Analysis
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max time kernel
149s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:17
Static task
static1
Behavioral task
behavioral1
Sample
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe
Resource
win10v2004-en-20220112
General
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Target
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe
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Size
191KB
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MD5
d7136a5085f490f67d828664d90d10a8
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SHA1
8dd561e48a17bb309a5d6f2dfd4b55a21bafabbb
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SHA256
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743
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SHA512
797fcee0a17271076f1728a3f21b2f5b9eca5d77600ed88c0cc9713f283ca3e30d59fe9f0ebb72e567485bcc60ecccb52576dc8ec303d22789366b5d2366700f
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 3360 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log 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 53 IoCs
Processes:
svchost.exedescription ioc process 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 (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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyCdnBytes = "90228624" 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 = "3.571347" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\PeerInfoCount = "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\MemoryUsageKB = "4108" 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\MonthID = "1" 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\NormalDownloadCount = "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\Config\KVFileExpirationTime = "132893199036835088" 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\DownlinkBps = "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\DownloadMonthlyRateBkBps = "1157726" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.812911" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "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\InternetConnectionCount = "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\Config\DownloadMode_BackCompat = "1" 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 = "4" 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\SwarmCount = "1" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.995477" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exedescription pid process Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeIncBasePriorityPrivilege 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe Token: SeBackupPrivilege 2924 TiWorker.exe Token: SeRestorePrivilege 2924 TiWorker.exe Token: SeSecurityPrivilege 2924 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.execmd.exedescription pid process target process PID 3880 wrote to memory of 3360 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe MediaCenter.exe PID 3880 wrote to memory of 3360 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe MediaCenter.exe PID 3880 wrote to memory of 3360 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe MediaCenter.exe PID 3880 wrote to memory of 2712 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe cmd.exe PID 3880 wrote to memory of 2712 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe cmd.exe PID 3880 wrote to memory of 2712 3880 01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe cmd.exe PID 2712 wrote to memory of 624 2712 cmd.exe PING.EXE PID 2712 wrote to memory of 624 2712 cmd.exe PING.EXE PID 2712 wrote to memory of 624 2712 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe"C:\Users\Admin\AppData\Local\Temp\01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3360
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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\01fa2248b76aa60cabb7b5cab14450f7fd0d6abbeb2bc946acbd5f34fd3e0743.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:624
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3364
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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:992
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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:2924
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
eab24eb3a3beb0d5fe113f27420a448e
SHA100d18681cf8240d7120e51f27cce6e67b7bb6708
SHA256622ffe1e687d307a0340d39a38388462d7bdab33ff7ebe6e9079fb34306a73a6
SHA512326eeb7a814c5d8d5c38c94e014bc894767334928c74d9cb278e855376d5a99bd620314b680b3f6e1fbc9b926c1c40acf36ac6f5aa5f730d197b8ac8c2380d65
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MD5
eab24eb3a3beb0d5fe113f27420a448e
SHA100d18681cf8240d7120e51f27cce6e67b7bb6708
SHA256622ffe1e687d307a0340d39a38388462d7bdab33ff7ebe6e9079fb34306a73a6
SHA512326eeb7a814c5d8d5c38c94e014bc894767334928c74d9cb278e855376d5a99bd620314b680b3f6e1fbc9b926c1c40acf36ac6f5aa5f730d197b8ac8c2380d65