Analysis
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max time kernel
48s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2025, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
Maze.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Maze.exe
Resource
win10v2004-20250314-en
General
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Target
Maze.exe
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Size
364KB
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MD5
b93616a1ea4f4a131cc0507e6c789f94
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SHA1
0b97455143e682e818fc4a9b615f57349dc84894
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SHA256
2a6c602769ac15bd837f9ff390acc443d023ee62f76e1be8236dd2dd957eef3d
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SHA512
e6b8e4009ee946514c0a177838b1094b70fe84d8e4511e8ab9bca4180b0bf4cc5bf2ef563fb7efabd6cc91d758ed2e910f501081a72aaa9581d17ece780b70ad
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SSDEEP
6144:jx0s5c9jrLrLrLZMEQ9V6wZqEZw0eNsd19pV50DEreNg/ydlb4fQ6wFMvM:9MAwmMD/Ng6dNoQl+v
Malware Config
Extracted
C:\$Recycle.Bin\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6b150ca3cdcb840f
https://mazedecrypt.top/6b150ca3cdcb840f
Signatures
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Maze
Ransomware family also known as ChaCha.
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Maze family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt Maze.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6b150ca3cdcb840f.tmp Maze.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt Maze.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6b150ca3cdcb840f.tmp Maze.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" Maze.exe -
Drops file in Program Files directory 17 IoCs
description ioc Process File opened for modification C:\Program Files\ImportCopy.TS Maze.exe File opened for modification C:\Program Files\JoinStart.pptm Maze.exe File opened for modification C:\Program Files\RequestOut.vbe Maze.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt Maze.exe File created C:\Program Files\DECRYPT-FILES.txt Maze.exe File opened for modification C:\Program Files\MergeCompress.txt Maze.exe File opened for modification C:\Program Files\ReceiveNew.clr Maze.exe File opened for modification C:\Program Files\ResetConnect.ogg Maze.exe File opened for modification C:\Program Files\6b150ca3cdcb840f.tmp Maze.exe File opened for modification C:\Program Files\chrome_installer.log Maze.exe File opened for modification C:\Program Files\PushConvert.jpeg Maze.exe File opened for modification C:\Program Files\RegisterFormat.ttc Maze.exe File opened for modification C:\Program Files (x86)\6b150ca3cdcb840f.tmp Maze.exe File opened for modification C:\Program Files\ConvertFromUse.xltx Maze.exe File opened for modification C:\Program Files\InitializeSwitch.pdf Maze.exe File opened for modification C:\Program Files\msedge_installer.log Maze.exe File opened for modification C:\Program Files\UnpublishStart.scf Maze.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Maze.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5516 Maze.exe 5516 Maze.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeBackupPrivilege 5180 vssvc.exe Token: SeRestorePrivilege 5180 vssvc.exe Token: SeAuditPrivilege 5180 vssvc.exe Token: SeIncreaseQuotaPrivilege 3432 wmic.exe Token: SeSecurityPrivilege 3432 wmic.exe Token: SeTakeOwnershipPrivilege 3432 wmic.exe Token: SeLoadDriverPrivilege 3432 wmic.exe Token: SeSystemProfilePrivilege 3432 wmic.exe Token: SeSystemtimePrivilege 3432 wmic.exe Token: SeProfSingleProcessPrivilege 3432 wmic.exe Token: SeIncBasePriorityPrivilege 3432 wmic.exe Token: SeCreatePagefilePrivilege 3432 wmic.exe Token: SeBackupPrivilege 3432 wmic.exe Token: SeRestorePrivilege 3432 wmic.exe Token: SeShutdownPrivilege 3432 wmic.exe Token: SeDebugPrivilege 3432 wmic.exe Token: SeSystemEnvironmentPrivilege 3432 wmic.exe Token: SeRemoteShutdownPrivilege 3432 wmic.exe Token: SeUndockPrivilege 3432 wmic.exe Token: SeManageVolumePrivilege 3432 wmic.exe Token: 33 3432 wmic.exe Token: 34 3432 wmic.exe Token: 35 3432 wmic.exe Token: 36 3432 wmic.exe Token: SeIncreaseQuotaPrivilege 3432 wmic.exe Token: SeSecurityPrivilege 3432 wmic.exe Token: SeTakeOwnershipPrivilege 3432 wmic.exe Token: SeLoadDriverPrivilege 3432 wmic.exe Token: SeSystemProfilePrivilege 3432 wmic.exe Token: SeSystemtimePrivilege 3432 wmic.exe Token: SeProfSingleProcessPrivilege 3432 wmic.exe Token: SeIncBasePriorityPrivilege 3432 wmic.exe Token: SeCreatePagefilePrivilege 3432 wmic.exe Token: SeBackupPrivilege 3432 wmic.exe Token: SeRestorePrivilege 3432 wmic.exe Token: SeShutdownPrivilege 3432 wmic.exe Token: SeDebugPrivilege 3432 wmic.exe Token: SeSystemEnvironmentPrivilege 3432 wmic.exe Token: SeRemoteShutdownPrivilege 3432 wmic.exe Token: SeUndockPrivilege 3432 wmic.exe Token: SeManageVolumePrivilege 3432 wmic.exe Token: 33 3432 wmic.exe Token: 34 3432 wmic.exe Token: 35 3432 wmic.exe Token: 36 3432 wmic.exe Token: 33 4244 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4244 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2828 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5516 wrote to memory of 3432 5516 Maze.exe 94 PID 5516 wrote to memory of 3432 5516 Maze.exe 94 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Maze.exe"C:\Users\Admin\AppData\Local\Temp\Maze.exe"1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5516 -
C:\Windows\system32\wbem\wmic.exe"C:\kjeq\vcjjx\..\..\Windows\vpxk\cs\cbuo\..\..\..\system32\okxo\..\wbem\cpmi\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5180
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\DECRYPT-FILES.txt1⤵
- Suspicious use of FindShellTrayWindow
PID:2828
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3d4 0x3dc1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4244
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD570aa76ee516954df855aee88702d0451
SHA189bc4d47906e4ee541288a5025863dc4f15824c0
SHA2562139f49fc404073fd14c6b3ae410ae5dd374731c309b54b7cf7b58b9d3e53538
SHA512cbd42dd8735136a67bc16cf723b22c4aecaa928cc5a38f282db41cff273c18d721f4eaf790650ac7ad3f745f4fd6ccfb323a4cd08c4047d310d2721d769b3fdc
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C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_4E26797C21FD4F37BB1C41C3B135FFCD.dat
Filesize940B
MD583d523d32055491673a3e35721d084df
SHA18a42332c8bdeac55c4e4ae6389f3c6be00915ad5
SHA256072a63dbfd1326e4f871ab50bf86d29cee304b5841db941a97c2894637aaf874
SHA512e4b8a3c6a4d92687d2660bedfb44c20dfb428db34344f44b8c17627636ee6ee9330ed317847017dcb7b0291f9e144b8bf4a92bb7a26adc03c10724f827750f0f