maze | a7f2d3bc5c8f9426267b1f48222a6ad42fa45658a6a9b8c0f1f6045d01bd71e1

Analysis

max time kernel
94s
max time network
71s
platform
windows10_x64
resource
win10v20201028
submitted
15-11-2020 17:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

gx.dll
Size

486KB
MD5

ad099246019b10f5d9a64159c53370ac
SHA1

baf152255b473f8da85cea6781935e2102ec868e
SHA256

a7f2d3bc5c8f9426267b1f48222a6ad42fa45658a6a9b8c0f1f6045d01bd71e1
SHA512

7f1afee0f70c6033d4d2bb14edff3105dcede7a3432e247310031acd094009b43e6eb554ad0310f3100aafbec79aed5e7bbfe60441a3f7988cb8f8b65a70ea22

Score

10^/10

maze persistence ransomware spyware 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/6c490cc38df0027e 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/6c490cc38df0027e 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/6c490cc38df0027e

https://mazedecrypt.top/6c490cc38df0027e

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\InitializeBlock.crw => C:\Users\Admin\Pictures\InitializeBlock.crw.v2syv	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\PublishStart.png => C:\Users\Admin\Pictures\PublishStart.png.v2syv	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\StepImport.tif => C:\Users\Admin\Pictures\StepImport.tif.ex3xH	regsvr32.exe

Drops startup file 4 IoCs

description	ioc	Process
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\6c490cc38df0027e.tmp	regsvr32.exe
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\6c490cc38df0027e.tmp	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.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-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 25 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\SubmitUnlock.jpeg	regsvr32.exe
File opened for modification	C:\Program Files\WriteExpand.sql	regsvr32.exe
File opened for modification	C:\Program Files\EnterUpdate.wmx	regsvr32.exe
File opened for modification	C:\Program Files\RemoveSearch.rtf	regsvr32.exe
File opened for modification	C:\Program Files\ResetSkip.tif	regsvr32.exe
File opened for modification	C:\Program Files\SendBackup.avi	regsvr32.exe
File opened for modification	C:\Program Files\ShowDebug.jpe	regsvr32.exe
File opened for modification	C:\Program Files\SubmitConvertFrom.vssx	regsvr32.exe
File opened for modification	C:\Program Files\ApproveClose.search-ms	regsvr32.exe
File opened for modification	C:\Program Files\EnableExport.dxf	regsvr32.exe
File opened for modification	C:\Program Files\GetImport.php	regsvr32.exe
File opened for modification	C:\Program Files\LockDisconnect.gif	regsvr32.exe
File opened for modification	C:\Program Files\PublishExpand.i64	regsvr32.exe
File opened for modification	C:\Program Files\SyncStep.css	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6c490cc38df0027e.tmp	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\6c490cc38df0027e.tmp	regsvr32.exe
File opened for modification	C:\Program Files\DismountClose.xml	regsvr32.exe
File opened for modification	C:\Program Files\LockRestore.htm	regsvr32.exe
File opened for modification	C:\Program Files\RequestWait.avi	regsvr32.exe
File opened for modification	C:\Program Files\SendExport.xla	regsvr32.exe
File opened for modification	C:\Program Files\ConvertToUnblock.eprtx	regsvr32.exe
File opened for modification	C:\Program Files\RedoClose.tmp	regsvr32.exe
File opened for modification	C:\Program Files\UseWrite.cmd	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
744	regsvr32.exe
744	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

description	pid	Process
Token: SeBackupPrivilege	908	vssvc.exe
Token: SeRestorePrivilege	908	vssvc.exe
Token: SeAuditPrivilege	908	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2752	wmic.exe
Token: SeSecurityPrivilege	2752	wmic.exe
Token: SeTakeOwnershipPrivilege	2752	wmic.exe
Token: SeLoadDriverPrivilege	2752	wmic.exe
Token: SeSystemProfilePrivilege	2752	wmic.exe
Token: SeSystemtimePrivilege	2752	wmic.exe
Token: SeProfSingleProcessPrivilege	2752	wmic.exe
Token: SeIncBasePriorityPrivilege	2752	wmic.exe
Token: SeCreatePagefilePrivilege	2752	wmic.exe
Token: SeBackupPrivilege	2752	wmic.exe
Token: SeRestorePrivilege	2752	wmic.exe
Token: SeShutdownPrivilege	2752	wmic.exe
Token: SeDebugPrivilege	2752	wmic.exe
Token: SeSystemEnvironmentPrivilege	2752	wmic.exe
Token: SeRemoteShutdownPrivilege	2752	wmic.exe
Token: SeUndockPrivilege	2752	wmic.exe
Token: SeManageVolumePrivilege	2752	wmic.exe
Token: 33	2752	wmic.exe
Token: 34	2752	wmic.exe
Token: 35	2752	wmic.exe
Token: 36	2752	wmic.exe
Token: SeIncreaseQuotaPrivilege	2752	wmic.exe
Token: SeSecurityPrivilege	2752	wmic.exe
Token: SeTakeOwnershipPrivilege	2752	wmic.exe
Token: SeLoadDriverPrivilege	2752	wmic.exe
Token: SeSystemProfilePrivilege	2752	wmic.exe
Token: SeSystemtimePrivilege	2752	wmic.exe
Token: SeProfSingleProcessPrivilege	2752	wmic.exe
Token: SeIncBasePriorityPrivilege	2752	wmic.exe
Token: SeCreatePagefilePrivilege	2752	wmic.exe
Token: SeBackupPrivilege	2752	wmic.exe
Token: SeRestorePrivilege	2752	wmic.exe
Token: SeShutdownPrivilege	2752	wmic.exe
Token: SeDebugPrivilege	2752	wmic.exe
Token: SeSystemEnvironmentPrivilege	2752	wmic.exe
Token: SeRemoteShutdownPrivilege	2752	wmic.exe
Token: SeUndockPrivilege	2752	wmic.exe
Token: SeManageVolumePrivilege	2752	wmic.exe
Token: 33	2752	wmic.exe
Token: 34	2752	wmic.exe
Token: 35	2752	wmic.exe
Token: 36	2752	wmic.exe
Token: 33	896	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	896	AUDIODG.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 744	884	regsvr32.exe	73
PID 884 wrote to memory of 744	884	regsvr32.exe	73
PID 884 wrote to memory of 744	884	regsvr32.exe	73
PID 744 wrote to memory of 2752	744	regsvr32.exe	80
PID 744 wrote to memory of 2752	744	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\gx.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:884
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\gx.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:744
- - C:\Windows\system32\wbem\wmic.exe
    "C:\knx\gaulk\..\..\Windows\swfw\..\system32\c\ffker\..\..\wbem\bmagn\qyftj\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2752

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:908

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x370
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/744-1-0x00000000034E0000-0x000000000353D000-memory.dmp

Filesize
372KB

Download
memory/744-3-0x00000000034E0000-0x000000000353D000-memory.dmp

Filesize
372KB

Download