ead022dcdc36a2bb9f8e3242d6. 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: 8
| SHA256 hash: | a99dcf9a006a8bba7ff7a934fdd7d1d4232ee5ead022dcdc36a2bb9f8e3242d6 |
|---|---|
| SHA3-384 hash: | 73cd183775941161b87bcffaeb6044c103d6c21ddcbd15bf1c34709b078ce8492f8ebf0d289541f8f284d42c0dc8f02e |
| SHA1 hash: | 00a6cb85b60a498a8d3a7e68e183a4422f3745e1 |
| MD5 hash: | 687440e1e1bc1db60aea9153102c0b41 |
| humanhash: | edward-edward-virginia-neptune |
| File name: | Consulta de producto.js |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 400'090 bytes |
| First seen: | 2025-05-16 19:19:41 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 768:CLHTwoBxcqBBY7yjL42lpauLHTwoBxcqBBY7yjL42lpb:e7XbbjNaS7XbbjNb |
| TLSH | T14884600A7F1160A154F7A35ABE2A8204E5313317945286373AFED6446F72CC4D7BAFE8 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
497
Origin country :
NLVendor Threat Intelligence
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Javascript file is likely language aware (will only work on specific systems)
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: New RUN Key Pointing to Suspicious Folder
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
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)
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
0%
Verdict:
Benign
File Type:
SCRIPT
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2025-05-15 20:22:10 UTC
AV detection:
6 of 37 (16.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
execution
Behaviour
Script User-Agent
Command and Scripting Interpreter: JavaScript
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.28
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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