Analysis
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max time kernel
184s -
max time network
197s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
16-02-2022 23:13
Static task
static1
Behavioral task
behavioral1
Sample
04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe
Resource
win10v2004-en-20220113
General
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Target
04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe
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Size
2.5MB
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MD5
54c9a5fc6149007e9b727fcccdafbbd4
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SHA1
503f44e1634b7cfad812c7be2a15f0fe4d9a1b58
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SHA256
04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e
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SHA512
d79c19c5ce44881790abdb1caf654286ab8eefc5e7baf2c9ff13a58a97a004713015ba1539819ace212e505227e2b11e503c7bd14aeaab013bc77557bb02943e
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/8802099c16c7c49d
https://mazedecrypt.top/8802099c16c7c49d
Signatures
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Maze
Ransomware family also known as ChaCha.
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Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8802099c16c7c49d.tmp 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8802099c16c7c49d.tmp 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files\DisableStop.mhtml 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\ExitTrace.jpeg 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\InitializeBlock.mp3 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\ProtectUpdate.ps1 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File created C:\Program Files\DECRYPT-FILES.txt 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\8802099c16c7c49d.tmp 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\CompleteGrant.vsdm 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\ConvertDisable.pptm 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\RenameCheckpoint.zip 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\WatchRemove.xla 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\WatchUnlock.AAC 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files (x86)\8802099c16c7c49d.tmp 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\PingNew.jpeg 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\SelectSync.fon 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\SendCopy.pptm 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\SyncInstall.png 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\WaitUndo.jpg 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\MountDeny.html 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\RevokeUpdate.mov 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\SubmitWait.tiff 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe File opened for modification C:\Program Files\TestAssert.m4a 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe -
Drops file in Windows directory 7 IoCs
description ioc Process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2104 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe 2104 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 4192 svchost.exe Token: SeCreatePagefilePrivilege 4192 svchost.exe Token: SeShutdownPrivilege 4192 svchost.exe Token: SeCreatePagefilePrivilege 4192 svchost.exe Token: SeShutdownPrivilege 4192 svchost.exe Token: SeCreatePagefilePrivilege 4192 svchost.exe Token: SeBackupPrivilege 4276 vssvc.exe Token: SeRestorePrivilege 4276 vssvc.exe Token: SeAuditPrivilege 4276 vssvc.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe"C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2104
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4192
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4276
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2116