vfcompat[.]dll

Sharing

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General

Target

vfcompat.dll
Size

64KB
MD5

9ca60ddc3eb7e60b5492bae9c105c432
SHA1

2540989bd56427ac864c3cd7417c63b37d172822
SHA256

316ce89c9a473d758c1c17aadeb22f3976d2e8dda0efa07899311273e43b7cb8
SHA512

9b32d9e150e4000aa374a0ed934c60ecc8cdc17e29e77888dc270e24dd0bdaccda88b3c87e79191ac2da2f3e39e9782491024c4370160e9aebb4a36b40c7c284
SSDEEP

1536:Cjd9OvJ5PoXlmxKwVekLrNf9u3mIBDjzGEH:CjyYnqJV9u3mSjKk

Score

1^/10

Malware Config

Signatures

Files

vfcompat.dll
.dll windows:10 windows x86 arch:x86

4e2773515c194de1fa1374db2949eb2c

Code Sign

33:00:00:04:fe:59:ca:b7:e6:2a:a5:22:c1:00:00:00:00:04:fe
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16/02/2023, 20:11

Not After

31/01/2024, 20:11

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

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

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2c:f4:08:97:d7:74:08:2f:05:00:4a:ee:59:10:c8:23:5d:21:99:73:79:85:54:1e:3b:5a:37:eb:28:19:1a:ba
Signer

Actual PE Digest

2c:f4:08:97:d7:74:08:2f:05:00:4a:ee:59:10:c8:23:5d:21:99:73:79:85:54:1e:3b:5a:37:eb:28:19:1a:ba

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

vfcompat.pdb

Imports

ntdll

RtlFreeHeap
RtlUnwind

kernel32

FreeEnvironmentStringsW
VirtualQuery
GetModuleHandleExW
GetModuleFileNameW
GetWindowsDirectoryW
FreeLibrary
WideCharToMultiByte
GetVersion
GetCommandLineA
GetVersionExW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetLastError
SetLastError
GetCurrentThreadId
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
GetProcAddress
EncodePointer
VirtualProtect
ExitProcess
LoadLibraryExW
HeapCreate
HeapDestroy
HeapFree
VirtualFree
GetStdHandle
GetFileType
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetTickCount
GetEnvironmentStringsW
GetSystemInfo
EnterCriticalSection
LeaveCriticalSection
Sleep
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
RaiseException
WriteFile
OutputDebugStringA
HeapAlloc
HeapReAlloc
VirtualAlloc
GetStringTypeW
MultiByteToWideChar
LCMapStringW

user32

LoadStringA
CharLowerW

vrfcore

VerifierRegisterProvider
VerifierRegisterLayer
VerifierIsLayerEnabled
VerifierUnregisterLayer
VerifierAreStaticDllsInitialized
VerifierStopMessageEx
VerifierGetAppCallerAddress

Sections

.text
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4e2773515c194de1fa1374db2949eb2c

Code Sign

33:00:00:04:fe:59:ca:b7:e6:2a:a5:22:c1:00:00:00:00:04:feCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

2c:f4:08:97:d7:74:08:2f:05:00:4a:ee:59:10:c8:23:5d:21:99:73:79:85:54:1e:3b:5a:37:eb:28:19:1a:baSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntdll

kernel32

user32

vrfcore

Sections

.text Size: 41KB - Virtual size: 40KB

.data Size: 3KB - Virtual size: 6KB

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

.rsrc Size: 4KB - Virtual size: 3KB

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

33:00:00:04:fe:59:ca:b7:e6:2a:a5:22:c1:00:00:00:00:04:fe
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

2c:f4:08:97:d7:74:08:2f:05:00:4a:ee:59:10:c8:23:5d:21:99:73:79:85:54:1e:3b:5a:37:eb:28:19:1a:ba
Signer

.text
Size: 41KB - Virtual size: 40KB

.data
Size: 3KB - Virtual size: 6KB

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

.rsrc
Size: 4KB - Virtual size: 3KB

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