Analysis
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max time kernel
152s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:18
Static task
static1
Behavioral task
behavioral1
Sample
01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
Resource
win10v2004-en-20220112
General
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Target
01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
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Size
80KB
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MD5
c81e526c5c1fda71c660d65519ab2732
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SHA1
a79a683ac5df1b0a43bf5b41a31b78a6de9e27ae
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SHA256
01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2
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SHA512
b80f220beaaec6061223026d3ba3a68932fcd2aaf1d3d65710c5d9130e63b7e1ea6bed65339ff7a925d210e529698bb1e7aecf4a105369e40c33cedb2285fad6
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x00030000000216ea-130.dat family_sakula behavioral2/files/0x00030000000216ea-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 452 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe -
Drops file in Windows directory 2 IoCs
description 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.
description 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
description ioc Process 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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "0" 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\Config\DODownloadMode = "1" 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\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 = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3700" 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\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\DownloadMonthlyLanBytes = "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 = "3676" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3688" 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\LinkLocalConnectionCount = "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\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 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\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\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.153492" 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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\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\UplinkBps = "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\UploadCount = "0" 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\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 372 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe Token: SeBackupPrivilege 1776 TiWorker.exe Token: SeRestorePrivilege 1776 TiWorker.exe Token: SeSecurityPrivilege 1776 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3996 wrote to memory of 452 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 66 PID 3996 wrote to memory of 452 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 66 PID 3996 wrote to memory of 452 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 66 PID 3996 wrote to memory of 3068 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 75 PID 3996 wrote to memory of 3068 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 75 PID 3996 wrote to memory of 3068 3996 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe 75 PID 3068 wrote to memory of 372 3068 cmd.exe 77 PID 3068 wrote to memory of 372 3068 cmd.exe 77 PID 3068 wrote to memory of 372 3068 cmd.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe"C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:452
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:372
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2064
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:3396
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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:1776