ELSCore[.]dll | Triage

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General

Target

ELSCore.dll
Size

61KB
MD5

938a5d38276aa0c11ff8e1cb9103d78c
SHA1

bd57f578f30edf153bb6035b700cb597d8128ccc
SHA256

ce4e12b97c4f05d6c88c7604f4000b029900c906b6ccd7af0a47ca06c9c7affd
SHA512

d6ccca44f3f9aaf3047d2f2df78576d98f4a5f4e20a4030b1d92776e21310a8f957bbe8cc0c31344b00740e3e3d220768ea6bce9f89b6c1ebeb339715a5be664
SSDEEP

1536:C+IGjMSaRGxrroIE+t4Mr8XDIrReToMKzvYCc/:C+IUMjw7tV8ErReToMKTLc/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ELSCore.dll

Files

ELSCore.dll
.dll windows:10 windows x86 arch:x86

6e7b54591ab6d6b1fe85590d2742b817

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

ElsCore.pdb

Imports

msvcrt

??0exception@@QAE@ABV0@@Z
?what@exception@@UBEPBDXZ
_CxxThrowException
??0exception@@QAE@ABQBDH@Z
memcpy
memmove
_XcptFilter
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@XZ
_callnewh
_amsg_exit
??1exception@@UAE@XZ
_initterm
_purecall
swscanf_s
wcsncpy_s
_except_handler4_common
_errno
malloc
realloc
_lock
free
_unlock
__dllonexit
_onexit
??1type_info@@UAE@XZ
memcmp
??3@YAXPAX@Z
wcscpy_s
memcpy_s
??_V@YAXPAX@Z
__CxxFrameHandler3
memset

ntdll

RtlGUIDFromString
RtlInitUnicodeString

oleaut32

VarUI4FromStr

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW
FindResourceExW
LoadLibraryExW
GetModuleFileNameW
FreeLibrary
GetModuleHandleExW
SizeofResource
LoadResource
DisableThreadLibraryCalls
GetProcAddress

api-ms-win-core-localization-l1-2-0

LCMapStringW

api-ms-win-core-synch-l1-2-0

InitOnceExecuteOnce
Sleep
InitOnceInitialize

api-ms-win-core-synch-l1-1-0

ReleaseSRWLockExclusive
SetEvent
AcquireSRWLockExclusive
CreateEventW
InitializeSRWLock
InitializeCriticalSectionAndSpinCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
WaitForSingleObject

api-ms-win-core-com-l1-1-0

CoTaskMemRealloc
CoTaskMemAlloc
CoTaskMemFree
CoInitializeEx
CoCreateInstance
CoUninitialize

api-ms-win-core-registry-l1-1-0

RegCloseKey
RegDeleteValueW
RegOpenKeyExW
RegQueryValueExW
RegCreateKeyExW
RegSetValueExW
RegQueryInfoKeyW
RegLoadMUIStringW
RegEnumKeyExW

api-ms-win-core-string-l2-1-0

CharNextW

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

MultiByteToWideChar

api-ms-win-core-errorhandling-l1-1-0

UnhandledExceptionFilter
RaiseException
GetLastError
SetUnhandledExceptionFilter

api-ms-win-core-file-l1-1-0

ReadFile
FindClose
FindFirstFileW
CreateFileW

api-ms-win-core-processthreads-l1-1-0

GetExitCodeThread
GetCurrentProcess
GetCurrentProcessId
CreateThread
TerminateProcess
GetCurrentThreadId

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetTickCount
GetSystemDirectoryW

api-ms-win-core-wow64-l1-1-1

GetSystemWow64DirectoryW

api-ms-win-core-wow64-l1-1-0

IsWow64Process

api-ms-win-core-handle-l1-1-0

CloseHandle
DuplicateHandle

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryW

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

HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-debug-l1-1-0

OutputDebugStringA

api-ms-win-core-threadpool-legacy-l1-1-0

QueueUserWorkItem

api-ms-win-core-registry-l2-1-0

RegEnumKeyW

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW

Exports

Exports

MappingDoAction
MappingFreePropertyBag
MappingFreeServices
MappingGetServices
MappingRecognizeText

Sections

.text
Size: 50KB - Virtual size: 49KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6e7b54591ab6d6b1fe85590d2742b817

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

oleaut32

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-registry-l1-1-0

api-ms-win-core-string-l2-1-0

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

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-wow64-l1-1-1

api-ms-win-core-wow64-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-libraryloader-l1-2-1

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

api-ms-win-core-profile-l1-1-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-threadpool-legacy-l1-1-0

api-ms-win-core-registry-l2-1-0

api-ms-win-core-string-obsolete-l1-1-0

Exports

Exports

Sections

.text Size: 50KB - Virtual size: 49KB

.data Size: 1024B - Virtual size: 2KB

.idata Size: 4KB - Virtual size: 4KB

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

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

.text
Size: 50KB - Virtual size: 49KB

.data
Size: 1024B - Virtual size: 2KB

.idata
Size: 4KB - Virtual size: 4KB

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

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