Analysis
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max time kernel
159s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:39
Static task
static1
Behavioral task
behavioral1
Sample
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe
Resource
win10v2004-en-20220112
General
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Target
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe
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Size
168KB
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MD5
b7e8f41e681092c884506d73ab6f0648
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SHA1
3795dd2a7bc8635018a0e65394641ebf6005d1d1
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SHA256
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601
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SHA512
309c30ccc92c33da1b4bd728a544db173fea0c61ef660de8d66ca96ec6e3ac5de50c56b135d3f9bd821c3416879e30f36b8259a6cd97f5ee6ab3178b0daf8aba
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/3144-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/772-133-0x0000000000400000-0x0000000000420000-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 772 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\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\MemoryUsageKB = "4308" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892908152823343" 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\UplinkBps = "0" 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 = "11.537201" 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\DownloadMonthlyLanBytes = "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\SwarmCount = "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\DownloadMonthlyRateBkCnt = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166720" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" 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\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\UploadCount = "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\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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\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 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 = "4016" 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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1" 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\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 (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\Usage\CPUpct = "0.006578" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe Token: SeRestorePrivilege 2408 TiWorker.exe Token: SeSecurityPrivilege 2408 TiWorker.exe Token: SeBackupPrivilege 2408 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.execmd.exedescription pid process target process PID 3144 wrote to memory of 772 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe MediaCenter.exe PID 3144 wrote to memory of 772 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe MediaCenter.exe PID 3144 wrote to memory of 772 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe MediaCenter.exe PID 3144 wrote to memory of 3296 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe cmd.exe PID 3144 wrote to memory of 3296 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe cmd.exe PID 3144 wrote to memory of 3296 3144 14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe cmd.exe PID 3296 wrote to memory of 3508 3296 cmd.exe PING.EXE PID 3296 wrote to memory of 3508 3296 cmd.exe PING.EXE PID 3296 wrote to memory of 3508 3296 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe"C:\Users\Admin\AppData\Local\Temp\14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:772 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14e24de9a3ccde5efe7020d1622a74c8deadf83464c09e9148ad7819686d5601.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3508
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1724
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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:3396
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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:2408
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b884f2240f23f87d0b2a7a977a4eaf95
SHA1f9f34ab99c10b0dcc63e9ef314dca7c4dc87b760
SHA2568a118e93e3dbd263844a74e460ecf79210f4b1c6f412958f462b8da6b042998e
SHA512bd6c5ac07989e395d774c11bcd41da058e16379fbcba0afa6cada4490df44e520fd189708926be67b36a6669ae294ca266f6fafa8c5118af626f5b498fb237f9
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MD5
b884f2240f23f87d0b2a7a977a4eaf95
SHA1f9f34ab99c10b0dcc63e9ef314dca7c4dc87b760
SHA2568a118e93e3dbd263844a74e460ecf79210f4b1c6f412958f462b8da6b042998e
SHA512bd6c5ac07989e395d774c11bcd41da058e16379fbcba0afa6cada4490df44e520fd189708926be67b36a6669ae294ca266f6fafa8c5118af626f5b498fb237f9