Malware Analysis Report

2024-09-22 14:41

Sample ID 220216-22ywhaebe2
Target 3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58
SHA256 3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58
Tags
maze ransomware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58

Threat Level: Known bad

The file 3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58 was found to be: Known bad.

Malicious Activity Summary

maze ransomware trojan

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

N/A

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

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.dll

Signatures

Maze

trojan ransomware maze

Deletes shadow copies

ransomware

Modifies extensions of user files

ransomware
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

ransomware
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

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

N/A

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

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3935efdd48fc122e4b10c068f06c53e4360aeabdba3b70c7958af79a208fda58.dll

Signatures

Maze

trojan ransomware 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

ransomware

Modifies extensions of user files

ransomware
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

ransomware
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

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

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
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: 36 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
Token: 36 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.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

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