Analysis Overview
SHA256
c738d81cf3323d67d0e8bcca4df251c4f10a446d3f326e59adc29ed97d2c20b8
Threat Level: Known bad
The file c738d81cf3323d67d0e8bcca4df251c4f10a446d3f326e59adc29ed97d2c20b8 was found to be: Known bad.
Malicious Activity Summary
Gozi, Gozi IFSB
Drops file in Windows directory
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-06 21:46
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-06 21:46
Reported
2022-02-06 21:48
Platform
win7-en-20211208
Max time kernel
68s
Max time network
23s
Command Line
Signatures
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1784 wrote to memory of 1164 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | C:\Windows\splwow64.exe |
| PID 1784 wrote to memory of 1164 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | C:\Windows\splwow64.exe |
| PID 1784 wrote to memory of 1164 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | C:\Windows\splwow64.exe |
| PID 1784 wrote to memory of 1164 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE | C:\Windows\splwow64.exe |
Processes
C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\gunky.odp"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
Files
memory/1784-54-0x0000000073BC1000-0x0000000073BC5000-memory.dmp
memory/1784-55-0x0000000070F71000-0x0000000070F73000-memory.dmp
memory/1784-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1164-57-0x000007FEFB781000-0x000007FEFB783000-memory.dmp
memory/1784-58-0x0000000075421000-0x0000000075423000-memory.dmp
memory/1784-59-0x000000005FFF0000-0x0000000060000000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-06 21:46
Reported
2022-02-06 21:48
Platform
win10v2004-en-20220113
Max time kernel
125s
Max time network
132s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE | N/A |
Processes
C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\gunky.odp" /ou ""
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| US | 8.247.211.254:80 | tcp | |
| US | 8.247.211.254:80 | tcp | |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
Files
memory/1052-130-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-131-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-132-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-133-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-134-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-135-0x00007FFC645F0000-0x00007FFC64600000-memory.dmp
memory/1052-136-0x00007FFC645F0000-0x00007FFC64600000-memory.dmp
memory/1052-138-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-139-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-140-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/1052-141-0x00007FFC667B0000-0x00007FFC667C0000-memory.dmp
memory/3988-154-0x000002C1A8590000-0x000002C1A8594000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2022-02-06 21:46
Reported
2022-02-06 21:48
Platform
win7-en-20211208
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 852 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\trainmen.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\trainmen.dll
Network
Files
memory/852-54-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp
memory/1252-55-0x0000000075761000-0x0000000075763000-memory.dmp
memory/1252-57-0x0000000074890000-0x00000000748D0000-memory.dmp
memory/1252-56-0x0000000074890000-0x000000007489F000-memory.dmp
memory/1252-58-0x00000000001B0000-0x00000000001B1000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2022-02-06 21:46
Reported
2022-02-06 21:48
Platform
win10v2004-en-20220112
Max time kernel
145s
Max time network
126s
Command Line
Signatures
Gozi, Gozi IFSB
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat | C:\Windows\System32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotifyIcon.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotifyIcon.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3840" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132888340006898034" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.999677" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| 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" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| 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" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1404 wrote to memory of 3376 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1404 wrote to memory of 3376 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1404 wrote to memory of 3376 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\trainmen.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\trainmen.dll
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 92.123.77.73:80 | tcp | |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 40.70.229.150:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 51.124.78.146:443 | settings-win.data.microsoft.com | tcp |
| NL | 104.110.191.140:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 72.21.91.29:80 | tcp |
Files
memory/3376-131-0x0000000075450000-0x0000000075490000-memory.dmp
memory/3376-130-0x0000000075450000-0x000000007545F000-memory.dmp
memory/3376-132-0x0000000002DE0000-0x0000000002DE1000-memory.dmp