Analysis
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max time kernel
147s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:28
Static task
static1
Behavioral task
behavioral1
Sample
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe
Resource
win10v2004-en-20220112
General
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Target
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe
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Size
150KB
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MD5
3003fa20e08b924f613f966ded0efc0d
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SHA1
6bc9d10c5092b9b80ff453f988d252d4ff3f39c4
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SHA256
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b
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SHA512
c633a939a8633dd084d85464199f9e96a9f6c4bae317b4552596ca4e1f732165716043511e3b1ab27b306ab98adf59846a25fc7ad3626d62eda37643ce62967b
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 -
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 4060 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.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\UploadMonthlyLanBytes = "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\FrDownloadRatePct = "90" 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 = "6.976705" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.001002" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\CDNConnectionCount = "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\UploadCount = "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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "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\NormalDownloadCount = "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\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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893009899382963" 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\UplinkBps = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" 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\Config\DODownloadMode = "1" 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\LANConnectionCount = "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\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage 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\DownlinkBps = "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 = "8.335814" 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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006606" 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\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exedescription pid process Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeIncBasePriorityPrivilege 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe Token: SeBackupPrivilege 3280 TiWorker.exe Token: SeRestorePrivilege 3280 TiWorker.exe Token: SeSecurityPrivilege 3280 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.execmd.exedescription pid process target process PID 552 wrote to memory of 4060 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe MediaCenter.exe PID 552 wrote to memory of 4060 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe MediaCenter.exe PID 552 wrote to memory of 4060 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe MediaCenter.exe PID 552 wrote to memory of 3344 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe cmd.exe PID 552 wrote to memory of 3344 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe cmd.exe PID 552 wrote to memory of 3344 552 0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe cmd.exe PID 3344 wrote to memory of 2128 3344 cmd.exe PING.EXE PID 3344 wrote to memory of 2128 3344 cmd.exe PING.EXE PID 3344 wrote to memory of 2128 3344 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe"C:\Users\Admin\AppData\Local\Temp\0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d77fb9c11adc13f541f7670a6ef15e0fbc9da9d0ef39703f5df780dc2ab012b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2128
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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:3584
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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:3280
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
139b56b6ea00db00b14b252b658cf1d6
SHA1c9470e1f5450837cea4ceef4ba928c1cb2703923
SHA256c3fa171764289cf01b2b851f1f1317553ddca470f4d9285a67f2b1c45cfe9b52
SHA512ebd4ffc24928318219010c5fe4fc303aad32b9667885734a6dced3af842cf3b3cb6f32e6065b1d2a2d7d5d65a4f6e7cef14c05d86849fdab9c47b1ca96ec42a1
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MD5
139b56b6ea00db00b14b252b658cf1d6
SHA1c9470e1f5450837cea4ceef4ba928c1cb2703923
SHA256c3fa171764289cf01b2b851f1f1317553ddca470f4d9285a67f2b1c45cfe9b52
SHA512ebd4ffc24928318219010c5fe4fc303aad32b9667885734a6dced3af842cf3b3cb6f32e6065b1d2a2d7d5d65a4f6e7cef14c05d86849fdab9c47b1ca96ec42a1