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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8a4f471ed9635a51256a8b6ed268465cf3ead6de73baf88761944cd8802aa8e. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: c8a4f471ed9635a51256a8b6ed268465cf3ead6de73baf88761944cd8802aa8e
SHA3-384 hash: 0cff472eeb7f3fbf8ccda5a2886bebba5c89f3cfeefc19e0bafa5ed129312920a6758b7f5f40f06975b20bc36b77ca85
SHA1 hash: 21bf43f0393e849193203dd868046e4954666b1f
MD5 hash: 223999dbe800bd49cf9a2bed6d2e199b
humanhash: alanine-kentucky-skylark-fix
File name:PO-102F4S SITCVN.js
Download: download sample
Signature VIPKeylogger
File size:48'296 bytes
First seen:2026-10-09 14:58:50 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:4bmPFqLAzjVx7iXtCR5fxg9ZUBCmInQE8:4bGFJxYCBCrQE8
TLSH T1C9234383FB6102866C515B0E2BEFFB9B75951833321C2265386CD915246FB83642FFB9
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:js VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-10-09T05:36:00Z UTC
Last seen:
2026-10-11T12:54:00Z UTC
Hits:
~1000
Result
Threat name:
VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
Creates processes via WMI
Drops script or batch files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Powershell connects to network
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
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)
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 starts Powershell (via cmd or directly)
Yara detected MSIL Injector
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1984910 Sample: PO-102F4S SITCVN.js Startdate: 09/10/2026 Architecture: WINDOWS Score: 100 40 reallyfreegeoip.org 2->40 42 api.telegram.org 2->42 44 4 other IPs or domains 2->44 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 74 13 other signatures 2->74 8 wscript.exe 1 3 2->8         started        12 wscript.exe 1 2->12         started        14 powershell.exe 14 16 2->14         started        signatures3 70 Tries to detect the country of the analysis system (by using the IP) 40->70 72 Uses the Telegram API (likely for C&C communication) 42->72 process4 dnsIp5 34 C:\...\PO-102F4S SITCVN.js:Zone.Identifier, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\PO-102F4S SITCVN.js, Unicode 8->36 dropped 76 Suspicious powershell command line found 8->76 78 Wscript starts Powershell (via cmd or directly) 8->78 80 Drops script or batch files to the startup folder 8->80 86 3 other signatures 8->86 17 powershell.exe 12->17         started        52 pub-45a83f302a1943ed8d62418c2af947ef.r2.dev 104.18.50.34, 443, 49716, 49739 CLOUDFLARENET-CloudflareIncUS Canada 14->52 54 rough-truth-e072.publicftpresend.workers.dev 104.21.91.242, 443, 49715, 49733 CLOUDFLARENET-CloudflareIncUS Canada 14->54 38 C:\Users\Public\Downloads\payload.txt, ASCII 14->38 dropped 82 Writes to foreign memory regions 14->82 84 Injects a PE file into a foreign processes 14->84 20 CasPol.exe 15 4 14->20         started        23 conhost.exe 14->23         started        file6 signatures7 process8 dnsIp9 56 Writes to foreign memory regions 17->56 58 Injects a PE file into a foreign processes 17->58 60 Powershell connects to network 17->60 25 CasPol.exe 4 17->25         started        28 conhost.exe 17->28         started        30 CasPol.exe 17->30         started        32 2 other processes 17->32 46 api.telegram.org 149.154.166.110, 443, 49743, 49754 TELEGRAMVG Netherlands 20->46 48 checkip.dyndns.com 158.101.44.242, 49717, 49721, 49726 ORACLE-BMC-31898-OracleCorporationUS United States 20->48 50 reallyfreegeoip.org 104.21.67.152, 443, 49718, 49719 CLOUDFLARENET-CloudflareIncUS Canada 20->50 62 Tries to steal Mail credentials (via file / registry access) 20->62 signatures10 process11 signatures12 88 Tries to steal Mail credentials (via file / registry access) 25->88 90 Tries to harvest and steal browser information (history, passwords, etc) 25->90
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-10-09 08:37:44 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger persistence privilege_escalation stealer
Behaviour
Modifies registry class
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
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Creates a file in the Startup directory
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: VIPKeylogger
Process spawned unexpected child process
Malware Config
C2 Extraction:
https://api.telegram.org/bot8605662882:AAGOi8tNnOtTj4sPeFNCHThH6IZ5Lh938lQ/sendMessage?chat_id=8008584601
Malware family:
VIPKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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