Analysis
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max time kernel
167s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:10
Static task
static1
Behavioral task
behavioral1
Sample
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe
Resource
win10v2004-en-20220112
General
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Target
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe
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Size
100KB
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MD5
d6e463e8d2167a85a5a7b71ae5577e0a
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SHA1
9ab60415d2522426695a4d5d6116d0176985e43f
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SHA256
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c
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SHA512
2b1ee226c8eb6a5e4dbaeefd5df181a3c3aa93d7d8c0eff690b96519470b7ff821eab2a14000c892c65559ee35790224b0d419332b1e14db17c2362f36739774
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 1052 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.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 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\DownloadMonthlyRateFrCnt = "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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.531756" 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\DownloadMonthlyCdnBytes = "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\GroupConnectionCount = "0" 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\Config\KVFileExpirationTime = "132893116100751228" 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\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\Usage\UplinkUsageBps = "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\MemoryUsageKB = "4220" 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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.255536" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\InternetConnectionCount = "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\MemoryUsageKB = "4108" 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\CDNConnectionCount = "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\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\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\DownloadMonthlyInternetBytes = "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\Usage\LANConnectionCount = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe Token: SeBackupPrivilege 3368 TiWorker.exe Token: SeRestorePrivilege 3368 TiWorker.exe Token: SeSecurityPrivilege 3368 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.execmd.exedescription pid process target process PID 2464 wrote to memory of 1052 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe MediaCenter.exe PID 2464 wrote to memory of 1052 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe MediaCenter.exe PID 2464 wrote to memory of 1052 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe MediaCenter.exe PID 2464 wrote to memory of 2104 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe cmd.exe PID 2464 wrote to memory of 2104 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe cmd.exe PID 2464 wrote to memory of 2104 2464 07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe cmd.exe PID 2104 wrote to memory of 2628 2104 cmd.exe PING.EXE PID 2104 wrote to memory of 2628 2104 cmd.exe PING.EXE PID 2104 wrote to memory of 2628 2104 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe"C:\Users\Admin\AppData\Local\Temp\07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07e9ff81aacf9a25ff432bd200130b6545880a250846467863eb5495d4858c2c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2628
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2848
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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:3752
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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:3368
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
256e2016c6b56c6eb4182a51dfcfb0db
SHA180bacd7b8b14b957a7072e29a70224d07a90e43b
SHA256ee8648aaf954811b9f3ca02e74dc5351534b6142f6cf3be7c2a55e317aa7d1af
SHA512eb7927fdbd5dbe0b07cf2ed112e34f479763ea157a7de853c7ee1b4c80387c1e6a09436dccdd6005a1330d3a0e58e7e23ab9cb54f9ffd60e1bfa4ac81a6a8a6c
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
256e2016c6b56c6eb4182a51dfcfb0db
SHA180bacd7b8b14b957a7072e29a70224d07a90e43b
SHA256ee8648aaf954811b9f3ca02e74dc5351534b6142f6cf3be7c2a55e317aa7d1af
SHA512eb7927fdbd5dbe0b07cf2ed112e34f479763ea157a7de853c7ee1b4c80387c1e6a09436dccdd6005a1330d3a0e58e7e23ab9cb54f9ffd60e1bfa4ac81a6a8a6c