Analysis
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max time kernel
153s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:05
Static task
static1
Behavioral task
behavioral1
Sample
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe
Resource
win10v2004-en-20220112
General
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Target
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe
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Size
150KB
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MD5
c44f6485b81f5be95d0d3ad03873c16f
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SHA1
622040b375a38950a91162842a7dc1b1d3d0f41c
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SHA256
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246
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SHA512
2fe403b0f00a04a036eeda39aefc6f94ba13a5b3cf47f2813a3ddf2b3e5725c4e3ea68d8e69fecbb4f3c8cc8b7067a56c20e87d84929b784ce7ee57276387bee
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 1268 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" 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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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 (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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013198" 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\InternetConnectionCount = "0" 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 = "8.064310" 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\DownloadMonthlyCacheHostBytes = "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\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\UploadRatePct = "100" 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\DownlinkBps = "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\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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892851489573622" 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\DownlinkUsageBps = "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\MemoryUsageKB = "4120" 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\GroupConnectionCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" 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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.597476" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exedescription pid process Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeIncBasePriorityPrivilege 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe Token: SeBackupPrivilege 3568 TiWorker.exe Token: SeRestorePrivilege 3568 TiWorker.exe Token: SeSecurityPrivilege 3568 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.execmd.exedescription pid process target process PID 1212 wrote to memory of 1268 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe MediaCenter.exe PID 1212 wrote to memory of 1268 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe MediaCenter.exe PID 1212 wrote to memory of 1268 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe MediaCenter.exe PID 1212 wrote to memory of 1540 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe cmd.exe PID 1212 wrote to memory of 1540 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe cmd.exe PID 1212 wrote to memory of 1540 1212 18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe cmd.exe PID 1540 wrote to memory of 860 1540 cmd.exe PING.EXE PID 1540 wrote to memory of 860 1540 cmd.exe PING.EXE PID 1540 wrote to memory of 860 1540 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe"C:\Users\Admin\AppData\Local\Temp\18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1268 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18a37060939d2494e98792fd27ef274a9796508b4eff66034541766634bf6246.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:860
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2172
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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:3716
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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:3568
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
06b5c5ad802b7bda6dbf5c478102ef9b
SHA1b625ba7dedea7305910dac7fe06b8ec967f26b16
SHA256489022ff2bf7fe6531277c5b5619cf9854bdf2e5af0d533ac0bb1d76c1b49137
SHA51251c39d7a209a2f4739b57ba11aef39c382a7b0f1f6b9129437ad150206192e1652e1abdbaf5fe3a99592809213664895be53b48518e255883d6786d520e44187
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MD5
06b5c5ad802b7bda6dbf5c478102ef9b
SHA1b625ba7dedea7305910dac7fe06b8ec967f26b16
SHA256489022ff2bf7fe6531277c5b5619cf9854bdf2e5af0d533ac0bb1d76c1b49137
SHA51251c39d7a209a2f4739b57ba11aef39c382a7b0f1f6b9129437ad150206192e1652e1abdbaf5fe3a99592809213664895be53b48518e255883d6786d520e44187