Analysis
-
max time kernel
163s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:10
Static task
static1
Behavioral task
behavioral1
Sample
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe
Resource
win10v2004-en-20220112
General
-
Target
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe
-
Size
92KB
-
MD5
de4cb1b248a589557d75b7779269bfd2
-
SHA1
bfbe2afd3944191e24ee3bbb8cbec8bf375849e1
-
SHA256
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910
-
SHA512
b5a189d02f14f6f525b443cd665c4cc72f5e27c38df88e71dfe98349c4e332d60135e47ff854c0d0a2104b0046aa1370cacc6431c1e5b2234cfe9a02c1d552f1
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 1152 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.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 56 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\SwarmCount = "1" 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\PriorityDownloadPendingCount = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124873" 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\Usage\CPUpct = "0.735300" 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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\Config 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\MonthID = "1" 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\DownlinkBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4048" 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\InternetConnectionCount = "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\Usage\CPUpct = "12.501500" 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\FrDownloadRatePct = "90" 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\Config\DODownloadMode = "1" 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893154802862223" 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\DownloadMonthlyLanBytes = "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\Config\DownloadMode_BackCompat = "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\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 (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\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\UplinkBps = "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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100" 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 (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\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exedescription pid process Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeIncBasePriorityPrivilege 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe Token: SeBackupPrivilege 452 TiWorker.exe Token: SeRestorePrivilege 452 TiWorker.exe Token: SeSecurityPrivilege 452 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.execmd.exedescription pid process target process PID 3120 wrote to memory of 1152 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe MediaCenter.exe PID 3120 wrote to memory of 1152 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe MediaCenter.exe PID 3120 wrote to memory of 1152 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe MediaCenter.exe PID 3120 wrote to memory of 3652 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe cmd.exe PID 3120 wrote to memory of 3652 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe cmd.exe PID 3120 wrote to memory of 3652 3120 052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe cmd.exe PID 3652 wrote to memory of 1836 3652 cmd.exe PING.EXE PID 3652 wrote to memory of 1836 3652 cmd.exe PING.EXE PID 3652 wrote to memory of 1836 3652 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe"C:\Users\Admin\AppData\Local\Temp\052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1152 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\052119185c3d4e25b3ad31c55797f87c177dfe360275543e7ff91907d05e4910.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1836
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1020
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:872
-
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:452
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0be5f16a147fdf37ec7a40c9fefdaf63
SHA1307126725003aeb25b9d9ced087ae0770ed079a7
SHA2561056edf0e1fe4805afd7e4adbe856da5c0082e502379e96569e9f7ca8c71f499
SHA51286b844e641ea0787e2d574ab8803239d63a9f5569fa4d04780476c035df9b5bbd524eba63a37b4d150efd4b39c56c8240a1bf6153f1d63ac479c0685a8bf2f79
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0be5f16a147fdf37ec7a40c9fefdaf63
SHA1307126725003aeb25b9d9ced087ae0770ed079a7
SHA2561056edf0e1fe4805afd7e4adbe856da5c0082e502379e96569e9f7ca8c71f499
SHA51286b844e641ea0787e2d574ab8803239d63a9f5569fa4d04780476c035df9b5bbd524eba63a37b4d150efd4b39c56c8240a1bf6153f1d63ac479c0685a8bf2f79