Analysis
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max time kernel
161s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:24
Static task
static1
Behavioral task
behavioral1
Sample
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe
Resource
win10v2004-en-20220112
General
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Target
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe
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Size
216KB
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MD5
9eb485d339e94fa6b3dadb3045da8cbf
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SHA1
9cf338242db94a77a59c30d4b4df91854e34ca2a
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SHA256
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97
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SHA512
fe733cf57b1d7a982e11d0801e6676304c2e7770686931a93e7fa6abed925ff60c172faf3259fd8dde57417ce9e50ef6caf174774ba7350e996ae28be95f5770
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/1668-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3384-133-0x0000000000400000-0x0000000000420000-memory.dmp 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 3384 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.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\UploadCount = "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\LinkLocalConnectionCount = "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\Settings 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\FrDownloadRatePct = "90" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3932" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132" 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\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\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 (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\MemoryUsageKB = "4320" 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\DownlinkBps = "0" 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\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\DownloadMonthlyRateFrBps = "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 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 = "4.069782" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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 (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\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\CDNConnectionCount = "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\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\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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893007568901381" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040128" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exedescription pid process Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeIncBasePriorityPrivilege 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe Token: SeBackupPrivilege 376 TiWorker.exe Token: SeRestorePrivilege 376 TiWorker.exe Token: SeSecurityPrivilege 376 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.execmd.exedescription pid process target process PID 1668 wrote to memory of 3384 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe MediaCenter.exe PID 1668 wrote to memory of 3384 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe MediaCenter.exe PID 1668 wrote to memory of 3384 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe MediaCenter.exe PID 1668 wrote to memory of 3016 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe cmd.exe PID 1668 wrote to memory of 3016 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe cmd.exe PID 1668 wrote to memory of 3016 1668 0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe cmd.exe PID 3016 wrote to memory of 380 3016 cmd.exe PING.EXE PID 3016 wrote to memory of 380 3016 cmd.exe PING.EXE PID 3016 wrote to memory of 380 3016 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe"C:\Users\Admin\AppData\Local\Temp\0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3384 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0da4e4b7a26fd2e735c5c43e1a61750476e5b080e3638e9a032ab1ae49122b97.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:380
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:384
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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:2644
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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:376
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
57faf307a8eb531f3a45523b83031279
SHA19ae821380db1e61f3c46b3b12a45e668f34ea496
SHA2566680a959425b93aed992514ed8d33f2df32c1090508e6f17f40539a9f374dbad
SHA512d468e6f1c354f40c9cdd33c91a7b4cca73ef45d91dad05774bf9f41fb8acd6e92928b70d930c9a000e259380083b35ad5459bb8124eb3d8ef848773e69ddd391
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MD5
57faf307a8eb531f3a45523b83031279
SHA19ae821380db1e61f3c46b3b12a45e668f34ea496
SHA2566680a959425b93aed992514ed8d33f2df32c1090508e6f17f40539a9f374dbad
SHA512d468e6f1c354f40c9cdd33c91a7b4cca73ef45d91dad05774bf9f41fb8acd6e92928b70d930c9a000e259380083b35ad5459bb8124eb3d8ef848773e69ddd391