Analysis
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max time kernel
175s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:24
Static task
static1
Behavioral task
behavioral1
Sample
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe
Resource
win10v2004-en-20220112
General
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Target
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe
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Size
92KB
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MD5
654af90c1ccaba040bc0407518f01e01
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SHA1
393b99f27dc3484203808cfed8ee06824454802d
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SHA256
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee
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SHA512
1b7e295e44de8d6ccb2be435af153ce0d95ddd2b45df1f60a3ef2a8af28111c433051370f7a5299e4c942748f3b0dfe3e84120fdc1b09c1f749e5648c7fae4db
Malware Config
Signatures
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Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3228 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 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\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 (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\UploadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.898722" 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\DownlinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45" 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\GroupConnectionCount = "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 = "2.519403" 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\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\DownloadMonthlyGroupBytes = "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\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\MemoryUsageKB = "4064" 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\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\Config\KVFileExpirationTime = "132892863693893037" 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\UploadCount = "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 = "4312" 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\Usage\DownloadMonthlyRateFrCnt = "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\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 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 (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:
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe Token: SeBackupPrivilege 3012 TiWorker.exe Token: SeRestorePrivilege 3012 TiWorker.exe Token: SeSecurityPrivilege 3012 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.execmd.exedescription pid process target process PID 2476 wrote to memory of 3228 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe MediaCenter.exe PID 2476 wrote to memory of 3228 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe MediaCenter.exe PID 2476 wrote to memory of 3228 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe MediaCenter.exe PID 2476 wrote to memory of 4008 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe cmd.exe PID 2476 wrote to memory of 4008 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe cmd.exe PID 2476 wrote to memory of 4008 2476 17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe cmd.exe PID 4008 wrote to memory of 1196 4008 cmd.exe PING.EXE PID 4008 wrote to memory of 1196 4008 cmd.exe PING.EXE PID 4008 wrote to memory of 1196 4008 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe"C:\Users\Admin\AppData\Local\Temp\17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3228 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17b9b9d52a094ec9568c661664e18f8efc6b4cfce8e448d2afa42100a78038ee.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1196
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2288
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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:380
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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:3012
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
abb009ec55d418179e00b1487150f27f
SHA1cb7ac9f75ff8f1e395af1f18442d803e1af2dbad
SHA256e9186057bb9a901db4da2a9c07a6ca31915100f5f394e7668e01aa7f1f2846c8
SHA51246e4de207b92d413ca5fc1295f73a6f54125593af2c02b35a4e0be0e2bc485994d99ca3b477be6972d94914b66010356d07a5afe593b0957b79bffdd069073b7
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MD5
abb009ec55d418179e00b1487150f27f
SHA1cb7ac9f75ff8f1e395af1f18442d803e1af2dbad
SHA256e9186057bb9a901db4da2a9c07a6ca31915100f5f394e7668e01aa7f1f2846c8
SHA51246e4de207b92d413ca5fc1295f73a6f54125593af2c02b35a4e0be0e2bc485994d99ca3b477be6972d94914b66010356d07a5afe593b0957b79bffdd069073b7