GenKryptik.DCTU is a Trojan. A Trojan is a program that pretends to have a valid use, but in fact modifies the user's computer in malicious ways. Trojans do not replicate or spread to other computers.
Mutexes created
Directory level activity
File level activity- write - file - PIPE\lsarpc
- write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\e66_appcompat.txt
- write - file - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\e66_appcompat.txt
Registry level activity
Library level activity- load - library - C:\WINDOWS\system32\faultrep.dll
- load - library - C:\Documents and Settings\TestMachine\Local Settings\Temp\52f0b898eac4a0b5ae84766d5efb451a.bin
- load - library - C:\WINDOWS\system32\kernel32.dll
- load - library - ddraw.dll
- load - library - d3d8.dll
- load - library - d3d9.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\52f0b898eac4a0b5ae84766d5efb451a.bin
- load - library - C:\WINDOWS\system32\apphelp.dll
- load - library - USER32.dll
- load - library - SHLWAPI.dll
- load - library - VERSION.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\netfx_Core_x86.msi
- load - library - shell32.dll
- load - library - Kernel32
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\netfx_Extended_x86.msi
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\RGB9RAST_x86.msi
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\Setup.exe
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\SetupEngine.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\SetupUi.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\SetupUtility.exe
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\sqmapi.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1025\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1028\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1029\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1030\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1031\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1032\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1033\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1035\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1036\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1037\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1038\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1040\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1041\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1042\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1043\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1044\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1045\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1046\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1049\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1053\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\1055\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\2052\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\2070\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\3076\SetupResources.dll
- load - library - C:\DOCUME~1\TestMachine\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\3082\SetupResources.dll
- load - library - C:\WINDOWS\system32\kernel32.dll
Process API calls used
- NtCreateSection
- ZwMapViewOfSection
- CreateProcessInternalW
Registry API calls used
- NtOpenKey
- NtQueryValueKey
- RegOpenKeyExW
- RegCreateKeyExW
- RegDeleteKeyW
- RegQueryValueExW
- RegCloseKey
- NtQueryValueKey
System API calls used
- LdrLoadDll
- LdrGetProcedureAddress
- LdrGetDllHandle
- LdrLoadDll
Filesystem API calls used
- FindFirstFileExW
- NtOpenFile
- NtCreateFile
- NtSetInformationFile
- NtWriteFile
- NtReadFile
- NtOpenDirectoryObject
- NtQueryDirectoryFile
- NtQueryInformationFile
- NtWriteFile
Network
UDP source >> destination - 192.168.30.10 >> 192.168.30.255
- 192.168.30.10 >> 8.8.8.8
TCP source >> destination - 192.168.30.10 >> 72.21.91.29
Domains:- s.symcb.com with IP - 72.21.91.29
- sw.symcb.com with IP - 72.21.91.29
DNS Request: HTTP Request:- GET URI - http://s.symcb.com/pca3-g5.crl
- GET URI - http://sw.symcb.com/sw.crl
DLL related data Number of DLL's imported = 2
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