compfilt.pdb
Static task
static1
Behavioral task
behavioral1
Sample
compfilt.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
compfilt.dll
Resource
win10v2004-20240802-en
General
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Target
032fc33b05e26e801bea7340fcd63bce5fceb0b063f9575a2ab68900a07df44cN
-
Size
12KB
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MD5
4d34ac43551bd6bcf67db43b487336d0
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SHA1
7aaba18a4c8dc8b7634ac36a88f675f91df9990c
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SHA256
032fc33b05e26e801bea7340fcd63bce5fceb0b063f9575a2ab68900a07df44c
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SHA512
aedead353044255a4a0c55fe647a7f8cd3f1f89e34ea9bb796132b8ca761c39f9a287cca128a0acc382870eb67ec95b030ac34916c2ca6a7125297cb4ee6fd0e
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SSDEEP
192:FepuBucqjzwROLEh/F0035eedk+F5dIbAJbHf896d9NQGYFoSbgTAIwLu:oEqPCOojkCdIcdHfPYH0MIwLu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/compfilt.dll
Files
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032fc33b05e26e801bea7340fcd63bce5fceb0b063f9575a2ab68900a07df44cN.cab
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compfilt.dll.dll regsvr32 windows:5 windows x86 arch:x86
0d27346727f4926772973d71c7483b6f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
PDB Paths
Imports
msvcrt
strncmp
??2@YAPAXI@Z
strchr
wcslen
wcscpy
??3@YAXPAX@Z
_wcsicmp
iisrtl
IISInitializeCriticalSection
advapi32
GetSecurityDescriptorLength
kernel32
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
EnterCriticalSection
LeaveCriticalSection
SetLastError
FreeLibrary
DeleteCriticalSection
LocalFree
CloseHandle
WaitForSingleObject
ExpandEnvironmentStringsW
WideCharToMultiByte
LocalAlloc
GetProcAddress
LoadLibraryA
InterlockedIncrement
FindClose
FindNextFileA
InterlockedExchangeAdd
FindFirstFileA
GetVolumeInformationA
CreateDirectoryA
GetFileAttributesExA
InterlockedDecrement
RemoveDirectoryA
DeleteFileA
FileTimeToSystemTime
CompareFileTime
WriteFile
IsDBCSLeadByte
MoveFileExA
SetFileAttributesA
SetFileTime
GetOverlappedResult
GetLastError
ReadFile
CreateFileA
GetModuleHandleA
Sleep
SetEvent
SetThreadPriority
CreateThread
CreateEventA
DisableThreadLibraryCalls
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
user32
CharPrevExA
LoadStringA
ole32
CoInitializeEx
CoInitialize
CoUninitialize
CoGetClassObject
infocomm
TsCloseHandle
?QueryFileHandle@TS_OPEN_FILE_INFO@@QAEPAXXZ
TsCreateFile
Exports
Exports
??4ALLOC_CACHE_HANDLER@@QAEAAV0@ABV0@@Z
??4TSVC_CACHE@@QAEAAV0@ABV0@@Z
?GetInstanceId@TSVC_CACHE@@QBEKXZ
?GetServerInstance@TSVC_CACHE@@QBEPAXXZ
?GetServiceId@TSVC_CACHE@@QBEKXZ
?IsValid@ALLOC_CACHE_HANDLER@@QBEHXZ
?IsValid@TS_OPEN_FILE_INFO@@QBEHXZ
?Lock@ALLOC_CACHE_HANDLER@@AAEXXZ
?QueryAttributes@TS_OPEN_FILE_INFO@@QBEKXZ
?QueryETag@TS_OPEN_FILE_INFO@@QBEPADXZ
?QueryLastWriteTime@TS_OPEN_FILE_INFO@@QBEHPAU_FILETIME@@@Z
?QuerySize@TS_OPEN_FILE_INFO@@QBEHAAT_LARGE_INTEGER@@@Z
?QuerySize@TS_OPEN_FILE_INFO@@QBEHPAK0@Z
?RetrieveHttpInfo@TS_OPEN_FILE_INFO@@QAEHPADPAH@Z
?SetParameters@TSVC_CACHE@@QAEXKKPAX@Z
?Unlock@ALLOC_CACHE_HANDLER@@AAEXXZ
?WeakETag@TS_OPEN_FILE_INFO@@QBEHXZ
DllRegisterServer
GetFilterVersion
HttpFilterProc
TerminateFilter
Sections
.text Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ