Analysis
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max time kernel
170s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:42
Static task
static1
Behavioral task
behavioral1
Sample
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe
Resource
win10v2004-en-20220112
General
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Target
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe
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Size
220KB
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MD5
9a09b9f424267d8602977279775dd3f6
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SHA1
8ad8b470797fae222929030d45df093d2eed36e8
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SHA256
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144
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SHA512
df6bd0f37f1c1e73bb36d3d4cab8d09f8fe1cd55320771212f743d4c9cda00ff5c4e05b4a0d8872671e6231760d21fea798c6980a103d4d4a37a1307d09bee4f
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/3936-132-0x0000000000400000-0x0000000000420000-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 2956 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "0" 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 = "3.124455" 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\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\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\DownloadMonthlyGroupBytes = "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\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\UplinkUsageBps = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "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\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\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\PeerInfoCount = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.509167" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893090652610110" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\UploadMonthlyLanBytes = "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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333417" 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 = "4124" 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\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\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe Token: SeBackupPrivilege 3112 TiWorker.exe Token: SeRestorePrivilege 3112 TiWorker.exe Token: SeSecurityPrivilege 3112 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.execmd.exedescription pid process target process PID 3936 wrote to memory of 2956 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe MediaCenter.exe PID 3936 wrote to memory of 2956 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe MediaCenter.exe PID 3936 wrote to memory of 2956 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe MediaCenter.exe PID 3936 wrote to memory of 3212 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe cmd.exe PID 3936 wrote to memory of 3212 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe cmd.exe PID 3936 wrote to memory of 3212 3936 093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe cmd.exe PID 3212 wrote to memory of 920 3212 cmd.exe PING.EXE PID 3212 wrote to memory of 920 3212 cmd.exe PING.EXE PID 3212 wrote to memory of 920 3212 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe"C:\Users\Admin\AppData\Local\Temp\093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\093f4c1daf23832f07a0d60f1b7c6a11407f6d93665d7281e860633d5e8a0144.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:920
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3372
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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:2664
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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:3112
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
037d6d1d5aa67bb4309a9dc129c2ad47
SHA1b247d510d87a2093a3c12ead258886f78f0f4ffa
SHA256a83ad7291fe05eb9522882d5986dd91633054aee4f55678f4b3cea0054e4b535
SHA512185ea17145b30d3646dddf7cbcbdc1496d525f5ef96e39b16b868cd6879b03963b8b48267fac82bf3a92107f5b3352ad1ca7102495746050d33ac08b60439e6f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
037d6d1d5aa67bb4309a9dc129c2ad47
SHA1b247d510d87a2093a3c12ead258886f78f0f4ffa
SHA256a83ad7291fe05eb9522882d5986dd91633054aee4f55678f4b3cea0054e4b535
SHA512185ea17145b30d3646dddf7cbcbdc1496d525f5ef96e39b16b868cd6879b03963b8b48267fac82bf3a92107f5b3352ad1ca7102495746050d33ac08b60439e6f
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memory/3936-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB