Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:10
Static task
static1
Behavioral task
behavioral1
Sample
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe
Resource
win10v2004-en-20220112
General
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Target
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe
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Size
216KB
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MD5
2657492c6c27910c9b404b666bfd763c
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SHA1
e79340b46c51df47a0bb5ef795ac0eabd5f71d7b
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SHA256
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3
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SHA512
a069b83ced202ed3fbb7140ffc41cda748226531a29963ca8d9f897599738e0b46eb4c0e1c40a76d64a0d9b127cfd15b0d9abcf7ff3ab3557815ad7d8e8cf3c7
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/1100-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2112-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2112 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.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 51 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.409531" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893153908607673" 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\LinkLocalConnectionCount = "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\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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3968" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.016018" 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\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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90" 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\PriorityDownloadPendingCount = "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 = "0.000000" 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\PeerInfoCount = "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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4072" 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\DownloadMonthlyGroupBytes = "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\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\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\UplinkBps = "0" 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\DownloadMonthlyCdnBytes = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.999989" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exedescription pid process Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeIncBasePriorityPrivilege 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe Token: SeBackupPrivilege 3300 TiWorker.exe Token: SeRestorePrivilege 3300 TiWorker.exe Token: SeSecurityPrivilege 3300 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.execmd.exedescription pid process target process PID 1100 wrote to memory of 2112 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe MediaCenter.exe PID 1100 wrote to memory of 2112 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe MediaCenter.exe PID 1100 wrote to memory of 2112 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe MediaCenter.exe PID 1100 wrote to memory of 3536 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe cmd.exe PID 1100 wrote to memory of 3536 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe cmd.exe PID 1100 wrote to memory of 3536 1100 0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe cmd.exe PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE PID 3536 wrote to memory of 1216 3536 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe"C:\Users\Admin\AppData\Local\Temp\0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0520209e0df888bf2c1795d646f3ac0c05548c4d2ff6e49ee166a6b2881a20e3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1216
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:332
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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:2120
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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:3300
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cf4f1abbcbb6d0290245fe454022549a
SHA1cd3feb3bda7c77bdccfa0b9a2ddd0c38ea3f5c61
SHA256f1dfdd0865d9bc3d131ef8d2d5411d235ef997af9a341b314dc0195cc768879d
SHA5120346a7322282a6c77630e8a2607c027f47c7038d5c79914fe38b3a2d1d694e4547ad283e331eaf1c636ae9b2cba67a0db423ccec92d0e15fd68b05b7c1f8c3e4
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
cf4f1abbcbb6d0290245fe454022549a
SHA1cd3feb3bda7c77bdccfa0b9a2ddd0c38ea3f5c61
SHA256f1dfdd0865d9bc3d131ef8d2d5411d235ef997af9a341b314dc0195cc768879d
SHA5120346a7322282a6c77630e8a2607c027f47c7038d5c79914fe38b3a2d1d694e4547ad283e331eaf1c636ae9b2cba67a0db423ccec92d0e15fd68b05b7c1f8c3e4
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memory/1100-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2112-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB