Analysis
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max time kernel
164s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:06
Static task
static1
Behavioral task
behavioral1
Sample
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe
Resource
win10v2004-en-20220112
General
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Target
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe
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Size
160KB
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MD5
d92cec32d6557fcd3de1e8285d013929
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SHA1
badff671a562c966334fbafa80492bb434ba18e1
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SHA256
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54
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SHA512
b678851ab8db150bd9bb10ae6e78547cfb90ee5467d20465de6fe9eac38b50a957b16c11a240ef0914b737b5ef193d5a232215d2a94b25334fdcec4f2e75d7cd
Malware Config
Signatures
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Sakula Payload 3 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/3488-132-0x0000000000400000-0x0000000000420000-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 2964 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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 = "4304" 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\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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "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\DownlinkUsageBps = "0" 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\DownloadMonthlyGroupBytes = "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 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.293113" 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\DownloadMonthlyCacheHostBytes = "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\PeerInfoCount = "0" 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\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\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.783972" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892997320108752" 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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe Token: SeBackupPrivilege 1344 TiWorker.exe Token: SeRestorePrivilege 1344 TiWorker.exe Token: SeSecurityPrivilege 1344 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.execmd.exedescription pid process target process PID 3488 wrote to memory of 2964 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe MediaCenter.exe PID 3488 wrote to memory of 2964 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe MediaCenter.exe PID 3488 wrote to memory of 2964 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe MediaCenter.exe PID 3488 wrote to memory of 220 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe cmd.exe PID 3488 wrote to memory of 220 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe cmd.exe PID 3488 wrote to memory of 220 3488 0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe cmd.exe PID 220 wrote to memory of 1888 220 cmd.exe PING.EXE PID 220 wrote to memory of 1888 220 cmd.exe PING.EXE PID 220 wrote to memory of 1888 220 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe"C:\Users\Admin\AppData\Local\Temp\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2964 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1888
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1620
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1928
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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:1344
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d699193453fc6061dfe0d356867d9dd6
SHA1f46f65850b4cf28b5d388eb603bfa6c635c552dd
SHA25617ce619306a1a8276f378c1b26f5e1bd4edbb8d40b8594e791640bef05e81e95
SHA5125be7d2e84daaa82d74c43d4214ef3b70e1a7870223b44d986acf0d6023aeb6918e3da340201b987fc2af37655db22c60f4d4353f2cbfb46908551e2062a1f6c9
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MD5
d699193453fc6061dfe0d356867d9dd6
SHA1f46f65850b4cf28b5d388eb603bfa6c635c552dd
SHA25617ce619306a1a8276f378c1b26f5e1bd4edbb8d40b8594e791640bef05e81e95
SHA5125be7d2e84daaa82d74c43d4214ef3b70e1a7870223b44d986acf0d6023aeb6918e3da340201b987fc2af37655db22c60f4d4353f2cbfb46908551e2062a1f6c9