Analysis
- max time kernel
163s - max time network
182s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 08:16
Static task
static1
Behavioral task
behavioral1
Sample
0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe
- Size 92KB
- Sample220212-j6fxdaaab5
- SHA256 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec
- MD5 538d444d46aad661b32fee6ef80605d8
- SHA1 0ee7098f4cdd69f5f7877404016d2f74fd13603c
- SHA512 fd9e85a8eb185ae6c3a93f27b4e8df389ba1dbb207a9ae834cbf64a79b55e79b71ae70b9fa10115134824c03fa2b13d3a5b1da3cc90a1abc6be2394bb24360f9
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001e698-130.dat family_sakula behavioral2/files/0x000300000001e698-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 1260 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 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.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" 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.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 52 IoCs
description ioc Process 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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\MonthID = "2" 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\UplinkUsageBps = "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\UploadCount = "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\DODownloadMode = "1" 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\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 (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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1" 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\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 (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 = "0.000000" 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\BkDownloadRatePct = "45" 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 = "3.571405" 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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4104" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.671183" 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\FrDownloadRatePct = "90" 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\UploadMonthlyLanBytes = "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\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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893039773347798" 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\MemoryUsageKB = "4336" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3952" 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 = "5.555980" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\CacheSizeBytes = "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\NormalDownloadCount = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3172 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe Token: SeRestorePrivilege 1692 TiWorker.exe Token: SeSecurityPrivilege 1692 TiWorker.exe Token: SeBackupPrivilege 1692 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2644 wrote to memory of 1260 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 63 PID 2644 wrote to memory of 1260 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 63 PID 2644 wrote to memory of 1260 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 63 PID 2644 wrote to memory of 4052 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 78 PID 2644 wrote to memory of 4052 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 78 PID 2644 wrote to memory of 4052 2644 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe 78 PID 4052 wrote to memory of 3172 4052 cmd.exe 80 PID 4052 wrote to memory of 3172 4052 cmd.exe 80 PID 4052 wrote to memory of 3172 4052 cmd.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe"C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1260
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3172
-
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1892
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1888
-
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:1692