maze | d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c

Analysis

max time kernel
167s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
16-02-2022 22:37

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General

Target

d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c.exe
Size

462KB
MD5

d552be44a11d831e874e05cadafe04b6
SHA1

55462f391a8d0ece3d2649bf3fa4514a86679460
SHA256

d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c
SHA512

889ebc5b4e4b0ce1b4027e42dda5bd0c4c1e552b544bb56219a57936b3636006de518aca7e985ed2aee322788378e431d51bc9ba03cfe48e83d29e1a939b1272

Score

10^/10

maze ransomware trojan

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note

Attention! ---------------------------- | What happened? ---------------------------- 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 have a chance! It is easy to recover in a few steps. ---------------------------- | How to get my files back? ---------------------------- The only method to restore your files 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/875c098370a426d3 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/875c098370a426d3 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 on your computer! If you have any problems our friendly support team is always here to assist you in a live chat! ------------------------------------------------------------------------------- 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/875c098370a426d3

https://mazedecrypt.top/875c098370a426d3

Signatures

Maze
Ransomware family also known as ChaCha.
trojan ransomware maze

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.055127"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897012848198094"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.522854"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c.exe
2400	d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeBackupPrivilege	2500	vssvc.exe
Token: SeRestorePrivilege	2500	vssvc.exe
Token: SeAuditPrivilege	2500	vssvc.exe
Token: SeSecurityPrivilege	3852	TiWorker.exe
Token: SeRestorePrivilege	3852	TiWorker.exe
Token: SeBackupPrivilege	3852	TiWorker.exe
Token: SeBackupPrivilege	3852	TiWorker.exe
Token: SeRestorePrivilege	3852	TiWorker.exe
Token: SeSecurityPrivilege	3852	TiWorker.exe
Token: SeBackupPrivilege	3852	TiWorker.exe
Token: SeRestorePrivilege	3852	TiWorker.exe
Token: SeSecurityPrivilege	3852	TiWorker.exe
Token: SeBackupPrivilege	3852	TiWorker.exe
Token: SeRestorePrivilege	3852	TiWorker.exe
Token: SeSecurityPrivilege	3852	TiWorker.exe
Token: SeBackupPrivilege	3852	TiWorker.exe
Token: SeRestorePrivilege	3852	TiWorker.exe
Token: SeSecurityPrivilege	3852	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c.exe
"C:\Users\Admin\AppData\Local\Temp\d728fb57f8f70fa1fe24c616c5c9ff72242b152bc85de1dbe1d46623b0556b1c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2400

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2328

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1776

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2400-133-0x0000000002790000-0x00000000027EA000-memory.dmp

Filesize
360KB

Download
memory/2400-134-0x00000000028F0000-0x000000000294C000-memory.dmp

Filesize
368KB

Download
memory/2400-138-0x00000000028F1000-0x0000000002928000-memory.dmp

Filesize
220KB

Download