MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bb39bbb7f1300c10ca7fbed5c67ee95686be7a34dd99ce4ca36fc9300439d6e3. 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: 12
| SHA256 hash: | bb39bbb7f1300c10ca7fbed5c67ee95686be7a34dd99ce4ca36fc9300439d6e3 |
|---|---|
| SHA3-384 hash: | bd049887c63bd68eb9b1dfdea10a50d30dea863e7d957115aad941332ccaff361e0bfebac5390c6e43d477913bec71fd |
| SHA1 hash: | af7d4ec1dff8b7f59599fc6d6557eb54790ff985 |
| MD5 hash: | 7a5b9ba33788d320e2e2a9fdae43f18d |
| humanhash: | georgia-tango-pizza-eleven |
| File name: | TRANSFERENCIA.js |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 3'884'038 bytes |
| First seen: | 2026-06-22 06:59:52 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 3072:JJLo4jEpCuWheFRoqv4hu38ZF9GY5AEsSABbxaZ9Ka0F6rm5xq8jELhyACuYwVH9:jjEm+qXKnseuV9H |
| Threatray | 1'605 similar samples on MalwareBazaar |
| TLSH | T1C706073CCC69422EC1B3C52CC88A490FF8926917223DE94BA0D7675B5F57583B79239E |
| 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 :
140
Origin country :
DEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
agenttesla virus shell agent
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
conhost obfuscated powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-18T10:53:00Z UTC
Last seen:
2026-06-24T05:40:00Z UTC
Hits:
~10000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
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:
57%
Verdict:
Susipicious
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Family.MASSLOGGER
Threat name:
Script-JS.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-06-18 14:08:15 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 1'595 additional samples on MalwareBazaar
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
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
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
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.
Malspam
Delivery method
Distributed via e-mail attachment
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