MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9a5b97c3839722f52530a7e53d8e1059fc3fdf03daa032ada16d01708a39e4cc. 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: 6
| SHA256 hash: | 9a5b97c3839722f52530a7e53d8e1059fc3fdf03daa032ada16d01708a39e4cc |
|---|---|
| SHA3-384 hash: | 4e744f991dbecca05f19633001c286842293b5565130b554f2e56b2f8873e95fb5ce65d6dd9716c50b563f19acd2bfa1 |
| SHA1 hash: | 27cbd327e457e0aecb625524bc83bcfc0d9e9939 |
| MD5 hash: | 48217f1d8461f09faed4ccbb5ec163ef |
| humanhash: | green-pasta-wyoming-chicken |
| File name: | BU40-D-000-IN-MRQ-0524.vbs |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 5'002'036 bytes |
| First seen: | 2026-08-21 08:47:41 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/csv |
| ssdeep | 24576:pzcVYAZ1ypgLISKDPrpPNwPii2OjwxT6KgLH00MUEX8:vAYSaXJVM |
| TLSH | T17F3616ABC7EC4104F6F76F009E82431D407BFD6640BAA199A31149AD9775128FCAAF73 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | MassLogger vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
58
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
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
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suspicious execution chain found
Suspicious powershell command line 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)
Windows Shell Script Host drops VBS files
Wscript called in batch mode (surpress errors)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
52%
Verdict:
Susipicious
File Type:
SCRIPT
Verdict:
inconclusive
YARA:
1 match(es)
Detection(s):
Suspicious file
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Executes a VBScript file via the Windows Script Host.
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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