maze | fb71eaae22e6d93286d10228fc08229b1edf805e5817f698accfe2ec18968458

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
01-02-2022 08:44

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General

Target

fb71eaae22e6d93286d10228fc08229b1edf805e5817f698accfe2ec18968458.dll
Size

458KB
MD5

ea7bb99e03606702c1cbe543bb32b27e
SHA1

85e38cc3b78cbb92ade81721d8cec0cb6c34f3b5
SHA256

fb71eaae22e6d93286d10228fc08229b1edf805e5817f698accfe2ec18968458
SHA512

77ef0498a18d8762852d6fa0a27784aef20e2a784d1923f73cda2a742dd94e5efd63e8e9d34d02f2ac9a9a119de03b1030cee2cd33ac50ff03b682ed414178b9

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/6c610cc59c4b880d 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/6c610cc59c4b880d 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/6c610cc59c4b880d

https://mazedecrypt.top/6c610cc59c4b880d

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 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

regsvr32.exe

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\CompareWait.crw => C:\Users\Admin\Pictures\CompareWait.crw.xFIRiz	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\CompleteResolve.tif => C:\Users\Admin\Pictures\CompleteResolve.tif.xFIRiz	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ExportOpen.tif => C:\Users\Admin\Pictures\ExportOpen.tif.xFIRiz	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\FormatLock.crw => C:\Users\Admin\Pictures\FormatLock.crw.xFIRiz	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\OpenUnpublish.raw => C:\Users\Admin\Pictures\OpenUnpublish.raw.IugLWTs	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ResolveEnable.png => C:\Users\Admin\Pictures\ResolveEnable.png.b8zAQ0T	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnprotectRead.png => C:\Users\Admin\Pictures\UnprotectRead.png.Dhz8e	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\CheckpointDismount.raw => C:\Users\Admin\Pictures\CheckpointDismount.raw.TBWAD	regsvr32.exe

Drops startup file 2 IoCs

Processes:

regsvr32.exe

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\6c610cc59c4b880d.tmp	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 29 IoCs

Processes:

regsvr32.exe

description	ioc	Process
File opened for modification	C:\Program Files\CloseUse.mpeg2	regsvr32.exe
File opened for modification	C:\Program Files\DebugStep.vdx	regsvr32.exe
File opened for modification	C:\Program Files\TestExit.bmp	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6c610cc59c4b880d.tmp	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\ExitImport.txt	regsvr32.exe
File opened for modification	C:\Program Files\GroupNew.m4v	regsvr32.exe
File opened for modification	C:\Program Files\RestoreJoin.xml	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\OpenSplit.tmp	regsvr32.exe
File opened for modification	C:\Program Files\PingComplete.asx	regsvr32.exe
File opened for modification	C:\Program Files\StopShow.ps1xml	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6c610cc59c4b880d.tmp	regsvr32.exe
File opened for modification	C:\Program Files\6c610cc59c4b880d.tmp	regsvr32.exe
File opened for modification	C:\Program Files\UnlockDeny.wps	regsvr32.exe
File opened for modification	C:\Program Files\WatchCheckpoint.001	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\FindGrant.mpp	regsvr32.exe
File opened for modification	C:\Program Files\ResumeExpand.bat	regsvr32.exe
File opened for modification	C:\Program Files\SendRemove.js	regsvr32.exe
File opened for modification	C:\Program Files\UnpublishEnable.mov	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6c610cc59c4b880d.tmp	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\ConnectMerge.rm	regsvr32.exe
File opened for modification	C:\Program Files\TracePublish.gif	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6c610cc59c4b880d.tmp	regsvr32.exe
File opened for modification	C:\Program Files\CompareMount.wav	regsvr32.exe
File opened for modification	C:\Program Files\TraceRepair.mov	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regsvr32.exe

pid	Process
1736	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

vssvc.exewmic.exe

description	pid	Process
Token: SeBackupPrivilege	1040	vssvc.exe
Token: SeRestorePrivilege	1040	vssvc.exe
Token: SeAuditPrivilege	1040	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1564	wmic.exe
Token: SeSecurityPrivilege	1564	wmic.exe
Token: SeTakeOwnershipPrivilege	1564	wmic.exe
Token: SeLoadDriverPrivilege	1564	wmic.exe
Token: SeSystemProfilePrivilege	1564	wmic.exe
Token: SeSystemtimePrivilege	1564	wmic.exe
Token: SeProfSingleProcessPrivilege	1564	wmic.exe
Token: SeIncBasePriorityPrivilege	1564	wmic.exe
Token: SeCreatePagefilePrivilege	1564	wmic.exe
Token: SeBackupPrivilege	1564	wmic.exe
Token: SeRestorePrivilege	1564	wmic.exe
Token: SeShutdownPrivilege	1564	wmic.exe
Token: SeDebugPrivilege	1564	wmic.exe
Token: SeSystemEnvironmentPrivilege	1564	wmic.exe
Token: SeRemoteShutdownPrivilege	1564	wmic.exe
Token: SeUndockPrivilege	1564	wmic.exe
Token: SeManageVolumePrivilege	1564	wmic.exe
Token: 33	1564	wmic.exe
Token: 34	1564	wmic.exe
Token: 35	1564	wmic.exe
Token: SeIncreaseQuotaPrivilege	1564	wmic.exe
Token: SeSecurityPrivilege	1564	wmic.exe
Token: SeTakeOwnershipPrivilege	1564	wmic.exe
Token: SeLoadDriverPrivilege	1564	wmic.exe
Token: SeSystemProfilePrivilege	1564	wmic.exe
Token: SeSystemtimePrivilege	1564	wmic.exe
Token: SeProfSingleProcessPrivilege	1564	wmic.exe
Token: SeIncBasePriorityPrivilege	1564	wmic.exe
Token: SeCreatePagefilePrivilege	1564	wmic.exe
Token: SeBackupPrivilege	1564	wmic.exe
Token: SeRestorePrivilege	1564	wmic.exe
Token: SeShutdownPrivilege	1564	wmic.exe
Token: SeDebugPrivilege	1564	wmic.exe
Token: SeSystemEnvironmentPrivilege	1564	wmic.exe
Token: SeRemoteShutdownPrivilege	1564	wmic.exe
Token: SeUndockPrivilege	1564	wmic.exe
Token: SeManageVolumePrivilege	1564	wmic.exe
Token: 33	1564	wmic.exe
Token: 34	1564	wmic.exe
Token: 35	1564	wmic.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	Process	procid_target
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1804 wrote to memory of 1736	1804	regsvr32.exe	27
PID 1736 wrote to memory of 1564	1736	regsvr32.exe	32
PID 1736 wrote to memory of 1564	1736	regsvr32.exe	32
PID 1736 wrote to memory of 1564	1736	regsvr32.exe	32
PID 1736 wrote to memory of 1564	1736	regsvr32.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fb71eaae22e6d93286d10228fc08229b1edf805e5817f698accfe2ec18968458.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fb71eaae22e6d93286d10228fc08229b1edf805e5817f698accfe2ec18968458.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:1736
- - C:\Windows\system32\wbem\wmic.exe
    "C:\igjkf\v\dg\..\..\..\Windows\pnv\..\system32\djvj\..\wbem\rg\l\oymih\..\..\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1564

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1040

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1100

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/1736-56-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1736-58-0x00000000009A0000-0x00000000009FE000-memory.dmp

Filesize
376KB

Download
memory/1736-57-0x00000000009A1000-0x00000000009DA000-memory.dmp

Filesize
228KB

Download
memory/1736-61-0x00000000009A0000-0x00000000009FE000-memory.dmp

Filesize
376KB

Download
memory/1736-62-0x0000000000940000-0x00000000009C0000-memory.dmp

Filesize
512KB

Download
memory/1804-55-0x000007FEFBD71000-0x000007FEFBD73000-memory.dmp

Filesize
8KB

Download