Analysis
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max time kernel
167s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:15
Static task
static1
Behavioral task
behavioral1
Sample
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe
Resource
win10v2004-en-20220112
General
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Target
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe
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Size
80KB
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MD5
0248019d99075dc038159305240489cd
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SHA1
2c44dad3fec3b6cd0bfc33c01f596945339e2b78
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SHA256
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170
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SHA512
bdd2f9db47010e7effbf335b7774c2ee45ab84d77b36132785852c83e7463fb7776a249511ed3f0c01627aca1de41c5cc8b432be2f82b5565be5ea3c300cc5bf
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 3520 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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\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\Usage\NormalDownloadPendingCount = "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\LANConnectionCount = "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\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 (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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\BkDownloadRatePct = "45" 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\MonthlyUploadRestriction = "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\Config\KVFileExpirationTime = "132893122276673070" 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\MemoryUsageKB = "4356" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateFrBps = "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\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\MemoryUsageKB = "4120" 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\SwarmCount = "1" 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\UplinkBps = "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\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\DownloadMonthlyRateBkBps = "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\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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.078554" 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\PeerInfoCount = "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\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.509403" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe Token: SeBackupPrivilege 3124 TiWorker.exe Token: SeRestorePrivilege 3124 TiWorker.exe Token: SeSecurityPrivilege 3124 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.execmd.exedescription pid process target process PID 1016 wrote to memory of 3520 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe MediaCenter.exe PID 1016 wrote to memory of 3520 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe MediaCenter.exe PID 1016 wrote to memory of 3520 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe MediaCenter.exe PID 1016 wrote to memory of 1788 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe cmd.exe PID 1016 wrote to memory of 1788 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe cmd.exe PID 1016 wrote to memory of 1788 1016 07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe cmd.exe PID 1788 wrote to memory of 3988 1788 cmd.exe PING.EXE PID 1788 wrote to memory of 3988 1788 cmd.exe PING.EXE PID 1788 wrote to memory of 3988 1788 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe"C:\Users\Admin\AppData\Local\Temp\07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07be3725f52b87eb1ab5b1e85b207e0504ef64d6cd2048173f42ec152ba2d170.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3988
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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:4004
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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:3124
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
73e636b58a0493e1b46fd6f28f73c85d
SHA1fc2845fd056e07a795f8aa3382dd6ad50db94b3b
SHA2565e76703937eadafa262065e3b4c559a8125d6b3874e206deb9191844a19fb843
SHA5128cd264890c8fa614067c8aa5693beb03d59db60e5c878fd6224c807240c84d9ae6aebad67e11d4af1bee0c792dfda738faf2df7dc969f3b6c4202edb57b1dd5c
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
73e636b58a0493e1b46fd6f28f73c85d
SHA1fc2845fd056e07a795f8aa3382dd6ad50db94b3b
SHA2565e76703937eadafa262065e3b4c559a8125d6b3874e206deb9191844a19fb843
SHA5128cd264890c8fa614067c8aa5693beb03d59db60e5c878fd6224c807240c84d9ae6aebad67e11d4af1bee0c792dfda738faf2df7dc969f3b6c4202edb57b1dd5c