Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:27
Static task
static1
Behavioral task
behavioral1
Sample
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe
Resource
win10v2004-en-20220112
General
-
Target
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe
-
Size
191KB
-
MD5
bcc1a1c4e2973c6187e5ab70c38e4ec6
-
SHA1
41a3baaf24e4f0b61894a0fec064bcbe4dbe9e98
-
SHA256
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993
-
SHA512
c2bc65355e37216676fcda1d8800abfe62929af4601fc461312ed70b504350120e2d7b9aebc835dbbe5d1ee1ae20d343d94320bc494e13df3152d06a2bf61e21
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 1840 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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\InternetConnectionCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893081096549009" 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\LinkLocalConnectionCount = "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\Usage 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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "3904" 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\GroupConnectionCount = "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\MemoryUsageKB = "4084" 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\DownloadMonthlyRateBkBps = "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\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\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\Usage\UploadMonthlyInternetBytes = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.257591" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.258807" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144484" 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\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\NormalDownloadPendingCount = "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\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\PriorityDownloadPendingCount = "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\CDNConnectionCount = "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\MemoryUsageKB = "4308" 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\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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exedescription pid process Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeIncBasePriorityPrivilege 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.execmd.exedescription pid process target process PID 2132 wrote to memory of 1840 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe MediaCenter.exe PID 2132 wrote to memory of 1840 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe MediaCenter.exe PID 2132 wrote to memory of 1840 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe MediaCenter.exe PID 2132 wrote to memory of 1680 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe cmd.exe PID 2132 wrote to memory of 1680 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe cmd.exe PID 2132 wrote to memory of 1680 2132 0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe cmd.exe PID 1680 wrote to memory of 1212 1680 cmd.exe PING.EXE PID 1680 wrote to memory of 1212 1680 cmd.exe PING.EXE PID 1680 wrote to memory of 1212 1680 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe"C:\Users\Admin\AppData\Local\Temp\0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a0cdbe359ab06d40e4572ffb79646047b51b2dd4745dfe011f4c7e67fa0d993.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1212
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3708
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1724
-
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:2520
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
982bd307afd32b660edd62a9cce6a85b
SHA1a88d2af1b19902426517bfe0db904feaf81a8021
SHA2568fe321269393fb5416ad1c4b8db574be6209144fd79ca07b181a56f7ecab87dc
SHA512ded8d2d23db64cf785ec47cd3732a50a9131dfdcf09b071fb6be9239471fd9d29afebf8a1d7041f491391defd77a95a328b91d57ba2d36393fdefc95a2897659
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
982bd307afd32b660edd62a9cce6a85b
SHA1a88d2af1b19902426517bfe0db904feaf81a8021
SHA2568fe321269393fb5416ad1c4b8db574be6209144fd79ca07b181a56f7ecab87dc
SHA512ded8d2d23db64cf785ec47cd3732a50a9131dfdcf09b071fb6be9239471fd9d29afebf8a1d7041f491391defd77a95a328b91d57ba2d36393fdefc95a2897659