Analysis
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max time kernel
156s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
14-02-2022 07:47
Static task
static1
Behavioral task
behavioral1
Sample
4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
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Target
4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
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Size
33KB
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MD5
f977b16e7b039c7c561210368ce3b166
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SHA1
4d9d410f7f927ac854b528170c8bc7aaaac6c611
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SHA256
4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7
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SHA512
d9d1483da540bb5793aa74729ded8168b217856ca8c4bd21c2ae4e6a9165876f5e56ae40715eb22f7a0252832891a4c33b8e79c20885636eb4ee999ec022051e
Score
10/10
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
pid Process 1388 szgfw.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 4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe -
Drops file in Windows directory 3 IoCs
description 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 -
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.
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 55 IoCs
description ioc Process 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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941780" 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\MonthID = "1" 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\FrDownloadRatePct = "90" 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\UploadCount = "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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.352158" 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\PriorityDownloadCount = "0" 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 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.498360" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013113" 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\SwarmCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" 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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164" 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\UplinkUsageBps = "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\Config\KVFileExpirationTime = "132894750793322446" 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\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\CDNConnectionCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\Usage\DownloadMonthlyRateBkCnt = "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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe Token: SeRestorePrivilege 272 TiWorker.exe Token: SeSecurityPrivilege 272 TiWorker.exe Token: SeBackupPrivilege 272 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2788 wrote to memory of 1388 2788 4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe 64 PID 2788 wrote to memory of 1388 2788 4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe 64 PID 2788 wrote to memory of 1388 2788 4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe 64
Processes
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C:\Users\Admin\AppData\Local\Temp\4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe"C:\Users\Admin\AppData\Local\Temp\4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:1388
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2464
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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:3176
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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:272