Analysis
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max time kernel
165s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:25
Static task
static1
Behavioral task
behavioral1
Sample
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe
Resource
win10v2004-en-20220112
General
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Target
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe
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Size
192KB
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MD5
22be18bd103dfd1d7f848ebe6d16814e
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SHA1
8156fc566bdfe8dd1855628af6b3a4b36192844b
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SHA256
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e
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SHA512
5330397c01849492b770f3671ed24c955fd835b1ba18040dcfbb9c292102b97295a8f300ac772cf669397b0376bc62987d2acfbfc04af7578672d5cb49831941
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 3276 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.282065" 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 = "4064" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.781221" 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\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.865697" 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\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\DownlinkBps = "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\UploadRatePct = "100" 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\UploadMonthlyLanBytes = "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\SwarmCount = "1" 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\UplinkUsageBps = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196" 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\UplinkBps = "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\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\Config\KVFileExpirationTime = "132893125970722442" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.execmd.exedescription pid process target process PID 244 wrote to memory of 3276 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe MediaCenter.exe PID 244 wrote to memory of 3276 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe MediaCenter.exe PID 244 wrote to memory of 3276 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe MediaCenter.exe PID 244 wrote to memory of 4088 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe cmd.exe PID 244 wrote to memory of 4088 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe cmd.exe PID 244 wrote to memory of 4088 244 074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe cmd.exe PID 4088 wrote to memory of 1784 4088 cmd.exe PING.EXE PID 4088 wrote to memory of 1784 4088 cmd.exe PING.EXE PID 4088 wrote to memory of 1784 4088 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe"C:\Users\Admin\AppData\Local\Temp\074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:244 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3276 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\074665acb0d591fc0eda5212cedef6b07f803506857bac61a642de14b5eb407e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1784
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2916
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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:3140
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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:2792
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
22b75a5539797c41472e742c28528b76
SHA1c75346689044cbbe52eb58cb53295b17f7dc5e9b
SHA256de12c054a8b306526539779b5b253c4b185e7a2d5d0208914d83de35c9c7587f
SHA5123d2bd595580ca4d54b35059805d8e83d6056afe593830702277b32b92d3de76bcaab0c86d7a4bcb22d6810d2669d0e5c6713f3f607af22ec3a3f3d09803863f4
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
22b75a5539797c41472e742c28528b76
SHA1c75346689044cbbe52eb58cb53295b17f7dc5e9b
SHA256de12c054a8b306526539779b5b253c4b185e7a2d5d0208914d83de35c9c7587f
SHA5123d2bd595580ca4d54b35059805d8e83d6056afe593830702277b32b92d3de76bcaab0c86d7a4bcb22d6810d2669d0e5c6713f3f607af22ec3a3f3d09803863f4