MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de. 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 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de
SHA3-384 hash: 4369967e35b97c87a54dbe03bf041be866a373f6ac40478b3bed7c9f7a33c065b86fdfc4285752218dbd29da08b12c53
SHA1 hash: be5155109e9d4f8959cf9f4d1b1514b3637d45d3
MD5 hash: 324196f184ff8460eff2c84d2ab1be35
humanhash: west-johnny-vermont-india
File name:324196f184ff8460eff2c84d2ab1be35.js
Download: download sample
Signature PhantomStealer
Create hunting rule
File size:4'648'497 bytes
First seen:2026-02-28 10:26:29 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:umsVumt2qPNX1xDy5piBQKR86rfarTW/9W7pPokCMSFtiZJJwbaP:v
TLSH T1A026AF244731BFC69D84253A65FF292F2B60F8CED705B706FAA9EF1C93225082147B65
Magika javascript
Reporter abuse_ch
Tags:geo js PhantomStealer TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a2c30ac950ab5d9ab2716c
Tags:
ransomware shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated repaired
Link:
https://www.filescan.io/uploads/69a2c30797feb4afd6614356/reports/83d066ad-cdb2-4241-99a3-e98d30f31484/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de
Verdict:
Malicious
File Type:
js
Detections:
PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Disco.sb Trojan-PSW.Win32.Coins.sb Trojan-PSW.MSIL.Stealerium.sb Trojan-PSW.MSIL.Discord.sb Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan.PowerShell.Cobalt.sb Trojan.MSIL.DOTHETUK.sb Trojan.Win32.InjectorNetT.s
Link:
https://opentip.kaspersky.com/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de/results?tab=lookup
Result
Threat name:
Phantom stealer
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1876325
Signature
Allocates memory in foreign processes
Browser instances using unsafe startup parameters
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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)
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 Phantom stealer
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1876325 Sample: yEP22zfALR.js Startdate: 28/02/2026 Architecture: WINDOWS Score: 100 68 api.telegram.org 2->68 70 teams-mrc-ww-acdcatm.trafficmanager.net 2->70 72 13 other IPs or domains 2->72 98 Suricata IDS alerts for network traffic 2->98 100 Malicious sample detected (through community Yara rule) 2->100 102 Multi AV Scanner detection for submitted file 2->102 106 3 other signatures 2->106 12 wscript.exe 3 2->12         started        16 svchost.exe 2->16         started        signatures3 104 Uses the Telegram API (likely for C&C communication) 68->104 process4 file5 62 C:\Temp\ps_bP9qeZx2yFsb_1772276091597.ps1, ASCII 12->62 dropped 120 Suspicious powershell command line found 12->120 122 Wscript starts Powershell (via cmd or directly) 12->122 124 Bypasses PowerShell execution policy 12->124 126 3 other signatures 12->126 18 powershell.exe 16 12->18         started        signatures6 process7 signatures8 94 Writes to foreign memory regions 18->94 96 Injects a PE file into a foreign processes 18->96 21 aspnet_compiler.exe 15 13 18->21         started        25 conhost.exe 18->25         started        process9 dnsIp10 74 api.telegram.org 149.154.166.110, 443, 62884, 62886 TELEGRAMRU United Kingdom 21->74 76 icanhazip.com 104.16.185.241, 62885, 80 CLOUDFLARENETUS United States 21->76 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->108 110 Tries to steal Mail credentials (via file / registry access) 21->110 112 Tries to harvest and steal browser information (history, passwords, etc) 21->112 114 7 other signatures 21->114 27 firefox.exe 2 21->27         started        29 msedge.exe 21->29         started        33 chrome.exe 21->33         started        36 9 other processes 21->36 signatures11 process12 dnsIp13 38 firefox.exe 45 27->38         started        86 192.168.11.20, 137, 138, 1900 unknown unknown 29->86 88 part-0012.t-0009.t-msedge.net 13.107.213.40, 443, 49714 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->88 90 239.255.255.250, 1900 unknown Reserved 29->90 64 C:\Users\user\AppData\...\download_cache, COM 29->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\cache, COM 29->66 dropped 42 msedge.exe 29->42         started        44 msedge.exe 29->44         started        46 msedge.exe 29->46         started        50 6 other processes 29->50 92 Installs a global keyboard hook 33->92 48 chrome.exe 33->48         started        file14 signatures15 process16 dnsIp17 78 127.0.0.1 unknown unknown 38->78 116 Monitors registry run keys for changes 38->116 118 Installs a global keyboard hook 38->118 52 firefox.exe 2 38->52         started        54 cookie_exporter.exe 42->54         started        56 cookie_exporter.exe 44->56         started        80 dns.quad9.net 9.9.9.9, 443, 50650, 51077 QUAD9-AS-1US United States 46->80 82 13.107.246.45, 443, 59437 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 46->82 84 15 other IPs or domains 46->84 signatures18 process19 process20 58 WerFault.exe 54->58         started        60 WerFault.exe 56->60         started       
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de/
Verdict:
Malicious
Threat:
Family.PHANTOM
Link:
https://tip.neiki.dev/file/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2026-02-27 16:29:42 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qiobhht6gfvmjzth5wjbsv24q724pdgkooxnzgmbazqjko2qutpa._file
Result
Malware family:
phantom_stealer
Create hunting rule
Score:
  10/10
Tags:
family:phantom_stealer collection defense_evasion discovery execution persistence stealer
Link:
https://tria.ge/reports/260228-mg764sa15b/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
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
Enumerates physical storage devices
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
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detects PhantomStealer payload
PhantomStealer
Phantom_stealer family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8461650623:AAFb-xKvWkk0AhlBlZcaynxfxcVxlAjwd4I/sendMessage?chat_id=8069327382
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/821c139e7e316ac4e667ed9219575c87f5c78cca73aedc99810660953b50a4de

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM names
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxUserNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM usernames
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:Macos_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:Windows_Generic_Threat_f57e5e2a
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Xeno_89f9f060
Create hunting rule
Author:Elastic Security

File information

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

Comments