Analysis
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max time kernel
160s -
max time network
181s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 22:39
Static task
static1
Behavioral task
behavioral1
Sample
c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe
Resource
win10v2004-en-20220113
General
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Target
c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe
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Size
234KB
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MD5
c1ee7d8dfa37e1a7b2963cda88935d86
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SHA1
1466ada5ada91b7f4be369685a5d0d7e641b1ad5
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SHA256
c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326
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SHA512
9ec887c3b412818fd7349737efa32fbafaff5ed300ef591ead2eae225338887e3ee214a7ac404b8701442190ad93a8a338e805b80fec8a7d5b50773ca32f21c3
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6d570cc87eaca12a
https://mazedecrypt.top/6d570cc87eaca12a
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 6 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ConvertFromStop.raw => C:\Users\Admin\Pictures\ConvertFromStop.raw.O3xg6 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File renamed C:\Users\Admin\Pictures\InitializeProtect.crw => C:\Users\Admin\Pictures\InitializeProtect.crw.O3xg6 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File renamed C:\Users\Admin\Pictures\InstallDisconnect.raw => C:\Users\Admin\Pictures\InstallDisconnect.raw.CcIRg7 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File renamed C:\Users\Admin\Pictures\RequestDisable.tif => C:\Users\Admin\Pictures\RequestDisable.tif.CcIRg7 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File renamed C:\Users\Admin\Pictures\SearchGrant.tif => C:\Users\Admin\Pictures\SearchGrant.tif.SsF2fQH c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File renamed C:\Users\Admin\Pictures\SendComplete.png => C:\Users\Admin\Pictures\SendComplete.png.SsF2fQH c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.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 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.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" c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe -
Drops file in Program Files directory 24 IoCs
description ioc Process File opened for modification C:\Program Files\InvokeConnect.vst c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\OpenExport.3gpp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\ResolveUnlock.dwg c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\TraceEdit.mpeg2 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files (x86)\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\ConvertToSuspend.css c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\PublishTrace.fon c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\SendJoin.odt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\DebugDeny.ttc c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\RequestRestart.001 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\UnlockWrite.TTS c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File created C:\Program Files\DECRYPT-FILES.txt c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\ClearSwitch.sql c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\MountUpdate.kix c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\RedoUndo.asp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files\TraceDisconnect.aiff c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\6d570cc87eaca12a.tmp c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 628 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeBackupPrivilege 564 vssvc.exe Token: SeRestorePrivilege 564 vssvc.exe Token: SeAuditPrivilege 564 vssvc.exe Token: SeIncreaseQuotaPrivilege 1068 wmic.exe Token: SeSecurityPrivilege 1068 wmic.exe Token: SeTakeOwnershipPrivilege 1068 wmic.exe Token: SeLoadDriverPrivilege 1068 wmic.exe Token: SeSystemProfilePrivilege 1068 wmic.exe Token: SeSystemtimePrivilege 1068 wmic.exe Token: SeProfSingleProcessPrivilege 1068 wmic.exe Token: SeIncBasePriorityPrivilege 1068 wmic.exe Token: SeCreatePagefilePrivilege 1068 wmic.exe Token: SeBackupPrivilege 1068 wmic.exe Token: SeRestorePrivilege 1068 wmic.exe Token: SeShutdownPrivilege 1068 wmic.exe Token: SeDebugPrivilege 1068 wmic.exe Token: SeSystemEnvironmentPrivilege 1068 wmic.exe Token: SeRemoteShutdownPrivilege 1068 wmic.exe Token: SeUndockPrivilege 1068 wmic.exe Token: SeManageVolumePrivilege 1068 wmic.exe Token: 33 1068 wmic.exe Token: 34 1068 wmic.exe Token: 35 1068 wmic.exe Token: SeIncreaseQuotaPrivilege 1068 wmic.exe Token: SeSecurityPrivilege 1068 wmic.exe Token: SeTakeOwnershipPrivilege 1068 wmic.exe Token: SeLoadDriverPrivilege 1068 wmic.exe Token: SeSystemProfilePrivilege 1068 wmic.exe Token: SeSystemtimePrivilege 1068 wmic.exe Token: SeProfSingleProcessPrivilege 1068 wmic.exe Token: SeIncBasePriorityPrivilege 1068 wmic.exe Token: SeCreatePagefilePrivilege 1068 wmic.exe Token: SeBackupPrivilege 1068 wmic.exe Token: SeRestorePrivilege 1068 wmic.exe Token: SeShutdownPrivilege 1068 wmic.exe Token: SeDebugPrivilege 1068 wmic.exe Token: SeSystemEnvironmentPrivilege 1068 wmic.exe Token: SeRemoteShutdownPrivilege 1068 wmic.exe Token: SeUndockPrivilege 1068 wmic.exe Token: SeManageVolumePrivilege 1068 wmic.exe Token: 33 1068 wmic.exe Token: 34 1068 wmic.exe Token: 35 1068 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 628 wrote to memory of 1068 628 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe 33 PID 628 wrote to memory of 1068 628 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe 33 PID 628 wrote to memory of 1068 628 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe 33 PID 628 wrote to memory of 1068 628 c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.exe"C:\Users\Admin\AppData\Local\Temp\c4329600329d3a3d75710f1d1006d45ca54fd362e86e26eba475724e113a1326.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:628 -
C:\Windows\system32\wbem\wmic.exe"C:\fl\..\Windows\jergc\..\system32\qsw\..\wbem\tyv\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1068
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:564
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1560