MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d139f12bc1d4c56ec47f2e9eebe25b381a51eab9c62575dd96e56b6f23390be4. 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: | d139f12bc1d4c56ec47f2e9eebe25b381a51eab9c62575dd96e56b6f23390be4 |
|---|---|
| SHA3-384 hash: | 9023fe41fd58d16dd5e5d9a91e6907eba41dac2c1c6f494449a8539b3351428427ba41889e31131c78a3647217461704 |
| SHA1 hash: | f46d8a908c3f9f8e937c090051b37ef9630bc7ca |
| MD5 hash: | 5460054248bd1cd5a3091dd5490c6dc6 |
| humanhash: | mirror-idaho-georgia-mango |
| File name: | PO MSKU#00133618.vbs |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'259'076 bytes |
| First seen: | 2026-02-18 09:26:04 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 384:3EXLevg6ubZTnOHowE655FPH6ZYAcFVxLLxlvD3:f3 |
| Threatray | 1'506 similar samples on MalwareBazaar |
| TLSH | T18C45C2D6E71F1FFCBC91AFB4BDA943360826B0A5B1695C069DC81180E96D5F8C322D6C |
| Magika | python |
| Reporter |  abuse_ch |
| Tags: | MassLogger vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
67
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
obfuscate xtreme virus
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell remcos
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
vbs
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-Downloader.MSIL.Seraph.d Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.Script.Generic Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Agent.sb Trojan-Downloader.MSIL.Agent.c Trojan.Win32.Agent.sb Trojan.Agentb.TCP.C&C Trojan.JS.SAgent.sb Trojan-Spy.MSIL.BPLogger.sb
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 processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Tries to steal Mail credentials (via file / registry access)
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 Crypter
Yara detected MSIL Logger
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
8%
Verdict:
Benign
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Trojan-Spy.MSIL.BPLogger
Threat name:
Script-WScript.Trojan.Znyonm
Status:
Malicious
First seen:
2026-02-17 12:12:58 UTC
File Type:
Binary
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 1'496 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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://ia600603.us.archive.org/13/items/msi-pro-with-b-64_202602/MSI_PRO_with_b64.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | ClamAV_Emotet_String_Aggregate |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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