Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2025, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
Maze.exe
Resource
win7-20241010-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/6aeb0c9a421f0686
https://mazedecrypt.top/6aeb0c9a421f0686
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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6aeb0c9a421f0686.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\6aeb0c9a421f0686.tmp Maze.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" Maze.exe -
Drops file in Program Files directory 35 IoCs
description ioc Process File opened for modification C:\Program Files\WatchEdit.dotm Maze.exe File opened for modification C:\Program Files\DisablePublish.mht Maze.exe File opened for modification C:\Program Files\EnterSend.mhtml Maze.exe File opened for modification C:\Program Files\ExportSelect.rmi Maze.exe File opened for modification C:\Program Files\GrantExpand.WTV Maze.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt Maze.exe File opened for modification C:\Program Files\TraceTest.snd Maze.exe File opened for modification C:\Program Files\PingUpdate.ps1 Maze.exe File opened for modification C:\Program Files\RepairConnect.bat Maze.exe File opened for modification C:\Program Files\SkipInitialize.3gp2 Maze.exe File opened for modification C:\Program Files\6aeb0c9a421f0686.tmp Maze.exe File opened for modification C:\Program Files\AddRemove.tif Maze.exe File opened for modification C:\Program Files\chrome_installer.log Maze.exe File opened for modification C:\Program Files\FindAssert.vssx Maze.exe File opened for modification C:\Program Files\InitializeFind.asx Maze.exe File opened for modification C:\Program Files\InstallUpdate.ps1 Maze.exe File opened for modification C:\Program Files\LimitClear.dib Maze.exe File opened for modification C:\Program Files\msedge_installer.log Maze.exe File opened for modification C:\Program Files\InvokeDisconnect.xlsm Maze.exe File opened for modification C:\Program Files\PopSelect.pot Maze.exe File opened for modification C:\Program Files\PushExport.MOD Maze.exe File opened for modification C:\Program Files\SetConvert.rtf Maze.exe File opened for modification C:\Program Files\SyncWrite.vbs Maze.exe File opened for modification C:\Program Files\ShowBackup.wax Maze.exe File opened for modification C:\Program Files\StopUnregister.cab Maze.exe File opened for modification C:\Program Files\TestUnpublish.wax Maze.exe File created C:\Program Files\DECRYPT-FILES.txt Maze.exe File opened for modification C:\Program Files\ConvertRead.search-ms Maze.exe File opened for modification C:\Program Files\CopySelect.xltx Maze.exe File opened for modification C:\Program Files\InvokeGrant.potx Maze.exe File opened for modification C:\Program Files\SkipPop.gif Maze.exe File opened for modification C:\Program Files\StepWrite.html Maze.exe File opened for modification C:\Program Files\WatchFormat.tif Maze.exe File opened for modification C:\Program Files (x86)\6aeb0c9a421f0686.tmp Maze.exe File opened for modification C:\Program Files\UnregisterRevoke.edrwx 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 2200 Maze.exe 2200 Maze.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeBackupPrivilege 3492 vssvc.exe Token: SeRestorePrivilege 3492 vssvc.exe Token: SeAuditPrivilege 3492 vssvc.exe Token: SeIncreaseQuotaPrivilege 5596 wmic.exe Token: SeSecurityPrivilege 5596 wmic.exe Token: SeTakeOwnershipPrivilege 5596 wmic.exe Token: SeLoadDriverPrivilege 5596 wmic.exe Token: SeSystemProfilePrivilege 5596 wmic.exe Token: SeSystemtimePrivilege 5596 wmic.exe Token: SeProfSingleProcessPrivilege 5596 wmic.exe Token: SeIncBasePriorityPrivilege 5596 wmic.exe Token: SeCreatePagefilePrivilege 5596 wmic.exe Token: SeBackupPrivilege 5596 wmic.exe Token: SeRestorePrivilege 5596 wmic.exe Token: SeShutdownPrivilege 5596 wmic.exe Token: SeDebugPrivilege 5596 wmic.exe Token: SeSystemEnvironmentPrivilege 5596 wmic.exe Token: SeRemoteShutdownPrivilege 5596 wmic.exe Token: SeUndockPrivilege 5596 wmic.exe Token: SeManageVolumePrivilege 5596 wmic.exe Token: 33 5596 wmic.exe Token: 34 5596 wmic.exe Token: 35 5596 wmic.exe Token: 36 5596 wmic.exe Token: SeIncreaseQuotaPrivilege 5596 wmic.exe Token: SeSecurityPrivilege 5596 wmic.exe Token: SeTakeOwnershipPrivilege 5596 wmic.exe Token: SeLoadDriverPrivilege 5596 wmic.exe Token: SeSystemProfilePrivilege 5596 wmic.exe Token: SeSystemtimePrivilege 5596 wmic.exe Token: SeProfSingleProcessPrivilege 5596 wmic.exe Token: SeIncBasePriorityPrivilege 5596 wmic.exe Token: SeCreatePagefilePrivilege 5596 wmic.exe Token: SeBackupPrivilege 5596 wmic.exe Token: SeRestorePrivilege 5596 wmic.exe Token: SeShutdownPrivilege 5596 wmic.exe Token: SeDebugPrivilege 5596 wmic.exe Token: SeSystemEnvironmentPrivilege 5596 wmic.exe Token: SeRemoteShutdownPrivilege 5596 wmic.exe Token: SeUndockPrivilege 5596 wmic.exe Token: SeManageVolumePrivilege 5596 wmic.exe Token: 33 5596 wmic.exe Token: 34 5596 wmic.exe Token: 35 5596 wmic.exe Token: 36 5596 wmic.exe Token: 33 2408 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2408 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2200 wrote to memory of 5596 2200 Maze.exe 99 PID 2200 wrote to memory of 5596 2200 Maze.exe 99 -
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:2200 -
C:\Windows\system32\wbem\wmic.exe"C:\q\uqxs\tfasx\..\..\..\Windows\ykx\uo\..\..\system32\lgo\kk\..\..\wbem\q\rnmv\qcyg\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:5596
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x51c 0x5041⤵
- Suspicious use of AdjustPrivilegeToken
PID:2408
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD5ddedf95a6bbcfb54de0d991e0add670d
SHA177bffbba4c525bd7c726ae0d29069c02adfa8de2
SHA2562c37c0e03575489006f631b05e341ed689e61fd3246d20b90c01e08ead3c38c9
SHA5120f2c502d545bb9233fbb8d5a99e67e661c465cae360f14e6689fb3da6e58719ea15f67dd9a00eb68202e8d91a758b81a64e76ee66d038e23a22d47a8e7f325ab
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C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_DFBFFCB6E9E444A39254E6A56C2692FB.dat
Filesize940B
MD5154434cb040cf75eaebf6942ea6ce6ad
SHA1e8df0b3d662e6f69a3d2def70993a5e07148092b
SHA25615b0ccbecb2210ce118b444231a7e8f4768556a1d14f2fe0b4e6e542283e8e1e
SHA5120e591e7ddd35faef1c52ab86d5e641316a166c15875595b121254bd7de796b7116ba79e52afd3ffd262e3b290b5c075ca5ea724202c43554ebe7524b0181d665