Analysis
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max time kernel
174s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:23
Static task
static1
Behavioral task
behavioral1
Sample
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe
Resource
win10v2004-en-20220112
General
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Target
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe
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Size
80KB
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MD5
f16ecd59dd345f2b479da32d6d1914cc
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SHA1
239b79de408c2394bd8ceed66d02e07d6cd91b41
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SHA256
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166
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SHA512
0fbd3583473108af7344a161f25a1dcbcd6cb299fc93607e5fdd15c90c03e30b552a568314ec8115b910201f1b8df6810818341f708824ab0c2495e7da43b00f
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 3476 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.376167" 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\Settings 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\DownloadMonthlyCacheHostBytes = "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\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\DownloadMonthlyRateFrBps = "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\MemoryUsageKB = "4304" 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\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\UplinkBps = "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\MemoryUsageKB = "4088" 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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.147711" 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\UploadMonthlyLanBytes = "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\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\UplinkUsageBps = "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\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\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\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\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\Config\KVFileExpirationTime = "132892972315937585" 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 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\DownloadMonthlyLanBytes = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe Token: SeBackupPrivilege 3736 TiWorker.exe Token: SeRestorePrivilege 3736 TiWorker.exe Token: SeSecurityPrivilege 3736 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.execmd.exedescription pid process target process PID 3736 wrote to memory of 3476 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe MediaCenter.exe PID 3736 wrote to memory of 3476 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe MediaCenter.exe PID 3736 wrote to memory of 3476 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe MediaCenter.exe PID 3736 wrote to memory of 2588 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe cmd.exe PID 3736 wrote to memory of 2588 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe cmd.exe PID 3736 wrote to memory of 2588 3736 1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe cmd.exe PID 2588 wrote to memory of 3308 2588 cmd.exe PING.EXE PID 2588 wrote to memory of 3308 2588 cmd.exe PING.EXE PID 2588 wrote to memory of 3308 2588 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe"C:\Users\Admin\AppData\Local\Temp\1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3476 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1028b6555f6d225a3dae8eee2062a9d2bfde660140c2e96dc02d8e9b5018d166.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3308
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3908
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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:3076
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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:3736
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d70191a8b71dcf0e17fd9082a0130a34
SHA1d1517e895f7f258c9bc45a827c847063ea699bb0
SHA256aa11ccc35b1dddf9f84526333e4c764369cc00afa18b85fa597bf0512c109f66
SHA51279b488d156d9e7cbcb0290de15c06e618b9e3fb357e6a924dc8e1b670ad85ff6ee69bda6f7154472fd53adf855575f5bb85a8c8b05014bee42005bfc71da6d1b
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MD5
d70191a8b71dcf0e17fd9082a0130a34
SHA1d1517e895f7f258c9bc45a827c847063ea699bb0
SHA256aa11ccc35b1dddf9f84526333e4c764369cc00afa18b85fa597bf0512c109f66
SHA51279b488d156d9e7cbcb0290de15c06e618b9e3fb357e6a924dc8e1b670ad85ff6ee69bda6f7154472fd53adf855575f5bb85a8c8b05014bee42005bfc71da6d1b