maze | ab4c81f552a0dd8911bcbfc6601350139b72c1b5752b70ec699c465b3c54fc7d

Analysis

max time kernel
123s
max time network
123s
platform
windows10_x64
resource
win10-en-20211104
submitted
08-11-2021 07:01

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General

Target

4ea8b8c37cfb02ccdba95fe91c12fb68a2b7174fdcbee7ddaadded8ceb0fdf97.dll
Size

486KB
MD5

c96df334b5ed70473ec6a58a545208b6
SHA1

f6ad7b0a1d93b7a70e286b87f423119daa4ea4df
SHA256

4ea8b8c37cfb02ccdba95fe91c12fb68a2b7174fdcbee7ddaadded8ceb0fdf97
SHA512

acb8b936ae74b5e4bce6f854ab2cf6875bdd913965c21f3015241eecfd3991c9b7cc0810c9bdae883b3aff96595187936d65598cd6fa62abf19ab5e271737c40

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/6c230cc2f90dee7e 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/6c230cc2f90dee7e 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/6c230cc2f90dee7e

https://mazedecrypt.top/6c230cc2f90dee7e

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 3 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\WatchGrant.tiff => C:\Users\Admin\Pictures\WatchGrant.tiff.N9mmnn	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\SaveOpen.crw => C:\Users\Admin\Pictures\SaveOpen.crw.kHuk	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\WatchGrant.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\6c230cc2f90dee7e.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\6c230cc2f90dee7e.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-1-5-21-1042495040-510797905-2613508344-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 24 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\CopyReceive.mht	regsvr32.exe
File opened for modification	C:\Program Files\InitializeWait.3gp	regsvr32.exe
File opened for modification	C:\Program Files\AssertTrace.potm	regsvr32.exe
File opened for modification	C:\Program Files\CompressMerge.xhtml	regsvr32.exe
File opened for modification	C:\Program Files\SetReceive.bmp	regsvr32.exe
File opened for modification	C:\Program Files\ShowResume.bmp	regsvr32.exe
File opened for modification	C:\Program Files\UnregisterUnpublish.vsx	regsvr32.exe
File opened for modification	C:\Program Files\CloseCopy.jfif	regsvr32.exe
File opened for modification	C:\Program Files\OpenSuspend.jpg	regsvr32.exe
File opened for modification	C:\Program Files\ConnectMerge.xsl	regsvr32.exe
File opened for modification	C:\Program Files\MeasureSend.dib	regsvr32.exe
File opened for modification	C:\Program Files\PingExpand.7z	regsvr32.exe
File opened for modification	C:\Program Files\ProtectExport.M2TS	regsvr32.exe
File opened for modification	C:\Program Files\SplitMeasure.pptm	regsvr32.exe
File opened for modification	C:\Program Files\SuspendSelect.wav	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\CloseGet.jfif	regsvr32.exe
File opened for modification	C:\Program Files\RestartRepair.odt	regsvr32.exe
File opened for modification	C:\Program Files\ShowLimit.vdx	regsvr32.exe
File opened for modification	C:\Program Files\UnpublishRestart.vst	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6c230cc2f90dee7e.tmp	regsvr32.exe
File opened for modification	C:\Program Files\6c230cc2f90dee7e.tmp	regsvr32.exe
File opened for modification	C:\Program Files\DebugReceive.gif	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4020	regsvr32.exe
4020	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeBackupPrivilege	4152	vssvc.exe
Token: SeRestorePrivilege	4152	vssvc.exe
Token: SeAuditPrivilege	4152	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3996	wmic.exe
Token: SeSecurityPrivilege	3996	wmic.exe
Token: SeTakeOwnershipPrivilege	3996	wmic.exe
Token: SeLoadDriverPrivilege	3996	wmic.exe
Token: SeSystemProfilePrivilege	3996	wmic.exe
Token: SeSystemtimePrivilege	3996	wmic.exe
Token: SeProfSingleProcessPrivilege	3996	wmic.exe
Token: SeIncBasePriorityPrivilege	3996	wmic.exe
Token: SeCreatePagefilePrivilege	3996	wmic.exe
Token: SeBackupPrivilege	3996	wmic.exe
Token: SeRestorePrivilege	3996	wmic.exe
Token: SeShutdownPrivilege	3996	wmic.exe
Token: SeDebugPrivilege	3996	wmic.exe
Token: SeSystemEnvironmentPrivilege	3996	wmic.exe
Token: SeRemoteShutdownPrivilege	3996	wmic.exe
Token: SeUndockPrivilege	3996	wmic.exe
Token: SeManageVolumePrivilege	3996	wmic.exe
Token: 33	3996	wmic.exe
Token: 34	3996	wmic.exe
Token: 35	3996	wmic.exe
Token: 36	3996	wmic.exe
Token: SeIncreaseQuotaPrivilege	3996	wmic.exe
Token: SeSecurityPrivilege	3996	wmic.exe
Token: SeTakeOwnershipPrivilege	3996	wmic.exe
Token: SeLoadDriverPrivilege	3996	wmic.exe
Token: SeSystemProfilePrivilege	3996	wmic.exe
Token: SeSystemtimePrivilege	3996	wmic.exe
Token: SeProfSingleProcessPrivilege	3996	wmic.exe
Token: SeIncBasePriorityPrivilege	3996	wmic.exe
Token: SeCreatePagefilePrivilege	3996	wmic.exe
Token: SeBackupPrivilege	3996	wmic.exe
Token: SeRestorePrivilege	3996	wmic.exe
Token: SeShutdownPrivilege	3996	wmic.exe
Token: SeDebugPrivilege	3996	wmic.exe
Token: SeSystemEnvironmentPrivilege	3996	wmic.exe
Token: SeRemoteShutdownPrivilege	3996	wmic.exe
Token: SeUndockPrivilege	3996	wmic.exe
Token: SeManageVolumePrivilege	3996	wmic.exe
Token: 33	3996	wmic.exe
Token: 34	3996	wmic.exe
Token: 35	3996	wmic.exe
Token: 36	3996	wmic.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 4020	2020	regsvr32.exe	69
PID 2020 wrote to memory of 4020	2020	regsvr32.exe	69
PID 2020 wrote to memory of 4020	2020	regsvr32.exe	69
PID 4020 wrote to memory of 3996	4020	regsvr32.exe	74
PID 4020 wrote to memory of 3996	4020	regsvr32.exe	74

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4ea8b8c37cfb02ccdba95fe91c12fb68a2b7174fdcbee7ddaadded8ceb0fdf97.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4ea8b8c37cfb02ccdba95fe91c12fb68a2b7174fdcbee7ddaadded8ceb0fdf97.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:4020
- - C:\Windows\system32\wbem\wmic.exe
    "C:\hoyek\eyg\..\..\Windows\rfq\..\system32\tdf\ukrc\..\..\wbem\n\bbc\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3996

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4152

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/4020-119-0x00000000046F0000-0x000000000474D000-memory.dmp

Filesize
372KB

Download
memory/4020-122-0x00000000046F0000-0x000000000474D000-memory.dmp

Filesize
372KB

Download