MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a5b1fcf717a07107aec03d700fdedf673ebb5d3b38313a0a357b23314c6cc2eb. 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: | a5b1fcf717a07107aec03d700fdedf673ebb5d3b38313a0a357b23314c6cc2eb |
|---|---|
| SHA3-384 hash: | 6b4168e09534a5808f8514ed7987432c87dcd42932b1f4940ff8e16b3bc28827d11f5ec6a4561e3626453b080de399ac |
| SHA1 hash: | 16cb9325b2a79d8a406d674bb2692115685b358b |
| MD5 hash: | 0228b2fbe66646d19e60c870d575ce8e |
| humanhash: | thirteen-florida-ten-golf |
| File name: | confirmar cotización.js |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'548'340 bytes |
| First seen: | 2026-07-22 15:06:36 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 24576:ZzJbWZE5TbAGFmhqE9/JmQZlIbLil4xxONehfL:1JbWZE5TbAGFmwE9/J3ZlIbLil4xxON4 |
| TLSH | T15C655C3110C612AF62A2546E877D45261DBFDF72F33C106E0B286532EFA7A44961EB73 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | txt |
| Reporter |  lowmal3 |
| Tags: | js MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
178
Origin country :
DEVendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd conhost expand lolbin powershell repaired
Verdict:
Suspicious
Labled as:
VBS/Obfuscated.G trojan
Verdict:
Malicious
File Type:
js
First seen:
2026-07-22T11:39:00Z UTC
Last seen:
2026-07-22T12:08:00Z UTC
Hits:
~100
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
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Found malware configuration
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious execution chain found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
3%
Verdict:
Benign
File Type:
SCRIPT
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
NovaStealer
Similar samples:
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection execution persistence 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
Executes a command shell one-liner
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Downloads MZ/PE file
Family: MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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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