Analysis
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max time kernel
154s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:04
Static task
static1
Behavioral task
behavioral1
Sample
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe
Resource
win10v2004-en-20220112
General
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Target
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe
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Size
92KB
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MD5
be32d74cc32099640aef31b75ba558db
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SHA1
1afbd938d2cb4f5e42a3a58790886ec45321849d
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SHA256
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577
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SHA512
f4c14bf8d726f0bd1d9d5903054f5d8445d01b9ce7fc0c8721f9e68b8142f779b18f4f0fc3c837b834eac86e9b2d5d026e19d2aee1216891a7476794fa42df6b
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 -
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 3040 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.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\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\UplinkBps = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.781262" 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\InternetConnectionCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.794850" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892851745156014" 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\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\GroupConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" 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\PeerInfoCount = "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 (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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.826452" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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 (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\UploadRatePct = "100" 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\MemoryUsageKB = "4232" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe Token: SeBackupPrivilege 3384 TiWorker.exe Token: SeRestorePrivilege 3384 TiWorker.exe Token: SeSecurityPrivilege 3384 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.execmd.exedescription pid process target process PID 3296 wrote to memory of 3040 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe MediaCenter.exe PID 3296 wrote to memory of 3040 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe MediaCenter.exe PID 3296 wrote to memory of 3040 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe MediaCenter.exe PID 3296 wrote to memory of 4008 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe cmd.exe PID 3296 wrote to memory of 4008 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe cmd.exe PID 3296 wrote to memory of 4008 3296 18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe cmd.exe PID 4008 wrote to memory of 876 4008 cmd.exe PING.EXE PID 4008 wrote to memory of 876 4008 cmd.exe PING.EXE PID 4008 wrote to memory of 876 4008 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe"C:\Users\Admin\AppData\Local\Temp\18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3040 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18abd00be962a98dd18bc1bde5144515d464d2825ec3c8095c1208e322c14577.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:876
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1492
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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:4036
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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:3384
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
78408d3fee798e770821c87e6635bfa0
SHA1b715152c5849556716bafef8f2d67a6f83d91f46
SHA256eb9a1b83c84b778591a2260db2ee2332ea411c053a84bb6ddd9203f34c519db5
SHA512042d35f1afecddd6acf897f9d87e54171adea19aedcea8e668b8dce9bb4cc28bef10054b2012915c5dcb40016337f6a00e7f4967235246c7fb6e8b11221e9015
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MD5
78408d3fee798e770821c87e6635bfa0
SHA1b715152c5849556716bafef8f2d67a6f83d91f46
SHA256eb9a1b83c84b778591a2260db2ee2332ea411c053a84bb6ddd9203f34c519db5
SHA512042d35f1afecddd6acf897f9d87e54171adea19aedcea8e668b8dce9bb4cc28bef10054b2012915c5dcb40016337f6a00e7f4967235246c7fb6e8b11221e9015