Analysis
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max time kernel
173s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:20
Static task
static1
Behavioral task
behavioral1
Sample
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe
Resource
win10v2004-en-20220112
General
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Target
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe
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Size
176KB
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MD5
bddd5dcfa53a5a205fb047be56d00479
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SHA1
1f42c2131e0a8b4e123d44d9aa7012b91892f8b8
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SHA256
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210
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SHA512
48cb8a38218562286b7aaadb56f09e5ca9cf0342ec037966f6a1dc26fcc3caccc292fe784ea629e9f76337728f5d9f0b07eab9c85ed7b143c1459cd46acb0d56
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/2876-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1132 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 52 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\DownloadMode_BackCompat = "1" 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\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.125634" 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\MonthID = "2" 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.601099" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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 = "4312" 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\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\DownlinkBps = "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 = "0.072464" 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\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4032" 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\CacheSizeBytes = "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\UplinkUsageBps = "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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893124490059341" 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\FrDownloadRatePct = "90" 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 = "4112" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exedescription pid process Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeIncBasePriorityPrivilege 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe Token: SeBackupPrivilege 5884 TiWorker.exe Token: SeRestorePrivilege 5884 TiWorker.exe Token: SeSecurityPrivilege 5884 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.execmd.exedescription pid process target process PID 2876 wrote to memory of 1132 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe MediaCenter.exe PID 2876 wrote to memory of 1132 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe MediaCenter.exe PID 2876 wrote to memory of 1132 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe MediaCenter.exe PID 2876 wrote to memory of 1836 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe cmd.exe PID 2876 wrote to memory of 1836 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe cmd.exe PID 2876 wrote to memory of 1836 2876 078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe cmd.exe PID 1836 wrote to memory of 5252 1836 cmd.exe PING.EXE PID 1836 wrote to memory of 5252 1836 cmd.exe PING.EXE PID 1836 wrote to memory of 5252 1836 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe"C:\Users\Admin\AppData\Local\Temp\078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1132 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\078dd28f2810b9a3a9589bfd5e29e80bd14624bc42ce56b5865707bea5a2f210.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:5252
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:5376
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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:5672
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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:5884
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
90c0ef725811b8d47351b518cf3d18f0
SHA10e1ddab7ed3a9de89ea34083fea1d8039b90409b
SHA256acc2d0c0a37ac7eea0ca602633e1d55cb860c833fcd33ef95a65d4cb06426def
SHA512641f808b269c7c305a0779e5b891059ac31c3ea89be34e585b54b021e746de496b9fb756499ae76c376c9cd82d488808d2305cc3ba0a23ff0772ed9e5674dabc
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
90c0ef725811b8d47351b518cf3d18f0
SHA10e1ddab7ed3a9de89ea34083fea1d8039b90409b
SHA256acc2d0c0a37ac7eea0ca602633e1d55cb860c833fcd33ef95a65d4cb06426def
SHA512641f808b269c7c305a0779e5b891059ac31c3ea89be34e585b54b021e746de496b9fb756499ae76c376c9cd82d488808d2305cc3ba0a23ff0772ed9e5674dabc
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memory/2876-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB