Analysis
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max time kernel
159s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:50
Static task
static1
Behavioral task
behavioral1
Sample
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe
Resource
win10v2004-en-20220112
General
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Target
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe
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Size
150KB
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MD5
443514e1bfe7034fb01213a8a1bf085d
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SHA1
8459f11fe8581752353763c29b4da6aa407da44b
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SHA256
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0
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SHA512
c29fbebfd9b3f70c3bb52af92d26dcad46bb7f560927082e2b531fffc34b34a6d01c97a1734567461d2a0a76f7ab960955cbbc3019a07695497661b48eedfb32
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 3404 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.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 (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\UploadRatePct = "100" 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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892915229157071" 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\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.670133" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\SwarmCount = "0" 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\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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4368" 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\DownlinkUsageBps = "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\InternetConnectionCount = "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\MonthID = "2" 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\NormalDownloadCount = "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\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\Usage\MemoryUsageKB = "4164" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.152671" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.execmd.exedescription pid process target process PID 3800 wrote to memory of 3404 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe MediaCenter.exe PID 3800 wrote to memory of 3404 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe MediaCenter.exe PID 3800 wrote to memory of 3404 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe MediaCenter.exe PID 3800 wrote to memory of 564 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe cmd.exe PID 3800 wrote to memory of 564 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe cmd.exe PID 3800 wrote to memory of 564 3800 1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe cmd.exe PID 564 wrote to memory of 1908 564 cmd.exe PING.EXE PID 564 wrote to memory of 1908 564 cmd.exe PING.EXE PID 564 wrote to memory of 1908 564 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe"C:\Users\Admin\AppData\Local\Temp\1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3404 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1447d478d16a0a7bb6830e6b3ea9a412facdc1367401bb308541c39b4913fad0.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1908
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3500
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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:3300
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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:3444
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
e0ac814c0faf4c8fef205b79bef55e14
SHA1b62eb37fccce6a2e293496f7262e9287c2b67153
SHA256364d8b7e9fa16b3cb26cc4044bacaade5042edbed272406f798cf428815efc91
SHA5125a7c869af29ca335c0398056367e88f730e954bb8f7450cd253d2734ce20f119196fac82e38e65a2bd47e122b1e4f4503219dd874878c60da252e21667ceef6a
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MD5
e0ac814c0faf4c8fef205b79bef55e14
SHA1b62eb37fccce6a2e293496f7262e9287c2b67153
SHA256364d8b7e9fa16b3cb26cc4044bacaade5042edbed272406f798cf428815efc91
SHA5125a7c869af29ca335c0398056367e88f730e954bb8f7450cd253d2734ce20f119196fac82e38e65a2bd47e122b1e4f4503219dd874878c60da252e21667ceef6a