Analysis
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max time kernel
164s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:45
Static task
static1
Behavioral task
behavioral1
Sample
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe
Resource
win10v2004-en-20220112
General
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Target
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe
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Size
216KB
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MD5
0c0c2cd9eaecd58cb47b98ca9a47d158
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SHA1
211a2d6610e0052d39d6a2e3f4ae942bd59ce272
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SHA256
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec
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SHA512
ab809fc3c58e030505204d7e7d11a7e20945a335ac9fac79e232b34dd90490018cbc0d1626574ef454c18f6e4e8d27ead8fb58b9fd928d5d4ecf75af80fa81c0
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/3888-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2616-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2616 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\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 (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 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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333102" 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\UploadRatePct = "100" 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\DownloadMonthlyLanBytes = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.286518" 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\UploadMonthlyInternetBytes = "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\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 (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\NormalDownloadPendingCount = "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\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\Config\KVFileExpirationTime = "132893022106518042" 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 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\LinkLocalConnectionCount = "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 = "3.435151" 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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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\NormalDownloadCount = "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\Usage\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "0" svchost.exe 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\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe Token: SeBackupPrivilege 1048 TiWorker.exe Token: SeRestorePrivilege 1048 TiWorker.exe Token: SeSecurityPrivilege 1048 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.execmd.exedescription pid process target process PID 3888 wrote to memory of 2616 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe MediaCenter.exe PID 3888 wrote to memory of 2616 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe MediaCenter.exe PID 3888 wrote to memory of 2616 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe MediaCenter.exe PID 3888 wrote to memory of 2188 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe cmd.exe PID 3888 wrote to memory of 2188 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe cmd.exe PID 3888 wrote to memory of 2188 3888 0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe cmd.exe PID 2188 wrote to memory of 2240 2188 cmd.exe PING.EXE PID 2188 wrote to memory of 2240 2188 cmd.exe PING.EXE PID 2188 wrote to memory of 2240 2188 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe"C:\Users\Admin\AppData\Local\Temp\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2616 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cb3676380100089abda1e6a1b223dc2ec1c37aeabb80fe487063b2cee5b2eec.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2240
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2924
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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:3740
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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:1048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
af995d86c22f2e1733c62467eb461e62
SHA1b5f1350ddb65c9c91be6d6f5acddf3ff8da87f41
SHA256fb6d38c0360acaf6c19c0687ac21ad1c4cffe14885efa2ca6903e3deac06762e
SHA51210f5ed50c386a7f3b9f55e05e5840dd55aa917ccad6333cf17ca664542f7293c268cd9eb872743b3f8ce9604a241d698e54631730bac532dcfceca65c378f514
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MD5
af995d86c22f2e1733c62467eb461e62
SHA1b5f1350ddb65c9c91be6d6f5acddf3ff8da87f41
SHA256fb6d38c0360acaf6c19c0687ac21ad1c4cffe14885efa2ca6903e3deac06762e
SHA51210f5ed50c386a7f3b9f55e05e5840dd55aa917ccad6333cf17ca664542f7293c268cd9eb872743b3f8ce9604a241d698e54631730bac532dcfceca65c378f514