Analysis
-
max time kernel
167s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:37
Static task
static1
Behavioral task
behavioral1
Sample
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe
Resource
win10v2004-en-20220112
General
-
Target
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe
-
Size
101KB
-
MD5
491209bf4babcd8217a1f3f63b62f413
-
SHA1
58e2ca4d17101170fc816f79b40f8b8795e37996
-
SHA256
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74
-
SHA512
14a6e377256f9c1ed95c4a45a07a28d4c3404dfae2217822d04c1a046c6984759ef452f1e0e331c25f237e4dd18fd0e63aa7af5253b5511c7c37c1a0a0b34f22
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 3884 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.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 51 IoCs
Processes:
svchost.exedescription ioc process 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 = "3.000036" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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\DownloadMonthlyLanBytes = "0" 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\UplinkBps = "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\MemoryUsageKB = "4300" 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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019807" 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\BkDownloadRatePct = "45" 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\SwarmCount = "0" 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\DownloadMonthlyRateFrBps = "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 (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\UploadRatePct = "100" 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\CacheSizeBytes = "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\DownlinkBps = "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\PeerInfoCount = "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\DownlinkUsageBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "27.263131" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3904" 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\Config\KVFileExpirationTime = "132892870933930423" 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\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exedescription pid process Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeIncBasePriorityPrivilege 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe Token: SeBackupPrivilege 3768 TiWorker.exe Token: SeRestorePrivilege 3768 TiWorker.exe Token: SeSecurityPrivilege 3768 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.execmd.exedescription pid process target process PID 2564 wrote to memory of 3884 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe MediaCenter.exe PID 2564 wrote to memory of 3884 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe MediaCenter.exe PID 2564 wrote to memory of 3884 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe MediaCenter.exe PID 2564 wrote to memory of 2812 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe cmd.exe PID 2564 wrote to memory of 2812 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe cmd.exe PID 2564 wrote to memory of 2812 2564 172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe cmd.exe PID 2812 wrote to memory of 1724 2812 cmd.exe PING.EXE PID 2812 wrote to memory of 1724 2812 cmd.exe PING.EXE PID 2812 wrote to memory of 1724 2812 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe"C:\Users\Admin\AppData\Local\Temp\172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3884 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\172b4364d2cd24a356bb2c32659e0f5c2b06c3f82917f6c55746d76e08b68e74.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1724
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1364
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2680
-
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:3768
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
ad39d15ca5fb0ecf5d5ff6e6b48ded7b
SHA14edbc5fee70348ca346c4dc7372918e8f4e9549e
SHA256932df7972cc2a0569a3bea63509b206f946fe49a2d62ff39d0d0b1e1b659c725
SHA512103b96e571ffb3022876f43bae1366f3ab408dba756ca1b4f402b6e984bfb040495fe6748208f7bb876c2ae9e19fccdfc62e43f75ced7e2d9b39ea09120b2eaf
-
MD5
ad39d15ca5fb0ecf5d5ff6e6b48ded7b
SHA14edbc5fee70348ca346c4dc7372918e8f4e9549e
SHA256932df7972cc2a0569a3bea63509b206f946fe49a2d62ff39d0d0b1e1b659c725
SHA512103b96e571ffb3022876f43bae1366f3ab408dba756ca1b4f402b6e984bfb040495fe6748208f7bb876c2ae9e19fccdfc62e43f75ced7e2d9b39ea09120b2eaf