Analysis
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max time kernel
157s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:55
Static task
static1
Behavioral task
behavioral1
Sample
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe
Resource
win10v2004-en-20220113
General
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Target
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe
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Size
192KB
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MD5
fa25b3354c3c9c3636af9e4a018e7800
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SHA1
bae748452d905464f250054bec73ba01f43a3796
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SHA256
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970
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SHA512
46c67ebdc01566345bcaa33c89a270add2bb72c6a5a4ba857888da345a0cf209a240decdf3265c3765809328dae1217af54aa65a4d8e063c58913fb4c3ab7303
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 760 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk 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.exedescription pid process Token: SeShutdownPrivilege 1416 svchost.exe Token: SeCreatePagefilePrivilege 1416 svchost.exe Token: SeShutdownPrivilege 1416 svchost.exe Token: SeCreatePagefilePrivilege 1416 svchost.exe Token: SeShutdownPrivilege 1416 svchost.exe Token: SeCreatePagefilePrivilege 1416 svchost.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe Token: SeRestorePrivilege 4084 TiWorker.exe Token: SeSecurityPrivilege 4084 TiWorker.exe Token: SeBackupPrivilege 4084 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.execmd.exedescription pid process target process PID 4076 wrote to memory of 760 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe MediaCenter.exe PID 4076 wrote to memory of 760 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe MediaCenter.exe PID 4076 wrote to memory of 760 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe MediaCenter.exe PID 4076 wrote to memory of 3736 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe cmd.exe PID 4076 wrote to memory of 3736 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe cmd.exe PID 4076 wrote to memory of 3736 4076 1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe cmd.exe PID 3736 wrote to memory of 3632 3736 cmd.exe PING.EXE PID 3736 wrote to memory of 3632 3736 cmd.exe PING.EXE PID 3736 wrote to memory of 3632 3736 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe"C:\Users\Admin\AppData\Local\Temp\1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:760 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1403a75d871b755cfd20c4f7fb15040a9ab1a60fb313ebd0a5e65f5824082970.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3632
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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:1416
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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:4084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
3dd87c8795d021fccc67f7da074d8b54
SHA120d39625880b2db6ca8538e2b729935f1f46efb8
SHA25629a67c74051736c90c6a1b75d6571826e68a5d92fbdd045d6578a4f8f1807bf5
SHA51217de5eeb4bb965463f758a5ef5fb65ca39f10800bd2796a1d58a639e76dab901d46e1e291a795a10a232368c0048f4acc809c0e3c1fef5f9d90b460155426cb6
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MD5
3dd87c8795d021fccc67f7da074d8b54
SHA120d39625880b2db6ca8538e2b729935f1f46efb8
SHA25629a67c74051736c90c6a1b75d6571826e68a5d92fbdd045d6578a4f8f1807bf5
SHA51217de5eeb4bb965463f758a5ef5fb65ca39f10800bd2796a1d58a639e76dab901d46e1e291a795a10a232368c0048f4acc809c0e3c1fef5f9d90b460155426cb6