Analysis
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max time kernel
173s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
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/8802099cee1d1277
https://mazedecrypt.top/8802099cee1d1277
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 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8802099cee1d1277.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8802099cee1d1277.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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Drops file in Program Files directory 18 IoCs
description ioc Process File created C:\Program Files\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\FormatRead.dxf 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RemoveWatch.mp3 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RevokePublish.vdx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\LimitNew.ex_ 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\RemoveJoin.vsw 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SelectEnable.easmx 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SendCheckpoint.wav 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SubmitMount.mp2v 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\8802099cee1d1277.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\MergeMove.svg 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\ResizeWrite.mpa 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SearchConnect.jpeg 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SendEnter.lock 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\GroupEdit.xhtml 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files\SyncClose.xml 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe File opened for modification C:\Program Files (x86)\8802099cee1d1277.tmp 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.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 60 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe 60 9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeBackupPrivilege 1556 vssvc.exe Token: SeRestorePrivilege 1556 vssvc.exe Token: SeAuditPrivilege 1556 vssvc.exe Token: SeShutdownPrivilege 2452 svchost.exe Token: SeCreatePagefilePrivilege 2452 svchost.exe Token: SeShutdownPrivilege 2452 svchost.exe Token: SeCreatePagefilePrivilege 2452 svchost.exe Token: SeShutdownPrivilege 2452 svchost.exe Token: SeCreatePagefilePrivilege 2452 svchost.exe Token: SeSecurityPrivilege 3588 TiWorker.exe Token: SeRestorePrivilege 3588 TiWorker.exe Token: SeBackupPrivilege 3588 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe"C:\Users\Admin\AppData\Local\Temp\9029a0acf20ac64175a0a30fd3d21ad858dacca021d424cf42a67bd1a27fc597.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:60
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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:2452
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1556
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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:3588