Analysis
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max time kernel
163s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:34
Static task
static1
Behavioral task
behavioral1
Sample
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe
Resource
win10v2004-en-20220112
General
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Target
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe
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Size
192KB
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MD5
4113284d22657961b0a08db47ece9944
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SHA1
c2f0f2d20261d920a5f4e924ecb7a9d2adc9b48e
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SHA256
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42
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SHA512
403a82c184d310133520591b1a4d1df380e9688a7062470fe5ada1459d7a20e998df9879bc605bdd8f570f9a47b5644c99a7f9a3293179ef78b1591370f2c42e
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 3408 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.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 -
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 46 IoCs
Processes:
svchost.exedescription ioc process 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\PeerInfoCount = "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\UploadCount = "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\SwarmCount = "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 = "0.096749" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\Settings 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\MemoryUsageKB = "4076" 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\LANConnectionCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateFrBps = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.389796" 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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\Config\DODownloadMode = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe Token: SeBackupPrivilege 3728 TiWorker.exe Token: SeRestorePrivilege 3728 TiWorker.exe Token: SeSecurityPrivilege 3728 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.execmd.exedescription pid process target process PID 2072 wrote to memory of 3408 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe MediaCenter.exe PID 2072 wrote to memory of 3408 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe MediaCenter.exe PID 2072 wrote to memory of 3408 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe MediaCenter.exe PID 2072 wrote to memory of 2744 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe cmd.exe PID 2072 wrote to memory of 2744 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe cmd.exe PID 2072 wrote to memory of 2744 2072 1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe cmd.exe PID 2744 wrote to memory of 1348 2744 cmd.exe PING.EXE PID 2744 wrote to memory of 1348 2744 cmd.exe PING.EXE PID 2744 wrote to memory of 1348 2744 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe"C:\Users\Admin\AppData\Local\Temp\1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3408 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1253b29c4c199eab010818ba2fddf57952bfcda54d8861a56a6c429e1ebc3c42.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1348
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1800
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:1820
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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:3728
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f320e070d6a6ece9a0e932ccfb1c1596
SHA1fc79ec09c25d005b4a83d984bfee00661d525396
SHA256a3c89e7a0c7c073f34216d117565b282f53e1665a2cfe967f6513ccf0a841b6e
SHA51296942d5792f82934592f2781997201fc14d1ff835b6c1d491c724134a2e4ed42950e085375624f08a7d6ac5307fe2fed125d94384aca8565fc63378629804bf8
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MD5
f320e070d6a6ece9a0e932ccfb1c1596
SHA1fc79ec09c25d005b4a83d984bfee00661d525396
SHA256a3c89e7a0c7c073f34216d117565b282f53e1665a2cfe967f6513ccf0a841b6e
SHA51296942d5792f82934592f2781997201fc14d1ff835b6c1d491c724134a2e4ed42950e085375624f08a7d6ac5307fe2fed125d94384aca8565fc63378629804bf8