Analysis
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max time kernel
166s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:53
Static task
static1
Behavioral task
behavioral1
Sample
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe
Resource
win10v2004-en-20220112
General
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Target
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe
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Size
101KB
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MD5
a33efe91398284a5bddea2ebeb7fa642
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SHA1
a68def0c4c38d63d7f5649d50e7d96bd859e1c0a
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SHA256
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d
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SHA512
d80f785d8e4d107ca65021e1073c0d578763ff26e4576ac2c5304a13bd7837cf563621b360034b8d560cb6a2a1fea17fc0b22a1d0847c238c30a194d2c3cf314
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 4036 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.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\Config\KVFileExpirationTime = "132893184813618584" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.193555" 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\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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4300" 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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyLinkLocalBytes = "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\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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\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\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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4076" 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\Usage\CPUpct = "7.150624" 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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.691698" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\UploadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\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\LinkLocalConnectionCount = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe Token: SeBackupPrivilege 1840 TiWorker.exe Token: SeRestorePrivilege 1840 TiWorker.exe Token: SeSecurityPrivilege 1840 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.execmd.exedescription pid process target process PID 908 wrote to memory of 4036 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe MediaCenter.exe PID 908 wrote to memory of 4036 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe MediaCenter.exe PID 908 wrote to memory of 4036 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe MediaCenter.exe PID 908 wrote to memory of 3492 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe cmd.exe PID 908 wrote to memory of 3492 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe cmd.exe PID 908 wrote to memory of 3492 908 032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe cmd.exe PID 3492 wrote to memory of 2000 3492 cmd.exe PING.EXE PID 3492 wrote to memory of 2000 3492 cmd.exe PING.EXE PID 3492 wrote to memory of 2000 3492 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe"C:\Users\Admin\AppData\Local\Temp\032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\032124fdd2697b2f94dda58ff2b2ca275d7bf7467ce22c119c7521c15752fa6d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2000
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1220
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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:2152
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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:1840
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
3bf313ac523b8c3274648f7c2d60eafc
SHA126bd9ff4ddbf914722882f35d215b11412db36f8
SHA256e8fc2d1f321f7bd4e5f4b4b6cca94e25996954c25dbc5e8c440bafdfc062a93b
SHA512f35c4ea768b240b9b1f880ecb663d045afdcf94179939b52763dbe132eab75e3b33c14627a2fae8db5238baea65e8a67445e450f6c2790fc38807b2ea1d7b109
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
3bf313ac523b8c3274648f7c2d60eafc
SHA126bd9ff4ddbf914722882f35d215b11412db36f8
SHA256e8fc2d1f321f7bd4e5f4b4b6cca94e25996954c25dbc5e8c440bafdfc062a93b
SHA512f35c4ea768b240b9b1f880ecb663d045afdcf94179939b52763dbe132eab75e3b33c14627a2fae8db5238baea65e8a67445e450f6c2790fc38807b2ea1d7b109