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Kname Ransomware ([kname@protonmail.com]<Original Filename>.<Original Extension>.kname)

  • Distribution Method : Unknown
 
  • MD5 : ebfac4b9c4387f5dbb921bbb23986739
 
  • Major Detection Name : Trojan/Win32.Ransom.R270288 (AhnLab V3), Ransom:Win32/Genasom (Microsoft)
 
  • Encrypted File Pattern : [kname@protonmail.com]<Original Filename>.<Original Extension>.kname
 
  • Malicious File Creation Location :
     - C:\ProgramData\how_to_decrypt.txt
     - C:\ProgramData\svchostp.exe
     - C:\Users\%UserName%\AppData\Local\Temp\kname.exe
     - C:\Users\%UserName%\AppData\Local\Temp\svchostk.exe
     - C:\how_to_decrypt.txt
 
  • Payment Instruction File : how_to_decrypt.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Katyusha Ransomware series
     - Block processes execution (httpd.exe, mysqld.exe,  sqlagent.exe, sqlservr.exe, sqlwriter.exe, w3wp.exe etc.)
     - Disable system restore (vssadmin delete shadows /all /quiet)
     - Collecting account information using Mimikatz open-source utility (C:\ProgramData\m32.exe or m64.exe)
     - Network propagation function using Double Pulsar Backdoor & EternalBlue SMB vulnerability

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