Analysis
-
max time kernel
169s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:38
Static task
static1
Behavioral task
behavioral1
Sample
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe
Resource
win10v2004-en-20220112
General
-
Target
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe
-
Size
101KB
-
MD5
084f94fe79588e78a03a8ba07fdbff0b
-
SHA1
e28c80f6bb548071954412075358792d45b3e26c
-
SHA256
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6
-
SHA512
96624bf0e3850eb55c581ce62cdfbe5117f9f66d4bfe066a093f0940d4d640e5acbd94217a8ed01375ce1d576d153a63916574a6341f99e000942dfab6383ffd
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1176 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.035039" 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\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\Settings 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892944423396416" 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\UploadCount = "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\DownloadMonthlyRateFrCnt = "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\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" 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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "0" 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\GroupConnectionCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" 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\LANConnectionCount = "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 = "4260" 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\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\CacheSizeBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.256603" 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\CDNConnectionCount = "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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.662255" 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\UploadMonthlyInternetBytes = "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\MonthID = "2" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 34 IoCs
Processes:
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.execmd.exedescription pid process target process PID 3240 wrote to memory of 1176 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe MediaCenter.exe PID 3240 wrote to memory of 1176 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe MediaCenter.exe PID 3240 wrote to memory of 1176 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe MediaCenter.exe PID 3240 wrote to memory of 3624 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe cmd.exe PID 3240 wrote to memory of 3624 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe cmd.exe PID 3240 wrote to memory of 3624 3240 12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe cmd.exe PID 3624 wrote to memory of 1052 3624 cmd.exe PING.EXE PID 3624 wrote to memory of 1052 3624 cmd.exe PING.EXE PID 3624 wrote to memory of 1052 3624 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe"C:\Users\Admin\AppData\Local\Temp\12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1176 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12278ec3c28f57749ce340e59103efc7a934013f9906a2c2fa5d7df596d37ab6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1052
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3560
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3596
-
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:2104
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
ef219c05a7a87c04150451b1e26d93c8
SHA17093f659d84d444f4293cf979da817b009f1a0b1
SHA2568b2a71e782c96a34fd9391cacc40d8d7d6b49a2a18ca1372d6a52601ebf6f1ef
SHA512760b6d823aadf610a137ac5ca929556cfd0f71d662da23b448d445b2106c143f0148d5dd44f2608e753f481c7d5dcd2dc2be3961a2c40761e86aaae498c3580e
-
MD5
ef219c05a7a87c04150451b1e26d93c8
SHA17093f659d84d444f4293cf979da817b009f1a0b1
SHA2568b2a71e782c96a34fd9391cacc40d8d7d6b49a2a18ca1372d6a52601ebf6f1ef
SHA512760b6d823aadf610a137ac5ca929556cfd0f71d662da23b448d445b2106c143f0148d5dd44f2608e753f481c7d5dcd2dc2be3961a2c40761e86aaae498c3580e