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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb5086bc0459adbfa0f5ecc1806e7faf05b83236e16586e69e10e7e7478cf2ec. 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



VIPKeylogger


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: cb5086bc0459adbfa0f5ecc1806e7faf05b83236e16586e69e10e7e7478cf2ec
SHA3-384 hash: 67df79af30816f401732168c3718b11e623d5b63327e571013f5eb7eae62c3d6bcfa331cd613c9aa16cad27cea50fd87
SHA1 hash: 44169a16bbbeddcdb280a49a424fd0a98bf9d15b
MD5 hash: 02dd4bf463d66e638f52a2807e0a1bdb
humanhash: video-fish-high-hawaii
File name:11Q_SPEC_REV.js
Download: download sample
Signature VIPKeylogger
File size:2'260'277 bytes
First seen:2026-09-22 15:10:08 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:qCOxvcj+ma+3L/cmx0E/50lcVKXAf76cZrKh2B3IvPL+MJHg402y7f1wQWar1fyc:t6c9rv3P31WMJqxIwLkTf
TLSH T198A593E336CE6B56258A729F8B1F99500F2BC4212E13AF80D0C7AAD1F60E1975ED154F
Magika javascript
Reporter abuse_ch
Tags:js VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 encrypted evasive evasive fingerprint lolbin obfuscated obfuscated powershell reconnaissance repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-22T07:05:00Z UTC
Last seen:
2026-09-23T00:31:00Z UTC
Hits:
~100
Result
Threat name:
VIP Keylogger
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
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
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: 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)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976286 Sample: 11Q_SPEC_REV.js Startdate: 22/09/2026 Architecture: WINDOWS Score: 100 37 reallyfreegeoip.org 2->37 39 api.telegram.org 2->39 41 2 other IPs or domains 2->41 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 57 13 other signatures 2->57 8 wscript.exe 3 2->8         started        signatures3 53 Tries to detect the country of the analysis system (by using the IP) 37->53 55 Uses the Telegram API (likely for C&C communication) 39->55 process4 file5 29 C:\Temp\ps_5vPjmc1Ryn8l_1790093315786.ps1, ASCII 8->29 dropped 59 JScript performs obfuscated calls to suspicious functions 8->59 61 Suspicious powershell command line found 8->61 63 Wscript starts Powershell (via cmd or directly) 8->63 65 4 other signatures 8->65 12 powershell.exe 16 8->12         started        15 taskkill.exe 1 8->15         started        signatures6 process7 signatures8 67 Writes to foreign memory regions 12->67 69 Injects a PE file into a foreign processes 12->69 17 aspnet_compiler.exe 15 2 12->17         started        21 conhost.exe 12->21         started        23 aspnet_compiler.exe 12->23         started        27 4 other processes 12->27 25 conhost.exe 15->25         started        process9 dnsIp10 31 api.telegram.org 149.154.166.110, 443, 49740 TELEGRAMVG Netherlands 17->31 33 checkip.dyndns.com 193.122.130.0, 49724, 49726, 49728 ORACLE-BMC-31898-OracleCorporationUS United States 17->33 35 reallyfreegeoip.org 172.67.177.134, 443, 49725, 49727 CLOUDFLARENET-CloudflareIncUS Canada 17->35 43 Tries to steal Mail credentials (via file / registry access) 17->43 45 Tries to harvest and steal browser information (history, passwords, etc) 17->45 signatures11
Gathering data
Threat name:
Script-JS.Backdoor.FormBook
Status:
Malicious
First seen:
2026-09-22 13:02:46 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection defense_evasion discovery execution keylogger stealer
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: VIPKeylogger
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_JS_HexObfuscated_ActiveX_Launcher
Author:Marjoriefort
Description:JS obfusque (identifiants _0x) instanciant ActiveX sous WScript - dropper JScript frais
Reference:Veille fraicheur 2026-09-14 / cluster JS _0x
Rule name:SUSP_Script_PowerShell_Hidden_Launcher
Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments