General
Target

wordupd.exe

Filesize

736KB

Completed

25-05-2022 13:46

Task

behavioral2

Score
10/10
MD5

21a563f958b73d453ad91e251b11855c

SHA1

64ed4f6b315448d518ed003a1d0c7e56790ef50d

SHA256

067f1b8f1e0b2bfe286f5169e17834e8cf7f4266b8d97f28ea78995dc81b0e7b

SHA256

3eaef227db10759c65d668317322e71cd60e60427afd4d4f5f627e9b7a9d4e6d3287b7bf32df3fa7ba2f7062ec41393a100a477668b7f4dca76c2b8932c1b9eb

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- 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 have a chance! It is easy to recover in a few steps. ---------------------------- | How to get my files back? ---------------------------- The only method to restore your files 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/89ba09ba7e010201 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/89ba09ba7e010201 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 on your computer! If you have any problems our friendly support team is always here to assist you in a live chat! ------------------------------------------------------------------------------- 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/89ba09ba7e010201

https://mazedecrypt.top/89ba09ba7e010201

Signatures 12

Filter: none

Collection
Credential Access
Defense Evasion
Impact
  • Maze

    Description

    Ransomware family also known as ChaCha.

  • suricata: ET MALWARE Maze/ID Ransomware Activity

    Description

    suricata: ET MALWARE Maze/ID Ransomware Activity

    Tags

  • Deletes shadow copies

    Description

    Ransomware often targets backup files to inhibit system recovery.

    Tags

    TTPs

    File DeletionInhibit System Recovery
  • Modifies extensions of user files
    wordupd.exe

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

    Reported IOCs

    descriptioniocprocess
    File renamedC:\Users\Admin\Pictures\UndoUpdate.tiff => C:\Users\Admin\Pictures\UndoUpdate.tiff.d8zvwordupd.exe
    File opened for modificationC:\Users\Admin\Pictures\UseUnblock.tiffwordupd.exe
    File renamedC:\Users\Admin\Pictures\WatchPing.crw => C:\Users\Admin\Pictures\WatchPing.crw.d8zvwordupd.exe
    File renamedC:\Users\Admin\Pictures\BlockResume.crw => C:\Users\Admin\Pictures\BlockResume.crw.BYm2wordupd.exe
    File opened for modificationC:\Users\Admin\Pictures\UndoUpdate.tiffwordupd.exe
    File renamedC:\Users\Admin\Pictures\ReceiveInvoke.tif => C:\Users\Admin\Pictures\ReceiveInvoke.tif.q9Diwordupd.exe
    File renamedC:\Users\Admin\Pictures\SuspendCompare.crw => C:\Users\Admin\Pictures\SuspendCompare.crw.q9Diwordupd.exe
    File renamedC:\Users\Admin\Pictures\UseUnblock.tiff => C:\Users\Admin\Pictures\UseUnblock.tiff.d8zvwordupd.exe
    File opened for modificationC:\Users\Admin\Pictures\AssertJoin.tiffwordupd.exe
    File renamedC:\Users\Admin\Pictures\ConfirmTest.raw => C:\Users\Admin\Pictures\ConfirmTest.raw.BYm2wordupd.exe
    File renamedC:\Users\Admin\Pictures\AssertJoin.tiff => C:\Users\Admin\Pictures\AssertJoin.tiff.BYm2wordupd.exe
    File renamedC:\Users\Admin\Pictures\UnprotectClose.raw => C:\Users\Admin\Pictures\UnprotectClose.raw.d8zvwordupd.exe
    File renamedC:\Users\Admin\Pictures\CloseBackup.tif => C:\Users\Admin\Pictures\CloseBackup.tif.BYm2wordupd.exe
    File renamedC:\Users\Admin\Pictures\CompleteUnprotect.png => C:\Users\Admin\Pictures\CompleteUnprotect.png.BYm2wordupd.exe
  • Drops startup file
    wordupd.exe

    Reported IOCs

    descriptioniocprocess
    File createdC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txtwordupd.exe
    File opened for modificationC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89ba09ba7e010201.tmpwordupd.exe
    File createdC:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txtwordupd.exe
    File opened for modificationC:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\89ba09ba7e010201.tmpwordupd.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 System32 directory
    svchost.exe

    Reported IOCs

    descriptioniocprocess
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0AF88682-368F-4686-83A6-D5E92A110729}.catalogItemsvchost.exe
    File opened for modificationC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NXQXXLFST89.datsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4EF9EFD2-CDEA-4408-B175-7D92A668238A}.catalogItemsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5BA42EB9-661B-4478-B321-70599C7E94AD}.catalogItemsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E88895AA-D8DF-46BF-AF14-1A1D68B05FC2}.catalogItemsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NXQXXLFST89.datsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.datsvchost.exe
    File opened for modificationC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.datsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{15B1774C-A2B8-499F-A26E-3683BC483FE9}.catalogItemsvchost.exe
    File createdC:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{61AC62B4-4B02-4CEE-BB32-CE661F25AB35}.catalogItemsvchost.exe
  • Sets desktop wallpaper using registry
    wordupd.exe

    Tags

    TTPs

    DefacementModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp"wordupd.exe
  • Drops file in Program Files directory
    wordupd.exe

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Program Files\AddPop.AACwordupd.exe
    File opened for modificationC:\Program Files\BackupSubmit.pptwordupd.exe
    File opened for modificationC:\Program Files\UninstallSync.jpegwordupd.exe
    File opened for modificationC:\Program Files\UpdateMeasure.dibwordupd.exe
    File opened for modificationC:\Program Files\WriteClose.isowordupd.exe
    File opened for modificationC:\Program Files\ConnectPop.xlawordupd.exe
    File opened for modificationC:\Program Files\GrantConvertTo.mppwordupd.exe
    File opened for modificationC:\Program Files\GrantEnable.oggwordupd.exe
    File opened for modificationC:\Program Files\MeasureMove.wmawordupd.exe
    File opened for modificationC:\Program Files\ResetDisable.rmwordupd.exe
    File opened for modificationC:\Program Files\StepPush.mpv2wordupd.exe
    File opened for modificationC:\Program Files\89ba09ba7e010201.tmpwordupd.exe
    File opened for modificationC:\Program Files\ConvertImport.wdpwordupd.exe
    File opened for modificationC:\Program Files\DismountOut.tiffwordupd.exe
    File opened for modificationC:\Program Files\FindUnlock.jpegwordupd.exe
    File opened for modificationC:\Program Files\OptimizeSearch.xmlwordupd.exe
    File opened for modificationC:\Program Files\PublishReceive.potxwordupd.exe
    File createdC:\Program Files\DECRYPT-FILES.txtwordupd.exe
    File opened for modificationC:\Program Files\CompressCompare.pptwordupd.exe
    File opened for modificationC:\Program Files\GetExport.svgwordupd.exe
    File opened for modificationC:\Program Files\InitializeConvertTo.ex_wordupd.exe
    File opened for modificationC:\Program Files\PublishResume.pngwordupd.exe
    File opened for modificationC:\Program Files\RequestRedo.mpgwordupd.exe
    File opened for modificationC:\Program Files\UnpublishStep.vbswordupd.exe
    File createdC:\Program Files (x86)\DECRYPT-FILES.txtwordupd.exe
    File opened for modificationC:\Program Files (x86)\89ba09ba7e010201.tmpwordupd.exe
    File opened for modificationC:\Program Files\ResizeSubmit.3gppwordupd.exe
    File opened for modificationC:\Program Files\SendReceive.tmpwordupd.exe
    File opened for modificationC:\Program Files\ShowEnter.pubwordupd.exe
    File opened for modificationC:\Program Files\ExportUnblock.tifwordupd.exe
    File opened for modificationC:\Program Files\StepMount.xlsxwordupd.exe
    File opened for modificationC:\Program Files\TraceFormat.eprtxwordupd.exe
  • Suspicious behavior: EnumeratesProcesses
    wordupd.exe

    Reported IOCs

    pidprocess
    4200wordupd.exe
    4200wordupd.exe
  • Suspicious use of AdjustPrivilegeToken
    vssvc.exewmic.exeAUDIODG.EXEAUDIODG.EXE

    Reported IOCs

    descriptionpidprocess
    Token: SeBackupPrivilege4628vssvc.exe
    Token: SeRestorePrivilege4628vssvc.exe
    Token: SeAuditPrivilege4628vssvc.exe
    Token: SeIncreaseQuotaPrivilege2516wmic.exe
    Token: SeSecurityPrivilege2516wmic.exe
    Token: SeTakeOwnershipPrivilege2516wmic.exe
    Token: SeLoadDriverPrivilege2516wmic.exe
    Token: SeSystemProfilePrivilege2516wmic.exe
    Token: SeSystemtimePrivilege2516wmic.exe
    Token: SeProfSingleProcessPrivilege2516wmic.exe
    Token: SeIncBasePriorityPrivilege2516wmic.exe
    Token: SeCreatePagefilePrivilege2516wmic.exe
    Token: SeBackupPrivilege2516wmic.exe
    Token: SeRestorePrivilege2516wmic.exe
    Token: SeShutdownPrivilege2516wmic.exe
    Token: SeDebugPrivilege2516wmic.exe
    Token: SeSystemEnvironmentPrivilege2516wmic.exe
    Token: SeRemoteShutdownPrivilege2516wmic.exe
    Token: SeUndockPrivilege2516wmic.exe
    Token: SeManageVolumePrivilege2516wmic.exe
    Token: 332516wmic.exe
    Token: 342516wmic.exe
    Token: 352516wmic.exe
    Token: 362516wmic.exe
    Token: SeIncreaseQuotaPrivilege2516wmic.exe
    Token: SeSecurityPrivilege2516wmic.exe
    Token: SeTakeOwnershipPrivilege2516wmic.exe
    Token: SeLoadDriverPrivilege2516wmic.exe
    Token: SeSystemProfilePrivilege2516wmic.exe
    Token: SeSystemtimePrivilege2516wmic.exe
    Token: SeProfSingleProcessPrivilege2516wmic.exe
    Token: SeIncBasePriorityPrivilege2516wmic.exe
    Token: SeCreatePagefilePrivilege2516wmic.exe
    Token: SeBackupPrivilege2516wmic.exe
    Token: SeRestorePrivilege2516wmic.exe
    Token: SeShutdownPrivilege2516wmic.exe
    Token: SeDebugPrivilege2516wmic.exe
    Token: SeSystemEnvironmentPrivilege2516wmic.exe
    Token: SeRemoteShutdownPrivilege2516wmic.exe
    Token: SeUndockPrivilege2516wmic.exe
    Token: SeManageVolumePrivilege2516wmic.exe
    Token: 332516wmic.exe
    Token: 342516wmic.exe
    Token: 352516wmic.exe
    Token: 362516wmic.exe
    Token: 33924AUDIODG.EXE
    Token: SeIncBasePriorityPrivilege924AUDIODG.EXE
    Token: 335076AUDIODG.EXE
    Token: SeIncBasePriorityPrivilege5076AUDIODG.EXE
  • Suspicious use of WriteProcessMemory
    wordupd.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4200 wrote to memory of 25164200wordupd.exewmic.exe
    PID 4200 wrote to memory of 25164200wordupd.exewmic.exe
Processes 7
  • C:\Users\Admin\AppData\Local\Temp\wordupd.exe
    "C:\Users\Admin\AppData\Local\Temp\wordupd.exe"
    Modifies extensions of user files
    Drops startup file
    Sets desktop wallpaper using registry
    Drops file in Program Files directory
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\system32\wbem\wmic.exe
      "C:\inc\bhv\vtu\..\..\..\Windows\vqnpk\su\f\..\..\..\system32\ubt\r\f\..\..\..\wbem\fa\..\wmic.exe" shadowcopy delete
      Suspicious use of AdjustPrivilegeToken
      PID:2516
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Suspicious use of AdjustPrivilegeToken
    PID:4628
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x49c 0x2fc
    Suspicious use of AdjustPrivilegeToken
    PID:924
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x49c 0x2fc
    Suspicious use of AdjustPrivilegeToken
    PID:5076
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    Drops file in System32 directory
    PID:2544
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    PID:1240
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Discovery
      Execution
        Exfiltration
          Initial Access
            Lateral Movement
              Persistence
                Privilege Escalation
                  Replay Monitor
                  00:00 00:00
                  Downloads
                  • memory/2516-132-0x0000000000000000-mapping.dmp

                  • memory/4200-130-0x0000000000970000-0x0000000000A11000-memory.dmp

                  • memory/4200-131-0x0000000000400000-0x00000000004BB000-memory.dmp