Analysis
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max time kernel
179s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:25
Static task
static1
Behavioral task
behavioral1
Sample
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe
Resource
win10v2004-en-20220112
General
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Target
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe
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Size
35KB
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MD5
cf65205399c96c7ac1afc0068e59ae91
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SHA1
3d9b77d4bc144f49783497f8e493429f2760cb74
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SHA256
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb
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SHA512
26b20289eaed8595ae4154e6f0a3cc7e99eaf831215961671fbed82c8e66083235250655dad01794089822a798eb53746ec4b5b74b03ccebb79c7871e927ea9d
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2580 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.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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Modifies data under HKEY_USERS 50 IoCs
Processes:
svchost.exedescription ioc process 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\NormalDownloadCount = "0" svchost.exe 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\MonthID = "2" 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\DownloadMonthlyRateBkCnt = "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\SwarmCount = "1" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892900654114835" 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 = "7.017374" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.029274" 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\DownloadMonthlyCdnBytes = "0" 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\PeerInfoCount = "0" 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 (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\DownloadMonthlyRateFrBps = "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\FrDownloadRatePct = "90" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\DownloadMonthlyLanBytes = "0" 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\PriorityDownloadCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyCacheHostBytes = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039968" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220" 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\UploadMonthlyInternetBytes = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\CDNConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe Token: SeBackupPrivilege 2372 TiWorker.exe Token: SeRestorePrivilege 2372 TiWorker.exe Token: SeSecurityPrivilege 2372 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.execmd.exedescription pid process target process PID 1752 wrote to memory of 2580 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe MediaCenter.exe PID 1752 wrote to memory of 2580 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe MediaCenter.exe PID 1752 wrote to memory of 2580 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe MediaCenter.exe PID 1752 wrote to memory of 1680 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe cmd.exe PID 1752 wrote to memory of 1680 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe cmd.exe PID 1752 wrote to memory of 1680 1752 15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe cmd.exe PID 1680 wrote to memory of 3144 1680 cmd.exe PING.EXE PID 1680 wrote to memory of 3144 1680 cmd.exe PING.EXE PID 1680 wrote to memory of 3144 1680 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe"C:\Users\Admin\AppData\Local\Temp\15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2580 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15568acaca4a498de3edaa482ad96d9f0a3bedd8b1c38b3d86359d36e2c042fb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3144
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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:1364
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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:2372
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
3c7c9fac3c89bfbd0d28075c7094b45e
SHA1ef13069874077cb020d26de6606f1dd2bd204092
SHA256dc7d46ad3fc64c1ecf55049753feabbc1deb741da3f4ad3172680f45dfc118af
SHA512c93d66ed2f3f8c01fd08fcf6887d0764f2a397b44d4b2401e2587022c5fdfc075543856c682f3ed38c6bc2bf90c92013ab05d9f518cf6e3c7d9803c0df54f347
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MD5
3c7c9fac3c89bfbd0d28075c7094b45e
SHA1ef13069874077cb020d26de6606f1dd2bd204092
SHA256dc7d46ad3fc64c1ecf55049753feabbc1deb741da3f4ad3172680f45dfc118af
SHA512c93d66ed2f3f8c01fd08fcf6887d0764f2a397b44d4b2401e2587022c5fdfc075543856c682f3ed38c6bc2bf90c92013ab05d9f518cf6e3c7d9803c0df54f347