Analysis
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max time kernel
150s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:40
Static task
static1
Behavioral task
behavioral1
Sample
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe
Resource
win10v2004-en-20220112
General
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Target
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe
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Size
151KB
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MD5
d0ef82dbfcbf932ccd38e21770b8bd41
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SHA1
a2c31a51c5d33122f4f44f51207cbfda63ff76b7
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SHA256
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e
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SHA512
8f714493a60763a83087ae44613da43777d4f790ba3b11b5e76d0f25b4572a2b2da74e7df3a9cf416c26c418e684a8c6ab0bfc5b5270b702f124fbd920be7735
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 1088 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.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 56 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateBkCnt = "4" 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\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.292771" 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\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 (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\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\LinkLocalConnectionCount = "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\UploadCount = "0" 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 (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\Config\DODownloadMode = "1" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333189" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176" 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\UploadRatePct = "100" 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\MemoryUsageKB = "4272" 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\MemoryUsageKB = "4380" 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\Usage\UploadMonthlyLanBytes = "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\KVFileExpirationTime = "132893134331856005" 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\MonthID = "2" 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\DownloadMonthlyRateBkBps = "1157726" 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\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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3992" 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\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006546" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exedescription pid process Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeIncBasePriorityPrivilege 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe Token: SeBackupPrivilege 2664 TiWorker.exe Token: SeRestorePrivilege 2664 TiWorker.exe Token: SeSecurityPrivilege 2664 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.execmd.exedescription pid process target process PID 1456 wrote to memory of 1088 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe MediaCenter.exe PID 1456 wrote to memory of 1088 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe MediaCenter.exe PID 1456 wrote to memory of 1088 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe MediaCenter.exe PID 1456 wrote to memory of 3752 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe cmd.exe PID 1456 wrote to memory of 3752 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe cmd.exe PID 1456 wrote to memory of 3752 1456 06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe cmd.exe PID 3752 wrote to memory of 3572 3752 cmd.exe PING.EXE PID 3752 wrote to memory of 3572 3752 cmd.exe PING.EXE PID 3752 wrote to memory of 3572 3752 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe"C:\Users\Admin\AppData\Local\Temp\06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1088 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06847b4e22ddf133e06b7fa3ff199be1da3e60987ce782a1e3121dbd58c15e8e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3572
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1336
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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:3904
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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:2664
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
6fe27d408c6af9b7d3973377a10f995d
SHA138db974d7e716931bf9545fd5d410df7585d6bdd
SHA2568ed0379af54e77efedb671d9327efdb540dffb18e582aaa2d03ebdc533d1fdb2
SHA512349bf774f5544adf7c99dae0e0c8396ffbd7d4c3e9faa3d12fbe761f87d00c52f9d5fc1acf8aa737d2c99222d1edbfab155791b25808e8530f78e840e85b3d3c
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6fe27d408c6af9b7d3973377a10f995d
SHA138db974d7e716931bf9545fd5d410df7585d6bdd
SHA2568ed0379af54e77efedb671d9327efdb540dffb18e582aaa2d03ebdc533d1fdb2
SHA512349bf774f5544adf7c99dae0e0c8396ffbd7d4c3e9faa3d12fbe761f87d00c52f9d5fc1acf8aa737d2c99222d1edbfab155791b25808e8530f78e840e85b3d3c