Analysis
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max time kernel
164s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:22
Static task
static1
Behavioral task
behavioral1
Sample
01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe
Resource
win10v2004-en-20220112
General
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Target
01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe
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Size
36KB
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MD5
f679d84f8389164695b6a0501d9baa9c
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SHA1
5a3197717723180b0e31a5760469627a8a0d79b5
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SHA256
01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da
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SHA512
3d135b1e0c998a071b7605b159b169b48e35bfb4e71a707c08a331498547376afa3f4d8794e1736ebfd58d61f3a401b90fe7b7a9262a254a3b3d19de89aa12a4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 828 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 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.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" 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.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\Usage\DownloadMonthlyLanBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893202303745685" 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 Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.923134" 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 (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\DownlinkBps = "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\NormalDownloadCount = "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\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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.724130" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.026937" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164" 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\MonthID = "2" 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\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 (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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\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\GroupConnectionCount = "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\Usage\MemoryUsageKB = "4248" 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\Config\DownloadMode_BackCompat = "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\UploadRatePct = "100" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 332 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3212 wrote to memory of 828 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 60 PID 3212 wrote to memory of 828 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 60 PID 3212 wrote to memory of 828 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 60 PID 3212 wrote to memory of 2488 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 76 PID 3212 wrote to memory of 2488 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 76 PID 3212 wrote to memory of 2488 3212 01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe 76 PID 2488 wrote to memory of 332 2488 cmd.exe 78 PID 2488 wrote to memory of 332 2488 cmd.exe 78 PID 2488 wrote to memory of 332 2488 cmd.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe"C:\Users\Admin\AppData\Local\Temp\01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:828
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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\01bfd1995a54348928ff631702f8f15a94f0a642b3507f1c27b591e658dcb2da.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:332
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3628
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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:4028
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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:3384