Analysis
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max time kernel
167s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:10
Static task
static1
Behavioral task
behavioral1
Sample
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe
Resource
win10v2004-en-20220112
General
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Target
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe
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Size
216KB
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MD5
c216b8087383fc257efbf9d78b9308cd
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SHA1
e18ad2bd4c887c8c2af5de0158502becf84420fb
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SHA256
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf
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SHA512
0f9036618368b57dd1c55561f12d1c93d181e1093076ca0db4c6c6e7f857e3f032b88657f2640a75f650ca6fa0f145305b4c4c440157fd0f4b630dd4eac97c9f
Malware Config
Signatures
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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/204-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3744-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3744 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.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.
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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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription 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\FrDownloadRatePct = "90" 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\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\DownloadMonthlyCacheHostBytes = "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\PeerInfoCount = "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 = "2.488590" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.884530" 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\Config\KVFileExpirationTime = "132893114579233337" 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\SwarmCount = "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\Usage\SwarmCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "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\UplinkBps = "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\Config\DownloadMode_BackCompat = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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\UploadRatePct = "100" 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\LANConnectionCount = "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 = "4184" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\CDNConnectionCount = "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\NormalDownloadPendingCount = "0" 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\LinkLocalConnectionCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exedescription pid process Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeIncBasePriorityPrivilege 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe Token: SeBackupPrivilege 4068 TiWorker.exe Token: SeRestorePrivilege 4068 TiWorker.exe Token: SeSecurityPrivilege 4068 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.execmd.exedescription pid process target process PID 204 wrote to memory of 3744 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe MediaCenter.exe PID 204 wrote to memory of 3744 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe MediaCenter.exe PID 204 wrote to memory of 3744 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe MediaCenter.exe PID 204 wrote to memory of 3932 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe cmd.exe PID 204 wrote to memory of 3932 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe cmd.exe PID 204 wrote to memory of 3932 204 07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe cmd.exe PID 3932 wrote to memory of 3476 3932 cmd.exe PING.EXE PID 3932 wrote to memory of 3476 3932 cmd.exe PING.EXE PID 3932 wrote to memory of 3476 3932 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe"C:\Users\Admin\AppData\Local\Temp\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:204 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07ed1cf4c1df030324da4e4d5cd43beea27b3daf3f942cf0c0330cabd2df32cf.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3476
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2900
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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:3636
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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:4068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6e26bbbb3f26eccb972fe9f39b738a8a
SHA1e4ead36a8ae9daf1a389388dbb82a30e4dbe7d03
SHA256dd0b52e1d71eb27b8f07fea96de73d188de8912b2a7abec08f86d265ace4038d
SHA512b633abb1958743a43f0fd71fdb4f30ae1aa3be1b3de91ddfc15d1ec0d751722f2ff630cefe53ec71f8a82c3d23c152d517e1de99ab85beaafdab37aa929a56ab
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6e26bbbb3f26eccb972fe9f39b738a8a
SHA1e4ead36a8ae9daf1a389388dbb82a30e4dbe7d03
SHA256dd0b52e1d71eb27b8f07fea96de73d188de8912b2a7abec08f86d265ace4038d
SHA512b633abb1958743a43f0fd71fdb4f30ae1aa3be1b3de91ddfc15d1ec0d751722f2ff630cefe53ec71f8a82c3d23c152d517e1de99ab85beaafdab37aa929a56ab
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memory/204-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3744-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB