maze | 8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1

Analysis

max time kernel
166s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
16-02-2022 22:49

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General

Target

8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
Size

601KB
MD5

9a5ada52693122640e5f405202f3be19
SHA1

59377926431ca2fda7a25d5f96323d26b9790b3f
SHA256

8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1
SHA512

4a32d2d5668612c05921604259f0e90327ba85310ff73faa6518251c738570e9c1252edc24d2db7c5a939c689be0b399431507fe69497dfa19063f7d2ce9f5e4

Score

10^/10

maze ransomware trojan

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/6c2b0cc89fdf649a 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/6c2b0cc89fdf649a 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/6c2b0cc89fdf649a

https://mazedecrypt.top/6c2b0cc89fdf649a

Signatures

Maze
Ransomware family also known as ChaCha.
trojan ransomware maze
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\ConvertToLimit.png => C:\Users\Admin\Pictures\ConvertToLimit.png.Wx9t	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\DisableSave.png => C:\Users\Admin\Pictures\DisableSave.png.kst8z	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\DismountClear.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\DismountClear.tiff => C:\Users\Admin\Pictures\DismountClear.tiff.kst8z	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\RegisterGroup.raw => C:\Users\Admin\Pictures\RegisterGroup.raw.RGkdF	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnlockBackup.tiff => C:\Users\Admin\Pictures\UnlockBackup.tiff.OV1Egph	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ExportMove.tif => C:\Users\Admin\Pictures\ExportMove.tif.kst8z	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\LockImport.tif => C:\Users\Admin\Pictures\LockImport.tif.RGkdF	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\RemoveRegister.crw => C:\Users\Admin\Pictures\RemoveRegister.crw.zTvyDl	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\RenameProtect.raw => C:\Users\Admin\Pictures\RenameProtect.raw.zTvyDl	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\RestoreLock.png => C:\Users\Admin\Pictures\RestoreLock.png.zTvyDl	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockBackup.tiff	regsvr32.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c2b0cc89fdf649a.tmp	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6c2b0cc89fdf649a.tmp	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
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"	regsvr32.exe

Drops file in Program Files directory 36 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\FindInvoke.png	regsvr32.exe
File opened for modification	C:\Program Files\LockBackup.pdf	regsvr32.exe
File opened for modification	C:\Program Files\RegisterUse.mht	regsvr32.exe
File opened for modification	C:\Program Files\BlockInstall.avi	regsvr32.exe
File opened for modification	C:\Program Files\DisableCompress.mht	regsvr32.exe
File opened for modification	C:\Program Files\ExitSearch.wma	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6c2b0cc89fdf649a.tmp	regsvr32.exe
File opened for modification	C:\Program Files\ConvertFromReset.mht	regsvr32.exe
File opened for modification	C:\Program Files\GetFormat.vstx	regsvr32.exe
File opened for modification	C:\Program Files\UnpublishLimit.M2T	regsvr32.exe
File opened for modification	C:\Program Files\6c2b0cc89fdf649a.tmp	regsvr32.exe
File opened for modification	C:\Program Files\AssertConnect.ppt	regsvr32.exe
File opened for modification	C:\Program Files\CloseEdit.aif	regsvr32.exe
File opened for modification	C:\Program Files\StopExpand.ppsm	regsvr32.exe
File opened for modification	C:\Program Files\ExportRestart.hta	regsvr32.exe
File opened for modification	C:\Program Files\MoveRedo.tif	regsvr32.exe
File opened for modification	C:\Program Files\NewBlock.wdp	regsvr32.exe
File opened for modification	C:\Program Files\NewRevoke.ps1xml	regsvr32.exe
File opened for modification	C:\Program Files\TraceSend.M2TS	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\RenameSelect.7z	regsvr32.exe
File opened for modification	C:\Program Files\ResetEnter.odt	regsvr32.exe
File opened for modification	C:\Program Files\RestoreTrace.dwfx	regsvr32.exe
File opened for modification	C:\Program Files\SuspendOptimize.DVR-MS	regsvr32.exe
File opened for modification	C:\Program Files\RemoveApprove.ogg	regsvr32.exe
File opened for modification	C:\Program Files\RenameAssert.ocx	regsvr32.exe
File opened for modification	C:\Program Files\RestartAssert.ocx	regsvr32.exe
File opened for modification	C:\Program Files\ExportPublish.ini	regsvr32.exe
File opened for modification	C:\Program Files\GroupDisconnect.aiff	regsvr32.exe
File opened for modification	C:\Program Files\InitializeUninstall.svg	regsvr32.exe
File opened for modification	C:\Program Files\LimitMeasure.rtf	regsvr32.exe
File opened for modification	C:\Program Files\PingUnprotect.xml	regsvr32.exe
File opened for modification	C:\Program Files\AddStop.cr2	regsvr32.exe
File opened for modification	C:\Program Files\AssertRead.jpeg	regsvr32.exe
File opened for modification	C:\Program Files\CompressProtect.svgz	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3420	regsvr32.exe
3420	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

description	pid	Process
Token: SeBackupPrivilege	4748	vssvc.exe
Token: SeRestorePrivilege	4748	vssvc.exe
Token: SeAuditPrivilege	4748	vssvc.exe
Token: SeIncreaseQuotaPrivilege	4928	wmic.exe
Token: SeSecurityPrivilege	4928	wmic.exe
Token: SeTakeOwnershipPrivilege	4928	wmic.exe
Token: SeLoadDriverPrivilege	4928	wmic.exe
Token: SeSystemProfilePrivilege	4928	wmic.exe
Token: SeSystemtimePrivilege	4928	wmic.exe
Token: SeProfSingleProcessPrivilege	4928	wmic.exe
Token: SeIncBasePriorityPrivilege	4928	wmic.exe
Token: SeCreatePagefilePrivilege	4928	wmic.exe
Token: SeBackupPrivilege	4928	wmic.exe
Token: SeRestorePrivilege	4928	wmic.exe
Token: SeShutdownPrivilege	4928	wmic.exe
Token: SeDebugPrivilege	4928	wmic.exe
Token: SeSystemEnvironmentPrivilege	4928	wmic.exe
Token: SeRemoteShutdownPrivilege	4928	wmic.exe
Token: SeUndockPrivilege	4928	wmic.exe
Token: SeManageVolumePrivilege	4928	wmic.exe
Token: 33	4928	wmic.exe
Token: 34	4928	wmic.exe
Token: 35	4928	wmic.exe
Token: 36	4928	wmic.exe
Token: SeIncreaseQuotaPrivilege	4928	wmic.exe
Token: SeSecurityPrivilege	4928	wmic.exe
Token: SeTakeOwnershipPrivilege	4928	wmic.exe
Token: SeLoadDriverPrivilege	4928	wmic.exe
Token: SeSystemProfilePrivilege	4928	wmic.exe
Token: SeSystemtimePrivilege	4928	wmic.exe
Token: SeProfSingleProcessPrivilege	4928	wmic.exe
Token: SeIncBasePriorityPrivilege	4928	wmic.exe
Token: SeCreatePagefilePrivilege	4928	wmic.exe
Token: SeBackupPrivilege	4928	wmic.exe
Token: SeRestorePrivilege	4928	wmic.exe
Token: SeShutdownPrivilege	4928	wmic.exe
Token: SeDebugPrivilege	4928	wmic.exe
Token: SeSystemEnvironmentPrivilege	4928	wmic.exe
Token: SeRemoteShutdownPrivilege	4928	wmic.exe
Token: SeUndockPrivilege	4928	wmic.exe
Token: SeManageVolumePrivilege	4928	wmic.exe
Token: 33	4928	wmic.exe
Token: 34	4928	wmic.exe
Token: 35	4928	wmic.exe
Token: 36	4928	wmic.exe
Token: SeShutdownPrivilege	4316	svchost.exe
Token: SeCreatePagefilePrivilege	4316	svchost.exe
Token: SeShutdownPrivilege	4316	svchost.exe
Token: SeCreatePagefilePrivilege	4316	svchost.exe
Token: SeShutdownPrivilege	4316	svchost.exe
Token: SeCreatePagefilePrivilege	4316	svchost.exe
Token: 33	2388	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2388	AUDIODG.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 3420	396	regsvr32.exe	81
PID 396 wrote to memory of 3420	396	regsvr32.exe	81
PID 396 wrote to memory of 3420	396	regsvr32.exe	81
PID 3420 wrote to memory of 4928	3420	regsvr32.exe	92
PID 3420 wrote to memory of 4928	3420	regsvr32.exe	92

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8830c4cf376ebbc98783dfeaf19d1d161546da236175f4d225fca940e11494b1.dll
  2⤵
  - 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:3420
- - C:\Windows\system32\wbem\wmic.exe
    "C:\gt\..\Windows\voxu\buux\..\..\system32\nkb\..\wbem\ys\j\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4928

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4316

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x320 0x500
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

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Downloads

memory/3420-130-0x0000000000810000-0x000000000086D000-memory.dmp

Filesize
372KB

Download
memory/3420-135-0x0000000000811000-0x0000000000849000-memory.dmp

Filesize
224KB

Download
memory/3420-134-0x00000000006F0000-0x000000000074D000-memory.dmp

Filesize
372KB

Download
memory/4316-136-0x000001B3C8530000-0x000001B3C8540000-memory.dmp

Filesize
64KB

Download
memory/4316-137-0x000001B3C8590000-0x000001B3C85A0000-memory.dmp

Filesize
64KB

Download
memory/4316-138-0x000001B3CB270000-0x000001B3CB274000-memory.dmp

Filesize
16KB

Download