Analysis
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max time kernel
167s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:45
Static task
static1
Behavioral task
behavioral1
Sample
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe
Resource
win10v2004-en-20220112
General
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Target
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe
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Size
79KB
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MD5
67d21006cb9c3141f7cb8d6c48d9e9c2
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SHA1
514d996c51f6f1762d367b8f710f2598cd57ee43
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SHA256
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156
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SHA512
3a46263d08591c6d672a395f2a1d6ef46915df0e9e0660a5277dadd05ea6e14a4bb8baf57d78ea3a3fc06fc15bda53b7b5126c5c6c8aaa313b17e400cc88a849
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 3348 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.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 -
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 47 IoCs
Processes:
svchost.exedescription ioc process 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\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\MemoryUsageKB = "4108" 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\Config\DownloadMode_BackCompat = "1" 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\Usage\CPUpct = "0.000000" 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\MonthID = "2" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.119048" 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\DownloadMonthlyCacheHostBytes = "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\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\DownlinkBps = "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\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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100" 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 = "9.997172" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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\DownloadMonthlyRateFrBps = "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\DownlinkUsageBps = "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\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\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\GroupConnectionCount = "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\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\InternetConnectionCount = "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 = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe Token: SeBackupPrivilege 3284 TiWorker.exe Token: SeRestorePrivilege 3284 TiWorker.exe Token: SeSecurityPrivilege 3284 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.execmd.exedescription pid process target process PID 4000 wrote to memory of 3348 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe MediaCenter.exe PID 4000 wrote to memory of 3348 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe MediaCenter.exe PID 4000 wrote to memory of 3348 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe MediaCenter.exe PID 4000 wrote to memory of 3388 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe cmd.exe PID 4000 wrote to memory of 3388 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe cmd.exe PID 4000 wrote to memory of 3388 4000 0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe cmd.exe PID 3388 wrote to memory of 3004 3388 cmd.exe PING.EXE PID 3388 wrote to memory of 3004 3388 cmd.exe PING.EXE PID 3388 wrote to memory of 3004 3388 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe"C:\Users\Admin\AppData\Local\Temp\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3348 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3004
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1304
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:3004
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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:3284
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0f55ca30e3a6196b359d5d5a05f34480
SHA1dc2e1dbcc5a2954d53ef970d046e5ea3d8844b9f
SHA2564c7e23a79dc215053384e60c0045b4c6ec52b9e34ae996b36390f7996a75e1ad
SHA51268f4cf0542b96461e0f9b4bee1e615da49c8b4ac6e30d5d60d4cbf17ffd67d6b19363ae088f9c640bbd13d078f4e2cfa942d5fec9d6c11e657dd9d8c982e942a
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MD5
0f55ca30e3a6196b359d5d5a05f34480
SHA1dc2e1dbcc5a2954d53ef970d046e5ea3d8844b9f
SHA2564c7e23a79dc215053384e60c0045b4c6ec52b9e34ae996b36390f7996a75e1ad
SHA51268f4cf0542b96461e0f9b4bee1e615da49c8b4ac6e30d5d60d4cbf17ffd67d6b19363ae088f9c640bbd13d078f4e2cfa942d5fec9d6c11e657dd9d8c982e942a