Analysis
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max time kernel
150s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:49
Static task
static1
Behavioral task
behavioral1
Sample
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe
Resource
win10v2004-en-20220112
General
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Target
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe
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Size
80KB
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MD5
ef886ad1945c88608fc76924144735af
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SHA1
8109c28a772d0180e8f532870a088f849175f52c
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SHA256
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72
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SHA512
c9d01708e4586be0f01890526ee7c6cd6cbb8fbdfa5b806ff17c797468fc3682fce0dabd28a1d7aee82793ab895bd1faf76a182790433719a7cc9c02ee944508
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 1128 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.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\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\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\UploadRatePct = "100" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.651437" 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\KVFileExpirationTime = "132892950996327284" 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\NormalDownloadCount = "0" 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\Usage\SwarmCount = "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 (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\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\BkDownloadRatePct = "45" 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 = "24.993842" 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\UploadMonthlyInternetBytes = "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\UploadCount = "0" 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\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\FrDownloadRatePct = "90" 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\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\DownloadMonthlyGroupBytes = "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\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\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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166571" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\CacheSizeBytes = "0" 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 (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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe Token: SeBackupPrivilege 388 TiWorker.exe Token: SeRestorePrivilege 388 TiWorker.exe Token: SeSecurityPrivilege 388 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.execmd.exedescription pid process target process PID 544 wrote to memory of 1128 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe MediaCenter.exe PID 544 wrote to memory of 1128 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe MediaCenter.exe PID 544 wrote to memory of 1128 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe MediaCenter.exe PID 544 wrote to memory of 1816 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe cmd.exe PID 544 wrote to memory of 1816 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe cmd.exe PID 544 wrote to memory of 1816 544 119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe cmd.exe PID 1816 wrote to memory of 1320 1816 cmd.exe PING.EXE PID 1816 wrote to memory of 1320 1816 cmd.exe PING.EXE PID 1816 wrote to memory of 1320 1816 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe"C:\Users\Admin\AppData\Local\Temp\119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1128 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\119671d6935d96fc8344de86773a690f269c9c953f82426fca8f46c29f7b5d72.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1320
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2628
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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:808
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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:388
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
3216ac4e1e83d1b18f8fe9d17eb4d3ef
SHA1e5398061008069e2e74a7c28c2390d475659db0e
SHA25612525b341a0a2adb1e3a7ac7e6095a82ed1d5e2d08f3f602315ff5f419a6e8d2
SHA512f8b2d61eb0f13fe98a9e5ed29715a06db61b2e73a4f004aba3d64fd8a44d54842aa7dddb1466a0eba25c2decd2df1ebdb66e7e82a3735e01f4537296c2815dee
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MD5
3216ac4e1e83d1b18f8fe9d17eb4d3ef
SHA1e5398061008069e2e74a7c28c2390d475659db0e
SHA25612525b341a0a2adb1e3a7ac7e6095a82ed1d5e2d08f3f602315ff5f419a6e8d2
SHA512f8b2d61eb0f13fe98a9e5ed29715a06db61b2e73a4f004aba3d64fd8a44d54842aa7dddb1466a0eba25c2decd2df1ebdb66e7e82a3735e01f4537296c2815dee