Analysis
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max time kernel
164s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:23
Static task
static1
Behavioral task
behavioral1
Sample
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe
Resource
win10v2004-en-20220112
General
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Target
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe
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Size
176KB
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MD5
ff6ea551009ea317e35f97e4ef280500
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SHA1
fc55fd85e3d9f8cbaf7b3c30d361b6aed0852c34
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SHA256
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98
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SHA512
25a00655e6c3b918003d5057db8e72a2710e035f2ef9eb739ada72d1dafe0417f4da44536743db5fba041d4e3eebd4fb4c9181e5d8e47bb8ccd93c16a108e03d
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/3812-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3208-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3208 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.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 49 IoCs
Processes:
svchost.exedescription ioc process 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 = "3.845979" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.081566" 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\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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284" 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\PeerInfoCount = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892899631229981" 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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\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\SwarmCount = "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\Config 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\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 (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\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\PriorityDownloadCount = "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\DownloadMonthlyLanBytes = "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\Usage\PriorityDownloadPendingCount = "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\MonthlyUploadRestriction = "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\Settings 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\DownloadMonthlyRateBkBps = "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\UplinkBps = "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\DownlinkBps = "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 = "4092" 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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 34 IoCs
Processes:
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.execmd.exedescription pid process target process PID 3812 wrote to memory of 3208 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe MediaCenter.exe PID 3812 wrote to memory of 3208 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe MediaCenter.exe PID 3812 wrote to memory of 3208 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe MediaCenter.exe PID 3812 wrote to memory of 2168 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe cmd.exe PID 3812 wrote to memory of 2168 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe cmd.exe PID 3812 wrote to memory of 2168 3812 15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe cmd.exe PID 2168 wrote to memory of 2084 2168 cmd.exe PING.EXE PID 2168 wrote to memory of 2084 2168 cmd.exe PING.EXE PID 2168 wrote to memory of 2084 2168 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe"C:\Users\Admin\AppData\Local\Temp\15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.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:3208 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15666855cc28cd4dc47795ef8102bcbaf88f4d47dd75bc057fabeedbd0e7dd98.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2084
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3936
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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:1596
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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:3968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b01a6647bef46a44f0a0c5bf05514e02
SHA1cf4e1053aa4176b240b9f5c4b91b6243fa671795
SHA256944018df22c3fb67f863fe26c265ca89b9f375d6d9714fe8b432c474b8f079b5
SHA512b030916dd59535d11197b4e2e9d93395b7f021080664366efe88f1bc76ec329416a6ed0c113ad790581f502ce26f488189c5d56437c769b88b7bcb5b2819bd6a
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MD5
b01a6647bef46a44f0a0c5bf05514e02
SHA1cf4e1053aa4176b240b9f5c4b91b6243fa671795
SHA256944018df22c3fb67f863fe26c265ca89b9f375d6d9714fe8b432c474b8f079b5
SHA512b030916dd59535d11197b4e2e9d93395b7f021080664366efe88f1bc76ec329416a6ed0c113ad790581f502ce26f488189c5d56437c769b88b7bcb5b2819bd6a