Analysis
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max time kernel
149s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:22
Static task
static1
Behavioral task
behavioral1
Sample
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe
Resource
win10v2004-en-20220112
General
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Target
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe
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Size
176KB
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MD5
3c2d0837d5bcf741060d4efe6e9dd870
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SHA1
8210c848f8fb63cdce705ff14ac553b2c61fca86
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SHA256
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda
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SHA512
297a6972c7e4609ee2d6139649e87bab91b0c2dcc07df3204955825191ea6df7e59c60ed24325e15e362b5a8d3291d79654d59b64cc35bc0e343dd92aa7149de
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/384-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2452-133-0x0000000000400000-0x0000000000420000-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 2452 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.058212" 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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.097516" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" 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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132892934793219587" 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.993842" 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\DownloadMonthlyLanBytes = "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\SwarmCount = "1" 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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0" 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\UploadMonthlyInternetBytes = "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\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\InternetConnectionCount = "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\MemoryUsageKB = "4116" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "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 (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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe Token: SeBackupPrivilege 1016 TiWorker.exe Token: SeRestorePrivilege 1016 TiWorker.exe Token: SeSecurityPrivilege 1016 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.execmd.exedescription pid process target process PID 384 wrote to memory of 2452 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe MediaCenter.exe PID 384 wrote to memory of 2452 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe MediaCenter.exe PID 384 wrote to memory of 2452 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe MediaCenter.exe PID 384 wrote to memory of 3012 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe cmd.exe PID 384 wrote to memory of 3012 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe cmd.exe PID 384 wrote to memory of 3012 384 12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe cmd.exe PID 3012 wrote to memory of 1156 3012 cmd.exe PING.EXE PID 3012 wrote to memory of 1156 3012 cmd.exe PING.EXE PID 3012 wrote to memory of 1156 3012 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe"C:\Users\Admin\AppData\Local\Temp\12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2452 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12ebe13c6acfa96a08ae6258017d9a17a37787b56bf196b6fd039a5c3be04eda.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1156
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1184
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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:1744
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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:1016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
eeb914470ba0437ff22ac00ccc80d740
SHA14d7c7c5692a9f3deaa424de34992dfcdaa2bfe47
SHA25662f34ff8c54f8b4f70875728ef27a05436acfe7b0bb4ab9dff311bc591767f3e
SHA512f7b92a0c18e42e0d75601d6c130bca387424adb0b219ecb44892eb3806f6b4e78512b9dd45385c9795ac0517ef50b30d1ae4e9f2ebdddaa3d4d8673c46c5ecf4
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MD5
eeb914470ba0437ff22ac00ccc80d740
SHA14d7c7c5692a9f3deaa424de34992dfcdaa2bfe47
SHA25662f34ff8c54f8b4f70875728ef27a05436acfe7b0bb4ab9dff311bc591767f3e
SHA512f7b92a0c18e42e0d75601d6c130bca387424adb0b219ecb44892eb3806f6b4e78512b9dd45385c9795ac0517ef50b30d1ae4e9f2ebdddaa3d4d8673c46c5ecf4