Analysis
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max time kernel
168s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:19
Static task
static1
Behavioral task
behavioral1
Sample
01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe
Resource
win10v2004-en-20220112
General
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Target
01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe
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Size
150KB
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MD5
1de1dd3cec3fac80e5dd4734ace06d57
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SHA1
f64874a54ab40ba661f4b0788c8c268d9bd5c29b
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SHA256
01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561
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SHA512
e0652a43fcf18d1ff3d226ddb0a9839341b87af458c69668202aa77f16827c39207d31832cf19d6b230515220cd4d10d3fd8c953440beb186f5353fe195de2cd
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001ed33-130.dat family_sakula behavioral2/files/0x000400000001ed33-131.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 820 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 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.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" 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe 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 49 IoCs
description ioc Process 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\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\Usage\DownloadMonthlyGroupBytes = "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\DownloadMonthlyLanBytes = "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\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\PriorityDownloadCount = "0" 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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125992" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "33.314002" 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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" 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\UploadMonthlyInternetBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893200669286723" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" 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\LANConnectionCount = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.709893" 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\UploadMonthlyLanBytes = "0" 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\PeerInfoCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3696 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe Token: SeRestorePrivilege 3668 TiWorker.exe Token: SeSecurityPrivilege 3668 TiWorker.exe Token: SeBackupPrivilege 3668 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3480 wrote to memory of 820 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 70 PID 3480 wrote to memory of 820 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 70 PID 3480 wrote to memory of 820 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 70 PID 3480 wrote to memory of 4088 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 84 PID 3480 wrote to memory of 4088 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 84 PID 3480 wrote to memory of 4088 3480 01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe 84 PID 4088 wrote to memory of 3696 4088 cmd.exe 86 PID 4088 wrote to memory of 3696 4088 cmd.exe 86 PID 4088 wrote to memory of 3696 4088 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe"C:\Users\Admin\AppData\Local\Temp\01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:820
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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\01d93820ae405d7187a09f0a9541649d0b854f19b137caf9bd47f4147f2f0561.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3696
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4088
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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:1188
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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:3668