Analysis
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max time kernel
155s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:48
Static task
static1
Behavioral task
behavioral1
Sample
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe
Resource
win10v2004-en-20220112
General
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Target
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe
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Size
216KB
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MD5
7e10cd107fca950481ea7af44ac9cf8d
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SHA1
2246b9685fe7da0e6dcb3b5dfb3c07bfc6a31338
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SHA256
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6
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SHA512
e372b0b8c770da85415962567afac0445869916b4b8f94bc569703ce2e4e24961a13447d55bbfde3dd3c29ea39d76a66827d30c698cb39513c3171e06eabc82b
Malware Config
Signatures
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Sakula Payload 4 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/1364-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2244-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2244 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateBkCnt = "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\SwarmCount = "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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.545622" 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\PriorityDownloadPendingCount = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "0" 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 = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.948036" 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 = "132892841743974552" 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\PriorityDownloadCount = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" 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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" 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 (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\SwarmCount = "1" 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\NormalDownloadCount = "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\MonthlyUploadRestriction = "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\DownloadMonthlyInternetBytes = "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\CDNConnectionCount = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe Token: SeBackupPrivilege 1040 TiWorker.exe Token: SeRestorePrivilege 1040 TiWorker.exe Token: SeSecurityPrivilege 1040 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.execmd.exedescription pid process target process PID 1364 wrote to memory of 2244 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe MediaCenter.exe PID 1364 wrote to memory of 2244 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe MediaCenter.exe PID 1364 wrote to memory of 2244 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe MediaCenter.exe PID 1364 wrote to memory of 3888 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe cmd.exe PID 1364 wrote to memory of 3888 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe cmd.exe PID 1364 wrote to memory of 3888 1364 196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe cmd.exe PID 3888 wrote to memory of 3704 3888 cmd.exe PING.EXE PID 3888 wrote to memory of 3704 3888 cmd.exe PING.EXE PID 3888 wrote to memory of 3704 3888 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe"C:\Users\Admin\AppData\Local\Temp\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2244 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3704
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1836
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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:3292
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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:1040
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
a48619767b677ba2cbaa312c5e512dd5
SHA180ba9ee31a03674c503575be57826e1fdabfb6a0
SHA2565da89abf0a23a36ee04eb9347514286ce2402483a8644f67b21dd3019bfd683a
SHA512e310890934b61620f6683a63e91a443c0c8fe67b50cea37e2556121ae81f28644fa353c724f4e150673a195322a61e69605b3f8360742720027777a8557c272d
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MD5
a48619767b677ba2cbaa312c5e512dd5
SHA180ba9ee31a03674c503575be57826e1fdabfb6a0
SHA2565da89abf0a23a36ee04eb9347514286ce2402483a8644f67b21dd3019bfd683a
SHA512e310890934b61620f6683a63e91a443c0c8fe67b50cea37e2556121ae81f28644fa353c724f4e150673a195322a61e69605b3f8360742720027777a8557c272d