Analysis
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max time kernel
165s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:26
Static task
static1
Behavioral task
behavioral1
Sample
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe
Resource
win10v2004-en-20220112
General
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Target
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe
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Size
216KB
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MD5
af0a4ee2434f9d0d849ddc9efb2b582b
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SHA1
2e221e723df16221e690161c7c029216df426545
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SHA256
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc
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SHA512
c73c9700ad3f88554da23873c6cd339d334b26eef30d29913b360a7bbd0850b45dc784fe4e9246501a5f29955f5709d3b77b643e4b79a58620d4859e58b41573
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/112-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2900 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.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.
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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 45 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90" 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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\PeerInfoCount = "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 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\Config\DODownloadMode = "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\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\DownlinkBps = "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\CacheSizeBytes = "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\UplinkBps = "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\UploadMonthlyLanBytes = "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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.219569" 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\DownloadMonthlyCacheHostBytes = "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 = "132892865582203022" 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\Settings 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\UploadRatePct = "100" 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\DownloadMonthlyRateBkCnt = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe Token: SeBackupPrivilege 3804 TiWorker.exe Token: SeRestorePrivilege 3804 TiWorker.exe Token: SeSecurityPrivilege 3804 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.execmd.exedescription pid process target process PID 112 wrote to memory of 2900 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe MediaCenter.exe PID 112 wrote to memory of 2900 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe MediaCenter.exe PID 112 wrote to memory of 2900 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe MediaCenter.exe PID 112 wrote to memory of 1124 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe cmd.exe PID 112 wrote to memory of 1124 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe cmd.exe PID 112 wrote to memory of 1124 112 179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe cmd.exe PID 1124 wrote to memory of 1680 1124 cmd.exe PING.EXE PID 1124 wrote to memory of 1680 1124 cmd.exe PING.EXE PID 1124 wrote to memory of 1680 1124 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe"C:\Users\Admin\AppData\Local\Temp\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2900 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\179beb597103c85349cacf564c07c6842c505ddfee975418036e010309e3e0dc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1680
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3108
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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:2464
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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:3804
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0098c8bcf1009add69ad47c2bc9b8c8d
SHA18ac62cde876f4fbec44506f8c885da4595175e46
SHA2567f8ccef820458de992302e13489a021b3aa8c3dc62e628faeb0fdd812750ef4c
SHA512cd7541af700740a61f54ed15361b73342893fa6b1637cebc1b7d8a672b41cb2c0a368e38be2c860052736f04ad7c3b8130c00846b788e34b6ff71909b87a41bc
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MD5
0098c8bcf1009add69ad47c2bc9b8c8d
SHA18ac62cde876f4fbec44506f8c885da4595175e46
SHA2567f8ccef820458de992302e13489a021b3aa8c3dc62e628faeb0fdd812750ef4c
SHA512cd7541af700740a61f54ed15361b73342893fa6b1637cebc1b7d8a672b41cb2c0a368e38be2c860052736f04ad7c3b8130c00846b788e34b6ff71909b87a41bc