fantom

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General

Target

sv.exe
Size

63KB
Sample

240701-l9p1kayfpp
MD5

c095a62b525e62244cad230e696028cf
SHA1

67232c186d3efe248b540f1f2fe3382770b5074a
SHA256

a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
SHA512

5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
SSDEEP

1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM

Score

10^/10

Malware Config

Extracted

Family

xworm

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

Attributes

Install_directory
%ProgramData%
install_file
svhost.exe

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>Hyh87co93wnI/EJTkIZ5+tIa4fwX8idJHWh5APweYhu+DTL0HBy0wCNsbcbtAgs82qKQahpmH48gSSenftzZ7TP3ZpX9hMeoX2nEFySFx8nqgvj9Z3zzQrGwrUNibTy6HaCTnAclHSksCvQaY50XwJI1BcF/3jz13LvlgSni6oyqr4AtbAG5XmTQxmhryHZ7+jX+xuzGlBaOJFAfdkhYay5pgM7pP3dPOj0b6v5J1SxCvpOpEoERkeqgL0CRoypR2U4eOQf3mlIirvLC7FpdsL6CSCd2Qju7yN5P8irhurBIVD4wp/t6VmlymXkSBjysYaFCfyXkn1CgQ62RlTbCVQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Emails

[email protected]

Targets

- Target
  
  sv.exe
- Size
  
  63KB
- MD5
  
  c095a62b525e62244cad230e696028cf
- SHA1
  
  67232c186d3efe248b540f1f2fe3382770b5074a
- SHA256
  
  a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
- SHA512
  
  5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
- SSDEEP
  
  1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM
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 (5044) 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
- 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
- Sets desktop wallpaper using registry
  ransomware
behavioral1