Analysis
- max time kernel
148s - max time network
184s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 04:26
Static task
static1
Behavioral task
behavioral1
Sample
154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
- Size 36KB
- Sample220212-e2syxsgac2
- SHA256 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f
- MD5 823a94ae4dd49566f4df7b7523bb5c99
- SHA1 7dc0752bc195df48613710af9dd427f55a448225
- SHA512 e7997744eb62cb568f476bcf244035ebeaa5308d196ecb9c04ab5408cf9c9bc65d94a077d1aa41a9fd59cbf105aa6209e09fa5359699d09e3ccc444a785878b3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3020 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 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.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" 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 49 IoCs
description ioc Process 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\LinkLocalConnectionCount = "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 = "4096" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\SwarmCount = "1" 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\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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666671" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.997556" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\UplinkBps = "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\FrDownloadRatePct = "90" 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\NormalDownloadCount = "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 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\DownloadMonthlyCacheHostBytes = "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\Config\KVFileExpirationTime = "132892901267287003" 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\UploadRatePct = "100" 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 = "0.176576" 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\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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 100 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe Token: SeBackupPrivilege 2588 TiWorker.exe Token: SeRestorePrivilege 2588 TiWorker.exe Token: SeSecurityPrivilege 2588 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3980 wrote to memory of 3020 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 62 PID 3980 wrote to memory of 3020 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 62 PID 3980 wrote to memory of 3020 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 62 PID 3980 wrote to memory of 2216 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 69 PID 3980 wrote to memory of 2216 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 69 PID 3980 wrote to memory of 2216 3980 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe 69 PID 2216 wrote to memory of 100 2216 cmd.exe 71 PID 2216 wrote to memory of 100 2216 cmd.exe 71 PID 2216 wrote to memory of 100 2216 cmd.exe 71
Processes
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C:\Users\Admin\AppData\Local\Temp\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe"C:\Users\Admin\AppData\Local\Temp\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3020
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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\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:100
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:2196
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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:1412
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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:2588