Analysis
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max time kernel
127s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe
Resource
win10v2004-en-20220113
General
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Target
0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe
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Size
36KB
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MD5
4c4fdb7fdf85cc55d2f4737aafa176db
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SHA1
52cb4c7b910ededd9b6ecc3bb420637cf701e125
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SHA256
0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d
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SHA512
2f0820c3a0f853f392de3e0cb0a4769c258bbb562f2bdd650a2f7063de6bc30d5128cd672e731ba0582251b929affa8169d3c30278797ec8b8ac26a40c11c6b0
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3156 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe -
Drops file in Windows directory 8 IoCs
description 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
pid Process 4340 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4508 svchost.exe Token: SeCreatePagefilePrivilege 4508 svchost.exe Token: SeShutdownPrivilege 4508 svchost.exe Token: SeCreatePagefilePrivilege 4508 svchost.exe Token: SeShutdownPrivilege 4508 svchost.exe Token: SeCreatePagefilePrivilege 4508 svchost.exe Token: SeIncBasePriorityPrivilege 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4472 wrote to memory of 3156 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 82 PID 4472 wrote to memory of 3156 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 82 PID 4472 wrote to memory of 3156 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 82 PID 4472 wrote to memory of 3384 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 95 PID 4472 wrote to memory of 3384 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 95 PID 4472 wrote to memory of 3384 4472 0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe 95 PID 3384 wrote to memory of 4340 3384 cmd.exe 97 PID 3384 wrote to memory of 4340 3384 cmd.exe 97 PID 3384 wrote to memory of 4340 3384 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe"C:\Users\Admin\AppData\Local\Temp\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3156
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f6f663faa36ba068313a86c443603d029dfedf05665e3a86b562cb4ef2baf1d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4340
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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:4508
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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:1676