Analysis
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max time kernel
166s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:57
Static task
static1
Behavioral task
behavioral1
Sample
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe
Resource
win10v2004-en-20220113
General
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Target
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe
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Size
216KB
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MD5
5e23cbe1bdcd1801af09c8ab607d863d
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SHA1
b1cb297b958e515fbacb514b8f305e6d42e1da41
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SHA256
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784
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SHA512
1b9a66f4b2cbf42efb9abad72b45432b8fa46da34f3ead6221aa614087cea1a82eee772eff6b6bb13873a8cd63a799f73efdf6eacdc281da112f0e5ae5c86d9a
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/4280-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1708-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1708 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.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.exedescription pid process Token: SeShutdownPrivilege 2376 svchost.exe Token: SeCreatePagefilePrivilege 2376 svchost.exe Token: SeShutdownPrivilege 2376 svchost.exe Token: SeCreatePagefilePrivilege 2376 svchost.exe Token: SeShutdownPrivilege 2376 svchost.exe Token: SeCreatePagefilePrivilege 2376 svchost.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe Token: SeRestorePrivilege 3920 TiWorker.exe Token: SeSecurityPrivilege 3920 TiWorker.exe Token: SeBackupPrivilege 3920 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.execmd.exedescription pid process target process PID 4280 wrote to memory of 1708 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe MediaCenter.exe PID 4280 wrote to memory of 1708 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe MediaCenter.exe PID 4280 wrote to memory of 1708 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe MediaCenter.exe PID 4280 wrote to memory of 916 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe cmd.exe PID 4280 wrote to memory of 916 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe cmd.exe PID 4280 wrote to memory of 916 4280 13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe cmd.exe PID 916 wrote to memory of 4232 916 cmd.exe PING.EXE PID 916 wrote to memory of 4232 916 cmd.exe PING.EXE PID 916 wrote to memory of 4232 916 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe"C:\Users\Admin\AppData\Local\Temp\13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13f81793f29c8233f40025284b9f6a180f1952390605bec73e070b594b9cd784.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4232
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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:2376
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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:3920
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
cf9fc48d2ce9d175e73dee64ae8f3f5a
SHA14fad07e96f08dda339150752d647797ba2c3fc2e
SHA256111ad86a3a9698aeeb35895d293c47167b818fd05eb42a657b61f84b77e55731
SHA512360ab418296e9fdcf049fc59ed4ee154e019df57142549fb4ee9e3b72fede957241b756c44188f3bb9748ec0e4b9b40a4e8dce9a3e9c7c1b12109fb2982247b0
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MD5
cf9fc48d2ce9d175e73dee64ae8f3f5a
SHA14fad07e96f08dda339150752d647797ba2c3fc2e
SHA256111ad86a3a9698aeeb35895d293c47167b818fd05eb42a657b61f84b77e55731
SHA512360ab418296e9fdcf049fc59ed4ee154e019df57142549fb4ee9e3b72fede957241b756c44188f3bb9748ec0e4b9b40a4e8dce9a3e9c7c1b12109fb2982247b0