Analysis
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max time kernel
156s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:59
Static task
static1
Behavioral task
behavioral1
Sample
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe
Resource
win10v2004-en-20220112
General
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Target
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe
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Size
89KB
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MD5
e24166008f0ce22f27414cfedcd66f28
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SHA1
06845d814d192bc14948bb68cc74e22254348015
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SHA256
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431
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SHA512
78fdc1aa09a3019cd0502605541895ffa363de3779f1c97a3345063f7c736abfe569883efca6c440b886134a70790c51c4b28cdae85fbc6203ee6a9614d6556b
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 2040 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 (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\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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.895229" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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\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\DownloadMonthlyRateFrCnt = "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\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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.848062" 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\Config 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\GroupConnectionCount = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100" 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\SwarmCount = "1" 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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893109703103925" 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\PeerInfoCount = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe Token: SeBackupPrivilege 3096 TiWorker.exe Token: SeRestorePrivilege 3096 TiWorker.exe Token: SeSecurityPrivilege 3096 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.execmd.exedescription pid process target process PID 3416 wrote to memory of 2040 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe MediaCenter.exe PID 3416 wrote to memory of 2040 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe MediaCenter.exe PID 3416 wrote to memory of 2040 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe MediaCenter.exe PID 3416 wrote to memory of 648 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe cmd.exe PID 3416 wrote to memory of 648 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe cmd.exe PID 3416 wrote to memory of 648 3416 08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe cmd.exe PID 648 wrote to memory of 1232 648 cmd.exe PING.EXE PID 648 wrote to memory of 1232 648 cmd.exe PING.EXE PID 648 wrote to memory of 1232 648 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe"C:\Users\Admin\AppData\Local\Temp\08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2040 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08768317e8119dd0e11ff876a0b9227db7120d0578a9302db713ce356d57e431.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1232
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3852
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3056
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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:3660
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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:3096
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
e35a45a76f275a739c7f4ce88907e680
SHA1a8be64e622a7295a40896df1e47b9a08361c1943
SHA256f483d6021af1a3655d9de01ed9368d41653ae9def1504134cd34f42a23665652
SHA51238c8499e673d111425d118f5aad2258b02719799ce1a8aa42f80d0fbb17125ce4469dfaca27928fc5c6c38c3e1a735bce0e7157c7478d2278137ec5209f2b044
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e35a45a76f275a739c7f4ce88907e680
SHA1a8be64e622a7295a40896df1e47b9a08361c1943
SHA256f483d6021af1a3655d9de01ed9368d41653ae9def1504134cd34f42a23665652
SHA51238c8499e673d111425d118f5aad2258b02719799ce1a8aa42f80d0fbb17125ce4469dfaca27928fc5c6c38c3e1a735bce0e7157c7478d2278137ec5209f2b044