Analysis
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max time kernel
158s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:52
Static task
static1
Behavioral task
behavioral1
Sample
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe
Resource
win10v2004-en-20220112
General
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Target
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe
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Size
35KB
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MD5
26c1c14a0b7de64393eced74911013ae
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SHA1
81bebe77280dc22c8398f91a05e4a017186fced6
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SHA256
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3
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SHA512
08b084e7f3ead6af1041f86c953070f301cbeb2142ea3c77ef58c30f496f41b8521d31cc1a32ee155dabe501b71a64ee558c4cf8444a7f45645345a43eade6f3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4040 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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 49 IoCs
Processes:
svchost.exedescription ioc process 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 = "2.912607" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.499940" 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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\PriorityDownloadCount = "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\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\Config\KVFileExpirationTime = "132892880876206076" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\NormalDownloadPendingCount = "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\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\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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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\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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.579152" 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\PriorityDownloadPendingCount = "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\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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe Token: SeBackupPrivilege 3796 TiWorker.exe Token: SeRestorePrivilege 3796 TiWorker.exe Token: SeSecurityPrivilege 3796 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.execmd.exedescription pid process target process PID 2256 wrote to memory of 4040 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe MediaCenter.exe PID 2256 wrote to memory of 4040 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe MediaCenter.exe PID 2256 wrote to memory of 4040 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe MediaCenter.exe PID 2256 wrote to memory of 3056 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe cmd.exe PID 2256 wrote to memory of 3056 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe cmd.exe PID 2256 wrote to memory of 3056 2256 169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe cmd.exe PID 3056 wrote to memory of 3592 3056 cmd.exe PING.EXE PID 3056 wrote to memory of 3592 3056 cmd.exe PING.EXE PID 3056 wrote to memory of 3592 3056 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe"C:\Users\Admin\AppData\Local\Temp\169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4040 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\169a10bd6899fd2aea35d9f8bbbb9cea5e4615157d6ea19d92dfab9396aac3f3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3592
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2252
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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:1356
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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:3796
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
14fbc9c03e011aabe704b2d70cd29b96
SHA17f5957f000ec0c8a26a702a196b2228aff483f1e
SHA256d03ad0be3cbd598761d29c20d099704a15fe0320fb4b19e7dfdceff08b4f8f52
SHA51254e5a897c718cfffe5db5624b56dfc2dcb0815c07a24912be4160a3bbda4c84a82feade02661ee3ed15d9eb9a3de55f471ea3ed2fbc60cecc214a8d1aa839d46
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MD5
14fbc9c03e011aabe704b2d70cd29b96
SHA17f5957f000ec0c8a26a702a196b2228aff483f1e
SHA256d03ad0be3cbd598761d29c20d099704a15fe0320fb4b19e7dfdceff08b4f8f52
SHA51254e5a897c718cfffe5db5624b56dfc2dcb0815c07a24912be4160a3bbda4c84a82feade02661ee3ed15d9eb9a3de55f471ea3ed2fbc60cecc214a8d1aa839d46