Analysis
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max time kernel
168s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:49
Static task
static1
Behavioral task
behavioral1
Sample
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe
Resource
win10v2004-en-20220112
General
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Target
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe
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Size
192KB
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MD5
3ce4e9b3c39a37c72f7321f4b89e9c38
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SHA1
312e868cfd2926635a8a4c2dc166ee38c420567c
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SHA256
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555
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SHA512
3abb4acfb5ec2888ed928082cc428ca151e1cd3b67903f44a5e25dab032bfa021b449b3f7852912fc9f33a253bac452430fdc9620006c29b65f33367598b07ff
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3044 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe -
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 -
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.
Processes:
MusNotifyIcon.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 53 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateBkBps = "1157726" 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 = "1" 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\Config\DownloadMode_BackCompat = "1" 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\NormalDownloadCount = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892951182717259" 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\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\UploadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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\PriorityDownloadCount = "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\LinkLocalConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038850" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UplinkBps = "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\DownloadMonthlyGroupBytes = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.383273" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.943868" 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\PriorityDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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 = "4320" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe Token: SeBackupPrivilege 3336 TiWorker.exe Token: SeRestorePrivilege 3336 TiWorker.exe Token: SeSecurityPrivilege 3336 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.execmd.exedescription pid process target process PID 2688 wrote to memory of 3044 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe MediaCenter.exe PID 2688 wrote to memory of 3044 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe MediaCenter.exe PID 2688 wrote to memory of 3044 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe MediaCenter.exe PID 2688 wrote to memory of 1840 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe cmd.exe PID 2688 wrote to memory of 1840 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe cmd.exe PID 2688 wrote to memory of 1840 2688 1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe cmd.exe PID 1840 wrote to memory of 1596 1840 cmd.exe PING.EXE PID 1840 wrote to memory of 1596 1840 cmd.exe PING.EXE PID 1840 wrote to memory of 1596 1840 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe"C:\Users\Admin\AppData\Local\Temp\1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1192e52749cba91fa164fd1adafb5f112e089c08483dd4c4b16a70adfb691555.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1596
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1884
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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:1552
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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:3336
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6034b8aff6d13580a6ab822107abdd04
SHA16f4d9319fadcac4815f769e4ffc50cff8542e540
SHA2568313cf678c0f3dc7ef18e4ca9e56654ddb2cb5c71a861ddefd1c17b6f409261e
SHA512d8a9d0a3f3520cac4ce36bf4481a39be7e66b19ea23d70ceaa20f4b5ffaaf9842341bce99118c05aab990613cc65831cec821af0ed2f07c148c55818075f5622
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MD5
6034b8aff6d13580a6ab822107abdd04
SHA16f4d9319fadcac4815f769e4ffc50cff8542e540
SHA2568313cf678c0f3dc7ef18e4ca9e56654ddb2cb5c71a861ddefd1c17b6f409261e
SHA512d8a9d0a3f3520cac4ce36bf4481a39be7e66b19ea23d70ceaa20f4b5ffaaf9842341bce99118c05aab990613cc65831cec821af0ed2f07c148c55818075f5622