Analysis
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max time kernel
159s -
max time network
166s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe
Resource
win10v2004-en-20220113
General
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Target
9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe
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Size
399KB
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MD5
72d5ded255dd69daf06eae70f97bc0a5
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SHA1
a1dc2e2872abfcc3a7803d227da79c191e703f25
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SHA256
9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597
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SHA512
121d8ccc7835583d36dd6955c0972ca72851528d8d1e668c999d06f19a92eab889114a633752a63fec5499120487e43b009964e620b62b7459088915eec50e4d
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/892e099cd68b4c98
https://mazedecrypt.top/892e099cd68b4c98
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 11 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ConnectInvoke.tiff => C:\Users\Admin\Pictures\ConnectInvoke.tiff.vrYNxu7 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\ConvertFromUse.png => C:\Users\Admin\Pictures\ConvertFromUse.png.vrYNxu7 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\ExpandConvertTo.png => C:\Users\Admin\Pictures\ExpandConvertTo.png.a9t8tMC 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\NewSuspend.tif => C:\Users\Admin\Pictures\NewSuspend.tif.a9t8tMC 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\ResumeBackup.tif => C:\Users\Admin\Pictures\ResumeBackup.tif.bWCdbq2 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\CheckpointPush.raw => C:\Users\Admin\Pictures\CheckpointPush.raw.vrYNxu7 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Users\Admin\Pictures\ConnectInvoke.tiff 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\ExitWait.crw => C:\Users\Admin\Pictures\ExitWait.crw.xi9Oyx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\SetMerge.crw => C:\Users\Admin\Pictures\SetMerge.crw.r4E6 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\SyncRestore.tif => C:\Users\Admin\Pictures\SyncRestore.tif.r4E6 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File renamed C:\Users\Admin\Pictures\TestCopy.crw => C:\Users\Admin\Pictures\TestCopy.crw.mXOxJ 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.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 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.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" 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe -
Drops file in Program Files directory 45 IoCs
description ioc Process File opened for modification C:\Program Files\RequestLimit.edrwx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\TraceSync.search-ms 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\MountOpen.xltx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\HideWrite.bat 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\InitializeSwitch.ttc 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\LockRedo.pptm 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ResolveConvert.docm 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ResolveSwitch.ppt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\AddReset.au 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RequestFind.3gpp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\PopRead.pot 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\PushSearch.rtf 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ReceiveConvertFrom.wax 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ResumeSend.temp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ApproveFormat.vst 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\DisableRename.potm 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\EnableRequest.wma 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\FormatRestart.WTV 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\MoveSend.001 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\CompleteFormat.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\AssertExpand.wma 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\CheckpointRepair.xml 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\DenyExit.emf 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ExitSearch.html 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ExpandCheckpoint.ods 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\MoveMeasure.css 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RestartCompare.wax 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RestartConvertFrom.raw 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files (x86)\892e099cd68b4c98.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\LimitEnable.rle 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\MeasureDisable.mpp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\PublishOpen.ppsm 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RequestTrace.jpe 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RevokePublish.potx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SwitchCompare.tiff 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\InitializeUnregister.wma 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1608 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeBackupPrivilege 548 vssvc.exe Token: SeRestorePrivilege 548 vssvc.exe Token: SeAuditPrivilege 548 vssvc.exe Token: SeIncreaseQuotaPrivilege 1588 wmic.exe Token: SeSecurityPrivilege 1588 wmic.exe Token: SeTakeOwnershipPrivilege 1588 wmic.exe Token: SeLoadDriverPrivilege 1588 wmic.exe Token: SeSystemProfilePrivilege 1588 wmic.exe Token: SeSystemtimePrivilege 1588 wmic.exe Token: SeProfSingleProcessPrivilege 1588 wmic.exe Token: SeIncBasePriorityPrivilege 1588 wmic.exe Token: SeCreatePagefilePrivilege 1588 wmic.exe Token: SeBackupPrivilege 1588 wmic.exe Token: SeRestorePrivilege 1588 wmic.exe Token: SeShutdownPrivilege 1588 wmic.exe Token: SeDebugPrivilege 1588 wmic.exe Token: SeSystemEnvironmentPrivilege 1588 wmic.exe Token: SeRemoteShutdownPrivilege 1588 wmic.exe Token: SeUndockPrivilege 1588 wmic.exe Token: SeManageVolumePrivilege 1588 wmic.exe Token: 33 1588 wmic.exe Token: 34 1588 wmic.exe Token: 35 1588 wmic.exe Token: SeIncreaseQuotaPrivilege 1588 wmic.exe Token: SeSecurityPrivilege 1588 wmic.exe Token: SeTakeOwnershipPrivilege 1588 wmic.exe Token: SeLoadDriverPrivilege 1588 wmic.exe Token: SeSystemProfilePrivilege 1588 wmic.exe Token: SeSystemtimePrivilege 1588 wmic.exe Token: SeProfSingleProcessPrivilege 1588 wmic.exe Token: SeIncBasePriorityPrivilege 1588 wmic.exe Token: SeCreatePagefilePrivilege 1588 wmic.exe Token: SeBackupPrivilege 1588 wmic.exe Token: SeRestorePrivilege 1588 wmic.exe Token: SeShutdownPrivilege 1588 wmic.exe Token: SeDebugPrivilege 1588 wmic.exe Token: SeSystemEnvironmentPrivilege 1588 wmic.exe Token: SeRemoteShutdownPrivilege 1588 wmic.exe Token: SeUndockPrivilege 1588 wmic.exe Token: SeManageVolumePrivilege 1588 wmic.exe Token: 33 1588 wmic.exe Token: 34 1588 wmic.exe Token: 35 1588 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1608 wrote to memory of 1588 1608 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe 35 PID 1608 wrote to memory of 1588 1608 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe 35 PID 1608 wrote to memory of 1588 1608 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe 35 PID 1608 wrote to memory of 1588 1608 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe"C:\Users\Admin\AppData\Local\Temp\9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.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:1608 -
C:\Windows\system32\wbem\wmic.exe"C:\b\f\hjlq\..\..\..\Windows\rf\..\system32\vdfqu\knma\sf\..\..\..\wbem\gom\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1588
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:548
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1624