Analysis
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max time kernel
164s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:21
Static task
static1
Behavioral task
behavioral1
Sample
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe
Resource
win10v2004-en-20220112
General
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Target
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe
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Size
101KB
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MD5
cd8b663bea25b1a1ea4a288ef0960f07
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SHA1
76610318193c2d90108206cce69acac3cb23acf5
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SHA256
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3
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SHA512
819502a6ec3ed4973afdb9626894a9c44b34949480d26b2f3b6f83190ddb2dd86964b6879a1848ce16c5bf8f658b5796a5b989800e653068e4c4b5a1837af9e7
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3860 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.375304" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" 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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\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\DownloadMonthlyGroupBytes = "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\MonthID = "2" 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 = "1.219533" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.957114" 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 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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\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\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\SwarmCount = "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\Config\KVFileExpirationTime = "132892862098769676" 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\InternetConnectionCount = "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\UplinkBps = "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\Config\DODownloadMode = "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\DownloadMonthlyRateFrBps = "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\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\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe Token: SeBackupPrivilege 1384 TiWorker.exe Token: SeRestorePrivilege 1384 TiWorker.exe Token: SeSecurityPrivilege 1384 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.execmd.exedescription pid process target process PID 212 wrote to memory of 3860 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe MediaCenter.exe PID 212 wrote to memory of 3860 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe MediaCenter.exe PID 212 wrote to memory of 3860 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe MediaCenter.exe PID 212 wrote to memory of 3732 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe cmd.exe PID 212 wrote to memory of 3732 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe cmd.exe PID 212 wrote to memory of 3732 212 17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe cmd.exe PID 3732 wrote to memory of 1868 3732 cmd.exe PING.EXE PID 3732 wrote to memory of 1868 3732 cmd.exe PING.EXE PID 3732 wrote to memory of 1868 3732 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe"C:\Users\Admin\AppData\Local\Temp\17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17cf7f4dca5648312378cc602767453071b4da260fcbe654c20ed78efad4c5a3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1868
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3036
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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:3516
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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:1384
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
868e58ac1ced165042635570f90ce7e7
SHA1fc4d51d5258f59cbaa3259784ae3ce8fc562951b
SHA256402b9f52eedd0630845372e1772f909cfc2a8391d4398b0927dabac40ab09767
SHA512a812e279d853190ea041ec91388ae6a5d8c3df190deef180fae3236ff7f8b24dc41a21e5a52862c09156f3fbd83647012f977fa50f299d1d66d3486e620d7639
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MD5
868e58ac1ced165042635570f90ce7e7
SHA1fc4d51d5258f59cbaa3259784ae3ce8fc562951b
SHA256402b9f52eedd0630845372e1772f909cfc2a8391d4398b0927dabac40ab09767
SHA512a812e279d853190ea041ec91388ae6a5d8c3df190deef180fae3236ff7f8b24dc41a21e5a52862c09156f3fbd83647012f977fa50f299d1d66d3486e620d7639