- MD5 : 48ea3794091a9f17e12f5c1a90e1f7d7
- 주요 탐지명 : MSIL/Thanos.A!tr.ransom (Fortinet), Ransom.Thanatos (Malwarebytes)
- 악성 파일 생성 위치 :
- C:\Users\%UserName%\AppData\Local\Temp\RESTORE_FILES_INFO.txt
- C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mystartup.lnk
- C:\Users\%UserName%\Desktop\RESTORE_FILES_INFO.txt
- 결제 안내 파일 : RESTORE_FILES_INFO.txt
- 주요 특징 :
- 오프라인 암호화(Offline Encryption)
- Prometheus 랜섬웨어 계열
- Windows 방화벽 규칙 허용("netsh" advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes, "netsh" advfirewall firewall set rule group=\"Network Discovery\" new enable=Yes)
- Microsoft Defender 백신 무력화("powershell" Get-MpPreference -verbose, Set-MpPreference -DisableArchiveScanning $true, Set-MpPreference -DisableBlockAtFirstSeen $true, Set-MpPreference -DisableIOAVProtection $true, Set-MpPreference -DisablePrivacyMode $true, Set-MpPreference -DisableScriptScanning $true 등)
- Raccine 랜섬웨어 보호 프로그램 무력화("taskkill" /F /IM RaccineSettings.exe, "reg" delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Raccine Tray" /F, "reg" delete HKCU\Software\Raccine /F, "schtasks" /DELETE /TN "Raccine Rules Updater" /F)
- 특정 프로세스(agntsvc.exe, CNTAoSMgr.exe, firefoxconfig.exe, mspub.exe, sqbcoreservice.exe, thebat.exe 등) 실행 차단
- 특정 서비스(avpsus, BMR Boot Service, DefWatch, McAfeeDLPAgentService, QBFCService, ReportServer$SQL_2008 등) 중지
- 특정 서비스("sc.exe" config Dnscache start= auto, "sc.exe" config FDResPub start= auto, "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled, "sc.exe" config SQLWriter start= disabled, "sc.exe" config SstpSvc start= disabled, "sc.exe" config SSDPSRV start= auto, "sc.exe" config upnphost start= auto) 설정 변경
- 시스템 복원 무력화("powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); })
- "SMB 1.0/CIFS 파일 공유 지원" Windows 기능 활성화("powershell.exe" & Enable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol)
- 휴지통 비우기("cmd.exe" /c rd /s /q <드라이브 문자>:\\$Recycle.bin)
목록