Analysis
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max time kernel
155s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:21
Static task
static1
Behavioral task
behavioral1
Sample
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe
Resource
win10v2004-en-20220112
General
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Target
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe
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Size
60KB
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MD5
e997cacd159f887f2e3ac868916ee2bd
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SHA1
80cea80d0b2d2bb48b39e9258be88045da47cff7
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SHA256
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f
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SHA512
0a1bff01a122e918ea460097c91fe364ac02bf4ba7af3ebb4a14328453ac83df8a9a6062441592159360306696d4194c4aedcb880386dd2bfe89122c3aec46ba
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3264 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.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 53 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\BkDownloadRatePct = "45" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "0" 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\CacheSizeBytes = "0" 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\LANConnectionCount = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\Config\KVFileExpirationTime = "132893077262932786" 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\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyCdnBytes = "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 (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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.526473" 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\MemoryUsageKB = "4056" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333340" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyRateFrBps = "0" 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\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\InternetConnectionCount = "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\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\Usage\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe Token: SeBackupPrivilege 2112 TiWorker.exe Token: SeRestorePrivilege 2112 TiWorker.exe Token: SeSecurityPrivilege 2112 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.execmd.exedescription pid process target process PID 3352 wrote to memory of 3264 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe MediaCenter.exe PID 3352 wrote to memory of 3264 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe MediaCenter.exe PID 3352 wrote to memory of 3264 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe MediaCenter.exe PID 3352 wrote to memory of 556 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe cmd.exe PID 3352 wrote to memory of 556 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe cmd.exe PID 3352 wrote to memory of 556 3352 0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe cmd.exe PID 556 wrote to memory of 1304 556 cmd.exe PING.EXE PID 556 wrote to memory of 1304 556 cmd.exe PING.EXE PID 556 wrote to memory of 1304 556 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe"C:\Users\Admin\AppData\Local\Temp\0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3264 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a557152c4d7a7dde4ac095c3eaeb4b36b2257e40fcb8b2bd3550bc29ea8d34f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1304
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3632
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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:3972
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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:2112
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
9bd8f23be7f0bb388c621270efc580fa
SHA1589b58197d2ae027c0765a83f74cf2ae2ded5dd8
SHA256efb207332526889db6cbc657a44fbcf51c83f54530009159a33adaf2fce14c80
SHA5121eaa80730e2a524507e02cfac26058d00bec14768075ae747db4ccd3ca805ce1650b276dbf755de2135212a5c838391ca70d747ce3bae0fd6500bdada7d0a740
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
9bd8f23be7f0bb388c621270efc580fa
SHA1589b58197d2ae027c0765a83f74cf2ae2ded5dd8
SHA256efb207332526889db6cbc657a44fbcf51c83f54530009159a33adaf2fce14c80
SHA5121eaa80730e2a524507e02cfac26058d00bec14768075ae747db4ccd3ca805ce1650b276dbf755de2135212a5c838391ca70d747ce3bae0fd6500bdada7d0a740