Analysis
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max time kernel
168s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:47
Static task
static1
Behavioral task
behavioral1
Sample
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe
Resource
win10v2004-en-20220112
General
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Target
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe
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Size
99KB
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MD5
81ec07143bb7ee8ed4f6cbd20b48eaa1
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SHA1
448388289d6fc3c3663060633a36417960b47172
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SHA256
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3
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SHA512
68290c1bfe4f7671b38394b1df726f877600b72589d3268e5387dc5d46085260b012bd2aabed9d10bc3f357809c105e5042612dbd99839c98a55a3877e822edc
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 2396 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.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 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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.666166" 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 (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\LinkLocalConnectionCount = "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\UploadCount = "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\DownloadMonthlyRateBkCnt = "0" 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\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\LANConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "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\BkDownloadRatePct = "45" 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\PriorityDownloadCount = "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 = "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\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "0" 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\DownloadMonthlyInternetBytes = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893098814456149" 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\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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\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\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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 = "6.451760" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe Token: SeRestorePrivilege 2072 TiWorker.exe Token: SeSecurityPrivilege 2072 TiWorker.exe Token: SeBackupPrivilege 2072 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.execmd.exedescription pid process target process PID 1856 wrote to memory of 2396 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe MediaCenter.exe PID 1856 wrote to memory of 2396 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe MediaCenter.exe PID 1856 wrote to memory of 2396 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe MediaCenter.exe PID 1856 wrote to memory of 760 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe cmd.exe PID 1856 wrote to memory of 760 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe cmd.exe PID 1856 wrote to memory of 760 1856 090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe cmd.exe PID 760 wrote to memory of 1016 760 cmd.exe PING.EXE PID 760 wrote to memory of 1016 760 cmd.exe PING.EXE PID 760 wrote to memory of 1016 760 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe"C:\Users\Admin\AppData\Local\Temp\090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2396 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\090dcf6a60810280dea7643112b00b537985039618bd90e227385cca29e7ecc3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1016
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3168
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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:3480
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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:2072
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
981b446ac9a9aa02113be5958a8ab02f
SHA1513936154a9a675725efa4f3f744d1e0827a5895
SHA2568c985d6015377542ee0bac3a72273405dd28e7f6ffc95f8189d92f99da3787f3
SHA512cfc64e03c5533f38ba3a6f6cc74e947f0b1bbd1fcbd1c93d2555fb9fcebbfdd95113a08b0d290701282e1a20445810dc0a522854e75bc1e091b884c3f35c14a7
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
981b446ac9a9aa02113be5958a8ab02f
SHA1513936154a9a675725efa4f3f744d1e0827a5895
SHA2568c985d6015377542ee0bac3a72273405dd28e7f6ffc95f8189d92f99da3787f3
SHA512cfc64e03c5533f38ba3a6f6cc74e947f0b1bbd1fcbd1c93d2555fb9fcebbfdd95113a08b0d290701282e1a20445810dc0a522854e75bc1e091b884c3f35c14a7