Analysis
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max time kernel
154s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:58
Static task
static1
Behavioral task
behavioral1
Sample
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe
Resource
win10v2004-en-20220112
General
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Target
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe
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Size
80KB
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MD5
689ec98e6a5ca03126ff1ff57c3b4768
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SHA1
df315da766e503b341d62b3b06ff88267841defa
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SHA256
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c
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SHA512
3603dd36ba14980951c448b6524df36253294e35dabfdd993937a9b7b67fda39185afeffce94469b8c9d58c80705dbadcbfdc9c4bb084d9b56d1874cdddb86c2
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 2068 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.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 54 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\UploadMonthlyLanBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.463944" 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 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 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\LANConnectionCount = "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\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\GroupConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyRateBkBps = "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\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\Config\KVFileExpirationTime = "132893146771193532" 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\NormalDownloadPendingCount = "0" 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\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "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\Usage\MonthlyUploadRestriction = "0" 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 = "1.785848" 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\MemoryUsageKB = "4368" 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\CDNConnectionCount = "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\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 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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4072" 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:
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe Token: SeBackupPrivilege 920 TiWorker.exe Token: SeRestorePrivilege 920 TiWorker.exe Token: SeSecurityPrivilege 920 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.execmd.exedescription pid process target process PID 3812 wrote to memory of 2068 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe MediaCenter.exe PID 3812 wrote to memory of 2068 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe MediaCenter.exe PID 3812 wrote to memory of 2068 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe MediaCenter.exe PID 3812 wrote to memory of 820 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe cmd.exe PID 3812 wrote to memory of 820 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe cmd.exe PID 3812 wrote to memory of 820 3812 05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe cmd.exe PID 820 wrote to memory of 3796 820 cmd.exe PING.EXE PID 820 wrote to memory of 3796 820 cmd.exe PING.EXE PID 820 wrote to memory of 3796 820 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe"C:\Users\Admin\AppData\Local\Temp\05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2068 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05a7896afd56149856a2ded8128b357e0cbee7bef787ef8b5c690d44ce8db10c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3796
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1148
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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:2376
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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:920
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
16dbc25e82514b91eafd447bd22f0c4f
SHA1f010c587a1b43c4658bd47ecd095f568e5e8bc0f
SHA2560d41f19b4e9d35e3ff283aa6e8f58d4ea36d725a1c10cf9c289700b22f1ffe65
SHA5123cba0f6d877862b6647de0559cbda1f6a886a0c2f7933b297a422f6c56b7dcae3d77ecd7e6626f9c82c1d579f80acae0d5760cca002e77a169d04819827a57c6
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
16dbc25e82514b91eafd447bd22f0c4f
SHA1f010c587a1b43c4658bd47ecd095f568e5e8bc0f
SHA2560d41f19b4e9d35e3ff283aa6e8f58d4ea36d725a1c10cf9c289700b22f1ffe65
SHA5123cba0f6d877862b6647de0559cbda1f6a886a0c2f7933b297a422f6c56b7dcae3d77ecd7e6626f9c82c1d579f80acae0d5760cca002e77a169d04819827a57c6