General
- Target http://s.net.vn/mpfiles
- Sample260828-ejc5rataka
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://s.net.vn/mpfiles
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
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C:\Program Files\Common Files\microsoft shared\ink\ar-SA\DECRYPT_YOUR_FILES.HTML
- <html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>J/Py9YTiaNbGZac36eiNBXKxH2r7ZmMjinO4r3TyeHc+mr4pQes6TDOC0uYv/wCQxNIPVs/8QTj2h0qZ7d5Hkdd9GKlgZ5r0VeQ1r6SSVElQ98dz+nN8CzYr2YdngU/cL3BmgSpo6fe2FUqJ0dbGjLd57hHOmzYMWYjyA1a0X1tzVayuTzNT/KQyyoRsudFT+iS1Jj5589knj3PdFyHIFF7sefpG1zSmKYs6AH0KBlXPJecKLMK5JvEsYyuMdHWWUy5JPDhh8n6b8xOHmX6PBxvoZWar6+AVIRfJFmLiu1y0RRYZ+YegB+1OD8RFmMNaQMScjqgNgbzIwEjweoyPig==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>
Targets
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- Target http://s.net.vn/mpfiles
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Family: Fantom
Ransomware which hides encryption process behind fake Windows Update screen.
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Renames multiple (545) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Drops file in Drivers directory
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Possible privilege escalation attempt
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Drops file in System32 directory
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Probable phishing domain
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Accessibility Features
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Accessibility Features
1AppInit DLLs
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
5System Information Discovery
4System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1