Analysis Overview
SHA256
cf1f6eb66912ff5ad30f8940accdb1df9bb2f8f8cdf3f8d45a4febd48c5641b9
Threat Level: Known bad
The file Nursultan.exe was found to be: Known bad.
Malicious Activity Summary
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
DCRat payload
Dcrat family
DCRat payload
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Drops file in System32 directory
Drops file in Windows directory
Launches sc.exe
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Runs net.exe
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 03:38
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 03:38
Reported
2024-06-03 03:41
Platform
win7-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
DcRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Default User\\spoolsv.exe\", \"C:\\Users\\Public\\Recorded TV\\Sample Media\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Users\\Default User\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\System.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\", \"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\", \"C:\\Windows\\addins\\csrss.exe\", \"C:\\Users\\Default User\\winlogon.exe\", \"C:\\Users\\Admin\\Searches\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Program Files\\7-Zip\\smss.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe | N/A |
| N/A | N/A | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\ProgramData\Synaptics\Synaptics.exe | N/A |
| N/A | N/A | C:\MSOCache\._cache_Synaptics.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\ProgramData\Synaptics\Synaptics.exe | N/A |
| N/A | N/A | C:\ProgramData\Synaptics\Synaptics.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\7-Zip\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Default User\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Default User\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Windows\\L2Schemas\\System.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Program Files\\VideoLAN\\VLC\\locale\\hy\\LC_MESSAGES\\audiodg.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\????? = "C:\\ProgramData\\Synaptics\\Synaptics.exe" | C:\MSOCache\PetyaFix_2_0_766_127.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\7-Zip\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\v3.0\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Admin\\Searches\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Admin\\Searches\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\addins\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Windows\\L2Schemas\\System.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Users\\Default User\\winlogon.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Users\\Public\\Recorded TV\\Sample Media\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\Common7\\Packages\\Debugger\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Users\\Public\\Recorded TV\\Sample Media\\Idle.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files\\Microsoft Games\\More Games\\es-ES\\sppsvc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\addins\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Users\\Default User\\winlogon.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Program Files (x86)\\Windows Media Player\\Network Sharing\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\QQPCMgrHFX64.sys | C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\smss.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\69ddcba757bf72 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Microsoft Games\More Games\es-ES\sppsvc.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Microsoft Games\More Games\es-ES\0a1fd5f707cd16 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\f3b6ecef712a24 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\audiodg.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\42af1c969fbb7b | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\7-Zip\smss.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\7-Zip\69ddcba757bf72 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Network Sharing\wininit.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Network Sharing\56085415360792 | C:\ProviderInto\blocksurrogate.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\addins\886983d96e3d3e | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Windows\L2Schemas\System.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File opened for modification | C:\Windows\L2Schemas\System.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Windows\L2Schemas\27d1bcfc3c54e0 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Windows\addins\csrss.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\ProviderInto\bg4vLJUaDkf5tC.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\ProviderInto\NmoUHUSCIv.bat" "
C:\ProviderInto\blocksurrogate.exe
"C:\ProviderInto\blocksurrogate.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Windows\L2Schemas\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\L2Schemas\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Windows\L2Schemas\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Microsoft Games\More Games\es-ES\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\More Games\es-ES\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Games\More Games\es-ES\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Windows\addins\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\addins\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Windows\addins\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Default User\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Searches\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Admin\Searches\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\Searches\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files\7-Zip\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\7-Zip\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Program Files\7-Zip\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Media Player\Network Sharing\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Network Sharing\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\Network Sharing\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Default User\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Users\Public\Recorded TV\Sample Media\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Public\Recorded TV\Sample Media\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Recorded TV\Sample Media\Idle.exe'" /rl HIGHEST /f
C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe
"C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\spoolsv.exe"
C:\MSOCache\PetyaFix_2_0_766_127.exe
"C:\MSOCache\PetyaFix_2_0_766_127.exe"
C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe
"C:\MSOCache\._cache_PetyaFix_2_0_766_127.exe"
C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
C:\MSOCache\._cache_Synaptics.exe
"C:\MSOCache\._cache_Synaptics.exe" InjUpdate
C:\Windows\SysWOW64\cmd.exe
cmd /c sc config BITS start= auto | net start BITS
C:\Windows\SysWOW64\sc.exe
sc config BITS start= auto
C:\Windows\SysWOW64\net.exe
net start BITS
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start BITS
C:\Windows\SysWOW64\cmd.exe
cmd /c sc config msiserver start= auto | net start msiserver
C:\Windows\SysWOW64\sc.exe
sc config msiserver start= auto
C:\Windows\SysWOW64\net.exe
net start msiserver
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start msiserver
C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
C:\Windows\SysWOW64\cmd.exe
cmd /c sc config wuauserv start= auto | net start wuauserv
C:\Windows\SysWOW64\sc.exe
sc config wuauserv start= auto
C:\Windows\SysWOW64\net.exe
net start wuauserv
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0990228.xsph.ru | udp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| US | 8.8.8.8:53 | master.etl.desktop.qq.com | udp |
| US | 8.8.8.8:53 | xred.mooo.com | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | freedns.afraid.org | udp |
| US | 69.42.215.252:80 | freedns.afraid.org | tcp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
Files
C:\ProviderInto\bg4vLJUaDkf5tC.vbe
| MD5 | 7f1bd72e83931ae16e0939d3dbc24d5b |
| SHA1 | 8e4ebd32d84a2e9e415c86b82332cf467e8ff1ab |
| SHA256 | 3478b04d7b9a3accf9d74e14f39493a5802938dbc774b2946a4c810ad3ee94af |
| SHA512 | d22cad0ce50bfd7fd81c9b067d8388765f51d3fbe406e9008cce04fd0863e591781f26b6259a4b5c528ece7696f7ce3997720961582143ec5627306cce48c57c |
C:\ProviderInto\NmoUHUSCIv.bat
| MD5 | f6f5d0c8f6feac0cb30c89fd1657cb64 |
| SHA1 | be50cec1500209cf68fe55f56b9dcc340546f454 |
| SHA256 | ea164f49511be36687b6c8aba7115701c6dd583f58589d948a72ea12de1c672e |
| SHA512 | 69a7947e16c893818a04887bf8b2e4a8cd22ad91ec9bfaa603c4eec99204c762d6d46493b0298520419f9818e2459ae372a8876b18f470b9138a1fb80f6ad258 |
\ProviderInto\blocksurrogate.exe
| MD5 | 7ca99a0ca6db34fcfa842e5f6c203c94 |
| SHA1 | cf1a8e002cdd663e810281ff2b9093ddfa9527d0 |
| SHA256 | 9de7ec4d1da007ad17d08ae860b474fec5ab46dd834584ba9fb36ff8a00b52f0 |
| SHA512 | 17ae7000770c2f2e7918fad9e202c033bcf3c92490ca04f955142abe164b0583ac22a3659f4dc120643df8c51a9d11b832071dfe66fe2032d6d778d3d4b53a33 |
memory/2708-13-0x0000000000B50000-0x0000000000CAC000-memory.dmp
memory/2708-14-0x0000000000470000-0x000000000048C000-memory.dmp
memory/2708-15-0x0000000000620000-0x0000000000636000-memory.dmp
memory/2708-16-0x0000000000140000-0x0000000000152000-memory.dmp
memory/2708-17-0x0000000000350000-0x000000000035E000-memory.dmp
memory/2708-18-0x00000000003E0000-0x00000000003EC000-memory.dmp
memory/2104-55-0x00000000002B0000-0x000000000040C000-memory.dmp
memory/2104-56-0x00000000005C0000-0x00000000005D2000-memory.dmp
C:\MSOCache\PetyaFix_2_0_766_127.exe
| MD5 | 289a4045309926a855db023765f23a65 |
| SHA1 | 95605b27d021253985ad6ba2d9abe92cd4961843 |
| SHA256 | 239889e3d7a86e6f127438baa5b9583bc0d0fd87d636cbecf7e7e3674bd50ab2 |
| SHA512 | ffd6779bf2694adf65a2b4c1dbacf1e2d892442431ee775185522ada3c8dd7f1e8aa77402733baea84261281f4be0cea5c4e69cfb18a1b8daa70c64e47c0a3ac |
\MSOCache\._cache_PetyaFix_2_0_766_127.exe
| MD5 | 0467201ff1aae37c80eb2bf52b541b6b |
| SHA1 | 57f5344de3308df34ab8cb7a889ff05a64cc073d |
| SHA256 | 8d1910480aff8d306b3e568b72bd0951bffec4cc86f37a9ab3a6ec1291b4d4fa |
| SHA512 | 85b54dd6ce4b6bd1043c897d0498c5ad0cef5a7b915a578d383bed393bcaa296dd5d98c5ecaaae00440f09ce5d62261ee06824cfe420c05650f905359d8be1e4 |
\MSOCache\qmdr\dr.dll
| MD5 | 4f53e6f3881ff3e1ee1cc0dc0561410f |
| SHA1 | 31388b4d64164eaa5b79ee30bf22840f6b5955a2 |
| SHA256 | 967bfd76354486919fd252a8bcb3d787af495a0a58bfb8a216b3776cdc2dfc43 |
| SHA512 | a652d85e36143e45bafc105f7f385b1dfa25cc83d7bb1c2b167999ec95f4dd27fc43ea91e14abc26f78395a202159807dbfd85394b30061b64fea285aab64921 |
memory/2716-95-0x0000000000400000-0x000000000075E000-memory.dmp
memory/2952-103-0x0000000000400000-0x000000000075E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 03:38
Reported
2024-06-03 03:41
Platform
win10v2004-20240508-en
Max time kernel
131s
Max time network
155s
Command Line
Signatures
DcRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\ProviderInto\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\ProviderInto\\WaaSMedicAgent.exe\", \"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\conhost.exe\", \"C:\\Recovery\\WindowsRE\\upfc.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\ProviderInto\\WaaSMedicAgent.exe\", \"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\ProviderInto\\WaaSMedicAgent.exe\", \"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\conhost.exe\", \"C:\\Recovery\\WindowsRE\\upfc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\", \"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\", \"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\", \"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\", \"C:\\Users\\Default\\Favorites\\TextInputHost.exe\", \"C:\\ProviderInto\\SearchApp.exe\", \"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\", \"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\ProviderInto\\WaaSMedicAgent.exe\", \"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\conhost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Default\\Documents\\lsass.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\ProviderInto\blocksurrogate.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\ProviderInto\blocksurrogate.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Nursultan.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| N/A | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\StartMenuExperienceHost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\upfc = "\"C:\\Recovery\\WindowsRE\\upfc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\conhost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Users\\Default\\Favorites\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Users\\Default\\Favorites\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\conhost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\ProviderInto\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\Users\\Default\\Downloads\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\ProviderInto\\SearchApp.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files (x86)\\Windows Defender\\es-ES\\smss.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\ProviderInto\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WaaSMedicAgent = "\"C:\\Program Files\\Mozilla Firefox\\uninstall\\WaaSMedicAgent.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Resource\\wininit.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\upfc = "\"C:\\Recovery\\WindowsRE\\upfc.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Users\\Default\\Documents\\lsass.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cmd = "\"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cmd = "\"C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\cmd.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\Temp\\Crashpad\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Windows\\Performance\\WinSAT\\DataStore\\TextInputHost.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\ProviderInto\\SearchApp.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Microsoft Office\\PackageManifests\\spoolsv.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Users\\Default\\Documents\\lsass.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Users\\Default\\Cookies\\RuntimeBroker.exe\"" | C:\ProviderInto\blocksurrogate.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\56085415360792 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\es-ES\smss.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\cmd.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Mozilla Firefox\uninstall\WaaSMedicAgent.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Mozilla Firefox\uninstall\c82b8037eab33d | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\es-ES\69ddcba757bf72 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\ebf1f9fa8afd6d | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\wininit.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\wininit.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Microsoft Office\PackageManifests\f3b6ecef712a24 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\skins\fonts\conhost.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\skins\fonts\088424020bedd6 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\ModifiableWindowsApps\TrustedInstaller.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Program Files\Microsoft Office\PackageManifests\spoolsv.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Performance\WinSAT\DataStore\TextInputHost.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Windows\Performance\WinSAT\DataStore\22eafd247d37c3 | C:\ProviderInto\blocksurrogate.exe | N/A |
| File created | C:\Windows\OCR\en-us\System.exe | C:\ProviderInto\blocksurrogate.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\Nursultan.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Recovery\WindowsRE\StartMenuExperienceHost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProviderInto\blocksurrogate.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Recovery\WindowsRE\StartMenuExperienceHost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Nursultan.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\ProviderInto\bg4vLJUaDkf5tC.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\ProviderInto\NmoUHUSCIv.bat" "
C:\ProviderInto\blocksurrogate.exe
"C:\ProviderInto\blocksurrogate.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Documents\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Default\Documents\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Documents\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\cmd.exe'" /rl HIGHEST /f
C:\ProviderInto\blocksurrogate.exe
"C:\ProviderInto\blocksurrogate.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Windows\Temp\Crashpad\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Temp\Crashpad\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Windows\Temp\Crashpad\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Cookies\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\Cookies\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Default\Cookies\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Downloads\WaaSMedicAgent.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Users\Default\Downloads\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Downloads\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Windows\Performance\WinSAT\DataStore\TextInputHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Windows\Performance\WinSAT\DataStore\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 6 /tr "'C:\Windows\Performance\WinSAT\DataStore\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Favorites\TextInputHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Users\Default\Favorites\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Favorites\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\ProviderInto\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\ProviderInto\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 14 /tr "'C:\ProviderInto\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\uninstall\WaaSMedicAgent.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\uninstall\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 13 /tr "'C:\Program Files\Mozilla Firefox\uninstall\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\es-ES\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 11 /tr "'C:\ProviderInto\WaaSMedicAgent.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\ProviderInto\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 8 /tr "'C:\ProviderInto\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\PackageManifests\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\PackageManifests\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office\PackageManifests\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 6 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
C:\Recovery\WindowsRE\StartMenuExperienceHost.exe
"C:\Recovery\WindowsRE\StartMenuExperienceHost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0990228.xsph.ru | udp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
| US | 8.8.8.8:53 | 93.192.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| RU | 141.8.192.93:80 | a0990228.xsph.ru | tcp |
Files
C:\ProviderInto\bg4vLJUaDkf5tC.vbe
| MD5 | 7f1bd72e83931ae16e0939d3dbc24d5b |
| SHA1 | 8e4ebd32d84a2e9e415c86b82332cf467e8ff1ab |
| SHA256 | 3478b04d7b9a3accf9d74e14f39493a5802938dbc774b2946a4c810ad3ee94af |
| SHA512 | d22cad0ce50bfd7fd81c9b067d8388765f51d3fbe406e9008cce04fd0863e591781f26b6259a4b5c528ece7696f7ce3997720961582143ec5627306cce48c57c |
C:\ProviderInto\NmoUHUSCIv.bat
| MD5 | f6f5d0c8f6feac0cb30c89fd1657cb64 |
| SHA1 | be50cec1500209cf68fe55f56b9dcc340546f454 |
| SHA256 | ea164f49511be36687b6c8aba7115701c6dd583f58589d948a72ea12de1c672e |
| SHA512 | 69a7947e16c893818a04887bf8b2e4a8cd22ad91ec9bfaa603c4eec99204c762d6d46493b0298520419f9818e2459ae372a8876b18f470b9138a1fb80f6ad258 |
C:\ProviderInto\blocksurrogate.exe
| MD5 | 7ca99a0ca6db34fcfa842e5f6c203c94 |
| SHA1 | cf1a8e002cdd663e810281ff2b9093ddfa9527d0 |
| SHA256 | 9de7ec4d1da007ad17d08ae860b474fec5ab46dd834584ba9fb36ff8a00b52f0 |
| SHA512 | 17ae7000770c2f2e7918fad9e202c033bcf3c92490ca04f955142abe164b0583ac22a3659f4dc120643df8c51a9d11b832071dfe66fe2032d6d778d3d4b53a33 |
memory/3212-12-0x00007FFAE4D13000-0x00007FFAE4D15000-memory.dmp
memory/3212-13-0x0000000000150000-0x00000000002AC000-memory.dmp
memory/3212-14-0x0000000002390000-0x00000000023AC000-memory.dmp
memory/3212-15-0x000000001B490000-0x000000001B4E0000-memory.dmp
memory/3212-16-0x0000000002520000-0x0000000002536000-memory.dmp
memory/3212-17-0x0000000002370000-0x0000000002382000-memory.dmp
memory/3212-18-0x000000001BB40000-0x000000001C068000-memory.dmp
memory/3212-19-0x00000000023B0000-0x00000000023BE000-memory.dmp
memory/3212-20-0x000000001B440000-0x000000001B44C000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\blocksurrogate.exe.log
| MD5 | bbb951a34b516b66451218a3ec3b0ae1 |
| SHA1 | 7393835a2476ae655916e0a9687eeaba3ee876e9 |
| SHA256 | eb70c64ae99d14ac2588b7a84854fbf3c420532d7fe4dfd49c7b5a70c869943a |
| SHA512 | 63bcbfcf8e7421c66855c487c31b2991a989bdea0c1edd4c40066b52fa3eb3d9d37db1cd21b8eb4f33dd5870cc20532c8f485eab9c0b4f6b0793a35c077f2d6f |
memory/4360-28-0x0000000002A40000-0x0000000002A52000-memory.dmp