Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 09:38
Static task
static1
Behavioral task
behavioral1
Sample
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe
Resource
win10v2004-en-20220113
General
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Target
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe
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Size
80KB
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MD5
22632819c4c99dcbddfa629c6d0ec7ef
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SHA1
48c2bd530c57be4e9b364fa060e5aff4dadcd162
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SHA256
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96
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SHA512
3ce998328d3a927b33fbd8f960c7f02b1e007f8f6964eb51a3d41be329b318be896873278f090707adc1dbcbdd08caf3edcf47f358f9fbeac7d9515a6f591aaa
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4296 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exesvchost.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe Token: SeShutdownPrivilege 4472 svchost.exe Token: SeCreatePagefilePrivilege 4472 svchost.exe Token: SeShutdownPrivilege 4472 svchost.exe Token: SeCreatePagefilePrivilege 4472 svchost.exe Token: SeShutdownPrivilege 4472 svchost.exe Token: SeCreatePagefilePrivilege 4472 svchost.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe Token: SeBackupPrivilege 1096 TiWorker.exe Token: SeRestorePrivilege 1096 TiWorker.exe Token: SeSecurityPrivilege 1096 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.execmd.exedescription pid process target process PID 1876 wrote to memory of 4296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe MediaCenter.exe PID 1876 wrote to memory of 4296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe MediaCenter.exe PID 1876 wrote to memory of 4296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe MediaCenter.exe PID 1876 wrote to memory of 2296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe cmd.exe PID 1876 wrote to memory of 2296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe cmd.exe PID 1876 wrote to memory of 2296 1876 09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe cmd.exe PID 2296 wrote to memory of 3652 2296 cmd.exe PING.EXE PID 2296 wrote to memory of 3652 2296 cmd.exe PING.EXE PID 2296 wrote to memory of 3652 2296 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe"C:\Users\Admin\AppData\Local\Temp\09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4296 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09761ddb95ff9bfad75d25f90ce35bae69ebb36f557b17b3faa4d33bac9d9c96.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3652
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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:4472
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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:1096
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0d68ce57724278e4bf51338e02db4069
SHA19055ce174d1954f321a5dbec5af4601c484923a8
SHA2560e03f39b9c0fb36372be34e18c843f1e56c37b884c465937b65b28a1bca1b0db
SHA512c22a4b82912a9e1425641fe493540c2c94e9a037c9f062c2475f14191a206a0bccc0bfc5418f1cd7ad5840ac9c774b80faae6c91e1312cbcef42ebf5ddb58cab
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0d68ce57724278e4bf51338e02db4069
SHA19055ce174d1954f321a5dbec5af4601c484923a8
SHA2560e03f39b9c0fb36372be34e18c843f1e56c37b884c465937b65b28a1bca1b0db
SHA512c22a4b82912a9e1425641fe493540c2c94e9a037c9f062c2475f14191a206a0bccc0bfc5418f1cd7ad5840ac9c774b80faae6c91e1312cbcef42ebf5ddb58cab
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memory/4472-132-0x0000026E50F20000-0x0000026E50F30000-memory.dmpFilesize
64KB
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memory/4472-133-0x0000026E50F80000-0x0000026E50F90000-memory.dmpFilesize
64KB
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memory/4472-134-0x0000026E53660000-0x0000026E53664000-memory.dmpFilesize
16KB