Analysis
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max time kernel
166s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:36
Static task
static1
Behavioral task
behavioral1
Sample
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe
Resource
win10v2004-en-20220112
General
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Target
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe
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Size
88KB
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MD5
d4a669c7424339d7d30b0deb1402921c
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SHA1
200c813c8dc964ec77328f394ced3b2c932d6c28
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SHA256
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9
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SHA512
5cf0615303ee2ef3bbdc5bdfb99f8a8e1c063f0d7c772a700d80ab312b00eb31308785fe3f6a3ea312d61974e332e2e1c295424ce831e96f74f1b41ebdfc8436
Malware Config
Signatures
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Sakula Payload 4 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/2396-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3972-133-0x0000000000400000-0x0000000000420000-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 3972 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.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\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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\Config\DownloadMode_BackCompat = "1" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" 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\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\MonthID = "2" 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\PriorityDownloadPendingCount = "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\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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999712" 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\DownloadMonthlyGroupBytes = "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 = "4164" 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 (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\Config\DODownloadMode = "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\Config\KVFileExpirationTime = "132892979516338022" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142087" 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\DownloadMonthlyLanBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.365079" 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 (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\FrDownloadRatePct = "90" 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\CacheSizeBytes = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exedescription pid process Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeIncBasePriorityPrivilege 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe Token: SeBackupPrivilege 2540 TiWorker.exe Token: SeRestorePrivilege 2540 TiWorker.exe Token: SeSecurityPrivilege 2540 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.execmd.exedescription pid process target process PID 2396 wrote to memory of 3972 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe MediaCenter.exe PID 2396 wrote to memory of 3972 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe MediaCenter.exe PID 2396 wrote to memory of 3972 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe MediaCenter.exe PID 2396 wrote to memory of 2824 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe cmd.exe PID 2396 wrote to memory of 2824 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe cmd.exe PID 2396 wrote to memory of 2824 2396 0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe cmd.exe PID 2824 wrote to memory of 2124 2824 cmd.exe PING.EXE PID 2824 wrote to memory of 2124 2824 cmd.exe PING.EXE PID 2824 wrote to memory of 2124 2824 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe"C:\Users\Admin\AppData\Local\Temp\0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3972 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f825f6727e3a0ff478530a9d3476a04f8b63d422a42806803fe3189318199d9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2124
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3888
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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:3344
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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:2540
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
93164285934eb5211ae3583fcd8df0bb
SHA161a9a311af22b9739c0dcbe0274f9814340ab1db
SHA2567874865504b3b8f9570ee22d16cdbbeeb027423498a451570b629b9e681c80c0
SHA5127d99b625599975675adfae237c24b51e7bde5b71a30eb678121bbf6cc07f9937039b2dfee39c2164a84eef211ec925238728ac7304bc4b6f9f7431ea659a9edc
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MD5
93164285934eb5211ae3583fcd8df0bb
SHA161a9a311af22b9739c0dcbe0274f9814340ab1db
SHA2567874865504b3b8f9570ee22d16cdbbeeb027423498a451570b629b9e681c80c0
SHA5127d99b625599975675adfae237c24b51e7bde5b71a30eb678121bbf6cc07f9937039b2dfee39c2164a84eef211ec925238728ac7304bc4b6f9f7431ea659a9edc