Analysis Overview
SHA256
0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe
Threat Level: Known bad
The file 0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe was found to be: Known bad.
Malicious Activity Summary
Maze
Deletes shadow copies
Modifies extensions of user files
Drops startup file
Sets desktop wallpaper using registry
Drops file in Windows directory
Drops file in Program Files directory
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-16 23:11
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:11
Reported
2022-02-16 23:21
Platform
win7-en-20211208
Max time kernel
160s
Max time network
139s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\UpdateGet.tiff => C:\Users\Admin\Pictures\UpdateGet.tiff.2Dnt32X | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ExpandGet.png => C:\Users\Admin\Pictures\ExpandGet.png.TEUIy | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\MountGrant.raw => C:\Users\Admin\Pictures\MountGrant.raw.xzSQAs | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ShowGrant.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\StopSet.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UpdateGet.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\PushUnregister.raw => C:\Users\Admin\Pictures\PushUnregister.raw.xzSQAs | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ShowGrant.tiff => C:\Users\Admin\Pictures\ShowGrant.tiff.wVlH53 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\StopSet.tiff => C:\Users\Admin\Pictures\StopSet.tiff.wVlH53 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UnblockExit.tif => C:\Users\Admin\Pictures\UnblockExit.tif.wVlH53 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\ConvertEdit.jfif | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\NewBlock.xml | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CheckpointSubmit.docx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\EditSwitch.ttf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\StartDisconnect.7z | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\WatchDeny.cmd | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\InstallShow.htm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RemoveInitialize.ppt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RequestPublish.gif | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RevokeDebug.rtf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnlockBlock.easmx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnlockClear.wps | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files (x86)\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ClosePush.M2TS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\FormatExpand.xps | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\InvokeUpdate.dotx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResetRevoke.asf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResolveRequest.ods | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SubmitTest.mpg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\PopOut.vssm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RestoreWait.cab | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompareStep.ps1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompleteCheckpoint.pptm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertToSync.pptm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DisconnectRemove.xsl | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\StepRestore.odt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\AddInitialize.mpeg3 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ImportGet.ps1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RedoSplit.TTS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResetDebug.ex_ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResetUninstall.ttc | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CopyConfirm.mov | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\PingPush.svgz | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnprotectExit.reg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertToNew.TS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\GetEnable.mpp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\GroupResume.js | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\MountNew.mpg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc8ed197b4a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe.dll
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\m\cjiue\..\..\Windows\wu\ll\g\..\..\..\system32\p\gy\aixp\..\..\..\wbem\x\c\x\..\..\..\wmic.exe" shadowcopy delete
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
Network
Files
memory/1720-54-0x000007FEFB771000-0x000007FEFB773000-memory.dmp
memory/1512-55-0x0000000075601000-0x0000000075603000-memory.dmp
memory/1512-56-0x0000000000210000-0x000000000026E000-memory.dmp
memory/1512-60-0x0000000000140000-0x000000000019D000-memory.dmp
memory/1512-61-0x0000000000211000-0x000000000024A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:11
Reported
2022-02-16 23:21
Platform
win10v2004-en-20220113
Max time kernel
170s
Max time network
190s
Command Line
Signatures
Maze
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c2b0cc8492fd55d.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6c2b0cc8492fd55d.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DenyStop.xml | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\OutRestore.xht | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RemoveShow.reg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RequestStart.html | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\TraceExpand.wav | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnlockComplete.dotx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\6c2b0cc8492fd55d.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompleteExport.ico | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DebugResolve.xml | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\NewSet.nfo | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SearchSet.wps | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SelectRegister.vbs | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SuspendCompress.midi | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File created | C:\Program Files (x86)\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\6c2b0cc8492fd55d.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\InstallOut.mpeg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\MoveSelect.dib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SearchEdit.snd | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UndoShow.jpe | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\WatchUnpublish.scf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\BlockExit.m3u | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DismountTrace.vb | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ProtectGet.mid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResumeUnregister.eprtx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\StopUpdate.AAC | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\SOFTWARE\Microsoft\Speech_OneCore\Isolated\ohDO1Sgy3MzgdEgEb4WYfDS4ei | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\SOFTWARE\Microsoft\Speech_OneCore\Isolated\ohDO1Sgy3MzgdEgEb4WYfDS4ei = "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Speech_OneCore\\Recognizers\\Tokens\\MS-1033-110-WINMO-DNN" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3888 wrote to memory of 5068 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3888 wrote to memory of 5068 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3888 wrote to memory of 5068 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0f4bd47212a084ed6f4c50adf86dae36a025ffc4dc90a827799f4c49d53de0fe.dll
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
Network
| Country | Destination | Domain | Proto |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| AU | 104.46.162.226:443 | tcp |
Files
memory/5068-130-0x0000000001270000-0x00000000012CE000-memory.dmp
memory/5068-134-0x0000000001200000-0x000000000125D000-memory.dmp
memory/5068-135-0x0000000001271000-0x00000000012AA000-memory.dmp
memory/1808-136-0x000002458DD20000-0x000002458DD30000-memory.dmp
memory/1808-137-0x000002458DD80000-0x000002458DD90000-memory.dmp
memory/1808-138-0x0000024590440000-0x0000024590444000-memory.dmp