WebView2LoaderWin64[.]dll

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General

Target

WebView2LoaderWin64.dll
Size

417KB
MD5

95012be384b6ca69b9a6daa6091b1cd2
SHA1

69085cf4c2fda4439af30415e2ae4046b46a46f4
SHA256

9e9504d269d9ca88568c031938be5e8e8e2ba9b788582839887e5f56a7b2d4bd
SHA512

943c96ddbc07659874c1cfa60b2da8e99477347e8152a1476a36fd00921f181f236dc66aca8e7146e6e5185d5079ea701aa204ffb83475875ae684e7ea5588b5
SSDEEP

6144:1MCfpNqWVGyEjPt9st4wMdwVqJ6HltjEytzIDCU4M4:zNrEDjwVqJyjEyt0Dpy

Score

1^/10

Malware Config

Signatures

Files

WebView2LoaderWin64.dll
.dll windows:5 windows x64 arch:x64

f5fac480bb228e11964a3d517fa41ce0

Code Sign

33:00:00:02:ce:7c:9a:ce:7d:90:5e:d2:b7:00:00:00:00:02:ce
Certificate

Issuer

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

Not Before

02-05-2019 21:25

Not After

02-05-2020 21:25

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

d3:39:8e:88:d6:74:5f:24:b7:09:c1:ea:fa:09:d3:65:47:7a:92:62:aa:39:b6:e4:4e:63:0e:00:9a:0f:ae:22
Signer

Actual PE Digest

d3:39:8e:88:d6:74:5f:24:b7:09:c1:ea:fa:09:d3:65:47:7a:92:62:aa:39:b6:e4:4e:63:0e:00:9a:0f:ae:22

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

WebView2Loader.dll.pdb

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InterlockedFlushSList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Exports

Exports

CompareBrowserVersions
CreateCoreWebView2Environment
CreateCoreWebView2EnvironmentWithDetails
CreateCoreWebView2EnvironmentWithOptions
GetAvailableCoreWebView2BrowserVersionString

Sections

.text
Size: 288KB - Virtual size: 288KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 91KB - Virtual size: 91KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 148B

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f5fac480bb228e11964a3d517fa41ce0

Code Sign

33:00:00:02:ce:7c:9a:ce:7d:90:5e:d2:b7:00:00:00:00:02:ceCertificate

Extended Key Usages

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

Key Usages

d3:39:8e:88:d6:74:5f:24:b7:09:c1:ea:fa:09:d3:65:47:7a:92:62:aa:39:b6:e4:4e:63:0e:00:9a:0f:ae:22Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Exports

Exports

Sections

.text Size: 288KB - Virtual size: 288KB

.rdata Size: 91KB - Virtual size: 91KB

.data Size: 7KB - Virtual size: 18KB

.pdata Size: 14KB - Virtual size: 14KB

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 9B

_RDATA Size: 512B - Virtual size: 148B

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

.reloc Size: 3KB - Virtual size: 3KB

33:00:00:02:ce:7c:9a:ce:7d:90:5e:d2:b7:00:00:00:00:02:ce
Certificate

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

d3:39:8e:88:d6:74:5f:24:b7:09:c1:ea:fa:09:d3:65:47:7a:92:62:aa:39:b6:e4:4e:63:0e:00:9a:0f:ae:22
Signer

.text
Size: 288KB - Virtual size: 288KB

.rdata
Size: 91KB - Virtual size: 91KB

.data
Size: 7KB - Virtual size: 18KB

.pdata
Size: 14KB - Virtual size: 14KB

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 9B

_RDATA
Size: 512B - Virtual size: 148B

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

.reloc
Size: 3KB - Virtual size: 3KB