Analysis
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max time kernel
165s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:05
Static task
static1
Behavioral task
behavioral1
Sample
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe
Resource
win10v2004-en-20220112
General
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Target
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe
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Size
89KB
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MD5
2824c94dbd4b81ea77fcc98ea503ee57
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SHA1
0e0a3c434b800f841ee3bd0eee5b12298dfb35ee
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SHA256
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271
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SHA512
f64cca3447a02b664eace5315e5d56edd590cdf9cc7727c430138560cac96ee439295556cdd5238b5d08ea0339e68e81863dc8c3d0cd5adefa7a828a9350ef37
Malware Config
Signatures
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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 1304 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.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.
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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 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 47 IoCs
Processes:
svchost.exedescription ioc process 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\Config\KVFileExpirationTime = "132892961165052634" 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\PeerInfoCount = "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\DownloadMonthlyCdnBytes = "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\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\DownlinkUsageBps = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "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 = "4092" 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\LANConnectionCount = "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\Usage\NormalDownloadCount = "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\UploadMonthlyLanBytes = "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\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\DownlinkBps = "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\BkDownloadRatePct = "45" 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\DownloadMonthlyLanBytes = "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\PriorityDownloadCount = "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\SwarmCount = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.813954" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.074516" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336" 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe Token: SeBackupPrivilege 1012 TiWorker.exe Token: SeRestorePrivilege 1012 TiWorker.exe Token: SeSecurityPrivilege 1012 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.execmd.exedescription pid process target process PID 1804 wrote to memory of 1304 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe MediaCenter.exe PID 1804 wrote to memory of 1304 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe MediaCenter.exe PID 1804 wrote to memory of 1304 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe MediaCenter.exe PID 1804 wrote to memory of 2284 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe cmd.exe PID 1804 wrote to memory of 2284 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe cmd.exe PID 1804 wrote to memory of 2284 1804 10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe cmd.exe PID 2284 wrote to memory of 524 2284 cmd.exe PING.EXE PID 2284 wrote to memory of 524 2284 cmd.exe PING.EXE PID 2284 wrote to memory of 524 2284 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe"C:\Users\Admin\AppData\Local\Temp\10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1304 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10e74d32d498d95b157e6984053cb4cf472b8e17437b7d35283dd8f566926271.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:524
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3968
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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:3868
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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:1012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2f7f6b6acdb6b9b2afc720438badd82e
SHA1c98627f471fe42cc2665ffa58f97bc20f7283fa9
SHA2560acfbebc592079d54bc4795ddd37b11ea016ef296a2878ae5c4583c136c4dcce
SHA512eeef4ada51f7d887a4d06a75176cf08b35d704a00449a641153319e3c11f9f0281af21814ea2f37878bd899b92c1f01dc24f5f74ec6c7480ed6e7f97b8066ee6
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MD5
2f7f6b6acdb6b9b2afc720438badd82e
SHA1c98627f471fe42cc2665ffa58f97bc20f7283fa9
SHA2560acfbebc592079d54bc4795ddd37b11ea016ef296a2878ae5c4583c136c4dcce
SHA512eeef4ada51f7d887a4d06a75176cf08b35d704a00449a641153319e3c11f9f0281af21814ea2f37878bd899b92c1f01dc24f5f74ec6c7480ed6e7f97b8066ee6