Analysis
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max time kernel
155s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:29
Static task
static1
Behavioral task
behavioral1
Sample
015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe
Resource
win10v2004-en-20220112
General
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Target
015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe
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Size
60KB
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MD5
c66c0fe981c0a0de146d3b7c47f1a97d
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SHA1
5e875ee443e49e5b33e742d08b6497796f2cea23
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SHA256
015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739
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SHA512
8ef75421a3fbce15dec44e3c88080d5a3f4428fbe8f72c1f0d7f3f39bc017ff9fb4c4b62fea0198e897f949d7bf525ce96cf59a995a88ad6a49a9d441b0ccb5a
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2572 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 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.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" 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe -
Drops file in Windows directory 3 IoCs
description 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 -
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 54 IoCs
description ioc Process 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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\DownloadMonthlyRateBkBps = "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\UplinkUsageBps = "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\DownloadMonthlyLanBytes = "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\MonthID = "1" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204" 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 = "0.040850" 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\NormalDownloadPendingCount = "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 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\MemoryUsageKB = "4296" 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\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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\PeerInfoCount = "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\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\KVFileExpirationTime = "132893200705973431" 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\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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999823" 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\DownloadMonthlyCdnBytes = "90228624" 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\InternetConnectionCount = "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\NormalDownloadCount = "0" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152" 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\Usage\CPUpct = "6.253427" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 972 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe Token: SeBackupPrivilege 2992 TiWorker.exe Token: SeRestorePrivilege 2992 TiWorker.exe Token: SeSecurityPrivilege 2992 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4004 wrote to memory of 2572 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 59 PID 4004 wrote to memory of 2572 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 59 PID 4004 wrote to memory of 2572 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 59 PID 4004 wrote to memory of 3292 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 62 PID 4004 wrote to memory of 3292 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 62 PID 4004 wrote to memory of 3292 4004 015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe 62 PID 3292 wrote to memory of 972 3292 cmd.exe 64 PID 3292 wrote to memory of 972 3292 cmd.exe 64 PID 3292 wrote to memory of 972 3292 cmd.exe 64
Processes
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C:\Users\Admin\AppData\Local\Temp\015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe"C:\Users\Admin\AppData\Local\Temp\015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2572
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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\015ed1eb5dd4c5c85609a2f1586d7fd4f42d5d0d5f98f9ca13bbd37f59374739.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:972
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2236
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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:972
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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:2992