Analysis
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max time kernel
157s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:54
Static task
static1
Behavioral task
behavioral1
Sample
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe
Resource
win10v2004-en-20220112
General
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Target
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe
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Size
101KB
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MD5
cfe32cd97d3b59c8e6500e31eaefbee8
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SHA1
04d0c28b9da72b6419e88d45332fea71a5ae05d0
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SHA256
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b
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SHA512
2f9b5c0a71880a9bd3ff2dd161bc5e249d218d68ed2603e98c5d771462c235b4858b3c20f7c79a3c13dca554aafb5398847fc581bcb8dc76a4d2044b9fd653c9
Malware Config
Signatures
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Sakula Payload 3 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/3064-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1576 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.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 47 IoCs
Processes:
svchost.exedescription ioc process 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 = "5.000266" 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\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\GroupConnectionCount = "0" 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\NormalDownloadCount = "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\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\MonthID = "2" 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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "3520" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\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\DownloadMonthlyRateFrCnt = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.339109" 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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "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\Usage\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\Usage\MemoryUsageKB = "3732" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3704" 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\DODownloadMode = "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\PeerInfoCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exedescription pid process Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeIncBasePriorityPrivilege 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe Token: SeBackupPrivilege 2068 TiWorker.exe Token: SeRestorePrivilege 2068 TiWorker.exe Token: SeSecurityPrivilege 2068 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.execmd.exedescription pid process target process PID 3064 wrote to memory of 1576 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe MediaCenter.exe PID 3064 wrote to memory of 1576 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe MediaCenter.exe PID 3064 wrote to memory of 1576 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe MediaCenter.exe PID 3064 wrote to memory of 3984 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe cmd.exe PID 3064 wrote to memory of 3984 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe cmd.exe PID 3064 wrote to memory of 3984 3064 08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe cmd.exe PID 3984 wrote to memory of 4084 3984 cmd.exe PING.EXE PID 3984 wrote to memory of 4084 3984 cmd.exe PING.EXE PID 3984 wrote to memory of 4084 3984 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe"C:\Users\Admin\AppData\Local\Temp\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1576 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08a271ddc6eec71758ae2a2de7c6cd35efd56e12c737768fa60777e884d7d10b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4084
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2356
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:2028
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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:2068
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
edb3e8a66f3d1d09ea72537583f29183
SHA1a4510aa704d79ab66ff4371217d6b9fc77e7df58
SHA25609319210c6bf4974b100469e4126d18b2c4967c540fa44b2ec809df7d70d62bd
SHA5128299d024a8b83d8bbcd485444fd562a97e12dd6004a335d67241878755dd5cc3419df30a8dc248d2e82131f40aabb544c94054629b3eee7ec02578dc7fb71496
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
edb3e8a66f3d1d09ea72537583f29183
SHA1a4510aa704d79ab66ff4371217d6b9fc77e7df58
SHA25609319210c6bf4974b100469e4126d18b2c4967c540fa44b2ec809df7d70d62bd
SHA5128299d024a8b83d8bbcd485444fd562a97e12dd6004a335d67241878755dd5cc3419df30a8dc248d2e82131f40aabb544c94054629b3eee7ec02578dc7fb71496
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memory/3064-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB