Analysis
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max time kernel
155s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:04
Static task
static1
Behavioral task
behavioral1
Sample
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe
Resource
win10v2004-en-20220112
General
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Target
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe
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Size
92KB
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MD5
19b96b1f196c372be09c209cf92d6ec8
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SHA1
813f23b80e8b04d60f3c762f6fdafc0cdf6b4b86
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SHA256
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f
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SHA512
02643f120608c0b33c7d875cb7aaa3d00ade547d6286e09f9c78f125167f0c2d23881ecbb0a4889f4c841febe6e387202eceb445fd3fd8b832353e477ceba5f9
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 528 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCacheHostBytes = "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 = "4232" 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\DownlinkBps = "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\Config\DODownloadMode = "1" 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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.583677" 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\LinkLocalConnectionCount = "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\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\GroupConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892959656432708" 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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" 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 = "4220" 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\UplinkBps = "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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.032010" 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\UplinkUsageBps = "0" 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\DownloadMonthlyInternetBytes = "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\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\Config\DownloadMode_BackCompat = "1" 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 (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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe Token: SeBackupPrivilege 1588 TiWorker.exe Token: SeRestorePrivilege 1588 TiWorker.exe Token: SeSecurityPrivilege 1588 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.execmd.exedescription pid process target process PID 1760 wrote to memory of 528 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe MediaCenter.exe PID 1760 wrote to memory of 528 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe MediaCenter.exe PID 1760 wrote to memory of 528 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe MediaCenter.exe PID 1760 wrote to memory of 1308 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe cmd.exe PID 1760 wrote to memory of 1308 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe cmd.exe PID 1760 wrote to memory of 1308 1760 10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe cmd.exe PID 1308 wrote to memory of 2928 1308 cmd.exe PING.EXE PID 1308 wrote to memory of 2928 1308 cmd.exe PING.EXE PID 1308 wrote to memory of 2928 1308 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe"C:\Users\Admin\AppData\Local\Temp\10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:528 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10f92fc82c4e205ae9a07b49793825556e82a131e1e0b8f55fa9e66f061f5b8f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2928
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:860
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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:3980
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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:1588
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
25e101a7c0703b4b57e2c1057a0b3330
SHA1d5cb55f542a26420512cd2bb5199e78367080381
SHA256ba6f3250cd902db27c70ed043589b95f2f67e24b72c735165e60acb6ba3a0db4
SHA512c35948eb42f90ab3c3b403406db4143cfaaecb0ae8caf28d8a440f72e5e920f6200fa8354fec01c5f395f6fae631f7051c9ad3b1da23e541fa14c40f387f2b1c
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MD5
25e101a7c0703b4b57e2c1057a0b3330
SHA1d5cb55f542a26420512cd2bb5199e78367080381
SHA256ba6f3250cd902db27c70ed043589b95f2f67e24b72c735165e60acb6ba3a0db4
SHA512c35948eb42f90ab3c3b403406db4143cfaaecb0ae8caf28d8a440f72e5e920f6200fa8354fec01c5f395f6fae631f7051c9ad3b1da23e541fa14c40f387f2b1c