Analysis
- max time kernel
195s - max time network
207s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe
- Size 60KB
- Sample220212-d78e5ahbar
- SHA256 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b
- MD5 3fc2f2819b63dcd567fd097605ccb041
- SHA1 ea328f52f90c304b2776932bd464928bc3d80730
- SHA512 05b1847d27bad5828df9381924267a9a508a23b0ad7ad32fc71b94a33df049ef3577a3d54001b0cb66d716a3232b35789584e49a2e3a54ed8eb903849a74b7d3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3992 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 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.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" 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.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.
- 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 53 IoCs
description ioc Process 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\MonthlyUploadRestriction = "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\DownlinkBps = "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\PriorityDownloadPendingCount = "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\Config\DownloadMode_BackCompat = "1" 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\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\DownloadMonthlyRateBkBps = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\DownloadMonthlyLanBytes = "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\MemoryUsageKB = "4280" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166762" 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\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\Usage\DownloadMonthlyRateBkCnt = "4" 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\SwarmCount = "1" 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\InternetConnectionCount = "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\DownloadMonthlyInternetBytes = "0" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892873107654380" 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\BkDownloadRatePct = "45" 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\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\DownloadMonthlyCdnBytes = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.639201" 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\Usage\CPUpct = "16.663005" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3288 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe Token: SeBackupPrivilege 2492 TiWorker.exe Token: SeRestorePrivilege 2492 TiWorker.exe Token: SeSecurityPrivilege 2492 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2244 wrote to memory of 3992 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 70 PID 2244 wrote to memory of 3992 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 70 PID 2244 wrote to memory of 3992 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 70 PID 2244 wrote to memory of 2340 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 71 PID 2244 wrote to memory of 2340 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 71 PID 2244 wrote to memory of 2340 2244 1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe 71 PID 2340 wrote to memory of 3288 2340 cmd.exe 73 PID 2340 wrote to memory of 3288 2340 cmd.exe 73 PID 2340 wrote to memory of 3288 2340 cmd.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe"C:\Users\Admin\AppData\Local\Temp\1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3992
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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\1708e3af703e92b6479c4f51ef8b72ef83fa6043a116ef2f4adf7abdf16b7a4b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3288
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2920
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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:3852
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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:2492