Analysis
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max time kernel
163s -
max time network
181s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 23:08
Static task
static1
Behavioral task
behavioral1
Sample
22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe
Resource
win10v2004-en-20220113
General
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Target
22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe
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Size
365KB
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MD5
ef95c48e750c1a3b1af8f5446fa04f54
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SHA1
8ea5950ffefa2b7193a40682513e80a28d743175
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SHA256
22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0
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SHA512
5d661b17bdfbbf40e5ead0cab9666ec94095d527d3d0c4b758670a00606f018867dc12d72cbf8e651db9c9f21849a88fe4666dff967bf436dfff8b2a574bc298
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/892e099c951f85bc
https://mazedecrypt.top/892e099c951f85bc
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\ExitWait.crw => C:\Users\Admin\Pictures\ExitWait.crw.x0eG 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\ExpandConvertTo.png => C:\Users\Admin\Pictures\ExpandConvertTo.png.IEZ4 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\ResumeBackup.tif => C:\Users\Admin\Pictures\ResumeBackup.tif.blNlG 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\SyncRestore.tif => C:\Users\Admin\Pictures\SyncRestore.tif.jgZVlX 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Users\Admin\Pictures\ConnectInvoke.tiff 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\ConnectInvoke.tiff => C:\Users\Admin\Pictures\ConnectInvoke.tiff.hv7ng1 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\ConvertFromUse.png => C:\Users\Admin\Pictures\ConvertFromUse.png.hv7ng1 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\NewSuspend.tif => C:\Users\Admin\Pictures\NewSuspend.tif.IEZ4 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\SetMerge.crw => C:\Users\Admin\Pictures\SetMerge.crw.tCYI9r 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\TestCopy.crw => C:\Users\Admin\Pictures\TestCopy.crw.jgZVlX 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File renamed C:\Users\Admin\Pictures\CheckpointPush.raw => C:\Users\Admin\Pictures\CheckpointPush.raw.rnhp6 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.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 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.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" 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe -
Drops file in Program Files directory 45 IoCs
description ioc Process File opened for modification C:\Program Files\AddReset.au 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\MoveSend.001 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ResumeSend.temp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\TraceSync.search-ms 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\EnableRequest.wma 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\FormatRestart.WTV 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\HideWrite.bat 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\InitializeSwitch.ttc 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\MountOpen.xltx 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\MoveMeasure.css 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\PopRead.pot 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ReceiveConvertFrom.wax 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ResolveConvert.docm 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RestartCompare.wax 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\CompleteFormat.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ExitSearch.html 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RevokePublish.potx 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\DECRYPT-FILES.txt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\DECRYPT-FILES.txt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\DenyExit.emf 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ExpandCheckpoint.ods 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\PublishOpen.ppsm 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files (x86)\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\LockRedo.pptm 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RequestFind.3gpp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RequestTrace.jpe 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\DECRYPT-FILES.txt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\CheckpointRepair.xml 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\InitializeUnregister.wma 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\LimitEnable.rle 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File created C:\Program Files\DECRYPT-FILES.txt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ApproveFormat.vst 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\AssertExpand.wma 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\DisableRename.potm 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\MeasureDisable.mpp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\PushSearch.rtf 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RequestLimit.edrwx 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\ResolveSwitch.ppt 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\RestartConvertFrom.raw 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files\SwitchCompare.tiff 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\892e099c951f85bc.tmp 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1548 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeBackupPrivilege 1076 vssvc.exe Token: SeRestorePrivilege 1076 vssvc.exe Token: SeAuditPrivilege 1076 vssvc.exe Token: SeIncreaseQuotaPrivilege 2016 wmic.exe Token: SeSecurityPrivilege 2016 wmic.exe Token: SeTakeOwnershipPrivilege 2016 wmic.exe Token: SeLoadDriverPrivilege 2016 wmic.exe Token: SeSystemProfilePrivilege 2016 wmic.exe Token: SeSystemtimePrivilege 2016 wmic.exe Token: SeProfSingleProcessPrivilege 2016 wmic.exe Token: SeIncBasePriorityPrivilege 2016 wmic.exe Token: SeCreatePagefilePrivilege 2016 wmic.exe Token: SeBackupPrivilege 2016 wmic.exe Token: SeRestorePrivilege 2016 wmic.exe Token: SeShutdownPrivilege 2016 wmic.exe Token: SeDebugPrivilege 2016 wmic.exe Token: SeSystemEnvironmentPrivilege 2016 wmic.exe Token: SeRemoteShutdownPrivilege 2016 wmic.exe Token: SeUndockPrivilege 2016 wmic.exe Token: SeManageVolumePrivilege 2016 wmic.exe Token: 33 2016 wmic.exe Token: 34 2016 wmic.exe Token: 35 2016 wmic.exe Token: SeIncreaseQuotaPrivilege 2016 wmic.exe Token: SeSecurityPrivilege 2016 wmic.exe Token: SeTakeOwnershipPrivilege 2016 wmic.exe Token: SeLoadDriverPrivilege 2016 wmic.exe Token: SeSystemProfilePrivilege 2016 wmic.exe Token: SeSystemtimePrivilege 2016 wmic.exe Token: SeProfSingleProcessPrivilege 2016 wmic.exe Token: SeIncBasePriorityPrivilege 2016 wmic.exe Token: SeCreatePagefilePrivilege 2016 wmic.exe Token: SeBackupPrivilege 2016 wmic.exe Token: SeRestorePrivilege 2016 wmic.exe Token: SeShutdownPrivilege 2016 wmic.exe Token: SeDebugPrivilege 2016 wmic.exe Token: SeSystemEnvironmentPrivilege 2016 wmic.exe Token: SeRemoteShutdownPrivilege 2016 wmic.exe Token: SeUndockPrivilege 2016 wmic.exe Token: SeManageVolumePrivilege 2016 wmic.exe Token: 33 2016 wmic.exe Token: 34 2016 wmic.exe Token: 35 2016 wmic.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1548 wrote to memory of 2016 1548 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe 35 PID 1548 wrote to memory of 2016 1548 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe 35 PID 1548 wrote to memory of 2016 1548 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe 35 PID 1548 wrote to memory of 2016 1548 22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.exe"C:\Users\Admin\AppData\Local\Temp\22ccc6a9a8834e08f190486524fb86b177f332b5835f4bd75f31b4b667271bb0.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:1548 -
C:\Windows\system32\wbem\wmic.exe"C:\ajqpk\..\Windows\dtox\oaoa\..\..\system32\rijci\wof\rmhli\..\..\..\wbem\hv\kqmsm\a\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1076
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵PID:1736