General
Target

0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe

Filesize

1MB

Completed

16-02-2022 23:20

Task

behavioral2

Score
10/10
MD5

be0e634d059c6d113b7874eb00daabbf

SHA1

4ba2a5d816f09e83b8b5dacb99bc26ee8ec0db46

SHA256

0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd

SHA256

00bee8ab544be1643f894c2b1375a5b014eec4d85cfd5d630918e49fc815c332eddeec5f736719a40fbe0d28a49675851fccfff94a0353ac8c976ce2c3606be7

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- We hacked your network and now all your files, documents, photos, databases, and other important data are safely encrypted with reliable algorithms. You cannot access the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. We have also downloaded a lot of private data from your network, so in case of not contacting us as soon as possible this data will be released. If you do not contact us in a 3 days we will post information about your breach on our public news website and after 7 days the whole downloaded info. To see what happens to those who don't contact us, google: * Southwire Maze Ransomware * MDLab Maze Ransomware * City of Pensacola Maze Ransomware After the payment the data will be removed from our disks and decryptor will be given to you, so you can restore all your files. ---------------------------- | How to contact us and get my files back? ---------------------------- The only method to restore your files and be safe from data leakage is to purchase a unique for you private key which is securely stored on our servers. To contact us and purchase the key you have to visit our website in a hidden TOR network. There are general 2 ways to reach us: 1) [Recommended] Using hidden TOR network. a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR Browser. c) Open the TOR Browser. d) Open our website in the TOR browser: http://aoacugmutagkwctu.onion/6c2b0cc859273d0f e) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://mazedecrypt.top/6c2b0cc859273d0f b) Follow the instructions on this page. Warning: the second (2) method can be blocked in some countries. That is why the first (1) method is recommended to use. On this page, you will see instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ---------------------------- | What about guarantees? ---------------------------- We understand your stress and worry. So you have a FREE opportunity to test a service by instantly decrypting for free three files from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat! P.S. Dear system administrators, do not think you can handle it by yourself. Inform leadership as soon as possible. By hiding the fact of the breach you will be eventually fired and sometimes even sued. ------------------------------------------------------------------------------- THIS IS A SPECIAL BLOCK WITH A PERSONAL AND CONFIDENTIAL INFORMATION! DO NOT TOUCH IT WE NEED IT TO IDENTIFY AND AUTHORIZE YOU ---BEGIN MAZE KEY--- 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 ---END MAZE KEY---
URLs

http://aoacugmutagkwctu.onion/6c2b0cc859273d0f

https://mazedecrypt.top/6c2b0cc859273d0f

Signatures 16

Filter: none

Collection
Credential Access
Discovery
  • Maze

    Description

    Ransomware family also known as ChaCha.

  • Suspicious use of NtCreateProcessExOtherParentProcess
    WerFault.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1896 created 35441896WerFault.exeSearchApp.exe
  • suricata: ET MALWARE Maze/ID Ransomware Activity

    Description

    suricata: ET MALWARE Maze/ID Ransomware Activity

    Tags

  • Modifies extensions of user files
    0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

    Reported IOCs

    descriptioniocprocess
    File renamedC:\Users\Admin\Pictures\SelectRemove.png => C:\Users\Admin\Pictures\SelectRemove.png.FrkXB0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\StartSuspend.raw => C:\Users\Admin\Pictures\StartSuspend.raw.R5bpV70e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\UnpublishResume.png => C:\Users\Admin\Pictures\UnpublishResume.png.R5bpV70e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\WriteSuspend.png => C:\Users\Admin\Pictures\WriteSuspend.png.WFiM0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\DenyOut.tif => C:\Users\Admin\Pictures\DenyOut.tif.tO7vMk0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\DismountReset.crw => C:\Users\Admin\Pictures\DismountReset.crw.jwFSp90e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\ImportConvert.raw => C:\Users\Admin\Pictures\ImportConvert.raw.jwFSp90e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File renamedC:\Users\Admin\Pictures\MoveClose.raw => C:\Users\Admin\Pictures\MoveClose.raw.u3ZToR10e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
  • Drops startup file
    0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe

    Reported IOCs

    descriptioniocprocess
    File createdC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c2b0cc859273d0f.tmp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File createdC:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6c2b0cc859273d0f.tmp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    TTPs

    Data from Local SystemCredentials in Files
  • Drops file in Program Files directory
    0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe

    Reported IOCs

    descriptioniocprocess
    File createdC:\Program Files\DECRYPT-FILES.txt0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\ApproveUnblock.odt0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\EditUninstall.asp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\ResolveGet.avi0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files (x86)\6c2b0cc859273d0f.tmp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\EnableBackup.potm0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\PopUninstall.dxf0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\UninstallConvertFrom.3gp20e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\UseRemove.avi0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\WaitConnect.xls0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\OptimizePublish.mhtml0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\ReceiveExpand.vb0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\RequestFormat.dotm0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\SendGroup.vsd0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File createdC:\Program Files (x86)\DECRYPT-FILES.txt0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\6c2b0cc859273d0f.tmp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\CopyStart.asp0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\DismountRemove.css0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\GroupMount.mov0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\HideDisconnect.edrwx0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    File opened for modificationC:\Program Files\InvokeRequest.eprtx0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
  • Drops file in Windows directory
    svchost.exe

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Windows\SoftwareDistribution\DataStore\DataStore.edbsvchost.exe
    File opened for modificationC:\Windows\SoftwareDistribution\DataStore\DataStore.jfmsvchost.exe
    File opened for modificationC:\Windows\SoftwareDistribution\ReportingEvents.logsvchost.exe
    File opened for modificationC:\Windows\WindowsUpdate.logsvchost.exe
    File opened for modificationC:\Windows\SoftwareDistribution\DataStore\Logs\edb.chksvchost.exe
    File opened for modificationC:\Windows\SoftwareDistribution\DataStore\Logs\edb.logsvchost.exe
  • Program crash
    WerFault.exeWerFault.exe

    Reported IOCs

    pidpid_targetprocesstarget process
    32163544WerFault.exeSearchApp.exe
    28843544WerFault.exeSearchApp.exe
  • Enumerates system info in registry
    SearchApp.exe

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOSSearchApp.exe
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKUSearchApp.exe
  • Modifies data under HKEY_USERS
    svchost.exe

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connectionssvchost.exe
  • Modifies registry class
    SearchApp.exe

    Reported IOCs

    descriptioniocprocess
    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\EdpDomStorageSearchApp.exe
    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 = "5764"SearchApp.exe
    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\CachePrefixSearchApp.exe
    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\TotalSearchApp.exe
    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\ = "2687"SearchApp.exe
    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 = "2257"SearchApp.exe
    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\ = "792"SearchApp.exe
    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"SearchApp.exe
    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\ = "792"SearchApp.exe
    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 = "792"SearchApp.exe
    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\DomStorageStateSearchApp.exe
    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.comSearchApp.exe
    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\TotalSearchApp.exe
    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"SearchApp.exe
    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\ = "2687"SearchApp.exe
    Key created\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\MuiCacheSearchApp.exe
    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\ohDO1Sgy3MzgdEgEb4WYfDS4eiSearchApp.exe
    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:"SearchApp.exe
    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"SearchApp.exe
    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\ = "7616"SearchApp.exe
    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.comSearchApp.exe
    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"SearchApp.exe
    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"SearchApp.exe
    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"SearchApp.exe
    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 = "2687"SearchApp.exe
    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 = "7616"SearchApp.exe
    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"SearchApp.exe
    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\DOMStorageSearchApp.exe
    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.comSearchApp.exe
    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.comSearchApp.exe
    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\ = "5764"SearchApp.exe
    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\ = "7616"SearchApp.exe
    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:"SearchApp.exe
    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\ = "2257"SearchApp.exe
    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\ = "2257"SearchApp.exe
    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\ = "5764"SearchApp.exe
  • Suspicious behavior: EnumeratesProcesses
    0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe

    Reported IOCs

    pidprocess
    40320e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    40320e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
  • Suspicious use of AdjustPrivilegeToken
    vssvc.exesvchost.exeSearchApp.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeBackupPrivilege484vssvc.exe
    Token: SeRestorePrivilege484vssvc.exe
    Token: SeAuditPrivilege484vssvc.exe
    Token: SeShutdownPrivilege276svchost.exe
    Token: SeCreatePagefilePrivilege276svchost.exe
    Token: SeShutdownPrivilege276svchost.exe
    Token: SeCreatePagefilePrivilege276svchost.exe
    Token: SeShutdownPrivilege276svchost.exe
    Token: SeCreatePagefilePrivilege276svchost.exe
    Token: SeTakeOwnershipPrivilege3544SearchApp.exe
    Token: SeRestorePrivilege3544SearchApp.exe
    Token: SeTakeOwnershipPrivilege3544SearchApp.exe
    Token: SeRestorePrivilege3544SearchApp.exe
    Token: SeTakeOwnershipPrivilege3544SearchApp.exe
    Token: SeRestorePrivilege3544SearchApp.exe
  • Suspicious use of SetWindowsHookEx
    SearchApp.exe

    Reported IOCs

    pidprocess
    3544SearchApp.exe
  • Suspicious use of WriteProcessMemory
    WerFault.exeSearchApp.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1896 wrote to memory of 35441896WerFault.exeSearchApp.exe
    PID 1896 wrote to memory of 35441896WerFault.exeSearchApp.exe
    PID 3544 wrote to memory of 28843544SearchApp.exeWerFault.exe
    PID 3544 wrote to memory of 28843544SearchApp.exeWerFault.exe
    PID 3544 wrote to memory of 28843544SearchApp.exeWerFault.exe
Processes 9
  • C:\Users\Admin\AppData\Local\Temp\0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe
    "C:\Users\Admin\AppData\Local\Temp\0e03b75972bc00a096a75f4eb6b2245dc23731ed683fcc48d9ed4045069aa0fd.exe"
    Modifies extensions of user files
    Drops startup file
    Drops file in Program Files directory
    Suspicious behavior: EnumeratesProcesses
    PID:4032
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Suspicious use of AdjustPrivilegeToken
    PID:484
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    Drops file in Windows directory
    Suspicious use of AdjustPrivilegeToken
    PID:276
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    Enumerates system info in registry
    Modifies registry class
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3544 -s 4504
      Program crash
      PID:3216
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3544 -s 4504
      Program crash
      PID:2884
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    Modifies data under HKEY_USERS
    PID:2176
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    PID:3912
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 424 -p 3544 -ip 3544
    Suspicious use of NtCreateProcessExOtherParentProcess
    Suspicious use of WriteProcessMemory
    PID:1896
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Defense Evasion
      Execution
        Exfiltration
          Impact
            Initial Access
              Lateral Movement
                Persistence
                  Privilege Escalation
                    Replay Monitor
                    00:00 00:00
                    Downloads
                    • memory/276-142-0x000001A8DE320000-0x000001A8DE324000-memory.dmp

                    • memory/276-140-0x000001A8DB5A0000-0x000001A8DB5B0000-memory.dmp

                    • memory/276-141-0x000001A8DBC20000-0x000001A8DBC30000-memory.dmp

                    • memory/2176-145-0x000001FC06350000-0x000001FC06354000-memory.dmp

                    • memory/4032-138-0x0000000000E56000-0x0000000000ED3000-memory.dmp

                    • memory/4032-139-0x0000000000F41000-0x0000000000F7A000-memory.dmp

                    • memory/4032-133-0x0000000000E56000-0x0000000000ED3000-memory.dmp

                    • memory/4032-134-0x0000000000F40000-0x0000000000F9E000-memory.dmp