KeyboardFilterShim[.]dll

Sharing

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General

Target

KeyboardFilterShim.dll
Size

45KB
MD5

b363bee5bfe5bce65c73f25fdd1ad493
SHA1

f7dd2ef51847c21af02079c3c2c6ab174341040a
SHA256

a4441fba395eed4308a4fbafa3316055c9c40a810745a9845f6b4c0f36ee3e74
SHA512

b29965f736d87e34e777375d08cd5e5a87e2d0e0184d70d18728d9fd0a3c0e6f3408ce3d616db74b88960a39a0cfae2e2436ed099925d82a506bc845b6d1cf2b
SSDEEP

768:4aeyXQNtGy1ZN7llOVrQPFaln+kBYkiW5d1Pfc99zc:reymAQNJUphl+kttLPf0zc

Score

1^/10

Malware Config

Signatures

Files

KeyboardFilterShim.dll
.dll windows:10 windows x86 arch:x86

d82d23c0f5dfa3083cb540cb107ca2bc

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16/11/2023, 19:20

Not After

14/11/2024, 19:20

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

cf:f2:53:e9:9c:ca:30:43:fb:92:e3:01:fe:d0:4d:f6:eb:ac:06:6b:f1:47:91:d3:a0:a5:f6:93:69:90:f5:10
Signer

Actual PE Digest

cf:f2:53:e9:9c:ca:30:43:fb:92:e3:01:fe:d0:4d:f6:eb:ac:06:6b:f1:47:91:d3:a0:a5:f6:93:69:90:f5:10

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

KeyboardFilterShim.pdb

Imports

apphelp

SE_GetShimId
SE_ShimDPF

msvcrt

memcpy
memmove
_vsnwprintf
memcpy_s
_wcsicmp
toupper
_purecall
malloc
free
iswspace
memmove_s
_wcsnicmp
iswalpha
_except_handler4_common
_onexit
__dllonexit
_unlock
_lock
_initterm
_amsg_exit
_XcptFilter
memset

ntdll

RtlAllocateHeap
RtlFreeHeap

advapi32

RegNotifyChangeKeyValue
RegDeleteValueW
RegEnumValueW
RegOpenKeyExW
RegCloseKey
RegSetValueExW
RegCreateKeyExW
RegGetValueW
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
TraceMessage

kernel32

OpenSemaphoreW
WaitForSingleObjectEx
OutputDebugStringW
GetLastError
FormatMessageW
ReleaseMutex
WaitForSingleObject
GetModuleHandleExW
ReleaseSemaphore
GetTickCount
GetSystemTimeAsFileTime
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
Sleep
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
CloseHandle
HeapDestroy
HeapReAlloc
HeapSize
HeapAlloc
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
InitOnceExecuteOnce
RaiseException
SizeofResource
LockResource
LoadResource
InitializeCriticalSection
GetCurrentThreadId
GetModuleFileNameA
CreateSemaphoreExW
HeapFree
SetLastError
FindResourceExW

user32

GetKeyboardLayout
UnregisterClassA
VkKeyScanExW
MapVirtualKeyExW
GetClassNameW
GetWindowThreadProcessId
GetGUIThreadInfo

rpcrt4

RpcStringBindingComposeW
NdrClientCall4
RpcBindingFromStringBindingW
RpcStringFreeW
RpcBindingFree

Exports

Exports

GetHookAPIs
NotifyShims

Sections

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d82d23c0f5dfa3083cb540cb107ca2bc

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

cf:f2:53:e9:9c:ca:30:43:fb:92:e3:01:fe:d0:4d:f6:eb:ac:06:6b:f1:47:91:d3:a0:a5:f6:93:69:90:f5:10Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

apphelp

msvcrt

ntdll

advapi32

kernel32

user32

rpcrt4

Exports

Exports

Sections

.text Size: 28KB - Virtual size: 28KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 3KB - Virtual size: 2KB

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

cf:f2:53:e9:9c:ca:30:43:fb:92:e3:01:fe:d0:4d:f6:eb:ac:06:6b:f1:47:91:d3:a0:a5:f6:93:69:90:f5:10
Signer

.text
Size: 28KB - Virtual size: 28KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 2KB - Virtual size: 1KB