maze | f5aaa96a1af8c7ebb2726109833da316f75f3917bf5e962fe8d8e6d906ac5e16

Analysis

max time kernel
158s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
16-02-2022 22:33

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General

Target

f5aaa96a1af8c7ebb2726109833da316f75f3917bf5e962fe8d8e6d906ac5e16.dll
Size

592KB
MD5

2b4576115b4c1ac7f457ab21e5ff6417
SHA1

963dce4df8be6bb4f254ab8c5820f4609c126071
SHA256

f5aaa96a1af8c7ebb2726109833da316f75f3917bf5e962fe8d8e6d906ac5e16
SHA512

d2623a527ad873dde9ae802ed0dd406f1aa5841dd4c6f6e145e4adb002e1d770fff36c234d96bf1c9a6ef57f6ec18d4572bc15e0f860f686cb0e325e3cb20e32

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/6c2b0cc8e0bfe6b5 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/6c2b0cc8e0bfe6b5 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/6c2b0cc8e0bfe6b5

https://mazedecrypt.top/6c2b0cc8e0bfe6b5

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 3 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\OutCheckpoint.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\OutCheckpoint.tiff => C:\Users\Admin\Pictures\OutCheckpoint.tiff.SLJgi	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnlockCompare.crw => C:\Users\Admin\Pictures\UnlockCompare.crw.iwRvQmU	regsvr32.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6c2b0cc8e0bfe6b5.tmp	regsvr32.exe
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\6c2b0cc8e0bfe6b5.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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\111.bmp"	regsvr32.exe

Drops file in Program Files directory 22 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\6c2b0cc8e0bfe6b5.tmp	regsvr32.exe
File opened for modification	C:\Program Files\LockMeasure.xla	regsvr32.exe
File opened for modification	C:\Program Files\RemoveHide.jpg	regsvr32.exe
File opened for modification	C:\Program Files\SyncRestore.lock	regsvr32.exe
File opened for modification	C:\Program Files\TraceDisconnect.xps	regsvr32.exe
File opened for modification	C:\Program Files\ConvertToInitialize.jpe	regsvr32.exe
File opened for modification	C:\Program Files\EditResize.DVR	regsvr32.exe
File opened for modification	C:\Program Files\ExportApprove.otf	regsvr32.exe
File opened for modification	C:\Program Files\MountBlock.jpeg	regsvr32.exe
File opened for modification	C:\Program Files\OpenClear.pub	regsvr32.exe
File opened for modification	C:\Program Files\SkipSwitch.edrwx	regsvr32.exe
File opened for modification	C:\Program Files\UseEnter.ocx	regsvr32.exe
File opened for modification	C:\Program Files\WatchUse.html	regsvr32.exe
File opened for modification	C:\Program Files (x86)\6c2b0cc8e0bfe6b5.tmp	regsvr32.exe
File created	C:\Program Files\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\MergeDeny.m3u	regsvr32.exe
File opened for modification	C:\Program Files\MountSave.MOD	regsvr32.exe
File opened for modification	C:\Program Files\RestartEnable.mpg	regsvr32.exe
File opened for modification	C:\Program Files\SuspendUnprotect.cmd	regsvr32.exe
File created	C:\Program Files (x86)\DECRYPT-FILES.txt	regsvr32.exe
File opened for modification	C:\Program Files\CompleteUndo.ttc	regsvr32.exe
File opened for modification	C:\Program Files\LimitPublish.php	regsvr32.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1860	regsvr32.exe
1860	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeBackupPrivilege	2508	vssvc.exe
Token: SeRestorePrivilege	2508	vssvc.exe
Token: SeAuditPrivilege	2508	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3080	wmic.exe
Token: SeSecurityPrivilege	3080	wmic.exe
Token: SeTakeOwnershipPrivilege	3080	wmic.exe
Token: SeLoadDriverPrivilege	3080	wmic.exe
Token: SeSystemProfilePrivilege	3080	wmic.exe
Token: SeSystemtimePrivilege	3080	wmic.exe
Token: SeProfSingleProcessPrivilege	3080	wmic.exe
Token: SeIncBasePriorityPrivilege	3080	wmic.exe
Token: SeCreatePagefilePrivilege	3080	wmic.exe
Token: SeBackupPrivilege	3080	wmic.exe
Token: SeRestorePrivilege	3080	wmic.exe
Token: SeShutdownPrivilege	3080	wmic.exe
Token: SeDebugPrivilege	3080	wmic.exe
Token: SeSystemEnvironmentPrivilege	3080	wmic.exe
Token: SeRemoteShutdownPrivilege	3080	wmic.exe
Token: SeUndockPrivilege	3080	wmic.exe
Token: SeManageVolumePrivilege	3080	wmic.exe
Token: 33	3080	wmic.exe
Token: 34	3080	wmic.exe
Token: 35	3080	wmic.exe
Token: 36	3080	wmic.exe
Token: SeIncreaseQuotaPrivilege	3080	wmic.exe
Token: SeSecurityPrivilege	3080	wmic.exe
Token: SeTakeOwnershipPrivilege	3080	wmic.exe
Token: SeLoadDriverPrivilege	3080	wmic.exe
Token: SeSystemProfilePrivilege	3080	wmic.exe
Token: SeSystemtimePrivilege	3080	wmic.exe
Token: SeProfSingleProcessPrivilege	3080	wmic.exe
Token: SeIncBasePriorityPrivilege	3080	wmic.exe
Token: SeCreatePagefilePrivilege	3080	wmic.exe
Token: SeBackupPrivilege	3080	wmic.exe
Token: SeRestorePrivilege	3080	wmic.exe
Token: SeShutdownPrivilege	3080	wmic.exe
Token: SeDebugPrivilege	3080	wmic.exe
Token: SeSystemEnvironmentPrivilege	3080	wmic.exe
Token: SeRemoteShutdownPrivilege	3080	wmic.exe
Token: SeUndockPrivilege	3080	wmic.exe
Token: SeManageVolumePrivilege	3080	wmic.exe
Token: 33	3080	wmic.exe
Token: 34	3080	wmic.exe
Token: 35	3080	wmic.exe
Token: 36	3080	wmic.exe
Token: SeShutdownPrivilege	4164	svchost.exe
Token: SeCreatePagefilePrivilege	4164	svchost.exe
Token: SeShutdownPrivilege	4164	svchost.exe
Token: SeCreatePagefilePrivilege	4164	svchost.exe
Token: SeShutdownPrivilege	4164	svchost.exe
Token: SeCreatePagefilePrivilege	4164	svchost.exe
Token: 33	4984	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4984	AUDIODG.EXE
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 1860	816	regsvr32.exe	82
PID 816 wrote to memory of 1860	816	regsvr32.exe	82
PID 816 wrote to memory of 1860	816	regsvr32.exe	82
PID 1860 wrote to memory of 3080	1860	regsvr32.exe	95
PID 1860 wrote to memory of 3080	1860	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f5aaa96a1af8c7ebb2726109833da316f75f3917bf5e962fe8d8e6d906ac5e16.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f5aaa96a1af8c7ebb2726109833da316f75f3917bf5e962fe8d8e6d906ac5e16.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:1860
- - C:\Windows\system32\wbem\wmic.exe
    "C:\bee\..\Windows\jk\..\system32\wno\..\wbem\g\..\wmic.exe" shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3080

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4164

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4a4 0x408
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4984

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:432

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/1860-130-0x0000000002CF0000-0x0000000002D4D000-memory.dmp

Filesize
372KB

Download
memory/1860-134-0x0000000002BF0000-0x0000000002C4D000-memory.dmp

Filesize
372KB

Download
memory/1860-135-0x0000000002CF1000-0x0000000002D29000-memory.dmp

Filesize
224KB

Download
memory/4164-136-0x0000012CE3390000-0x0000012CE33A0000-memory.dmp

Filesize
64KB

Download
memory/4164-137-0x0000012CE3920000-0x0000012CE3930000-memory.dmp

Filesize
64KB

Download
memory/4164-138-0x0000012CE6010000-0x0000012CE6014000-memory.dmp

Filesize
16KB

Download