Analysis
- max time kernel
150s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
04/08/2026, 08:39
General
- Target RFQ #2776-6543.js
- Size 965KB
- Sample260804-kkdessbl6w
- SHA256 4f3e236f61411c9e65dcabf84ad38b22b71f4b64abf09ccab9fbcf70d038309b
Malware Config
Extracted
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phantom_stealer
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v4.0.0
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https://api.telegram.org/bot7743138858:AAEwjN0tp0BRmZfwurkxLexEFhKbjPAhT9Y/sendMessage?chat_id=8127768013
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9S20CGW17G5ZQLHARBK2
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passwords
true
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telegram_enabled
true
Signatures
- Family: PhantomStealer
Phantom Stealer is a stealer written in C#, forked from the Stealerium family.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Uses browser remote debugging 2 TTPs 2 IoCs
Can be used to control the browser and steal sensitive information such as credentials and session cookies.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\RFQ #2776-6543.js"1⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -Command "Invoke-Expression $env:Dorado"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe"C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe" /b:chrome /b:edge /b:brave /e:all3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling4⤵
- Uses browser remote debugging
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome2644240750796 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome2644240750796\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome2644240750796 --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x204,0x208,0x20c,0x1e0,0x214,0x7ffca83fc728,0x7ffca83fc734,0x7ffca83fc7405⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling4⤵
- Uses browser remote debugging
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
ChromeData.json
DllExtractChromiumSecrets.dll
DumpBrowserSecrets.exe
EdgeData.json
memory/936-50-0x0000000075102000-0x0000000075103000-memory.dmp
memory/936-48-0x0000000006780000-0x00000000067F6000-memory.dmp
memory/936-46-0x0000000006C30000-0x000000000715C000-memory.dmp
memory/936-23-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/936-44-0x0000000006530000-0x00000000066F2000-memory.dmp
memory/936-52-0x00000000072F0000-0x0000000007382000-memory.dmp
memory/936-53-0x00000000016D0000-0x00000000016DA000-memory.dmp
memory/936-28-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/936-27-0x0000000005DA0000-0x000000000635A000-memory.dmp
memory/936-25-0x0000000075102000-0x0000000075103000-memory.dmp
memory/2960-10-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-12-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-17-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-16-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-15-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-22-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-19-0x0000026746270000-0x0000026746302000-memory.dmp
memory/2960-20-0x0000026745E30000-0x0000026745E3A000-memory.dmp
memory/2960-26-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-14-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-13-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-18-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-11-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-0-0x00007FFCA6BEF000-0x00007FFCA6BF0000-memory.dmp
memory/2960-9-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-8-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-7-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-6-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-5-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp
memory/2960-3-0x000002672DBC0000-0x000002672DBE2000-memory.dmp
memory/2960-4-0x00007FFCA6A60000-0x00007FFCA7404000-memory.dmp