maze | 53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028

Analysis

max time kernel
93s
max time network
72s
platform
windows7_x64
resource
win7
submitted
06-08-2020 08:04

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General

Target

53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028.dll
Size

368KB
MD5

38d00c31a81c5b9e1f468145cda774a3
SHA1

d9f6db88ff739713960f7b8d2706ad3f4704b287
SHA256

53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028
SHA512

5ca3ed455b052e4a3a2b4f784910bc725d507683b98d2ac2aab0b6b258bc49f8cbada57bd6cfcec9f332b9ed2aaf8da59d79be817875826999a700c5c79e1027

Score

10^/10

ransomware spyware persistence trojan maze

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/6b170c9ae2a122c2 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/6b170c9ae2a122c2 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/6b170c9ae2a122c2

https://mazedecrypt.top/6b170c9ae2a122c2

Signatures

Modifies extensions of user files 13 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\UnblockFind.png => C:\Users\Admin\Pictures\UnblockFind.png.B0Nq	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UndoUnprotect.tiff => C:\Users\Admin\Pictures\UndoUnprotect.tiff.B0Nq	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ImportComplete.png => C:\Users\Admin\Pictures\ImportComplete.png.OKxiBz	rundll32.exe
File renamed	C:\Users\Admin\Pictures\PublishRestore.crw => C:\Users\Admin\Pictures\PublishRestore.crw.nOQYVNU	rundll32.exe
File renamed	C:\Users\Admin\Pictures\SelectRestore.tif => C:\Users\Admin\Pictures\SelectRestore.tif.AwiX	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\StepRead.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\StepRead.tiff => C:\Users\Admin\Pictures\StepRead.tiff.B0Nq	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\UndoUnprotect.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ExportDisconnect.tif => C:\Users\Admin\Pictures\ExportDisconnect.tif.OKxiBz	rundll32.exe
File renamed	C:\Users\Admin\Pictures\RepairEdit.tif => C:\Users\Admin\Pictures\RepairEdit.tif.AwiX	rundll32.exe
File renamed	C:\Users\Admin\Pictures\RequestResize.png => C:\Users\Admin\Pictures\RequestResize.png.AwiX	rundll32.exe
File renamed	C:\Users\Admin\Pictures\SkipClose.tif => C:\Users\Admin\Pictures\SkipClose.tif.B0Nq	rundll32.exe
File renamed	C:\Users\Admin\Pictures\StopExport.crw => C:\Users\Admin\Pictures\StopExport.crw.B0Nq	rundll32.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6b170c9ae2a122c2.tmp	rundll32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6b170c9ae2a122c2.tmp	rundll32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt	rundll32.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

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeBackupPrivilege	1036	vssvc.exe
Token: SeRestorePrivilege	1036	vssvc.exe
Token: SeAuditPrivilege	1036	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1904	wmic.exe
Token: SeSecurityPrivilege	1904	wmic.exe
Token: SeTakeOwnershipPrivilege	1904	wmic.exe
Token: SeLoadDriverPrivilege	1904	wmic.exe
Token: SeSystemProfilePrivilege	1904	wmic.exe
Token: SeSystemtimePrivilege	1904	wmic.exe
Token: SeProfSingleProcessPrivilege	1904	wmic.exe
Token: SeIncBasePriorityPrivilege	1904	wmic.exe
Token: SeCreatePagefilePrivilege	1904	wmic.exe
Token: SeBackupPrivilege	1904	wmic.exe
Token: SeRestorePrivilege	1904	wmic.exe
Token: SeShutdownPrivilege	1904	wmic.exe
Token: SeDebugPrivilege	1904	wmic.exe
Token: SeSystemEnvironmentPrivilege	1904	wmic.exe
Token: SeRemoteShutdownPrivilege	1904	wmic.exe
Token: SeUndockPrivilege	1904	wmic.exe
Token: SeManageVolumePrivilege	1904	wmic.exe
Token: 33	1904	wmic.exe
Token: 34	1904	wmic.exe
Token: 35	1904	wmic.exe
Token: SeIncreaseQuotaPrivilege	1904	wmic.exe
Token: SeSecurityPrivilege	1904	wmic.exe
Token: SeTakeOwnershipPrivilege	1904	wmic.exe
Token: SeLoadDriverPrivilege	1904	wmic.exe
Token: SeSystemProfilePrivilege	1904	wmic.exe
Token: SeSystemtimePrivilege	1904	wmic.exe
Token: SeProfSingleProcessPrivilege	1904	wmic.exe
Token: SeIncBasePriorityPrivilege	1904	wmic.exe
Token: SeCreatePagefilePrivilege	1904	wmic.exe
Token: SeBackupPrivilege	1904	wmic.exe
Token: SeRestorePrivilege	1904	wmic.exe
Token: SeShutdownPrivilege	1904	wmic.exe
Token: SeDebugPrivilege	1904	wmic.exe
Token: SeSystemEnvironmentPrivilege	1904	wmic.exe
Token: SeRemoteShutdownPrivilege	1904	wmic.exe
Token: SeUndockPrivilege	1904	wmic.exe
Token: SeManageVolumePrivilege	1904	wmic.exe
Token: 33	1904	wmic.exe
Token: 34	1904	wmic.exe
Token: 35	1904	wmic.exe

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	rundll32.exe

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

Maze
Ransomware family also known as ChaCha.
trojan ransomware maze

Drops file in Program Files directory 27 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\MoveRedo.wmx	rundll32.exe
File opened for modification	C:\Program Files\TestMerge.eprtx	rundll32.exe
File opened for modification	C:\Program Files\CompareFind.wmx	rundll32.exe
File opened for modification	C:\Program Files\AssertUnlock.ADTS	rundll32.exe
File opened for modification	C:\Program Files\SaveStart.clr	rundll32.exe
File opened for modification	C:\Program Files\WaitShow.ram	rundll32.exe
File opened for modification	C:\Program Files\EnterResize.bmp	rundll32.exe
File opened for modification	C:\Program Files\SelectClear.dxf	rundll32.exe
File opened for modification	C:\Program Files\ShowRemove.gif	rundll32.exe
File opened for modification	C:\Program Files\Microsoft SQL Server Compact Edition\6b170c9ae2a122c2.tmp	rundll32.exe
File opened for modification	C:\Program Files\ResetShow.dotm	rundll32.exe
File opened for modification	C:\Program Files\StartPublish.potm	rundll32.exe
File opened for modification	C:\Program Files\UnpublishGroup.sql	rundll32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\DisconnectPing.txt	rundll32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt	rundll32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\UnprotectOut.vstm	rundll32.exe
File opened for modification	C:\Program Files\6b170c9ae2a122c2.tmp	rundll32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\6b170c9ae2a122c2.tmp	rundll32.exe
File opened for modification	C:\Program Files\ResumeDeny.TTS	rundll32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Desktop\6b170c9ae2a122c2.tmp	rundll32.exe
File opened for modification	C:\Program Files\PushSelect.tiff	rundll32.exe
File opened for modification	C:\Program Files (x86)\6b170c9ae2a122c2.tmp	rundll32.exe
File opened for modification	C:\Program Files\GrantPush.avi	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1492 wrote to memory of 1552	1492	rundll32.exe	24
PID 1552 wrote to memory of 1904	1552	rundll32.exe	29
PID 1552 wrote to memory of 1904	1552	rundll32.exe	29
PID 1552 wrote to memory of 1904	1552	rundll32.exe	29
PID 1552 wrote to memory of 1904	1552	rundll32.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1552	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028.dll,#1
  2⤵
  - Modifies extensions of user files
  - Drops startup file
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: EnumeratesProcesses
  PID:1552
- - C:\Windows\system32\wbem\wmic.exe
    "C:\g\kvfk\dwq\..\..\..\Windows\jf\biw\..\..\system32\gvcit\tk\..\..\wbem\oae\jy\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1904

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:1036

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1816

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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