Analysis
- max time kernel
157s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 11:34
Static task
static1
Behavioral task
behavioral1
Sample
0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
- Size 79KB
- Sample220212-npvresdebq
- SHA256 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1
- MD5 bde21b216843d962169c77c8ca5d47a3
- SHA1 60f2d63b748ccf0cc7b382163ff835c02b1a7672
- SHA512 76ecdeb4aa504b256951373132b26f9488a5face14500c631023fd86bd8b1c833ff298e2024bed59ef8c4963328f85e04fbc00bb76753d77838caf4d3b2ce99a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ed0d-130.dat family_sakula behavioral2/files/0x000300000001ed0d-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 1440 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe - Drops file in Windows directory 3 IoCs
description 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process 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\UploadRatePct = "100" 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\InternetConnectionCount = "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 = "5.797296" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\UploadCount = "0" 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\MemoryUsageKB = "4068" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.123967" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\CacheSizeBytes = "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\KVFileExpirationTime = "132893170843838556" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" 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 = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4016" 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\DownloadMonthlyRateBkCnt = "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\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\BkDownloadRatePct = "45" 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 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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3100 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeIncBasePriorityPrivilege 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe Token: SeBackupPrivilege 1852 TiWorker.exe Token: SeRestorePrivilege 1852 TiWorker.exe Token: SeSecurityPrivilege 1852 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 992 wrote to memory of 1440 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 57 PID 992 wrote to memory of 1440 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 57 PID 992 wrote to memory of 1440 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 57 PID 992 wrote to memory of 2324 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 74 PID 992 wrote to memory of 2324 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 74 PID 992 wrote to memory of 2324 992 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe 74 PID 2324 wrote to memory of 3100 2324 cmd.exe 76 PID 2324 wrote to memory of 3100 2324 cmd.exe 76 PID 2324 wrote to memory of 3100 2324 cmd.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe"C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1440
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3100
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2436
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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:636
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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:1852