Analysis
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max time kernel
138s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 08:20
Static task
static1
Behavioral task
behavioral1
Sample
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe
Resource
win10v2004-en-20220113
General
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Target
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe
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Size
191KB
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MD5
81c4f2c1d633edfd55807f78d2d19fc7
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SHA1
07b1d114a7d151578f687d8ba5e711fa024851d4
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SHA256
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05
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SHA512
95ba5a54db6e0f1ae27bcb568cdce26646adb5be1d780af4b31b949e9f962a6c6dff5dc83710894188cc54b92bc4d0349befa22bbfee6d45fe11b9f8ae19f95c
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 4904 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.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:
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exesvchost.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe Token: SeShutdownPrivilege 4012 svchost.exe Token: SeCreatePagefilePrivilege 4012 svchost.exe Token: SeShutdownPrivilege 4012 svchost.exe Token: SeCreatePagefilePrivilege 4012 svchost.exe Token: SeShutdownPrivilege 4012 svchost.exe Token: SeCreatePagefilePrivilege 4012 svchost.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe Token: SeBackupPrivilege 912 TiWorker.exe Token: SeRestorePrivilege 912 TiWorker.exe Token: SeSecurityPrivilege 912 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.execmd.exedescription pid process target process PID 1168 wrote to memory of 4904 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe MediaCenter.exe PID 1168 wrote to memory of 4904 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe MediaCenter.exe PID 1168 wrote to memory of 4904 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe MediaCenter.exe PID 1168 wrote to memory of 3356 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe cmd.exe PID 1168 wrote to memory of 3356 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe cmd.exe PID 1168 wrote to memory of 3356 1168 0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe cmd.exe PID 3356 wrote to memory of 400 3356 cmd.exe PING.EXE PID 3356 wrote to memory of 400 3356 cmd.exe PING.EXE PID 3356 wrote to memory of 400 3356 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe"C:\Users\Admin\AppData\Local\Temp\0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4904 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b42a209915e4b2727e24c87e898b9695cb5ce87f1c895bf6a14474f56d9bf05.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3356 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:400
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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:4012
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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:912
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
a0b484c15c3083103f8b682e20a577d5
SHA10628f58de31c7bc5bca2fecdc35050560a1b1f1a
SHA2562d115d3db390cc1f5576ee7600f6694b88c855db867becd880c4b3361c8d35f2
SHA512cc11a3831611bb0d38231e410bce97527ff2c3f89c1c1ac31053feab0dfbae63102e29cf8cf2dce30b2d72d977f7366b01880c740fd2298937dea497dcdf61c8
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MD5
a0b484c15c3083103f8b682e20a577d5
SHA10628f58de31c7bc5bca2fecdc35050560a1b1f1a
SHA2562d115d3db390cc1f5576ee7600f6694b88c855db867becd880c4b3361c8d35f2
SHA512cc11a3831611bb0d38231e410bce97527ff2c3f89c1c1ac31053feab0dfbae63102e29cf8cf2dce30b2d72d977f7366b01880c740fd2298937dea497dcdf61c8