Analysis
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max time kernel
183s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:44
Static task
static1
Behavioral task
behavioral1
Sample
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe
Resource
win10v2004-en-20220112
General
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Target
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe
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Size
92KB
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MD5
527224b36cbb1542d0ab5756cd8fa40e
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SHA1
7d8a18f0c8c19ab2d940a7f54a2896b9797b1a7f
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SHA256
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260
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SHA512
bab730c8db3b05eab1e30c1424bcf1fd7a9e5281ddaac0e8fa181c2a2900c771c0ad23c00f1d926c694e304e44c720065a812a81389877a33fb909265c6811a4
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 3988 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\UploadRatePct = "100" 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 = "2.721092" 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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892911568891087" 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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224" 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\DownloadMonthlyLinkLocalBytes = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.059737" 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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "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\SwarmCount = "1" 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\DownlinkBps = "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\DownloadMonthlyRateFrCnt = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\LANConnectionCount = "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\CDNConnectionCount = "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\UploadCount = "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\Config\DODownloadMode = "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\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\MemoryUsageKB = "4148" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.026337" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212" 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\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\BkDownloadRatePct = "45" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe Token: SeBackupPrivilege 3516 TiWorker.exe Token: SeRestorePrivilege 3516 TiWorker.exe Token: SeSecurityPrivilege 3516 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.execmd.exedescription pid process target process PID 3636 wrote to memory of 3988 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe MediaCenter.exe PID 3636 wrote to memory of 3988 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe MediaCenter.exe PID 3636 wrote to memory of 3988 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe MediaCenter.exe PID 3636 wrote to memory of 3688 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe cmd.exe PID 3636 wrote to memory of 3688 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe cmd.exe PID 3636 wrote to memory of 3688 3636 14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe cmd.exe PID 3688 wrote to memory of 1744 3688 cmd.exe PING.EXE PID 3688 wrote to memory of 1744 3688 cmd.exe PING.EXE PID 3688 wrote to memory of 1744 3688 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe"C:\Users\Admin\AppData\Local\Temp\14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3988 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14a6d8576deb4de1bf5342924c6fed7f3335b6a4db2e628fc82ae10e19ebd260.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1744
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4076
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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:2580
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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:3516
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
e75be047e6f516961fb65d9998971e6e
SHA1e47f8df1eb4fc22884da93387fc2fb4f0851966a
SHA25683671b4a5962edf5b49284d11c56b774f07274b7805f681aa1dab316c2cd729c
SHA512a28e8a4e22a3c95ac3649f965eeffd7135c72a092b57b8e741d9824020b35f10f364fddfdb58ede0839e28086ce9a7d604580a092369e51741059d7d1cffb68c
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MD5
e75be047e6f516961fb65d9998971e6e
SHA1e47f8df1eb4fc22884da93387fc2fb4f0851966a
SHA25683671b4a5962edf5b49284d11c56b774f07274b7805f681aa1dab316c2cd729c
SHA512a28e8a4e22a3c95ac3649f965eeffd7135c72a092b57b8e741d9824020b35f10f364fddfdb58ede0839e28086ce9a7d604580a092369e51741059d7d1cffb68c