Analysis
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max time kernel
164s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe
Resource
win10v2004-en-20220112
General
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Target
0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe
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Size
150KB
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MD5
e1393a7be6b4614127c199f475abfff5
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SHA1
53751d690f2dbc1e54df93dce38e382f3f5ee7c8
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SHA256
0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce
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SHA512
105f6586e2dfe252de4b1431359512e6f126072bf4dfaae4c8f76d0f8766ccb79a68dfa1f5aa087dc93446181d13cffba3f1ee1312fda882789cb9c2c02ecbcd
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x0006000000021417-130.dat family_sakula behavioral2/files/0x0006000000021417-131.dat family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
pid Process 776 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 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.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" 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.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\GroupConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "3696" 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\CacheSizeBytes = "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 = "3668" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.184672" 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\SwarmCount = "1" 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\PeerInfoCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\LANConnectionCount = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.141114" 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\UploadRatePct = "100" 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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.001869" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3372 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2156 wrote to memory of 776 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 61 PID 2156 wrote to memory of 776 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 61 PID 2156 wrote to memory of 776 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 61 PID 2156 wrote to memory of 4052 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 70 PID 2156 wrote to memory of 4052 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 70 PID 2156 wrote to memory of 4052 2156 0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe 70 PID 4052 wrote to memory of 3372 4052 cmd.exe 72 PID 4052 wrote to memory of 3372 4052 cmd.exe 72 PID 4052 wrote to memory of 3372 4052 cmd.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe"C:\Users\Admin\AppData\Local\Temp\0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:776
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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\0f5bb5602cffdba651e9f2ebe0114c033ecbd46318ebfc34b486032b570759ce.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3372
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3432
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:1512
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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:3032