Analysis
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max time kernel
137s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 09:37
Static task
static1
Behavioral task
behavioral1
Sample
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe
Resource
win10v2004-en-20220113
General
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Target
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe
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Size
176KB
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MD5
ada8ef4ef4ac4570e23a51b480e7ec10
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SHA1
8d43b967540a9b0c69b989c6e5a23623f0b42831
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SHA256
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b
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SHA512
278ffd26e7f0028c522063497af7c3ced8c9acb8c39c734490414888e874a4c7b55964eaef6f9ac26894c910f18ffd0746853b210cfd919d4f3a2ae44eb0c268
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/380-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1412-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1412 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription 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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeIncBasePriorityPrivilege 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe Token: SeBackupPrivilege 1908 TiWorker.exe Token: SeRestorePrivilege 1908 TiWorker.exe Token: SeSecurityPrivilege 1908 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.execmd.exedescription pid process target process PID 380 wrote to memory of 1412 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe MediaCenter.exe PID 380 wrote to memory of 1412 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe MediaCenter.exe PID 380 wrote to memory of 1412 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe MediaCenter.exe PID 380 wrote to memory of 904 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe cmd.exe PID 380 wrote to memory of 904 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe cmd.exe PID 380 wrote to memory of 904 380 0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe cmd.exe PID 904 wrote to memory of 4780 904 cmd.exe PING.EXE PID 904 wrote to memory of 4780 904 cmd.exe PING.EXE PID 904 wrote to memory of 4780 904 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe"C:\Users\Admin\AppData\Local\Temp\0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1412 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0976a63cdb77bf2945b72b01e3e20d7c961566177d5a98703e753acca1d1a55b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4780
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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:4512
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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:1908
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
c0d7133e75d72241b6ca696aa099843b
SHA1fc0adceed3b002024c1ed78b3876debe965ee4b8
SHA256b173e1adc61ee5d39688d4c6343db6af5d74e04bc7db5d2713f98a427880a1a7
SHA512dde0a7fbe7aa38ad96a4540657f869a442c7f841b5e9404362af640a4c0a22c128d75a4734bb7f340b31566f56d778797f44b1f934ba1890bd673b404f81ac98
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c0d7133e75d72241b6ca696aa099843b
SHA1fc0adceed3b002024c1ed78b3876debe965ee4b8
SHA256b173e1adc61ee5d39688d4c6343db6af5d74e04bc7db5d2713f98a427880a1a7
SHA512dde0a7fbe7aa38ad96a4540657f869a442c7f841b5e9404362af640a4c0a22c128d75a4734bb7f340b31566f56d778797f44b1f934ba1890bd673b404f81ac98
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memory/380-135-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1412-136-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/4512-132-0x0000028671F60000-0x0000028671F70000-memory.dmpFilesize
64KB
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memory/4512-133-0x0000028672520000-0x0000028672530000-memory.dmpFilesize
64KB
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memory/4512-134-0x0000028674B90000-0x0000028674B94000-memory.dmpFilesize
16KB