Analysis
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max time kernel
159s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:49
Static task
static1
Behavioral task
behavioral1
Sample
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe
Resource
win10v2004-en-20220112
General
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Target
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe
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Size
188KB
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MD5
b5fccde26da0806e4ff89bfd58ad2932
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SHA1
0476ba5a48f259384ffaec3d057cabcf29653add
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SHA256
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2
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SHA512
492601f6147a02f62062017e29dbbc31d3c96fc255aeb09fd525ccf32db7c7408a91cf4ee55d8e1c73c4899533954f11f231fb7fa21306ef99ae4da4a8869389
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/3452-132-0x0000000000400000-0x0000000000420000-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 1464 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.144717" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" 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\Usage\MemoryUsageKB = "4024" 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\SwarmCount = "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\DownloadMonthlyLanBytes = "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\BkDownloadRatePct = "45" 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 = "132893023866200714" 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\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\DownloadMonthlyRateBkBps = "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\UploadCount = "0" svchost.exe 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\Usage 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\DownloadMonthlyRateFrBps = "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\MemoryUsageKB = "4104" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.115075" 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\DownloadMonthlyRateFrCnt = "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\CDNConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadPendingCount = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.333322" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\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\PeerInfoCount = "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\MemoryUsageKB = "4324" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exedescription pid process Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeIncBasePriorityPrivilege 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe Token: SeBackupPrivilege 1220 TiWorker.exe Token: SeRestorePrivilege 1220 TiWorker.exe Token: SeSecurityPrivilege 1220 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.execmd.exedescription pid process target process PID 3452 wrote to memory of 1464 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe MediaCenter.exe PID 3452 wrote to memory of 1464 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe MediaCenter.exe PID 3452 wrote to memory of 1464 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe MediaCenter.exe PID 3452 wrote to memory of 1596 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe cmd.exe PID 3452 wrote to memory of 1596 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe cmd.exe PID 3452 wrote to memory of 1596 3452 0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe cmd.exe PID 1596 wrote to memory of 3408 1596 cmd.exe PING.EXE PID 1596 wrote to memory of 3408 1596 cmd.exe PING.EXE PID 1596 wrote to memory of 3408 1596 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe"C:\Users\Admin\AppData\Local\Temp\0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1464 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c9577428e8309f347c60ec09ffd783d9ca61893a8b7fcd6b17867a4596349e2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3408
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:1820
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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:1212
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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:1220
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
aeafbe0e17dcf4cf0ff4bbdf558d7737
SHA11c3ad91b4d131f83c43942b8f351c120fca62cfd
SHA2568b7ec274392e2734e854108a933bd011c58f3d698fc59c21b9494876b816481b
SHA5124e1420d89ad50d6d4fc1c50974976a686da417cc918e2e590c80b0dd081f3c945402e91750b6d20e62fb4e2d291877be41b0e8f439642a4bc0ab1283439c3c6d
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MD5
aeafbe0e17dcf4cf0ff4bbdf558d7737
SHA11c3ad91b4d131f83c43942b8f351c120fca62cfd
SHA2568b7ec274392e2734e854108a933bd011c58f3d698fc59c21b9494876b816481b
SHA5124e1420d89ad50d6d4fc1c50974976a686da417cc918e2e590c80b0dd081f3c945402e91750b6d20e62fb4e2d291877be41b0e8f439642a4bc0ab1283439c3c6d