Analysis
- max time kernel
142s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 09:34
Static task
static1
Behavioral task
behavioral1
Sample
09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
- Size 36KB
- Sample220212-lj1pdaccdr
- SHA256 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca
- MD5 e2b9cfc20b95f5969870bd2a9a548f14
- SHA1 0f60a1382696226aaf4bc188f5ed360f190d8cf1
- SHA512 414e0b3dd568daaf9e92146559eccd68ea0e0ba55a5c362c75cbe770dfb9d2292fbeade815f243ee0c892b42ded9fc8e262249e8fbf7af1aab9781db01bda6db
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2028 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 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.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" 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.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.
- 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 51 IoCs
description ioc Process 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.337591" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356" 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\Config\KVFileExpirationTime = "132893085477787887" 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\MemoryUsageKB = "4032" 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\SwarmCount = "1" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.554880" 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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "0" 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\BkDownloadRatePct = "45" 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\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\DownloadMonthlyRateFrCnt = "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 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\InternetConnectionCount = "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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\Usage\CPUpct = "17.632667" 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\UplinkUsageBps = "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 (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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DODownloadMode = "1" 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\MonthID = "2" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2108 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeIncBasePriorityPrivilege 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe Token: SeBackupPrivilege 2744 TiWorker.exe Token: SeRestorePrivilege 2744 TiWorker.exe Token: SeSecurityPrivilege 2744 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3860 wrote to memory of 2028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 58 PID 3860 wrote to memory of 2028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 58 PID 3860 wrote to memory of 2028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 58 PID 3860 wrote to memory of 1028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 75 PID 3860 wrote to memory of 1028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 75 PID 3860 wrote to memory of 1028 3860 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe 75 PID 1028 wrote to memory of 2108 1028 cmd.exe 77 PID 1028 wrote to memory of 2108 1028 cmd.exe 77 PID 1028 wrote to memory of 2108 1028 cmd.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe"C:\Users\Admin\AppData\Local\Temp\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2028
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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\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2108
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
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:2044
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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:2744