Analysis
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max time kernel
140s -
max time network
146s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
24-06-2020 14:44
Static task
static1
Behavioral task
behavioral1
Sample
f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe
Resource
win7
Behavioral task
behavioral2
Sample
f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe
Resource
win10v200430
General
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Target
f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe
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Size
365KB
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MD5
979723e1ba053b0c3470314471ab99d3
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SHA1
847f098bb3f7a6747acb28ebfa2b8491134b6f6c
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SHA256
f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956
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SHA512
a0a51bf6d9941c0ae9cfd917b84c509bd72c6c6f86281ee4f0fde52c5cd331a5e05414685f6f868037206410e054a1e10879a06f416dff96d1f3d770bd196a8b
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/896209a675ffc94e
https://mazedecrypt.top/896209a675ffc94e
Signatures
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2040 f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe 2040 f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeBackupPrivilege 2492 vssvc.exe Token: SeRestorePrivilege 2492 vssvc.exe Token: SeAuditPrivilege 2492 vssvc.exe Token: SeIncreaseQuotaPrivilege 3988 wmic.exe Token: SeSecurityPrivilege 3988 wmic.exe Token: SeTakeOwnershipPrivilege 3988 wmic.exe Token: SeLoadDriverPrivilege 3988 wmic.exe Token: SeSystemProfilePrivilege 3988 wmic.exe Token: SeSystemtimePrivilege 3988 wmic.exe Token: SeProfSingleProcessPrivilege 3988 wmic.exe Token: SeIncBasePriorityPrivilege 3988 wmic.exe Token: SeCreatePagefilePrivilege 3988 wmic.exe Token: SeBackupPrivilege 3988 wmic.exe Token: SeRestorePrivilege 3988 wmic.exe Token: SeShutdownPrivilege 3988 wmic.exe Token: SeDebugPrivilege 3988 wmic.exe Token: SeSystemEnvironmentPrivilege 3988 wmic.exe Token: SeRemoteShutdownPrivilege 3988 wmic.exe Token: SeUndockPrivilege 3988 wmic.exe Token: SeManageVolumePrivilege 3988 wmic.exe Token: 33 3988 wmic.exe Token: 34 3988 wmic.exe Token: 35 3988 wmic.exe Token: 36 3988 wmic.exe Token: SeIncreaseQuotaPrivilege 3988 wmic.exe Token: SeSecurityPrivilege 3988 wmic.exe Token: SeTakeOwnershipPrivilege 3988 wmic.exe Token: SeLoadDriverPrivilege 3988 wmic.exe Token: SeSystemProfilePrivilege 3988 wmic.exe Token: SeSystemtimePrivilege 3988 wmic.exe Token: SeProfSingleProcessPrivilege 3988 wmic.exe Token: SeIncBasePriorityPrivilege 3988 wmic.exe Token: SeCreatePagefilePrivilege 3988 wmic.exe Token: SeBackupPrivilege 3988 wmic.exe Token: SeRestorePrivilege 3988 wmic.exe Token: SeShutdownPrivilege 3988 wmic.exe Token: SeDebugPrivilege 3988 wmic.exe Token: SeSystemEnvironmentPrivilege 3988 wmic.exe Token: SeRemoteShutdownPrivilege 3988 wmic.exe Token: SeUndockPrivilege 3988 wmic.exe Token: SeManageVolumePrivilege 3988 wmic.exe Token: 33 3988 wmic.exe Token: 34 3988 wmic.exe Token: 35 3988 wmic.exe Token: 36 3988 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2040 wrote to memory of 3988 2040 f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe 77 PID 2040 wrote to memory of 3988 2040 f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe 77 -
Drops file in Program Files directory 35 IoCs
description ioc Process File opened for modification C:\Program Files\896209a675ffc94e.tmp f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\AssertSync.clr f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\CheckpointSubmit.cmd f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ResumeUnprotect.eprtx f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\UninstallConvertFrom.mpg f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\UpdateHide.wmx f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\UseConvertTo.mpp f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File created C:\Program Files\DECRYPT-FILES.txt f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\DismountUnregister.htm f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\RedoHide.otf f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ResizeLock.ppsm f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ResetBlock.ps1 f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\AssertUnpublish.vsw f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ClearPing.txt f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\EnterLimit.contact f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\GroupRevoke.potx f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\WaitStart.m4a f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\AddResolve.raw f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ConvertPop.htm f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\SelectUnpublish.eps f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\SubmitConvertTo.wma f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\DisconnectOut.ods f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ResizeSync.ex_ f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\ResumeCompress.shtml f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\StopPing.wma f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\UnprotectGet.m1v f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\HideComplete.docx f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\JoinRead.nfo f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\RegisterCheckpoint.snd f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\UnprotectCheckpoint.gif f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\CheckpointSelect.ppsm f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\GroupSubmit.pot f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files\OutSubmit.bin f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Program Files (x86)\896209a675ffc94e.tmp f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\896209a675ffc94e.tmp f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\896209a675ffc94e.tmp f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.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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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies service 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe -
Maze
Ransomware family also known as ChaCha.
Processes
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C:\Users\Admin\AppData\Local\Temp\f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe"C:\Users\Admin\AppData\Local\Temp\f03172bd32ed16df6dda8e8146d24b073b864da59d669218fcc5e97835a5e956.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Drops file in Program Files directory
- Sets desktop wallpaper using registry
- Drops startup file
PID:2040 -
C:\Windows\system32\wbem\wmic.exe"C:\alkh\kcp\am\..\..\..\Windows\keaq\vjgww\..\..\system32\sg\..\wbem\chw\o\p\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3988
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:2492