Analysis
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max time kernel
157s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe
Resource
win10v2004-en-20220113
General
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Target
0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe
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Size
89KB
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MD5
88bc6b76789582e2d11478b64d13a552
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SHA1
0a530438b5e4616e84ae9ea83dcfdff22500a0ae
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SHA256
0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664
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SHA512
bc6f3607a7cbf6090ae5ed66cc12b7e8cdde2c649ce626dcc7e4df24ea513e78426aa176ca454d5872ee67274742c9d52d2138ff5474f9d4f2bea3084315cb73
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000700000001e83c-131.dat family_sakula behavioral2/files/0x000700000001e83c-130.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 3956 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe -
Drops file in Windows directory 8 IoCs
description 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
pid Process 2176 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4036 svchost.exe Token: SeCreatePagefilePrivilege 4036 svchost.exe Token: SeShutdownPrivilege 4036 svchost.exe Token: SeCreatePagefilePrivilege 4036 svchost.exe Token: SeShutdownPrivilege 4036 svchost.exe Token: SeCreatePagefilePrivilege 4036 svchost.exe Token: SeIncBasePriorityPrivilege 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe Token: SeBackupPrivilege 2852 TiWorker.exe Token: SeRestorePrivilege 2852 TiWorker.exe Token: SeSecurityPrivilege 2852 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5096 wrote to memory of 3956 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 82 PID 5096 wrote to memory of 3956 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 82 PID 5096 wrote to memory of 3956 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 82 PID 5096 wrote to memory of 1752 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 98 PID 5096 wrote to memory of 1752 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 98 PID 5096 wrote to memory of 1752 5096 0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe 98 PID 1752 wrote to memory of 2176 1752 cmd.exe 100 PID 1752 wrote to memory of 2176 1752 cmd.exe 100 PID 1752 wrote to memory of 2176 1752 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe"C:\Users\Admin\AppData\Local\Temp\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3956
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f17758abd343af0a92eeb509a25cdf3529ae54c98251cb1285a4565e34bf664.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2176
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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:4036
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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:2852