fantom

General

Target

XClient.exe
Size

40KB
Sample

240701-k9s7jswhmq
MD5

a2abffd7525046355e99e8673c3701fe
SHA1

6e1aaff66b5aac7a1c3df969b36da6141a95a4f9
SHA256

ac457a57600ba7fd011d94e6574b935a9589dd60b63d6ee6b5db67342ce5710e
SHA512

96b3b3750d9abaa627780eccb74dd870bb84ad1fb928233844054b2d24306f6f937f0762619d0b0209a8744aabbe278c773539fb8791987606427d8bfa767d22
SSDEEP

768:olc+DXf6pUAbfsW09Uf929NiTnFPw9in6rOphHuUF8M:oW+upUADfnuNYFY9in6rOpxf8M

Score

10^/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

amount-acceptance.gl.at.ply.gg:7420

Mutex

k2N8rf6LqCqdtF6c

Attributes

Install_directory
%ProgramData%
install_file
svhost.exe

aes.plain

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\DECRYPT_YOUR_FILES.HTML

Ransom Note

<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>E+0CqNtpxIcYW8NKNGHdcl5bZxprw1HI7cStEZ+L3R38aVFA+hTO8dEJuv6WTxyH7cW645/UDBTJBDMnYsVj0c9La8JmWjVptj30kBNnv6EAcEjNkW0rp9DZwHPdAz78ERzsM6bK5q+pVI3tmW/3xt9+oFJ0gotzwCWVDXkcj+Ozk18SJT/NBUoVprqZBZF272WxIP7BXOZnJsjH21tmQnIX9dOPMh8U9P+8Ymzdj2QL9odR9kKvLAllCPcRXxR7y3aT7dnl68QVKFtZSSf37+RwvzIfHZ4OY8+PMNvtKjUZLE0dOngC4NysfF8tyTBNH3sYa6b2mUWPoNqRI1LneA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Emails

[email protected]

Extracted

Path

C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note

<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>maQ/c7Vtm7h58GoNsrF9eCripf7hExcFOZI3F27YipYDBvQcRYl2FjJNOqNuOrwUXH3U6XReYAAulqGWYpbYSG2grH+WW5T+ecMWSlD9mf5ndoTfD4VOgqImnKEHFx+ewVnz60/1spknOS+vtgSeUw5dGup1WyMSEVYrLWrgQA0nrvD3Ld3UCe6O/ePkbtKugqcPaOtNasjkEIJgoDg14/QBUJibdphD1spxtOLWWP+az3Aluf9xWxoZJKRK7FxXsi+a/i/da/z1BlFrisKKNQfFlHixY3s7cKuvjhyrShp1bh24JrEE04gLBqRYaJ/1WQIGIYol/vHcZ7MS8d6bbg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Emails

[email protected]

Targets

- Target
  
  XClient.exe
- Size
  
  40KB
- MD5
  
  a2abffd7525046355e99e8673c3701fe
- SHA1
  
  6e1aaff66b5aac7a1c3df969b36da6141a95a4f9
- SHA256
  
  ac457a57600ba7fd011d94e6574b935a9589dd60b63d6ee6b5db67342ce5710e
- SHA512
  
  96b3b3750d9abaa627780eccb74dd870bb84ad1fb928233844054b2d24306f6f937f0762619d0b0209a8744aabbe278c773539fb8791987606427d8bfa767d22
- SSDEEP
  
  768:olc+DXf6pUAbfsW09Uf929NiTnFPw9in6rOphHuUF8M:oW+upUADfnuNYFY9in6rOpxf8M
Score

10^/10

fantom xworm evasion execution persistence ransomware rat spyware stealer trojan
- Detect Xworm Payload
- Fantom
  Ransomware which hides encryption process behind fake Windows Update screen.
  ransomware fantom
- Modifies WinLogon for persistence
  persistence
- Xworm
  Xworm is a remote access trojan written in C#.
  trojan rat xworm
- Renames multiple (3043) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Disables Task Manager via registry modification
  evasion
- Drops file in Drivers directory
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Blocklisted process makes network request
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1 behavioral2