MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 081c694fe404f169903f2989e3616052dfcf0b2f91ad31c94f44f844598419d5. 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



PhantomStealer


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 081c694fe404f169903f2989e3616052dfcf0b2f91ad31c94f44f844598419d5
SHA3-384 hash: 2c52264034fd1f99481d501149aaff6fe63bf412610709f7c7a75b6380887f1337e3d40996c9e17caa3e36cb140f6a35
SHA1 hash: f0a90e7a2fed043a7ed7850e2b2e9c035701db8c
MD5 hash: 20baf6a2e59647acfafeaca5f4fbe72a
humanhash: florida-salami-virginia-oranges
File name:20baf6a2e59647acfafeaca5f4fbe72a.js
Download: download sample
Signature PhantomStealer
File size:62'487 bytes
First seen:2026-03-18 09:43:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:ZvJXbiuMa/71N8irK+pHSccxDTtKwwhvoWwnmtZx42u2OpM6AdU/8w5HzQen3jOu:bjj6BOJ/QLQXR78uXxVP5cFT
TLSH T1AA53FB7D8D1C8475A90BEB0CA901EBD8ECDBAC071F7C6FD4518407AEBFA449A885F056
Magika javascript
Reporter abuse_ch
Tags:js PhantomStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Malicious
File Type:
js
Detections:
Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
KeyLogger, Phantom stealer, Strela Steal
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Browser instances using unsafe startup parameters
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates a thread in another existing process (thread injection)
Creates processes via WMI
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: RegAsm connects to smtp port
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected Keylogger Generic
Yara detected Phantom stealer
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Strela Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1885510 Sample: EX4LGFNMut.js Startdate: 18/03/2026 Architecture: WINDOWS Score: 100 65 mail.lotuscare.com.my 2->65 67 grocery.brightnous.com 2->67 69 3 other IPs or domains 2->69 93 Suricata IDS alerts for network traffic 2->93 95 Found malware configuration 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 23 other signatures 2->99 11 wscript.exe 1 2->11         started        14 RegAsm.exe 2->14         started        16 RegAsm.exe 2->16         started        18 svchost.exe 1 1 2->18         started        signatures3 process4 signatures5 109 Suspicious powershell command line found 11->109 111 Wscript starts Powershell (via cmd or directly) 11->111 113 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->113 115 2 other signatures 11->115 20 powershell.exe 14 18 11->20         started        24 conhost.exe 14->24         started        26 conhost.exe 16->26         started        process6 dnsIp7 71 grocery.brightnous.com 194.233.91.167, 443, 49686 NEXINTO-DE Germany 20->71 73 pastefy.app 172.67.188.196, 443, 49683, 49684 CLOUDFLARENETUS United States 20->73 101 Found many strings related to Crypto-Wallets (likely being stolen) 20->101 103 Writes to foreign memory regions 20->103 105 Suspicious execution chain found 20->105 107 Injects a PE file into a foreign processes 20->107 28 RegAsm.exe 16 13 20->28         started        33 conhost.exe 20->33         started        signatures8 process9 dnsIp10 79 mail.lotuscare.com.my 103.27.74.99, 49766, 587 GIGABIT-MYGigabitHostingSdnBhdMY Malaysia 28->79 81 icanhazip.com 104.16.184.241, 49765, 80 CLOUDFLARENETUS United States 28->81 63 C:\Users\user\AppData\Roaming\RegAsm.exe, PE32 28->63 dropped 117 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->117 119 Tries to steal Mail credentials (via file / registry access) 28->119 121 Tries to harvest and steal browser information (history, passwords, etc) 28->121 123 7 other signatures 28->123 35 firefox.exe 2 28->35         started        37 msedge.exe 28->37         started        41 chrome.exe 28->41 injected 43 10 other processes 28->43 file11 signatures12 process13 dnsIp14 45 firefox.exe 3 45 35->45         started        75 192.168.2.9, 138, 443, 49294 unknown unknown 37->75 77 239.255.255.250 unknown Reserved 37->77 61 C:\Users\user\AppData\Local\...\000003.log, DOS 37->61 dropped 49 msedge.exe 37->49         started        51 setup.exe 37->51         started        53 msedge.exe 37->53         started        55 msedge.exe 37->55         started        file15 process16 dnsIp17 83 mozilla.map.fastly.net 151.101.193.91, 443, 49697 FASTLYUS United States 45->83 85 127.0.0.1 unknown unknown 45->85 125 Monitors registry run keys for changes 45->125 127 Installs a global keyboard hook 45->127 57 firefox.exe 1 45->57         started        87 a1666.dscr.akamai.net 23.218.232.166, 443, 49708, 49709 RAYA-ASEG United States 49->87 89 23.55.178.220, 443, 49761 NTT-COMMUNICATIONS-2914US United States 49->89 91 39 other IPs or domains 49->91 59 setup.exe 51->59         started        signatures18 process19
Gathering data
Threat name:
Script-JS.Trojan.Kepavll
Status:
Malicious
First seen:
2026-03-17 16:38:06 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
phantom_stealer
Score:
  10/10
Tags:
family:phantom_stealer collection discovery execution persistence spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of web browsers
Badlisted process makes network request
Detects PhantomStealer written in C#
PhantomStealer
Phantom_stealer family
Process spawned unexpected child process
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.

Comments