Analysis
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max time kernel
169s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:48
Static task
static1
Behavioral task
behavioral1
Sample
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe
Resource
win10v2004-en-20220112
General
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Target
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe
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Size
92KB
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MD5
da3a7fd82351372154a19872271ce9f5
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SHA1
6dce529247d7835f15a032968c0e3c852383c022
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SHA256
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060
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SHA512
171104eab69f4ae64e7a52bd50ff5be8eb99b5af9090f88a55d4ed57dc29c072a73fd6ca53b6ac0b3920c907ea7af64bdbc5b19651a348978f7e56f940743014
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 -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3804 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription 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.
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 55 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\DownloadMonthlyInternetBytes = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999986" 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\MemoryUsageKB = "3972" 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.405232" 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 = "4" 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\SwarmCount = "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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013149" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893140874285982" 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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "0" 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\PriorityDownloadPendingCount = "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\BkDownloadRatePct = "45" 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\DownloadMonthlyRateBkBps = "1157726" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\Usage\SwarmCount = "1" 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\InternetConnectionCount = "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\NormalDownloadPendingCount = "0" 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\DownloadMonthlyCdnBytes = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe Token: SeBackupPrivilege 3452 TiWorker.exe Token: SeRestorePrivilege 3452 TiWorker.exe Token: SeSecurityPrivilege 3452 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.execmd.exedescription pid process target process PID 2244 wrote to memory of 3804 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe MediaCenter.exe PID 2244 wrote to memory of 3804 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe MediaCenter.exe PID 2244 wrote to memory of 3804 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe MediaCenter.exe PID 2244 wrote to memory of 2616 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe cmd.exe PID 2244 wrote to memory of 2616 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe cmd.exe PID 2244 wrote to memory of 2616 2244 06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe cmd.exe PID 2616 wrote to memory of 2512 2616 cmd.exe PING.EXE PID 2616 wrote to memory of 2512 2616 cmd.exe PING.EXE PID 2616 wrote to memory of 2512 2616 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe"C:\Users\Admin\AppData\Local\Temp\06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.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:3804 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06179cd17e85950d3fe6215b2fe04e18c588c01d018be4c8be0be5a7c7fc9060.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2512
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2812
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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:2492
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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:3452
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0a04df8e57afa81af5379cd226f553d8
SHA125832b542e0f5b6e9d9725d933762323ba1d81e1
SHA2565a4cabecddae2100e9e39e85e0632cc513561e0554aa60f43ab9c20271260dbd
SHA512f107eff82745d893e47d4d2d646afe591f347a36120f4cb43c78890ec944208e94d189e58de1ed8f627725892751c1d94cf2b8d5a845970752d068a50584b5d2
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0a04df8e57afa81af5379cd226f553d8
SHA125832b542e0f5b6e9d9725d933762323ba1d81e1
SHA2565a4cabecddae2100e9e39e85e0632cc513561e0554aa60f43ab9c20271260dbd
SHA512f107eff82745d893e47d4d2d646afe591f347a36120f4cb43c78890ec944208e94d189e58de1ed8f627725892751c1d94cf2b8d5a845970752d068a50584b5d2