Analysis
-
max time kernel
144s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
18-02-2022 11:52
Behavioral task
behavioral1
Sample
4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
-
Target
4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe
-
Size
164KB
-
MD5
a73bd7a7d57c7132fab130836c4e1bf3
-
SHA1
be5a57900b99030c1edda051f47ac7b71d5a4402
-
SHA256
4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74
-
SHA512
6470654f2dcf22bcbf38d293f08545de4660ea2f66dc180523c5b2ebf1e664b2f93756b62f665c3d30f923eb0efcc4f5025bb7f27bd2d4420fda3128238ba20a
Score
4/10
Malware Config
Signatures
-
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe -
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 55 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132898351801022869" 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\InternetConnectionCount = "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\DownloadMonthlyLanBytes = "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\UploadCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\MemoryUsageKB = "4308" 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\Config 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060" 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\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\NormalDownloadPendingCount = "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\MonthID = "2" 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.501273" 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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.668267" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.000361" 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 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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyRateBkCnt = "4" 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\PriorityDownloadPendingCount = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4004" 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\DownloadMonthlyLinkLocalBytes = "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\DownlinkUsageBps = "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\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\LANConnectionCount = "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\DownlinkBps = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exepid process 2972 4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe 2972 4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe Token: SeRestorePrivilege 1928 TiWorker.exe Token: SeSecurityPrivilege 1928 TiWorker.exe Token: SeBackupPrivilege 1928 TiWorker.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe"C:\Users\Admin\AppData\Local\Temp\4ef90b24b4674cd6914181ff64e47d9a31069412cb41ffb60dfcf1c0f491dd74.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
-
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2972-130-0x0000000001650000-0x000000000199A000-memory.dmpFilesize
3.3MB