MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ff1f162756335ca314c2a347aa1ac9d377325364bd1b2b5e84d7dcd09a00a0f. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 8ff1f162756335ca314c2a347aa1ac9d377325364bd1b2b5e84d7dcd09a00a0f
SHA3-384 hash: e785461f44e6016df9701447aee120625fd71937b6d852c054aabad5712b67680cab7b2b1afac945913c1a0f548769f6
SHA1 hash: 8af7eeba6e0fb3782157e354b1faa41e95028808
MD5 hash: 4bf76c49fc9f73fe7aab7bd163d3e84b
humanhash: alpha-michigan-skylark-river
File name:SG1006261_AvisodePago.pdf.js
Download: download sample
Signature PhantomStealer
File size:12'259'402 bytes
First seen:2026-06-10 16:26:32 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:y3nGwOEJiPKMC2dixYT+T/m+TUYSwBOfP2sLE9g6C3EALMxzBkJopgb8K3gn0owc:ucpV+KG
TLSH T176C66B03499D670B00C8D2B7E0378993C6DEE43ABAE8F6E257530DC6E84F5D469527E8
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika autohotkey
Reporter abuse_ch
Tags:js PhantomStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
121
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
xtreme shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-10T09:25:00Z UTC
Last seen:
2026-06-10T09:54:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.DOTHETUK.sb Trojan.MSIL.Crypt.sb Trojan.VBS.SAgent.sb Trojan-PSW.MSIL.Agent.sb Trojan-Downloader.MSIL.Seraph.d Trojan-Downloader.MSIL.Agent.c PDM:Exploit.Win32.Generic Trojan.JS.SAgent.sb HEUR:Trojan.VBS.Agent.gen HEUR:Trojan-Downloader.Script.Generic Trojan-PSW.Win32.Coins.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Discord.sb PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealer.sb Trojan-PSW.MSIL.Stealerium.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Gathering data
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 Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detects PhantomStealer written in C#
Family: PhantomStealer
Process spawned unexpected child process
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: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