maze | 4d98e0b246a514cf89ff635364fc157541be08641838cf238bd7ed91274739f3

Analysis

max time kernel
158s
max time network
141s
platform
windows7_x64
resource
win7-en-20211208
submitted
16-02-2022 23:02

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General

Target

4d98e0b246a514cf89ff635364fc157541be08641838cf238bd7ed91274739f3.dll
Size

592KB
MD5

8d90060c1cf2c468f89d2a856d657333
SHA1

6f332535573d4d14d92b5cb92068f1c595a9bdd4
SHA256

4d98e0b246a514cf89ff635364fc157541be08641838cf238bd7ed91274739f3
SHA512

4b9a3fe3488503f70f28abf04152c5014d6d1fdf7d831854bb419d77530f2785a355b61dbaa87d7b25c912b41d5880c49e6059726aab722504bb195e606b5c12

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/6d570cc8d7c4a76 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/6d570cc8d7c4a76 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--- 6sqsL5OPxt4/qPRgU45aneMN1Mh5aK3vekh5sN903TYaMQ48So7QkOfXizXqG7usOI6KhZap+GO45RDSc+8ZEV6/aBH/OMSocRw+i7DOgqYUpTKiTCKpUUm0OubxjsIns4hc0i2n7RwSYNobOU8CzjV0j5CceFk11hHByUwRHJZSPqpRKmkaJKbNhEkyM0Zq0maXIZfIdGsqhekCA0HMD8j1XE7I7zmANQnP9TAs5CAuumnL0nkC/wdjB63RQaEwdD5/lt5Aec4pkmMWxJ7BLdoRE2I8Ew2gEL4kcIyk2978ef45wsWCVhGH2OrNMcCAWNCyTvtgZI5iPS+R9m21UVIZn8AC/k1RCptojBlSDtGhUre8dQicWs/nvkHtGJjArzmKaZHaRoTkKet9GSsus24B2SgLmYvLEgd4K9ETSPB+pBAQBg5x25FuzNEvVHhl2poF3DuCLXYRKzsW6rPyezf+CGVE8HtXWtoqLEjOTQhYKiYhmqkm5mLV38vRjJ766vIWxLejXT4buYQaPXGMnpJfHLVIS25esf/4jjQ35tnYDVFMqPIuqgN1A+WHnbRyJlpyFGNQXoxdwNf1a0/g3mApJ47mlfz7sKc9mtO5+V7X09g0esqr99MaXrKWit1EV+s0hnlYHkW3rfPjo6dg7W091oLHnhD3HGhobahvJc708KVuWMzmTrCuKVA2vYVhUKbgwCxToRcL/Xr4TlF5vFptzdUwnes6cAY9mSKAuzIEB7ovdy+2xAy64wU4IjhgFQDvy4RbvV4/xeq+ABGNWKIhkXgvGyadQqA8GOrV/cbOJapk9ciXbJchziftDMtuFRjVruOXFkA77jxq43G8E5m8y+Qv+oPSscQ99UiQR3yVC2DvmtdCbI9t8NGsPxNtqdFLEpoB8PH8oN2KIOdVqIwYpIWnTV24SH3PUyuHELCpz9RZt8f/UT5lhC41Zx0MwRDcGssMX5nKrtFslnjJ/uZooc+ITpQMwCqh9MEoYrzmmi2t2dcXtzuIqmK9OdSU9PtK2VIRMiGcw6XNo/ui/XKTo2RfwSDyU6N3dtz0VFpXFxp+LxtgFUQ2hXB0yUz8VQwv5IDqxNQg9oWZwQV9INiYbKAbTMvZQTxYkSpZWzUUWVb+GsGaG3PFmMxBdjkoqLoD15szZ1LB28A15MrRK9znuQ+q7XgX41cqQdM5/7bYRVJ9QQrZEyaqmIwCdlld8mHALLWzEY6w577UnG/uYGF9yqRucQALWoIGgv7qh4BbQnn6ZiSgj0o36O8tqWlTrd7uTqyAHbtCptFQl4ihi6jDA03mzmp96i8L8Vj43cKfQgtkiAz00MsbeyFm5h4BfJM+wXNdfaQDJXVlENLfajzgaQ4qmVXRUlILUtW9BW54QrMAcnUCyL9LwKKt9/B+o2p/yBSaSB3DDiiVcAYeWq4Q+hp6fyvHFPIq4WeJpSFKGQsRWckqr91tB+hC1ijUpssNPRq9sQmDQGXidlS9v5KN8P3wIxm8//tT3JFvpQfgvNg5T2KwjWTJ/EWpRCTgCI4BRQA6h3m97miwhcRFVarllNSugiYO+VgQilxdemutfI/Pakq6OSFddza6+CPPvegpZKE26AFCSBYY/GLwH8kxtg4v/PT8abgWLrFsaUNVGRVPHcoln2bdKtg3l0ErRROypPxejPhDJnjwFu2rdIGcjqeblV2Ox3kRv95XANTiAjLMjt4qqQalGDHY/7737WtGYLZ6FwzJ2C9Eziy0BXRyBxZC6jnFKnJLMcGEl3FPWh+wuAdmimPQOWKboKZmk2rZ1iOWjnU5lf+NwWtKfTOAEonXyxIeziZvAfDyM3Q7m1adHRAx+446Ni4jr74RqmIIBJ2MMYuiM9yRyezBCE9YlmZOlNGfxzu0Q+mt+bVlBGA5l3nv+onixKoPCmbDteoGJPHMAthbhQMkNCFcUGQSBtzv7KPV9vS7ulay2D9mflV2lnN2pBn/dUm3YViU4fBDsZkHmgN/+yNXx82KQQBskNGCfNVcuk8D8XPDBwJ2Q0wPh4qGVyNEHiBgeRfuGr++R/QwdkW1ZDLMsZr/tlQzJv1ZI/mf+tzSmk1TIuVD6Qxrd+xUiZDGm/uKt14SQ+ISO8Gs6ltOTajUL7BAP/SVFEaHmTMiBQMMyQqNvdAYNXy9LwcvMOCEvBRxvlAYHSwFtlmUCtz+p6kt9x+KJ2cC5QRiPT/0VeGLxz3V21JgwEX+9zKdFgguf3Q+Dhvi6WOgOAogNgBkADUANwAwAGMAYwA4AGQANwBjADQAYQA3ADYAAAAQgGAaDEEAZABtAGkAbgAAACImVwBPAFIASwBHAFIATwBVAFAAXABWAFEAVgBWAE8AQQBKAEsAAAAqDG4AbwBuAGUAfAAAADImVwBpAG4AZABvAHcAcwAgADcAIABVAGwAdABpAG0AYQB0AGUAAAA6KHwAZABlAHAAcgBlAGMAYQB0AGUAZAAgAD4AIAB2ADIALgAzAHwAAABCNnwAQwBfAEYAXwAyADAANAA3ADkALwAyADYAMQA4ADQAMQB8AEQAXwBVAF8AMAAvADAAfAAAAEgAUEBYiQhgiQhoiQhw9P3Ye3gKgAEBigEFMi4zLjI= ---END MAZE KEY---

URLs

http://aoacugmutagkwctu.onion/6d570cc8d7c4a76

https://mazedecrypt.top/6d570cc8d7c4a76

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 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\ShowGrant.tiff => C:\Users\Admin\Pictures\ShowGrant.tiff.8xuc	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\StopSet.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\StopSet.tiff => C:\Users\Admin\Pictures\StopSet.tiff.8xuc	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateGet.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UpdateGet.tiff => C:\Users\Admin\Pictures\UpdateGet.tiff.aBBA	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\MountGrant.raw => C:\Users\Admin\Pictures\MountGrant.raw.iRqE1OH	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\ShowGrant.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnblockExit.tif => C:\Users\Admin\Pictures\UnblockExit.tif.aBBA	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ExpandGet.png => C:\Users\Admin\Pictures\ExpandGet.png.6wBfU1P	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\PushUnregister.raw => C:\Users\Admin\Pictures\PushUnregister.raw.8xuc	regsvr32.exe

Drops startup file 2 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\6d570cc8d7c4a76.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-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 47 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\6d570cc8d7c4a76.tmp	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc8d7c4a76.tmp	regsvr32.exe
File opened for modification	C:\Program Files\ConvertToNew.TS	regsvr32.exe
File opened for modification	C:\Program Files\CopyConfirm.mov	regsvr32.exe
File opened for modification	C:\Program Files\ImportGet.ps1	regsvr32.exe
File opened for modification	C:\Program Files\InvokeUpdate.dotx	regsvr32.exe
File opened for modification	C:\Program Files\RevokeDebug.rtf	regsvr32.exe
File opened for modification	C:\Program Files\SubmitTest.mpg	regsvr32.exe
File opened for modification	C:\Program Files\DisconnectRemove.xsl	regsvr32.exe
File opened for modification	C:\Program Files\FormatExpand.xps	regsvr32.exe
File opened for modification	C:\Program Files\GetEnable.mpp	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\CheckpointSubmit.docx	regsvr32.exe
File opened for modification	C:\Program Files\MountNew.mpg	regsvr32.exe
File opened for modification	C:\Program Files\PingPush.svgz	regsvr32.exe
File opened for modification	C:\Program Files\RemoveInitialize.ppt	regsvr32.exe
File opened for modification	C:\Program Files\StartDisconnect.7z	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc8d7c4a76.tmp	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\ClosePush.M2TS	regsvr32.exe
File opened for modification	C:\Program Files\ResetRevoke.asf	regsvr32.exe
File opened for modification	C:\Program Files\ResetUninstall.ttc	regsvr32.exe
File opened for modification	C:\Program Files\UnprotectExit.reg	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\6d570cc8d7c4a76.tmp	regsvr32.exe
File opened for modification	C:\Program Files\CompleteCheckpoint.pptm	regsvr32.exe
File opened for modification	C:\Program Files\RestoreWait.cab	regsvr32.exe
File opened for modification	C:\Program Files\UnlockClear.wps	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc8d7c4a76.tmp	regsvr32.exe
File opened for modification	C:\Program Files\AddInitialize.mpeg3	regsvr32.exe
File opened for modification	C:\Program Files\CompareStep.ps1	regsvr32.exe
File opened for modification	C:\Program Files\EditSwitch.ttf	regsvr32.exe
File opened for modification	C:\Program Files\GroupResume.js	regsvr32.exe
File opened for modification	C:\Program Files\WatchDeny.cmd	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\ResetDebug.ex_	regsvr32.exe
File opened for modification	C:\Program Files\ResolveRequest.ods	regsvr32.exe
File opened for modification	C:\Program Files\ConvertEdit.jfif	regsvr32.exe
File opened for modification	C:\Program Files\ConvertToSync.pptm	regsvr32.exe
File opened for modification	C:\Program Files\InstallShow.htm	regsvr32.exe
File opened for modification	C:\Program Files\PopOut.vssm	regsvr32.exe
File opened for modification	C:\Program Files\RedoSplit.TTS	regsvr32.exe
File opened for modification	C:\Program Files\RequestPublish.gif	regsvr32.exe
File opened for modification	C:\Program Files\NewBlock.xml	regsvr32.exe
File opened for modification	C:\Program Files\StepRestore.odt	regsvr32.exe
File opened for modification	C:\Program Files\UnlockBlock.easmx	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1504	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeBackupPrivilege	1560	vssvc.exe
Token: SeRestorePrivilege	1560	vssvc.exe
Token: SeAuditPrivilege	1560	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1736	wmic.exe
Token: SeSecurityPrivilege	1736	wmic.exe
Token: SeTakeOwnershipPrivilege	1736	wmic.exe
Token: SeLoadDriverPrivilege	1736	wmic.exe
Token: SeSystemProfilePrivilege	1736	wmic.exe
Token: SeSystemtimePrivilege	1736	wmic.exe
Token: SeProfSingleProcessPrivilege	1736	wmic.exe
Token: SeIncBasePriorityPrivilege	1736	wmic.exe
Token: SeCreatePagefilePrivilege	1736	wmic.exe
Token: SeBackupPrivilege	1736	wmic.exe
Token: SeRestorePrivilege	1736	wmic.exe
Token: SeShutdownPrivilege	1736	wmic.exe
Token: SeDebugPrivilege	1736	wmic.exe
Token: SeSystemEnvironmentPrivilege	1736	wmic.exe
Token: SeRemoteShutdownPrivilege	1736	wmic.exe
Token: SeUndockPrivilege	1736	wmic.exe
Token: SeManageVolumePrivilege	1736	wmic.exe
Token: 33	1736	wmic.exe
Token: 34	1736	wmic.exe
Token: 35	1736	wmic.exe
Token: SeIncreaseQuotaPrivilege	1736	wmic.exe
Token: SeSecurityPrivilege	1736	wmic.exe
Token: SeTakeOwnershipPrivilege	1736	wmic.exe
Token: SeLoadDriverPrivilege	1736	wmic.exe
Token: SeSystemProfilePrivilege	1736	wmic.exe
Token: SeSystemtimePrivilege	1736	wmic.exe
Token: SeProfSingleProcessPrivilege	1736	wmic.exe
Token: SeIncBasePriorityPrivilege	1736	wmic.exe
Token: SeCreatePagefilePrivilege	1736	wmic.exe
Token: SeBackupPrivilege	1736	wmic.exe
Token: SeRestorePrivilege	1736	wmic.exe
Token: SeShutdownPrivilege	1736	wmic.exe
Token: SeDebugPrivilege	1736	wmic.exe
Token: SeSystemEnvironmentPrivilege	1736	wmic.exe
Token: SeRemoteShutdownPrivilege	1736	wmic.exe
Token: SeUndockPrivilege	1736	wmic.exe
Token: SeManageVolumePrivilege	1736	wmic.exe
Token: 33	1736	wmic.exe
Token: 34	1736	wmic.exe
Token: 35	1736	wmic.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1704 wrote to memory of 1504	1704	regsvr32.exe	27
PID 1504 wrote to memory of 1736	1504	regsvr32.exe	34
PID 1504 wrote to memory of 1736	1504	regsvr32.exe	34
PID 1504 wrote to memory of 1736	1504	regsvr32.exe	34
PID 1504 wrote to memory of 1736	1504	regsvr32.exe	34

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4d98e0b246a514cf89ff635364fc157541be08641838cf238bd7ed91274739f3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4d98e0b246a514cf89ff635364fc157541be08641838cf238bd7ed91274739f3.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:1504
- - C:\Windows\system32\wbem\wmic.exe
    "C:\caad\numuy\rbf\..\..\..\Windows\quors\e\pe\..\..\..\system32\w\..\wbem\hdm\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1736

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1560

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
PID:1588

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x560
1⤵
PID:1316

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

Replay Monitor

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Downloads

memory/1504-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1504-56-0x00000000003D0000-0x000000000042D000-memory.dmp

Filesize
372KB

Download
memory/1504-57-0x0000000000800000-0x000000000085D000-memory.dmp

Filesize
372KB

Download
memory/1504-61-0x0000000000801000-0x0000000000839000-memory.dmp

Filesize
224KB

Download
memory/1704-54-0x000007FEFB771000-0x000007FEFB773000-memory.dmp

Filesize
8KB

Download