Analysis
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max time kernel
159s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:20
Static task
static1
Behavioral task
behavioral1
Sample
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe
Resource
win10v2004-en-20220112
General
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Target
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe
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Size
36KB
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MD5
a81980fdf30e9eb8536c3f97a9c6b7eb
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SHA1
6efd94fcbaff23c7219ebaa6ee4fb61fe0491021
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SHA256
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0
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SHA512
ca3e536315880d46e78cdb1be36ae0e67798a55384b8242d60877ca2563a37f51f6709e18cbc52f67c7012a52688132ce26b822a781e4fccd6060303ed78296f
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2432 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat 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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 52 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.787256" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4048" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.002100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893076581821414" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.819621" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exedescription pid process Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeIncBasePriorityPrivilege 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe Token: SeBackupPrivilege 4020 TiWorker.exe Token: SeRestorePrivilege 4020 TiWorker.exe Token: SeSecurityPrivilege 4020 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.execmd.exedescription pid process target process PID 2912 wrote to memory of 2432 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe MediaCenter.exe PID 2912 wrote to memory of 2432 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe MediaCenter.exe PID 2912 wrote to memory of 2432 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe MediaCenter.exe PID 2912 wrote to memory of 3260 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe cmd.exe PID 2912 wrote to memory of 3260 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe cmd.exe PID 2912 wrote to memory of 3260 2912 0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe cmd.exe PID 3260 wrote to memory of 3056 3260 cmd.exe PING.EXE PID 3260 wrote to memory of 3056 3260 cmd.exe PING.EXE PID 3260 wrote to memory of 3056 3260 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe"C:\Users\Admin\AppData\Local\Temp\0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2432 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a613ef0bf7357fe8dbeacf02e00bc32f04017c38e0704cc75b6e9046f3ce4c0.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3056
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3616
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:988
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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:4020
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
31b7a866b654b8a808cbb55658c3097e
SHA16c5676dc7eaf917c989938d58fc1e97c5433557e
SHA25642d9c13746475cdafc59c8da71abd50c94c6d2267558da881dfe9b7c9752452b
SHA512bef5e20e76458c3483023ef6f78b7460016482aee85f0809106061fc62dab917cf2ebd22d626e00501e4fe9b596324cb14420b50d79348a778e2f87f00c5fff3
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
31b7a866b654b8a808cbb55658c3097e
SHA16c5676dc7eaf917c989938d58fc1e97c5433557e
SHA25642d9c13746475cdafc59c8da71abd50c94c6d2267558da881dfe9b7c9752452b
SHA512bef5e20e76458c3483023ef6f78b7460016482aee85f0809106061fc62dab917cf2ebd22d626e00501e4fe9b596324cb14420b50d79348a778e2f87f00c5fff3