maze | 53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028

Analysis

max time kernel
144s
max time network
58s
platform
windows10_x64
resource
win10v200722
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 persistence trojan maze spyware

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/6cfb0ccf3daff8a6 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/6cfb0ccf3daff8a6 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/6cfb0ccf3daff8a6

https://mazedecrypt.top/6cfb0ccf3daff8a6

Signatures

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\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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe

Drops file in Program Files directory 29 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\6cfb0ccf3daff8a6.tmp	rundll32.exe
File opened for modification	C:\Program Files\OptimizeComplete.doc	rundll32.exe
File opened for modification	C:\Program Files\OutWatch.wmv	rundll32.exe
File opened for modification	C:\Program Files\RegisterWait.bin	rundll32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\BlockWrite.odt	rundll32.exe
File opened for modification	C:\Program Files\JoinComplete.rtf	rundll32.exe
File opened for modification	C:\Program Files\ResolveEnable.ico	rundll32.exe
File opened for modification	C:\Program Files\SplitRead.php	rundll32.exe
File opened for modification	C:\Program Files (x86)\6cfb0ccf3daff8a6.tmp	rundll32.exe
File opened for modification	C:\Program Files\GetInvoke.TTS	rundll32.exe
File opened for modification	C:\Program Files\LimitReceive.mpeg2	rundll32.exe
File opened for modification	C:\Program Files\NewInitialize.ods	rundll32.exe
File opened for modification	C:\Program Files\UnpublishFormat.mpv2	rundll32.exe
File opened for modification	C:\Program Files\AddConnect.pcx	rundll32.exe
File opened for modification	C:\Program Files\GetReceive.mpg	rundll32.exe
File opened for modification	C:\Program Files\LimitInvoke.xlsx	rundll32.exe
File opened for modification	C:\Program Files\ResolveUse.tmp	rundll32.exe
File opened for modification	C:\Program Files\SplitPop.xps	rundll32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Program Files\FormatCompare.jpg	rundll32.exe
File opened for modification	C:\Program Files\UnlockTrace.vsx	rundll32.exe
File opened for modification	C:\Program Files\AssertUnblock.7z	rundll32.exe
File opened for modification	C:\Program Files\SubmitPush.mid	rundll32.exe
File opened for modification	C:\Program Files\UseRevoke.scf	rundll32.exe
File opened for modification	C:\Program Files\ApproveMount.AAC	rundll32.exe
File opened for modification	C:\Program Files\CheckpointInvoke.xla	rundll32.exe
File opened for modification	C:\Program Files\FindDisconnect.wmf	rundll32.exe
File opened for modification	C:\Program Files\SetUse.docm	rundll32.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	rundll32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6cfb0ccf3daff8a6.tmp	rundll32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt	rundll32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6cfb0ccf3daff8a6.tmp	rundll32.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-1-5-21-1400429095-533421673-2598934218-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	rundll32.exe

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\MountRead.tiff => C:\Users\Admin\Pictures\MountRead.tiff.gBtpP6	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\RedoUnprotect.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\RedoUnprotect.tiff => C:\Users\Admin\Pictures\RedoUnprotect.tiff.WCkm3i	rundll32.exe
File renamed	C:\Users\Admin\Pictures\WatchLock.tiff => C:\Users\Admin\Pictures\WatchLock.tiff.ha1wD1	rundll32.exe
File renamed	C:\Users\Admin\Pictures\GetLimit.png => C:\Users\Admin\Pictures\GetLimit.png.nE9CA	rundll32.exe
File renamed	C:\Users\Admin\Pictures\JoinDisconnect.tif => C:\Users\Admin\Pictures\JoinDisconnect.tif.gBtpP6	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\MountRead.tiff	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeBackup.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\RevokeBackup.tiff => C:\Users\Admin\Pictures\RevokeBackup.tiff.Fg9GLN	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\WatchLock.tiff	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\InstallBackup.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\InstallBackup.tiff => C:\Users\Admin\Pictures\InstallBackup.tiff.gBtpP6	rundll32.exe
File renamed	C:\Users\Admin\Pictures\PopSwitch.crw => C:\Users\Admin\Pictures\PopSwitch.crw.WCkm3i	rundll32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 540	424	rundll32.exe	66
PID 424 wrote to memory of 540	424	rundll32.exe	66
PID 424 wrote to memory of 540	424	rundll32.exe	66
PID 540 wrote to memory of 3928	540	rundll32.exe	73
PID 540 wrote to memory of 3928	540	rundll32.exe	73

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	rundll32.exe
540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeBackupPrivilege	816	vssvc.exe
Token: SeRestorePrivilege	816	vssvc.exe
Token: SeAuditPrivilege	816	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3928	wmic.exe
Token: SeSecurityPrivilege	3928	wmic.exe
Token: SeTakeOwnershipPrivilege	3928	wmic.exe
Token: SeLoadDriverPrivilege	3928	wmic.exe
Token: SeSystemProfilePrivilege	3928	wmic.exe
Token: SeSystemtimePrivilege	3928	wmic.exe
Token: SeProfSingleProcessPrivilege	3928	wmic.exe
Token: SeIncBasePriorityPrivilege	3928	wmic.exe
Token: SeCreatePagefilePrivilege	3928	wmic.exe
Token: SeBackupPrivilege	3928	wmic.exe
Token: SeRestorePrivilege	3928	wmic.exe
Token: SeShutdownPrivilege	3928	wmic.exe
Token: SeDebugPrivilege	3928	wmic.exe
Token: SeSystemEnvironmentPrivilege	3928	wmic.exe
Token: SeRemoteShutdownPrivilege	3928	wmic.exe
Token: SeUndockPrivilege	3928	wmic.exe
Token: SeManageVolumePrivilege	3928	wmic.exe
Token: 33	3928	wmic.exe
Token: 34	3928	wmic.exe
Token: 35	3928	wmic.exe
Token: 36	3928	wmic.exe
Token: SeIncreaseQuotaPrivilege	3928	wmic.exe
Token: SeSecurityPrivilege	3928	wmic.exe
Token: SeTakeOwnershipPrivilege	3928	wmic.exe
Token: SeLoadDriverPrivilege	3928	wmic.exe
Token: SeSystemProfilePrivilege	3928	wmic.exe
Token: SeSystemtimePrivilege	3928	wmic.exe
Token: SeProfSingleProcessPrivilege	3928	wmic.exe
Token: SeIncBasePriorityPrivilege	3928	wmic.exe
Token: SeCreatePagefilePrivilege	3928	wmic.exe
Token: SeBackupPrivilege	3928	wmic.exe
Token: SeRestorePrivilege	3928	wmic.exe
Token: SeShutdownPrivilege	3928	wmic.exe
Token: SeDebugPrivilege	3928	wmic.exe
Token: SeSystemEnvironmentPrivilege	3928	wmic.exe
Token: SeRemoteShutdownPrivilege	3928	wmic.exe
Token: SeUndockPrivilege	3928	wmic.exe
Token: SeManageVolumePrivilege	3928	wmic.exe
Token: 33	3928	wmic.exe
Token: 34	3928	wmic.exe
Token: 35	3928	wmic.exe
Token: 36	3928	wmic.exe

Maze
Ransomware family also known as ChaCha.
trojan ransomware maze
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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\53bba522663285740d740031f1878f7a4886b582ebcdbddc043afcd0dca70028.dll,#1
  2⤵
  - Drops file in Program Files directory
  - Drops startup file
  - Sets desktop wallpaper using registry
  - Modifies extensions of user files
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: EnumeratesProcesses
  PID:540
- - C:\Windows\system32\wbem\wmic.exe
    "C:\umfla\cphi\yur\..\..\..\Windows\uw\yoont\pig\..\..\..\system32\wed\..\wbem\hmoq\j\oujr\..\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3928

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:816

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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