Analysis
-
max time kernel
158s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe
Resource
win10v2004-en-20220112
General
-
Target
0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe
-
Size
100KB
-
MD5
12e55708f058e6ba253c47ddc146a957
-
SHA1
828238f430b020627457f5847c1ff286b65e3f4d
-
SHA256
0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363
-
SHA512
b8cac2025d4fcbca25e45af8ec07187ef22cb4257d7169a9e3f874a970f62b4371841df881282a503eef7db9d73ec1e95605367e11616442eb484b8b24633f25
Malware Config
Signatures
-
Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000800000001b6de-130.dat family_sakula behavioral2/files/0x000800000001b6de-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 3176 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 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.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" 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.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.
-
Modifies data under HKEY_USERS 50 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" 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 = "4.877905" 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\UploadCount = "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\UplinkBps = "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\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\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\UploadMonthlyLanBytes = "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\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "30.003418" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892979684726040" 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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "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\Config 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\CDNConnectionCount = "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 = "2.343786" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\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\MemoryUsageKB = "4316" 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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\DownlinkUsageBps = "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\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "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\MemoryUsageKB = "4264" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3992 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1224 wrote to memory of 3176 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 61 PID 1224 wrote to memory of 3176 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 61 PID 1224 wrote to memory of 3176 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 61 PID 1224 wrote to memory of 3332 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 72 PID 1224 wrote to memory of 3332 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 72 PID 1224 wrote to memory of 3332 1224 0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe 72 PID 3332 wrote to memory of 3992 3332 cmd.exe 74 PID 3332 wrote to memory of 3992 3332 cmd.exe 74 PID 3332 wrote to memory of 3992 3332 cmd.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe"C:\Users\Admin\AppData\Local\Temp\0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3176
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f766c491e3cc09ee834861e2a2eb85c20f3ef82faf709db776022df7e086363.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3992
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:452
-
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:2968