Analysis
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max time kernel
181s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:43
Static task
static1
Behavioral task
behavioral1
Sample
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe
Resource
win10v2004-en-20220112
General
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Target
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe
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Size
100KB
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MD5
a8518a7fcc9f0380de87d15df9ad5f20
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SHA1
b042a5c582b7ce035b3ac7e8c7cf4d7d48d83b22
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SHA256
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d
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SHA512
d357058d4a66a7a4c696eee11868a544b559578574331bbafdfc93d572cb687effe19a902a9557c493bf3af526ce219a093373975168be4b80ac640befb74f1e
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/1688-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1464 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.976573" 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\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\CacheSizeBytes = "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\UploadRatePct = "100" 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\UplinkBps = "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\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\DownloadMonthlyCdnBytes = "0" 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\PeerInfoCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\DownloadMonthlyLanBytes = "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\BkDownloadRatePct = "45" 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\Config\KVFileExpirationTime = "132892947233482113" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.807467" 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\CDNConnectionCount = "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\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\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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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 (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\PriorityDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\LANConnectionCount = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exedescription pid process Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeIncBasePriorityPrivilege 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.execmd.exedescription pid process target process PID 1688 wrote to memory of 1464 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe MediaCenter.exe PID 1688 wrote to memory of 1464 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe MediaCenter.exe PID 1688 wrote to memory of 1464 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe MediaCenter.exe PID 1688 wrote to memory of 4028 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe cmd.exe PID 1688 wrote to memory of 4028 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe cmd.exe PID 1688 wrote to memory of 4028 1688 11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe cmd.exe PID 4028 wrote to memory of 2312 4028 cmd.exe PING.EXE PID 4028 wrote to memory of 2312 4028 cmd.exe PING.EXE PID 4028 wrote to memory of 2312 4028 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe"C:\Users\Admin\AppData\Local\Temp\11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1464 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11dd848ca6365b1db9bc1cc83196f5e2c6fe9259946064f7a7f36b19b89e2c0d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2312
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1976
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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:3156
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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:1976
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
493e6981139b6a88dee685fbe2ba6c81
SHA125b74f8d3f4b696b2511342dfa364453e5dad0ad
SHA256af1dc11e1b4ea8c7ce9f3da332d71bba602ced73d43b35042c2e07554ef5e8bf
SHA512faaabcb6bd2fedf2d37fbe16ececd954d6115cfd58f6f554b1beaff077ee4d5605894037538e9a44f49cdc08b22c8110be4812e5010e955f18010c427dc7c778
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MD5
493e6981139b6a88dee685fbe2ba6c81
SHA125b74f8d3f4b696b2511342dfa364453e5dad0ad
SHA256af1dc11e1b4ea8c7ce9f3da332d71bba602ced73d43b35042c2e07554ef5e8bf
SHA512faaabcb6bd2fedf2d37fbe16ececd954d6115cfd58f6f554b1beaff077ee4d5605894037538e9a44f49cdc08b22c8110be4812e5010e955f18010c427dc7c778