Analysis
-
max time kernel
144s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:09
Static task
static1
Behavioral task
behavioral1
Sample
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe
Resource
win10v2004-en-20220112
General
-
Target
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe
-
Size
216KB
-
MD5
52e325139052d32d3e0d19d0a6b8685e
-
SHA1
ed7dc1e145eed6d170190acacef337f21669295e
-
SHA256
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12
-
SHA512
c737f54739ab91d167500745575a965f461aace89c56d078030375babd972369ef6fb1493087b1101543cfa9804d36b8ba4c12f914dcb6fa77fcde8b2e177f76
Malware Config
Signatures
-
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/3452-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2796-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
-
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
-
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2796 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.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.
-
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 52 IoCs
Processes:
svchost.exedescription ioc process 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3932" 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\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\UplinkUsageBps = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4376" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.330623" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007764" 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\DownloadMonthlyLanBytes = "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\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 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\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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893070007871582" 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\UploadMonthlyInternetBytes = "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\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.454273" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360" 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\Usage\CPUpct = "0.211149" 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\PeerInfoCount = "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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "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 = "4164" 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\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\MonthlyUploadRestriction = "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\Usage\SwarmCount = "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\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 -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe Token: SeRestorePrivilege 2556 TiWorker.exe Token: SeSecurityPrivilege 2556 TiWorker.exe Token: SeBackupPrivilege 2556 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.execmd.exedescription pid process target process PID 3452 wrote to memory of 2796 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe MediaCenter.exe PID 3452 wrote to memory of 2796 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe MediaCenter.exe PID 3452 wrote to memory of 2796 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe MediaCenter.exe PID 3452 wrote to memory of 2468 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe cmd.exe PID 3452 wrote to memory of 2468 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe cmd.exe PID 3452 wrote to memory of 2468 3452 0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe cmd.exe PID 2468 wrote to memory of 60 2468 cmd.exe PING.EXE PID 2468 wrote to memory of 60 2468 cmd.exe PING.EXE PID 2468 wrote to memory of 60 2468 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe"C:\Users\Admin\AppData\Local\Temp\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2796 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ad51824f8f70a431674367d7ed5cbcb11f513f16a63566a3b4be3019bd50a12.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:60
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4040
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1928
-
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:2556
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d2c35ee80116ac6d610ee47bbb364cef
SHA1c5fb8e9f60ae1ca90b6d8151255e9bdc4da365a2
SHA256ae8dc77671cde8158cf41c3033e53c56066c07e234290c19ab3982c7f9043297
SHA512a88a180c67716ffaba21978f4a5be2755747261e5f4d3c965a243b8d94b3f85266e3c034eeeac0d8cf46c631f35dde9ba75d1913e738b5aa8c2f9e2b0c9e25c4
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d2c35ee80116ac6d610ee47bbb364cef
SHA1c5fb8e9f60ae1ca90b6d8151255e9bdc4da365a2
SHA256ae8dc77671cde8158cf41c3033e53c56066c07e234290c19ab3982c7f9043297
SHA512a88a180c67716ffaba21978f4a5be2755747261e5f4d3c965a243b8d94b3f85266e3c034eeeac0d8cf46c631f35dde9ba75d1913e738b5aa8c2f9e2b0c9e25c4
-
memory/2796-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/3452-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB