Analysis
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max time kernel
169s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:57
Static task
static1
Behavioral task
behavioral1
Sample
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe
Resource
win10v2004-en-20220112
General
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Target
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe
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Size
36KB
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MD5
05e0efb1e1229636d0cd140be46956e1
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SHA1
e54f661aecc6f077761ad0ac46c53a037fe2ea10
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SHA256
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140
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SHA512
63332ebcbc6686bb7bfbf2dbf51409bc47f1b78e2cbda4f7f158c64becc3ba34e7688bc5f86dd215b32459a1f7161cb87e96b6bf9adace8e85e9cd05d03466c5
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3716 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
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\FrDownloadRatePct = "90" 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 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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "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 = "4076" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248" 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\UploadCount = "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\SwarmCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.282048" 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\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\CacheSizeBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.343140" 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\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\MonthID = "2" 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\GroupConnectionCount = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893106932968439" 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\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 (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\MemoryUsageKB = "4264" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe Token: SeBackupPrivilege 3788 TiWorker.exe Token: SeRestorePrivilege 3788 TiWorker.exe Token: SeSecurityPrivilege 3788 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.execmd.exedescription pid process target process PID 756 wrote to memory of 3716 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe MediaCenter.exe PID 756 wrote to memory of 3716 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe MediaCenter.exe PID 756 wrote to memory of 3716 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe MediaCenter.exe PID 756 wrote to memory of 3332 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe cmd.exe PID 756 wrote to memory of 3332 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe cmd.exe PID 756 wrote to memory of 3332 756 08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe cmd.exe PID 3332 wrote to memory of 2104 3332 cmd.exe PING.EXE PID 3332 wrote to memory of 2104 3332 cmd.exe PING.EXE PID 3332 wrote to memory of 2104 3332 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe"C:\Users\Admin\AppData\Local\Temp\08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3716 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08882aa91f36f884a2961b882e2aa3d834dc900a9f441646b7ae3594af493140.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2104
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1396
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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:2912
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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:3788
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
e489c0bb43a02c5e53e892689c0c803c
SHA13c87aa70099bd98ff2ac73f1391439a6e7182990
SHA25670c01024e0129ebd700921a2daff95e1569cc00bbf8fb3b2e6493f9851c237cd
SHA512bee3cb343e49f06be1156c34435b86886ea3729d65c86b773e4c7042f9908e03f31b4dcefdbc2485ae08543aa4b55df0fb2e9b4a1abd2745cdff0c98aaca6675
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e489c0bb43a02c5e53e892689c0c803c
SHA13c87aa70099bd98ff2ac73f1391439a6e7182990
SHA25670c01024e0129ebd700921a2daff95e1569cc00bbf8fb3b2e6493f9851c237cd
SHA512bee3cb343e49f06be1156c34435b86886ea3729d65c86b773e4c7042f9908e03f31b4dcefdbc2485ae08543aa4b55df0fb2e9b4a1abd2745cdff0c98aaca6675