Analysis
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max time kernel
163s -
max time network
174s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
31-08-2021 08:05
Static task
static1
Behavioral task
behavioral1
Sample
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe
Resource
win7v20210408
General
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Target
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe
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Size
364KB
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MD5
064058cf092063a5b69ed8fd2a1a04fe
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SHA1
92b44e52f13bcb097f412a6a61bdc46ac19584c6
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SHA256
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063
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SHA512
19ed838eadbd23c17ec751cb4ed03059629f3fc64bc6225d23dc471a7c5b4d6223b9f27e5942a3dcff8776eef9b573bceb7748596d1715aaa23dbb614201e2af
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6ad50ca1cd614942
https://mazedecrypt.top/6ad50ca1cd614942
Signatures
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Maze
Ransomware family also known as ChaCha.
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suricata: ET MALWARE Maze/ID Ransomware Activity
suricata: ET MALWARE Maze/ID Ransomware Activity
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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 9 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exedescription ioc Process File renamed C:\Users\Admin\Pictures\PingCompress.png => C:\Users\Admin\Pictures\PingCompress.png.DJuQPx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\UnpublishInstall.crw => C:\Users\Admin\Pictures\UnpublishInstall.crw.zGBJ3w 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\InvokeDismount.crw => C:\Users\Admin\Pictures\InvokeDismount.crw.jcwOA 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\MountUpdate.png => C:\Users\Admin\Pictures\MountUpdate.png.DJuQPx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\MoveCompare.tif => C:\Users\Admin\Pictures\MoveCompare.tif.DJuQPx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Users\Admin\Pictures\RestorePublish.tiff 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\RestorePublish.tiff => C:\Users\Admin\Pictures\RestorePublish.tiff.zGBJ3w 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\StepClose.tif => C:\Users\Admin\Pictures\StepClose.tif.zGBJ3w 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File renamed C:\Users\Admin\Pictures\ApproveHide.crw => C:\Users\Admin\Pictures\ApproveHide.crw.AvNzj 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe -
Drops startup file 4 IoCs
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6ad50ca1cd614942.tmp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ad50ca1cd614942.tmp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.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
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe -
Drops file in Program Files directory 37 IoCs
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exedescription ioc Process File opened for modification C:\Program Files\GetOut.vsx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SelectUnlock.xltx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\UseResume.m1v 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files (x86)\6ad50ca1cd614942.tmp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File created C:\Program Files\DECRYPT-FILES.txt 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\LimitSync.midi 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SelectEdit.mid 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SendClear.xltm 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\WaitUndo.ico 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\RedoUninstall.xltx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\RestoreUse.MOD 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\6ad50ca1cd614942.tmp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\CompleteUnpublish.vssm 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\FindAdd.wm 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\FindAssert.vsw 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\MoveEdit.mpeg3 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\OutCompress.jfif 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SearchLimit.vbe 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\UpdateConvert.pdf 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\RestoreClose.xlsb 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SuspendMount.pptm 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\DebugStep.3gp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\HideRestart.tif 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\UnblockInvoke.temp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\UnlockOpen.bmp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\ExportMount.pot 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\ReceiveConvertTo.wmf 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\SkipRename.ocx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\TraceSet.wmf 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\MeasureUnlock.asf 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\RequestConvert.dwg 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\ExitTest.mpp 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\ImportJoin.ico 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\InitializeRemove.txt 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\ShowSet.dotx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe File opened for modification C:\Program Files\UnregisterShow.dotx 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exepid Process 800 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe 800 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
vssvc.exewmic.exeAUDIODG.EXEdescription pid Process Token: SeBackupPrivilege 2776 vssvc.exe Token: SeRestorePrivilege 2776 vssvc.exe Token: SeAuditPrivilege 2776 vssvc.exe Token: SeIncreaseQuotaPrivilege 3688 wmic.exe Token: SeSecurityPrivilege 3688 wmic.exe Token: SeTakeOwnershipPrivilege 3688 wmic.exe Token: SeLoadDriverPrivilege 3688 wmic.exe Token: SeSystemProfilePrivilege 3688 wmic.exe Token: SeSystemtimePrivilege 3688 wmic.exe Token: SeProfSingleProcessPrivilege 3688 wmic.exe Token: SeIncBasePriorityPrivilege 3688 wmic.exe Token: SeCreatePagefilePrivilege 3688 wmic.exe Token: SeBackupPrivilege 3688 wmic.exe Token: SeRestorePrivilege 3688 wmic.exe Token: SeShutdownPrivilege 3688 wmic.exe Token: SeDebugPrivilege 3688 wmic.exe Token: SeSystemEnvironmentPrivilege 3688 wmic.exe Token: SeRemoteShutdownPrivilege 3688 wmic.exe Token: SeUndockPrivilege 3688 wmic.exe Token: SeManageVolumePrivilege 3688 wmic.exe Token: 33 3688 wmic.exe Token: 34 3688 wmic.exe Token: 35 3688 wmic.exe Token: 36 3688 wmic.exe Token: SeIncreaseQuotaPrivilege 3688 wmic.exe Token: SeSecurityPrivilege 3688 wmic.exe Token: SeTakeOwnershipPrivilege 3688 wmic.exe Token: SeLoadDriverPrivilege 3688 wmic.exe Token: SeSystemProfilePrivilege 3688 wmic.exe Token: SeSystemtimePrivilege 3688 wmic.exe Token: SeProfSingleProcessPrivilege 3688 wmic.exe Token: SeIncBasePriorityPrivilege 3688 wmic.exe Token: SeCreatePagefilePrivilege 3688 wmic.exe Token: SeBackupPrivilege 3688 wmic.exe Token: SeRestorePrivilege 3688 wmic.exe Token: SeShutdownPrivilege 3688 wmic.exe Token: SeDebugPrivilege 3688 wmic.exe Token: SeSystemEnvironmentPrivilege 3688 wmic.exe Token: SeRemoteShutdownPrivilege 3688 wmic.exe Token: SeUndockPrivilege 3688 wmic.exe Token: SeManageVolumePrivilege 3688 wmic.exe Token: 33 3688 wmic.exe Token: 34 3688 wmic.exe Token: 35 3688 wmic.exe Token: 36 3688 wmic.exe Token: 33 3864 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3864 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exedescription pid Process procid_target PID 800 wrote to memory of 3688 800 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe 79 PID 800 wrote to memory of 3688 800 24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.exe"C:\Users\Admin\AppData\Local\Temp\24da3ccf131b8236d3c4a8cc29482709531232ef9c9cba38266b908439dea063.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:800 -
C:\Windows\system32\wbem\wmic.exe"C:\mi\gk\..\..\Windows\yfr\fp\ycx\..\..\..\system32\y\hhhp\opyr\..\..\..\wbem\nn\udo\i\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3d81⤵
- Suspicious use of AdjustPrivilegeToken
PID:3864