Analysis
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max time kernel
167s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe
Resource
win10v2004-en-20220112
General
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Target
0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe
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Size
60KB
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MD5
e19d6d72c383da5a1acd0326b4cd14d4
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SHA1
4733dc2ca25354d2cd680282ff2bc598ace94097
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SHA256
0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357
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SHA512
56fd7bf5cfee24586b9dc74fa91966ca835d80941e059958fc03645063b1c9e9de3ceef2fa3a5a5df09b429a75f6b30b3f13ae437f0871f00c8d18869c116284
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1676 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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.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" 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe -
Drops file in Windows directory 3 IoCs
description 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.
description 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 49 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\LANConnectionCount = "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\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\DownloadMonthlyLanBytes = "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\CDNConnectionCount = "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\MemoryUsageKB = "4164" 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\UploadMonthlyInternetBytes = "0" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892984067813112" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.999996" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348" 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\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\CacheSizeBytes = "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\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\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\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.420167" 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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3296 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe Token: SeBackupPrivilege 3664 TiWorker.exe Token: SeRestorePrivilege 3664 TiWorker.exe Token: SeSecurityPrivilege 3664 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3264 wrote to memory of 1676 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 60 PID 3264 wrote to memory of 1676 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 60 PID 3264 wrote to memory of 1676 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 60 PID 3264 wrote to memory of 3328 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 67 PID 3264 wrote to memory of 3328 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 67 PID 3264 wrote to memory of 3328 3264 0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe 67 PID 3328 wrote to memory of 3296 3328 cmd.exe 69 PID 3328 wrote to memory of 3296 3328 cmd.exe 69 PID 3328 wrote to memory of 3296 3328 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe"C:\Users\Admin\AppData\Local\Temp\0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1676
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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\0f1dc02451cfae31955c635b6245ff0562f0b6c9129a0f006129b1ea4bb2d357.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3296
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3312
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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:1536
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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:3664