Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
14-02-2022 05:47
Static task
static1
Behavioral task
behavioral1
Sample
2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4.exe
Resource
win10v2004-en-20220112
General
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Target
2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4.exe
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Size
129KB
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MD5
e567caa2d14fea5c814428dcfbebe4c2
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SHA1
74d6a5894887bf0c033c9fb11d6b022f203d8a1d
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SHA256
2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4
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SHA512
dc7944682c5665a3c036f8c53681a6a4692642d06b1d35b29116b90be9e8b116eaf00c011038bafd328a4523ac535fc684cb30694633bdc2a159dac64d3d8f28
Malware Config
Signatures
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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 -
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 (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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "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\Config\DODownloadMode = "1" 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\BkDownloadRatePct = "45" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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\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 (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\InternetConnectionCount = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.894874" 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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "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\UplinkBps = "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\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\Usage\DownloadMonthlyInternetBytes = "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\SwarmCount = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.251093" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132894676616552229" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" 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\MemoryUsageKB = "3952" 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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe Token: SeRestorePrivilege 2980 TiWorker.exe Token: SeSecurityPrivilege 2980 TiWorker.exe Token: SeBackupPrivilege 2980 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4.exe"C:\Users\Admin\AppData\Local\Temp\2b33c66f91c7c4906a9f2b30b9e91a4d96fe79e49fdc69f9a4a68c0f4a4eb4b4.exe"1⤵PID:2216
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3976
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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:1856
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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:2980