Analysis
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max time kernel
158s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:10
Static task
static1
Behavioral task
behavioral1
Sample
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe
Resource
win10v2004-en-20220112
General
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Target
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe
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Size
80KB
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MD5
8b54f5affc9a09286293c9ac1a9b32dd
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SHA1
c8329fd729b5daa2733c9aee4563647b10c6e967
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SHA256
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b
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SHA512
16f7d869297e0e70d85c86842a21ecd9e2132077ca9d39f77a7e96a2e64872cf6ecf6807b4b73543de6ee71344318f2f5d8702907e0fb136905e4cbb3b57d5db
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 3636 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\Config\KVFileExpirationTime = "132893114723883517" 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\DownloadMonthlyCdnBytes = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\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\UploadCount = "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\SwarmCount = "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\DownloadMonthlyInternetBytes = "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\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\PriorityDownloadPendingCount = "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\MonthID = "1" 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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" 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\CacheSizeBytes = "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\DownloadMonthlyLinkLocalBytes = "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\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\Usage\CPUpct = "9.166345" 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\DownloadMonthlyRateBkBps = "1157726" 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\UploadRatePct = "100" 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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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 = "0.124172" 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" 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:
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.execmd.exedescription pid process target process PID 4052 wrote to memory of 3636 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe MediaCenter.exe PID 4052 wrote to memory of 3636 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe MediaCenter.exe PID 4052 wrote to memory of 3636 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe MediaCenter.exe PID 4052 wrote to memory of 3272 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe cmd.exe PID 4052 wrote to memory of 3272 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe cmd.exe PID 4052 wrote to memory of 3272 4052 07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe cmd.exe PID 3272 wrote to memory of 3816 3272 cmd.exe PING.EXE PID 3272 wrote to memory of 3816 3272 cmd.exe PING.EXE PID 3272 wrote to memory of 3816 3272 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe"C:\Users\Admin\AppData\Local\Temp\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3636 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07eceea33c443c88d61550021824a61e84470489a001cafc2b0e01dcc94cca9b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3816
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2876
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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:1364
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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:4068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6c39db513a630d1b9753cd98a3c120e5
SHA1ff51fa9a0e9010764966d1d7747a5ae1a43d1fb9
SHA256ee21bc6507d31cbd2438ed5d139c6d51017557c3c6509a086632bb9134efd1ef
SHA51241e76520b2811636ab4e85c8d405e0a59d59df0f80336a574ad427ead19269ba123e51cc76a34aaf9864f1ae091f4875803e8dc6d2565c62e8aedc5bc3535049
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6c39db513a630d1b9753cd98a3c120e5
SHA1ff51fa9a0e9010764966d1d7747a5ae1a43d1fb9
SHA256ee21bc6507d31cbd2438ed5d139c6d51017557c3c6509a086632bb9134efd1ef
SHA51241e76520b2811636ab4e85c8d405e0a59d59df0f80336a574ad427ead19269ba123e51cc76a34aaf9864f1ae091f4875803e8dc6d2565c62e8aedc5bc3535049