Analysis
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max time kernel
143s -
max time network
162s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 22:35
Static task
static1
Behavioral task
behavioral1
Sample
e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe
Resource
win10v2004-en-20220112
General
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Target
e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe
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Size
359KB
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MD5
89e1ddb8cc86c710ee068d6c6bf300f4
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SHA1
6b4896a66dbecc1576434f25220cfa54015d1b9f
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SHA256
e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80
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SHA512
6d55f431d4081af6700c8717cd2529eddde551eae191cb2dbd31c9baec8a5f576b86affa73a305164aa7fdf7b8913d75d35b2a6e6d1ddc9ffede74a47a89a591
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/892e099cfec68267
https://mazedecrypt.top/892e099cfec68267
Signatures
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Maze
Ransomware family also known as ChaCha.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\FormatProtect.tif => C:\Users\Admin\Pictures\FormatProtect.tif.0tRZP e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File renamed C:\Users\Admin\Pictures\FormatSplit.crw => C:\Users\Admin\Pictures\FormatSplit.crw.0tRZP e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File renamed C:\Users\Admin\Pictures\SwitchConvert.raw => C:\Users\Admin\Pictures\SwitchConvert.raw.3Y2fLx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File renamed C:\Users\Admin\Pictures\UnpublishReset.raw => C:\Users\Admin\Pictures\UnpublishReset.raw.3Y2fLx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.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 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe -
Reads user/profile data of web browsers 2 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-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe -
Drops file in Program Files directory 40 IoCs
description ioc Process File opened for modification C:\Program Files\ExitWait.wm e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\MountRepair.wmf e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\PingConnect.3gpp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\PublishInvoke.edrwx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\RevokeExport.vdw e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SplitRename.m4v e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\DisconnectRename.jtx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\DismountConnect.dib e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\LockCompress.html e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\ResumeDisconnect.ttc e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SendMount.vssx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\ProtectLimit.sql e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SplitUndo.MTS e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\UpdateRevoke.png e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\AssertApprove.pps e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\BackupSubmit.html e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\MergeGroup.3gp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\TraceDisconnect.dib e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File created C:\Program Files\DECRYPT-FILES.txt e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\ExitUse.vsdx e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\ExportCopy.asf e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SetSwitch.clr e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\WaitNew.mpp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\UnlockSync.jpeg e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\WaitReceive.pps e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\WriteRequest.cfg e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SetSend.ps1 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files (x86)\dmlx3.tmp e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\EditNew.tif e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\FormatSync.mpv2 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\MoveLimit.php e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe File opened for modification C:\Program Files\SubmitWatch.mpeg3 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1712 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeBackupPrivilege 696 vssvc.exe Token: SeRestorePrivilege 696 vssvc.exe Token: SeAuditPrivilege 696 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 4 IoCs
description pid Process procid_target PID 1712 wrote to memory of 1736 1712 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe 32 PID 1712 wrote to memory of 1736 1712 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe 32 PID 1712 wrote to memory of 1736 1712 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe 32 PID 1712 wrote to memory of 1736 1712 e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe"C:\Users\Admin\AppData\Local\Temp\e35ffe111c62d9b05048518659b2b462d8124691bf63b8c34513ec4433d21d80.exe"1⤵
- 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:1712 -
C:\Windows\system32\wbem\wmic.exe"C:\cpmgu\..\Windows\b\tw\un\..\..\..\system32\a\..\wbem\um\h\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:696
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1296