Analysis
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max time kernel
155s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:16
Static task
static1
Behavioral task
behavioral1
Sample
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe
Resource
win10v2004-en-20220112
General
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Target
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe
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Size
58KB
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MD5
b0af0dabd848c9e7aa590d7c89ebe4d5
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SHA1
1d60be9fd76d708740e233615175182106aa74d4
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SHA256
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27
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SHA512
9c7cae53d1a2f8622bcf475fc98f5f814d77411d7f6bbcb83ec045a5f028a6cbeb481c27e25b61573b5c3e26427718774afa9a9327243694b79ec27964800d27
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 652 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.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 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 50 IoCs
Processes:
svchost.exedescription ioc process 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\NormalDownloadPendingCount = "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\UplinkBps = "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\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\MemoryUsageKB = "4136" 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\Config\DODownloadMode = "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\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\NormalDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893074155473769" 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\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\BkDownloadRatePct = "45" 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\UploadCount = "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\DownloadMonthlyGroupBytes = "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\Usage\DownloadMonthlyCdnBytes = "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\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\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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.523018" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.167645" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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 (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\InternetConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\UploadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exedescription pid process Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeIncBasePriorityPrivilege 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe Token: SeBackupPrivilege 3624 TiWorker.exe Token: SeRestorePrivilege 3624 TiWorker.exe Token: SeSecurityPrivilege 3624 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.execmd.exedescription pid process target process PID 3820 wrote to memory of 652 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe MediaCenter.exe PID 3820 wrote to memory of 652 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe MediaCenter.exe PID 3820 wrote to memory of 652 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe MediaCenter.exe PID 3820 wrote to memory of 3816 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe cmd.exe PID 3820 wrote to memory of 3816 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe cmd.exe PID 3820 wrote to memory of 3816 3820 0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe cmd.exe PID 3816 wrote to memory of 1364 3816 cmd.exe PING.EXE PID 3816 wrote to memory of 1364 3816 cmd.exe PING.EXE PID 3816 wrote to memory of 1364 3816 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe"C:\Users\Admin\AppData\Local\Temp\0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a8da3f9e1993fd058ed34e498622c16494c4acfca53875a3cc6749e15f48a27.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1364
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1272
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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:3696
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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:3624
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
4aba717ce7f10213b47d3e6010a1195c
SHA16698e9fe38107bd3d188a37688ab0b6e3b54d1c6
SHA256a2e7b76221ce78cce786ba2cf1d444d84333c0242a1b1752ca17f8e4c77b830e
SHA512e13a7d7a73b6aa41deee05ef48c7d456ffc52b1bdf9e7a1f741afe608c3dcb178dd527ec31603fd962b2d623743b5084a5aa2d1bab5987852f09ebc80e534fe6
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
4aba717ce7f10213b47d3e6010a1195c
SHA16698e9fe38107bd3d188a37688ab0b6e3b54d1c6
SHA256a2e7b76221ce78cce786ba2cf1d444d84333c0242a1b1752ca17f8e4c77b830e
SHA512e13a7d7a73b6aa41deee05ef48c7d456ffc52b1bdf9e7a1f741afe608c3dcb178dd527ec31603fd962b2d623743b5084a5aa2d1bab5987852f09ebc80e534fe6