Analysis
-
max time kernel
158s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:48
Static task
static1
Behavioral task
behavioral1
Sample
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe
Resource
win10v2004-en-20220112
General
-
Target
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe
-
Size
92KB
-
MD5
733cac2ce9d760a66bfdff24ee6ae7ba
-
SHA1
85414922f21253823d1192497caf3e171780c8aa
-
SHA256
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf
-
SHA512
137863b41de45b9d60f0b4d80d669cafbea982d1d66ba475b373c38ba933669129213fe91a06ac388fecda31e72e5ccc67701cd63f7d23d9388cd7a7020b6b3f
Malware Config
Signatures
-
Sakula Payload 2 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 -
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 3652 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyInternetBytes = "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\MonthID = "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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "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\MemoryUsageKB = "4136" 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\DownloadMonthlyCdnBytes = "0" 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 = "0.000000" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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 (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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\UploadCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333452" 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\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\MemoryUsageKB = "3988" 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\PeerInfoCount = "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\NormalDownloadCount = "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\PriorityDownloadCount = "0" 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 = "3.030174" 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\GroupConnectionCount = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893140855904438" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006602" 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\CacheSizeBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exedescription pid process Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeIncBasePriorityPrivilege 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe Token: SeBackupPrivilege 3680 TiWorker.exe Token: SeRestorePrivilege 3680 TiWorker.exe Token: SeSecurityPrivilege 3680 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.execmd.exedescription pid process target process PID 2148 wrote to memory of 3652 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe MediaCenter.exe PID 2148 wrote to memory of 3652 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe MediaCenter.exe PID 2148 wrote to memory of 3652 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe MediaCenter.exe PID 2148 wrote to memory of 1964 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe cmd.exe PID 2148 wrote to memory of 1964 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe cmd.exe PID 2148 wrote to memory of 1964 2148 0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe cmd.exe PID 1964 wrote to memory of 3220 1964 cmd.exe PING.EXE PID 1964 wrote to memory of 3220 1964 cmd.exe PING.EXE PID 1964 wrote to memory of 3220 1964 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe"C:\Users\Admin\AppData\Local\Temp\0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0610398fed04a39d7635832ce60b4c3d2f9b467b0a20b07393e52ff1adb3cedf.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3220
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:320
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3960
-
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:3680
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e7b982555d6f598c88d406d43a28cf02
SHA113dde706ab55bdfa775b3707943d3d62c4e90e2b
SHA256be3bce694e3edbb44358288ddbaa98bf9f2806e60183ef4df7b9979650546cd7
SHA5124dcb86241b078ff3a67675a3e49ce9fc94bcf5bf0cec574e610f90f8a0b2521322a67c1cd768b175a5b383cc4e47e1c0a59abad37693257cdee343d79141ea19
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e7b982555d6f598c88d406d43a28cf02
SHA113dde706ab55bdfa775b3707943d3d62c4e90e2b
SHA256be3bce694e3edbb44358288ddbaa98bf9f2806e60183ef4df7b9979650546cd7
SHA5124dcb86241b078ff3a67675a3e49ce9fc94bcf5bf0cec574e610f90f8a0b2521322a67c1cd768b175a5b383cc4e47e1c0a59abad37693257cdee343d79141ea19