Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:20
Static task
static1
Behavioral task
behavioral1
Sample
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe
Resource
win10v2004-en-20220112
General
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Target
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe
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Size
36KB
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MD5
209bd68bc2ddc52942b7a56a240ea5ee
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SHA1
cb4b105cefbe1858fbb125b88cf534e9b2662939
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SHA256
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b
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SHA512
82bbdcbe7913a2484c920dafe5762039e309d12d083be05021a4cafd4b12ad3d360703f2100db470de1f06f30ed45e6d65c43c053b2b6d6957bde92cc8e501b5
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3952 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.557277" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893162296987310" 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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "4" 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\CacheSizeBytes = "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\SwarmCount = "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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4088" 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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\PriorityDownloadCount = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263530" 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\UploadRatePct = "100" 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\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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exedescription pid process Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeIncBasePriorityPrivilege 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe Token: SeBackupPrivilege 3472 TiWorker.exe Token: SeRestorePrivilege 3472 TiWorker.exe Token: SeSecurityPrivilege 3472 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.execmd.exedescription pid process target process PID 1956 wrote to memory of 3952 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe MediaCenter.exe PID 1956 wrote to memory of 3952 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe MediaCenter.exe PID 1956 wrote to memory of 3952 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe MediaCenter.exe PID 1956 wrote to memory of 3964 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe cmd.exe PID 1956 wrote to memory of 3964 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe cmd.exe PID 1956 wrote to memory of 3964 1956 04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe cmd.exe PID 3964 wrote to memory of 1928 3964 cmd.exe PING.EXE PID 3964 wrote to memory of 1928 3964 cmd.exe PING.EXE PID 3964 wrote to memory of 1928 3964 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe"C:\Users\Admin\AppData\Local\Temp\04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04a07b72eed2ed785bbc2f646dcf7fd2cec7c94867065f242e8c0976da81c55b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1928
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1944
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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:772
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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:3472
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
32a97e0a5fc38d07352de685009a84a4
SHA1885fb4518cab2e2613d3c726aeab382070fc4693
SHA256feb65173617f36b01efbd98ce420e3b421dedcfd3a552d58502ba0601a27aff7
SHA5121bf954efd7a232bc7b7ea8ac88ba19a016a881daebbf9f874a4c126c5e0eb563a1499d5979e7fcb33ecb68f74f74e722754e247093770cbcf917e0342aee8df0
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
32a97e0a5fc38d07352de685009a84a4
SHA1885fb4518cab2e2613d3c726aeab382070fc4693
SHA256feb65173617f36b01efbd98ce420e3b421dedcfd3a552d58502ba0601a27aff7
SHA5121bf954efd7a232bc7b7ea8ac88ba19a016a881daebbf9f874a4c126c5e0eb563a1499d5979e7fcb33ecb68f74f74e722754e247093770cbcf917e0342aee8df0