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Satan v4.2 Ransomware ([sicck@protonmail.com]<Original Filename>.<Original Extension>.sicck)

  • Distribution Method : Unknown
 
  • MD5 : ddf1025f2cc06aeb6ccc4d161b281f72
 
  • Major Detection Name : Downloader/Win32.Agent.C67959 (AhnLab V3), Trojan:Win32/Tiggre!rfn (Microsoft)
 
  • Encrypted File Pattern : [sicck@protonmail.com]<Original Filename>.<Original Extension>.sicck
 
  • Malicious File Creation Location :
     - C:\Program Files\Common Files\System\spoolsv.xml
     - C:\Program Files\Common Files\System\srv.exe
     - C:\Program Files\Common Files\System\srv_1.exe
     - C:\ProgramData\a
     - C:\ProgramData\blue.exe
     - C:\ProgramData\blue.fb
     - C:\ProgramData\blue.xml
     - C:\ProgramData\cnli-1.dll
     - C:\ProgramData\coli-0.dll
     - C:\ProgramData\crli-0.dll
     - C:\ProgramData\dmgd-4.dll
     - C:\ProgramData\down64.dll
     - C:\ProgramData\exma-1.dll
     - C:\ProgramData\libeay32.dll
     - C:\ProgramData\libxml2.dll
     - C:\ProgramData\mmkt.exe
     - C:\ProgramData\posh-0.dll
     - C:\ProgramData\ssleay32.dll
     - C:\ProgramData\star.exe
     - C:\ProgramData\star.fb
     - C:\ProgramData\star.xml
     - C:\ProgramData\tibe-2.dll
     - C:\ProgramData\trch-1.dll
     - C:\ProgramData\trfo-2.dll
     - C:\ProgramData\tucl-1.dll
     - C:\ProgramData\ucl.dll
     - C:\ProgramData\xdvl-0.dll
     - C:\ProgramData\zlib1.dll
     - C:\conn.exe
     - C:\Sicck.exe
 
  • Payment Instruction File : How__to__decrypt__files.txt
 
  • Major Characteristics :
     - Offline Encryption
     - DBGer / Lucky Ransomware series
     - The Chinese, English and Korean users are targeted.
     - Automatically run "C:\Program Files\Common Files\System\srv.exe" ransomware by adding "Logs Service"
     - Block processes execution (mysqld-nt.exe, mysqld.exe, oracle.exe, sqlagent.exe, sqlservr.exe, sqlwriter.exe etc.)
     - Stop multi services (MSSQLFDLauncher, MSSQLSERVER, MYSQL, SQLSERVERAGENT, SQLWriter etc.)
     - Network propagation function using EternalBlue SMB vulnerability (C:\ProgramData\blue.exe + C:\ProgramData\down64.dll)
     - SMB protocol propagation function using DoublePulsar backdoor (C:\ProgramData\star.exe + C:\ProgramData\down64.dll)
     - Collecting account information using Mimikatz open-source utility (C:\ProgramData\mmkt.exe)

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