Analysis
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max time kernel
162s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:30
Static task
static1
Behavioral task
behavioral1
Sample
01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe
Resource
win10v2004-en-20220112
General
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Target
01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe
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Size
36KB
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MD5
e6191bb9c6f8ea72b6821b7c1e69fe96
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SHA1
ef9677cd481c39df5785061e98a66df2ecc0a987
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SHA256
01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109
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SHA512
fda0acb5f515d3c688a0184a182e5e268469ab619cb4270c3da9bf9c9a23db38c76dd26f29805a8dc57d7365374202462eb9350024295adf64fbaf089df02564
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4032 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 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.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" 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.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 47 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" 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 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\MonthID = "2" 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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.061843" 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\LANConnectionCount = "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\DownloadMonthlyRateBkCnt = "0" 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 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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\PriorityDownloadCount = "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 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\InternetConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.197239" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3860" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" 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\PeerInfoCount = "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\NormalDownloadPendingCount = "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\Config 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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3480 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeIncBasePriorityPrivilege 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe Token: SeBackupPrivilege 3780 TiWorker.exe Token: SeRestorePrivilege 3780 TiWorker.exe Token: SeSecurityPrivilege 3780 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2516 wrote to memory of 4032 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 60 PID 2516 wrote to memory of 4032 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 60 PID 2516 wrote to memory of 4032 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 60 PID 2516 wrote to memory of 1556 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 76 PID 2516 wrote to memory of 1556 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 76 PID 2516 wrote to memory of 1556 2516 01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe 76 PID 1556 wrote to memory of 3480 1556 cmd.exe 78 PID 1556 wrote to memory of 3480 1556 cmd.exe 78 PID 1556 wrote to memory of 3480 1556 cmd.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe"C:\Users\Admin\AppData\Local\Temp\01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4032
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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\01572668ce0eb1b34d96aed5c7652deb0eef9207759763df4b7afa2252930109.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3480
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2028
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:32
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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:3780