Analysis
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max time kernel
130s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 09:21
Static task
static1
Behavioral task
behavioral1
Sample
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe
Resource
win10v2004-en-20220113
General
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Target
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe
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Size
100KB
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MD5
48d3c6663a2af416dd5caf5be0ec1e68
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SHA1
e83b09d0d005789252a557b33435000b5634c843
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SHA256
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01
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SHA512
b970bd8e8eb48c91517543ef1cdcf8a8f8887c7c8a04a697819b0289f49b69871c3f7e46b6501646c2e074a5ef82f673d4bec5ab3b22b6c1f0426de78cfb21c4
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 4708 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 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 -
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:
svchost.exeTiWorker.exe0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exedescription pid process Token: SeShutdownPrivilege 2308 svchost.exe Token: SeCreatePagefilePrivilege 2308 svchost.exe Token: SeShutdownPrivilege 2308 svchost.exe Token: SeCreatePagefilePrivilege 2308 svchost.exe Token: SeShutdownPrivilege 2308 svchost.exe Token: SeCreatePagefilePrivilege 2308 svchost.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeIncBasePriorityPrivilege 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe Token: SeBackupPrivilege 3980 TiWorker.exe Token: SeRestorePrivilege 3980 TiWorker.exe Token: SeSecurityPrivilege 3980 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.execmd.exedescription pid process target process PID 3580 wrote to memory of 4708 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe MediaCenter.exe PID 3580 wrote to memory of 4708 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe MediaCenter.exe PID 3580 wrote to memory of 4708 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe MediaCenter.exe PID 3580 wrote to memory of 4488 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe cmd.exe PID 3580 wrote to memory of 4488 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe cmd.exe PID 3580 wrote to memory of 4488 3580 0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe cmd.exe PID 4488 wrote to memory of 2176 4488 cmd.exe PING.EXE PID 4488 wrote to memory of 2176 4488 cmd.exe PING.EXE PID 4488 wrote to memory of 2176 4488 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe"C:\Users\Admin\AppData\Local\Temp\0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a53368264bddb59f32c25ad10a2791e438c687b849b2294c99142a2315b2f01.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4488 -
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:2308
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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:3980
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
b100b3f54b9a1f4df9c58d2ffaef1ddf
SHA185b1913966d0ba4ddbae7ff2d25e576d5b636f8f
SHA256fe74004da2b32fe2b88d638c7aedf4be48e36a09dc023a6a465372f33af65cc4
SHA512fb7ccf3b5616cea84b764da51998acfc0f914ba7d7565989098cd1e580a9a8ca6fec2507573d884843abebb0f2f411b38d42580a23fda280371b2ef491320cb1
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
b100b3f54b9a1f4df9c58d2ffaef1ddf
SHA185b1913966d0ba4ddbae7ff2d25e576d5b636f8f
SHA256fe74004da2b32fe2b88d638c7aedf4be48e36a09dc023a6a465372f33af65cc4
SHA512fb7ccf3b5616cea84b764da51998acfc0f914ba7d7565989098cd1e580a9a8ca6fec2507573d884843abebb0f2f411b38d42580a23fda280371b2ef491320cb1
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memory/2308-132-0x0000020ECD160000-0x0000020ECD170000-memory.dmpFilesize
64KB
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memory/2308-133-0x0000020ECD720000-0x0000020ECD730000-memory.dmpFilesize
64KB
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memory/2308-134-0x0000020ECFDE0000-0x0000020ECFDE4000-memory.dmpFilesize
16KB