Analysis
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max time kernel
170s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:34
Static task
static1
Behavioral task
behavioral1
Sample
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe
Resource
win10v2004-en-20220112
General
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Target
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe
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Size
60KB
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MD5
118b606dd47079e0a137370ed96e182d
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SHA1
22770e146365e45b409156e4cd32901d7c6f8444
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SHA256
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781
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SHA512
4ba76ab32f2a143cc699ff80c530697cc4cf258c2b090a5fe7ff5c3ecc83c7ce1e361a10a3937eb1c09886cafa58cac12451fcb5faae9d67395a947492f8c78e
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1140 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.380898" 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\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 (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\UploadMonthlyLanBytes = "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\DownlinkBps = "0" 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 = "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\MonthID = "2" 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\GroupConnectionCount = "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\UploadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\DownloadMonthlyRateFrBps = "0" 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\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\PriorityDownloadCount = "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 = "4392" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380" 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\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.882329" 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\NormalDownloadCount = "0" 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\CacheSizeBytes = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168" 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\DownloadMonthlyCdnBytes = "90228624" 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\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893168078905551" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe Token: SeBackupPrivilege 3044 TiWorker.exe Token: SeRestorePrivilege 3044 TiWorker.exe Token: SeSecurityPrivilege 3044 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.execmd.exedescription pid process target process PID 1892 wrote to memory of 1140 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe MediaCenter.exe PID 1892 wrote to memory of 1140 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe MediaCenter.exe PID 1892 wrote to memory of 1140 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe MediaCenter.exe PID 1892 wrote to memory of 1224 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe cmd.exe PID 1892 wrote to memory of 1224 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe cmd.exe PID 1892 wrote to memory of 1224 1892 040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe cmd.exe PID 1224 wrote to memory of 2112 1224 cmd.exe PING.EXE PID 1224 wrote to memory of 2112 1224 cmd.exe PING.EXE PID 1224 wrote to memory of 2112 1224 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe"C:\Users\Admin\AppData\Local\Temp\040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1140 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\040e504f41f149e15320f1f456cc012c9d4422d4c2e949582a5240b8bc3a4781.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2112
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2824
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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:3364
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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:3044
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
844d120f4b82ef4aaf623cc69b2e1235
SHA1ce34d73100460933cc732012fa62b788adc7a3bb
SHA256410edda3ce3dedd8cd0bddd89ea3b66c1c11bf9d0fb38cbd5a72a0a7724b2869
SHA5128382a048c32328815aee84a11d095cb60bac8b1f907a2a33929567849194583f839b5babdfa7a13f052c88632263259e5e43c15f7aceefc83e8b2f961ed474d7
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
844d120f4b82ef4aaf623cc69b2e1235
SHA1ce34d73100460933cc732012fa62b788adc7a3bb
SHA256410edda3ce3dedd8cd0bddd89ea3b66c1c11bf9d0fb38cbd5a72a0a7724b2869
SHA5128382a048c32328815aee84a11d095cb60bac8b1f907a2a33929567849194583f839b5babdfa7a13f052c88632263259e5e43c15f7aceefc83e8b2f961ed474d7