Analysis
- max time kernel
146s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 09:16
Static task
static1
Behavioral task
behavioral1
Sample
0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe
- Size 79KB
- Sample220212-k8fvtsaec2
- SHA256 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e
- MD5 09ea60372a476449e644695a97539c82
- SHA1 9335caf95c9eb5f40ffbcb56dcc2cd90740200d1
- SHA512 c723c5c8c6c1af3f7c2ecae5b644be0920f1925477c3912bb146f65e990aa528a8cae0cd6e45d350d670c03e060696cb06a435ab6791744e789fcd4ae4381377
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x00070000000220bf-130.dat family_sakula behavioral2/files/0x00070000000220bf-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 2852 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe - Drops file in Windows directory 3 IoCs
description 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 51 IoCs
description ioc Process 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\MonthID = "2" 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\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\MemoryUsageKB = "4156" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006556" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144" 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\DownloadMonthlyLanBytes = "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\FrDownloadRatePct = "90" 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 (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\Config\DODownloadMode = "1" 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\CacheSizeBytes = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.090756" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893073888152600" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.765215" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\PeerInfoCount = "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\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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1" 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 = "4324" 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\UploadMonthlyLanBytes = "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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2164 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe Token: SeRestorePrivilege 3508 TiWorker.exe Token: SeSecurityPrivilege 3508 TiWorker.exe Token: SeBackupPrivilege 3508 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2852 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 61 PID 2212 wrote to memory of 2852 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 61 PID 2212 wrote to memory of 2852 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 61 PID 2212 wrote to memory of 636 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 82 PID 2212 wrote to memory of 636 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 82 PID 2212 wrote to memory of 636 2212 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe 82 PID 636 wrote to memory of 2164 636 cmd.exe 84 PID 636 wrote to memory of 2164 636 cmd.exe 84 PID 636 wrote to memory of 2164 636 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe"C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2852
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2164
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3420
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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:1924
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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:3508