Analysis
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max time kernel
141s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe
Resource
win10v2004-en-20220113
General
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Target
0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe
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Size
80KB
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MD5
2cb59ab19510f2d71703c681013771a4
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SHA1
a0fe501768860d73f659404afa2395c633b2995d
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SHA256
0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d
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SHA512
9c9892203fe15958256ff98e20f7fc1e57444cc3c54f7b8ab9c7053ede733c354c4344953325d65bdffb08600d3194e10512899ee44b4e69ed462f43e21e5866
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e7c2-133.dat family_sakula behavioral2/files/0x000400000001e7c2-134.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4704 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 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.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" 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe -
Drops file in Windows directory 8 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 File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.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 1788 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe Token: SeShutdownPrivilege 4280 svchost.exe Token: SeCreatePagefilePrivilege 4280 svchost.exe Token: SeShutdownPrivilege 4280 svchost.exe Token: SeCreatePagefilePrivilege 4280 svchost.exe Token: SeShutdownPrivilege 4280 svchost.exe Token: SeCreatePagefilePrivilege 4280 svchost.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe Token: SeBackupPrivilege 3420 TiWorker.exe Token: SeRestorePrivilege 3420 TiWorker.exe Token: SeSecurityPrivilege 3420 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4648 wrote to memory of 4704 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 82 PID 4648 wrote to memory of 4704 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 82 PID 4648 wrote to memory of 4704 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 82 PID 4648 wrote to memory of 4144 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 92 PID 4648 wrote to memory of 4144 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 92 PID 4648 wrote to memory of 4144 4648 0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe 92 PID 4144 wrote to memory of 1788 4144 cmd.exe 94 PID 4144 wrote to memory of 1788 4144 cmd.exe 94 PID 4144 wrote to memory of 1788 4144 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe"C:\Users\Admin\AppData\Local\Temp\0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4704
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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\0f6d183cc26531251ccc142466c62642613eb9fb04d8f04c4e4fefa9946ef01d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1788
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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:4280
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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:3420