Analysis Overview
SHA256
3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58
Threat Level: Known bad
The file 3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58 was found to be: Known bad.
Malicious Activity Summary
Maze
Suspicious use of NtCreateProcessExOtherParentProcess
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
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-16 23:05
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:05
Reported
2022-02-16 23:14
Platform
win7-en-20211208
Max time kernel
170s
Max time network
132s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\RequestCopy.png => C:\Users\Admin\Pictures\RequestCopy.png.IUFYvpd | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SyncRead.raw => C:\Users\Admin\Pictures\SyncRead.raw.gTxXJck | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ExpandUnpublish.tif => C:\Users\Admin\Pictures\ExpandUnpublish.tif.Ydx2IR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\NewConnect.png => C:\Users\Admin\Pictures\NewConnect.png.crQjeEA | 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\6d570cc8f9a90bc0.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\CompletePush.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\JoinImport.wav | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RemoveClear.vsd | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SaveRepair.au3 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\AssertBlock.M2T | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\NewResume.wm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SubmitTest.php | 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 (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc8f9a90bc0.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UninstallRename.rm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\6d570cc8f9a90bc0.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc8f9a90bc0.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertFromMove.001 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\MountExpand.vstx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RegisterExpand.001 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RevokeConvertFrom.dib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SendWatch.odt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SkipPop.wpl | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\StepSelect.cfg | 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\DenyRevoke.7z | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\HideSwitch.mp3 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ReceiveHide.svg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RepairReset.gif | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SaveSend.xlt | 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\MountUninstall.ex_ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RevokeInvoke.dib | 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)\DECRYPT-FILES.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DenyFind.jtx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\FormatSearch.pptx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResolveInitialize.vssm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RestartOpen.vsdm | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UsePublish.search-ms | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\6d570cc8f9a90bc0.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertFromRestart.wpl | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CopySearch.mov | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ExportSkip.cab | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\DisconnectPop.mpeg3 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SetExpand.odt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc8f9a90bc0.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\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.dll
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\k\csoa\..\..\Windows\tl\vbeld\rdcso\..\..\..\system32\v\..\wbem\xrk\wsr\..\..\wmic.exe" shadowcopy delete
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
Network
Files
memory/804-54-0x000007FEFBAD1000-0x000007FEFBAD3000-memory.dmp
memory/1860-55-0x0000000075341000-0x0000000075343000-memory.dmp
memory/1860-56-0x0000000000A00000-0x0000000000A5D000-memory.dmp
memory/1860-60-0x00000000001B0000-0x000000000020D000-memory.dmp
memory/1860-61-0x0000000000A01000-0x0000000000A39000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:05
Reported
2022-02-16 23:14
Platform
win10v2004-en-20220113
Max time kernel
162s
Max time network
174s
Command Line
Signatures
Maze
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1540 created 2156 | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe |
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\EnterCompress.crw => C:\Users\Admin\Pictures\EnterCompress.crw.s1nGYZ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SearchGroup.crw => C:\Users\Admin\Pictures\SearchGroup.crw.r0kG | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UseFind.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\AssertConvert.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\AssertConvert.tiff => C:\Users\Admin\Pictures\AssertConvert.tiff.9bKmsO | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SaveTest.raw => C:\Users\Admin\Pictures\SaveTest.raw.r0kG | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UseFind.tiff => C:\Users\Admin\Pictures\UseFind.tiff.r0kG | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CloseRequest.raw => C:\Users\Admin\Pictures\CloseRequest.raw.9bKmsO | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\JoinRename.raw => C:\Users\Admin\Pictures\JoinRename.raw.wJTITg0 | 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\6c2b0cc8d9154c1a.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\6c2b0cc8d9154c1a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\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\SubmitGroup.M2TS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnprotectRevoke.vbs | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files (x86)\6c2b0cc8d9154c1a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\AssertLock.txt | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompressClear.jtx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\HideCompare.dib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RegisterUndo.css | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertMount.scf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\FindRename.dxf | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\LockRemove.tiff | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\PingUnprotect.vb | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\6c2b0cc8d9154c1a.tmp | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\BackupUpdate.rar | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompleteCopy.vst | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertGet.vbe | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnpublishSet.html | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\RevokeSet.docx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\SetUndo.au | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ShowSwitch.jpg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\StopInstall.fon | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ClearTest.ram | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\OpenPublish.ini | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ResumeCopy.cfg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ShowPop.xml | 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\AssertConfirm.7z | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ExpandSearch.mpa | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\UnblockPop.wmf | 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\AddAssert.i64 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\CompleteUnpublish.TTS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConnectSelect.m3u | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ShowStart.gif | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConfirmResize.vdw | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\GroupSplit.mpeg2 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConvertFromClose.png | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\GroupJoin.MOD | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\MoveMerge.mp2v | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\OutUpdate.xsl | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ConfirmReceive.vsdx | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\PingHide.gif | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| File opened for modification | C:\Program Files\ShowConfirm.reg | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| 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 |
| 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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe |
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 data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\System32\svchost.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\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\Internet Settings\Cache\Content\CachePrefix | 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\Internet Explorer\EdpDomStorage\Total | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "140" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "6539" | 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\Internet Explorer\DOMStorage\Total | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "2688" | 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\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\Internet Explorer\DomStorageState | 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\Internet Explorer\DOMStorage | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "173" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "2254" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "2254" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "6539" | 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\Internet Explorer\EdpDomStorage\bing.com | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "140" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "140" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "2254" | 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\Internet Explorer\EdpDomStorage | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "173" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "879" | 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\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "173" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "2688" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "879" | 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 |
| 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\Internet Settings\Cache\History\CachePrefix = "Visited:" | 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\Internet Explorer\DOMStorage\www.bing.com | 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\Internet Explorer\EdpDomStorage\www.bing.com | 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\Internet Explorer\DOMStorage\bing.com | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "2688" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "6539" | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "879" | 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
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
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.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\system32\wbem\wmic.exe
"C:\obfkp\xj\..\..\Windows\asbji\..\system32\lbkj\wngb\..\..\wbem\knkbr\hhiig\..\..\wmic.exe" shadowcopy delete
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
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 448 -p 2156 -ip 2156
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2156 -s 4460
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2156 -s 4460
Network
| Country | Destination | Domain | Proto |
| US | 13.107.21.200:443 | tcp | |
| US | 8.8.8.8:53 | www.bing.com | udp |
| US | 204.79.197.200:443 | www.bing.com | tcp |
| US | 204.79.197.200:443 | www.bing.com | tcp |
Files
memory/4732-130-0x00000000007D0000-0x000000000082D000-memory.dmp
memory/4732-134-0x00000000006B0000-0x000000000070D000-memory.dmp
memory/4732-135-0x00000000007D1000-0x0000000000809000-memory.dmp
memory/4200-136-0x0000029B1A560000-0x0000029B1A570000-memory.dmp
memory/4200-137-0x0000029B1AC20000-0x0000029B1AC30000-memory.dmp
memory/4200-138-0x0000029B1D2E0000-0x0000029B1D2E4000-memory.dmp
memory/400-141-0x000001DBA55D0000-0x000001DBA55D4000-memory.dmp