Analysis
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max time kernel
152s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:11
Static task
static1
Behavioral task
behavioral1
Sample
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe
Resource
win10v2004-en-20220112
General
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Target
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe
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Size
101KB
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MD5
45c3af9f5aec9f5d2448067fb6c81259
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SHA1
58d02fd564935c15fd6ba3685f979caae3bc9f42
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SHA256
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1
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SHA512
869f0b46add91eb251c306bf094494de8634ee7149a4b217aaf114955b08dac89c039fec3e6299367e52e203b0976f9f632e13c9372091576f688030ad86571b
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 1872 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.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 56 IoCs
Processes:
svchost.exedescription ioc process 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.113743" 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\Config 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\UplinkBps = "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\Config\KVFileExpirationTime = "132893071101552994" 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\MonthID = "2" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownlinkBps = "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\Config\DODownloadMode = "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\NormalDownloadCount = "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\UploadMonthlyLanBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.389843" 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\DownloadMonthlyRateBkCnt = "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 = "90228624" 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 = "1" 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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4040" 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\MemoryUsageKB = "4304" 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\DownloadMonthlyRateBkBps = "1157726" 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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "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\DownloadMonthlyRateFrCnt = "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\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 (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\DownloadMonthlyRateBkCnt = "4" 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\InternetConnectionCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.053937" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe Token: SeBackupPrivilege 3800 TiWorker.exe Token: SeRestorePrivilege 3800 TiWorker.exe Token: SeSecurityPrivilege 3800 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.execmd.exedescription pid process target process PID 1136 wrote to memory of 1872 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe MediaCenter.exe PID 1136 wrote to memory of 1872 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe MediaCenter.exe PID 1136 wrote to memory of 1872 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe MediaCenter.exe PID 1136 wrote to memory of 3684 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe cmd.exe PID 1136 wrote to memory of 3684 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe cmd.exe PID 1136 wrote to memory of 3684 1136 0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe cmd.exe PID 3684 wrote to memory of 4056 3684 cmd.exe PING.EXE PID 3684 wrote to memory of 4056 3684 cmd.exe PING.EXE PID 3684 wrote to memory of 4056 3684 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe"C:\Users\Admin\AppData\Local\Temp\0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1872 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ac5b1712f2016f7caf89a62ea561dc037f78ca4fdea71464451e87c0f5b00a1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4056
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3308
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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:2560
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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:3800
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
668c82b1f3196e27a6c0ffb461e5f3d6
SHA1801b0cef5068607a55805696c727b785b388f92a
SHA2566868992ce274dc671e789dda4e3e001708dde518dc14a97173e379f905ae83b6
SHA512f3fdd3ebe417da9a1c49487011366d1657b7a29167169e9ae5427775df53ca8db2a152b00c48dd2aa7b75d903423e3e68579c9b2b7ce835c8819d2e4047e1481
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
668c82b1f3196e27a6c0ffb461e5f3d6
SHA1801b0cef5068607a55805696c727b785b388f92a
SHA2566868992ce274dc671e789dda4e3e001708dde518dc14a97173e379f905ae83b6
SHA512f3fdd3ebe417da9a1c49487011366d1657b7a29167169e9ae5427775df53ca8db2a152b00c48dd2aa7b75d903423e3e68579c9b2b7ce835c8819d2e4047e1481