MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03034db898bb76e51b941005585251b64956ae5ff4ce2e55cbbdab9174e00a55. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 03034db898bb76e51b941005585251b64956ae5ff4ce2e55cbbdab9174e00a55
SHA3-384 hash: f2e7414abe33d287079bafed823b961dfc9ac8f140d42b7742642f4f9382db8f9f36e5fcb995307ff0bc5656df48fbeb
SHA1 hash: 6cc2c6128a404fcf1642bba11d79ebe749f5bb2f
MD5 hash: 03f276f2e663e4580fa5bbebb65bd03c
humanhash: finch-lemon-pip-may
File name:Thông báo của HĐĐT Công ty vi phạm thuế quá mức Thông báo số 10964001.js
Download: download sample
Signature VIPKeylogger
File size:345'938 bytes
First seen:2025-11-17 08:09:09 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:CPHjQ1kZ8tcebFo4pgTMa7Y5mZcexuYL2G29MQ8Z:YHjQ1kZ8hFgga7UuiytQ8Z
Threatray 204 similar samples on MalwareBazaar
TLSH T1C374C639A615CC47CE6B1F52F12686717063ED23F2730AA89221E8516D3D6EEBDDD80C
Magika javascript
Reporter smica83
Tags:js VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
autorun spam
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated powershell powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-11-17T02:29:00Z UTC
Last seen:
2025-11-19T06:37:00Z UTC
Hits:
~10000
Detections:
Trojan.PowerShell.AmsiBypass.sb HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Tesre.sb HEUR:Trojan.BAT.Tesre.gen Trojan.VBS.SAgent.sb PDM:Trojan.Win32.Generic Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan-Downloader.Script.Generic Trojan.BAT.Agent.sb
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Creates processes via WMI
Drops script or batch files to the startup folder
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
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)
Unusual module load detection (module proxying)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1815122 Sample: U0110T C#U00f4ng ty vi ph#U... Startdate: 17/11/2025 Architecture: WINDOWS Score: 100 96 reallyfreegeoip.org 2->96 98 api.telegram.org 2->98 100 2 other IPs or domains 2->100 108 Suricata IDS alerts for network traffic 2->108 110 Found malware configuration 2->110 112 Malicious sample detected (through community Yara rule) 2->112 118 15 other signatures 2->118 10 wscript.exe 1 1 2->10         started        13 cmd.exe 2->13         started        15 cmd.exe 1 2->15         started        17 4 other processes 2->17 signatures3 114 Tries to detect the country of the analysis system (by using the IP) 96->114 116 Uses the Telegram API (likely for C&C communication) 98->116 process4 signatures5 134 Wscript starts Powershell (via cmd or directly) 10->134 136 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->136 138 Suspicious execution chain found 10->138 140 Creates processes via WMI 10->140 19 cmd.exe 1 10->19         started        22 cmd.exe 13->22         started        24 conhost.exe 13->24         started        26 cmd.exe 1 15->26         started        28 conhost.exe 15->28         started        30 cmd.exe 1 17->30         started        32 cmd.exe 1 17->32         started        34 cmd.exe 17->34         started        36 5 other processes 17->36 process6 signatures7 120 Suspicious powershell command line found 19->120 122 Wscript starts Powershell (via cmd or directly) 19->122 124 Bypasses PowerShell execution policy 19->124 38 cmd.exe 1 19->38         started        40 conhost.exe 19->40         started        42 cmd.exe 22->42         started        45 cmd.exe 1 26->45         started        47 cmd.exe 1 30->47         started        49 cmd.exe 1 32->49         started        51 cmd.exe 34->51         started        53 cmd.exe 36->53         started        process8 signatures9 55 cmd.exe 2 38->55         started        142 Suspicious powershell command line found 42->142 144 Wscript starts Powershell (via cmd or directly) 42->144 58 powershell.exe 42->58         started        61 conhost.exe 42->61         started        67 2 other processes 45->67 63 powershell.exe 47->63         started        65 conhost.exe 47->65         started        69 2 other processes 49->69 71 2 other processes 51->71 73 2 other processes 53->73 process10 file11 126 Suspicious powershell command line found 55->126 128 Wscript starts Powershell (via cmd or directly) 55->128 75 powershell.exe 16 29 55->75         started        80 conhost.exe 55->80         started        82 C:\Users\user\AppData\Roaming\...\b15b.bat, ASCII 58->82 dropped 130 Tries to steal Mail credentials (via file / registry access) 58->130 132 Tries to harvest and steal browser information (history, passwords, etc) 58->132 84 C:\Users\user\AppData\Roaming\...\0271.bat, ASCII 63->84 dropped 86 C:\Users\user\AppData\Roaming\...\efff.bat, ASCII 67->86 dropped 88 C:\Users\user\AppData\Roaming\...\ed85.bat, ASCII 69->88 dropped 90 C:\Users\user\AppData\Roaming\...\aa49.bat, ASCII 71->90 dropped 92 C:\Users\user\AppData\Roaming\...\4230.bat, ASCII 73->92 dropped signatures12 process13 dnsIp14 102 api.telegram.org 149.154.167.220, 443, 49723, 49729 TELEGRAMRU United Kingdom 75->102 104 checkip.dyndns.com 193.122.6.168, 49721, 49724, 49727 ORACLE-BMC-31898US United States 75->104 106 reallyfreegeoip.org 104.21.67.152, 443, 49722, 49725 CLOUDFLARENETUS United States 75->106 94 C:\Users\user\AppData\Roaming\...\66ce.bat, ASCII 75->94 dropped 146 Drops script or batch files to the startup folder 75->146 148 Tries to steal Mail credentials (via file / registry access) 75->148 150 Found suspicious powershell code related to unpacking or dynamic code loading 75->150 152 2 other signatures 75->152 file15 signatures16
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2025-11-17 06:12:34 UTC
File Type:
Text (HTML)
AV detection:
6 of 38 (15.79%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger stealer
Behaviour
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
System Location Discovery: System Language Discovery
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Drops startup file
Badlisted process makes network request
Process spawned unexpected child process
VIPKeylogger
Vipkeylogger family
Malware family:
VIPKeylogger
Verdict:
Malicious
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_PS1_JAB_Pattern_Jun22_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments