mscordaccore_x86_x86_4[.]700[.]20[.]20201[.]dll

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General

Target

mscordaccore_x86_x86_4.700.20.20201.dll
Size

959KB
MD5

e18aa03e4caa6530baf674d4013d9fe2
SHA1

5812e2bee05ba1c097561d8b7d7abdc4a6aa9b33
SHA256

9546277324720ab0e82b47513fe0232e3df68100a29310f241c6f260cf083774
SHA512

d0ef2a441134e16c8683569cb33749b335c7ad7a1cac3fc6ac41bc401db6aae853e7005130ffcf5a24c9e12aa9026a39cfb6c83197f7621d9d9aa96eaceda14a
SSDEEP

24576:X5Y6Nmd6rF663kQb544IpYpDgjfCEjXgpU+KdXiyU:phA6rFBkQb544IpYpDufjXT+KdXiyU

Score

1^/10

Malware Config

Signatures

Files

mscordaccore_x86_x86_4.700.20.20201.dll
.dll windows:6 windows x86 arch:x86

b48f4be60ce658f8283045be599a540f

Code Sign

33:00:00:02:cf:6d:2c:c5:7c:aa:65:a6:d8:00:00:00:00:02:cf
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

84:00:6d:71:05:66:8b:31:61:b4:90:21:3c:89:cb:66:cc:eb:5a:48:fa:71:17:d1:18:3b:62:aa:7d:ad:26:d7
Signer

Actual PE Digest

84:00:6d:71:05:66:8b:31:61:b4:90:21:3c:89:cb:66:cc:eb:5a:48:fa:71:17:d1:18:3b:62:aa:7d:ad:26:d7

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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

F:\workspace\_work\1\s\bin\obj\Windows_NT.x86.Release\src\dlls\mscordac\Release\mscordaccore.pdb

Imports

kernel32

GetCurrentProcess
SetFilePointer
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
FlushFileBuffers
WriteFile
ReadFile
GetProcessHeap
HeapAlloc
HeapFree
GetACP
LCMapStringEx
IsDBCSLeadByte
FormatMessageW
LocalFree
TlsGetValue
TlsAlloc
TlsFree
RaiseException
TlsSetValue
CreateEventW
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateSemaphoreExW
ReleaseSemaphore
CreateMutexW
ReleaseMutex
SleepEx
VirtualAlloc
VirtualFree
VirtualQuery
VirtualProtect
HeapCreate
HeapDestroy
HeapValidate
SetLastError
GetCurrentThreadId
GetSystemTimeAsFileTime
DebugBreak
GetProcessAffinityMask
SwitchToThread
GetEnvironmentVariableW
GetFullPathNameW
ReadProcessMemory
LoadLibraryExW
CreateFileW
GetModuleFileNameW
TerminateProcess
OutputDebugStringW
IsDebuggerPresent
RaiseFailFastException
CloseHandle
FreeLibrary
GetSystemInfo
GetProcAddress
GetModuleHandleW
LeaveCriticalSection
EnterCriticalSection
GetEnvironmentVariableA
WideCharToMultiByte
GetLastError
MultiByteToWideChar
DeleteCriticalSection
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
EncodePointer
InterlockedFlushSList
RtlUnwind
InitializeSListHead
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

ole32

CoTaskMemFree
CoCreateGuid
IIDFromString

oleaut32

SetErrorInfo
CreateErrorInfo

user32

LoadStringW

api-ms-win-crt-string-l1-1-0

wcsncpy_s
wcscat_s
strcmp
strcpy_s
strlen
strncat_s
wcsncat_s
wcsncmp
_wcslwr_s
wcscpy_s
strncmp
strncpy_s
strnlen

api-ms-win-crt-runtime-l1-1-0

_invalid_parameter_noinfo
abort
_cexit
_errno
_execute_onexit_table
_initterm
_initterm_e
terminate
_seh_filter_dll
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table

api-ms-win-crt-stdio-l1-1-0

_flushall
__stdio_common_vsprintf_s
__stdio_common_vsnwprintf_s
_putws
__stdio_common_vsnprintf_s

api-ms-win-crt-heap-l1-1-0

malloc
calloc
free

api-ms-win-crt-convert-l1-1-0

wcstoul

Exports

Exports

CLRDataCreateInstance
DacDbiInterfaceInstance
OutOfProcessExceptionEventCallback
OutOfProcessExceptionEventDebuggerLaunchCallback
OutOfProcessExceptionEventSignatureCallback
OutOfProcessFunctionTableCallback
OutOfProcessFunctionTableCallbackEx

Sections

.text
Size: 704KB - Virtual size: 704KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 193KB - Virtual size: 192KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 8KB

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: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b48f4be60ce658f8283045be599a540f

Code Sign

33:00:00:02:cf:6d:2c:c5:7c:aa:65:a6:d8:00:00:00:00:02:cfCertificate

Extended Key Usages

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

Key Usages

84:00:6d:71:05:66:8b:31:61:b4:90:21:3c:89:cb:66:cc:eb:5a:48:fa:71:17:d1:18:3b:62:aa:7d:ad:26:d7Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

ole32

oleaut32

user32

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-convert-l1-1-0

Exports

Exports

Sections

.text Size: 704KB - Virtual size: 704KB

.rdata Size: 193KB - Virtual size: 192KB

.data Size: 5KB - Virtual size: 8KB

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

.reloc Size: 46KB - Virtual size: 45KB

33:00:00:02:cf:6d:2c:c5:7c:aa:65:a6:d8:00:00:00:00:02:cf
Certificate

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

84:00:6d:71:05:66:8b:31:61:b4:90:21:3c:89:cb:66:cc:eb:5a:48:fa:71:17:d1:18:3b:62:aa:7d:ad:26:d7
Signer

.text
Size: 704KB - Virtual size: 704KB

.rdata
Size: 193KB - Virtual size: 192KB

.data
Size: 5KB - Virtual size: 8KB

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

.reloc
Size: 46KB - Virtual size: 45KB