OpcServices[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

OpcServices.dll
Size

1.3MB
MD5

13e764f15252461eb967d68fa890f734
SHA1

895eddf352ff51f74049ce83569513e33c53a33e
SHA256

05300defa3c61578fbe53d7a846df73b876a2131d71e166548b15fe8a1270f92
SHA512

93cb2198abd9ffc60ba696bb4874ab878aa052c8228dd8805a24c9b50514da61b1dc142bee129ee6eb421ac4d80c21711c44476298123e29e237a10bb591bceb
SSDEEP

24576:KNKaGL7kwSq64YTLLSq+HZReZEL99X9KIj/G0Ipt3yTMCN54j:KKa8Lk4YXF+eMGxpt3yTBN54j

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
OpcServices.dll

Files

OpcServices.dll
.dll windows:10 windows x86 arch:x86

30160f1ce435be7c164f589b2bf39083

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

OpcServices.pdb

Imports

msvcrt

memchr
abort
isalnum
isdigit
?terminate@@YAXXZ
__uncaught_exception
memcpy
_onexit
__dllonexit
_vsnprintf_s
isspace
_unlock
sprintf_s
_lock
_strtoui64
localeconv
tolower
_strtoi64
??0bad_cast@@QAE@ABV0@@Z
??1bad_cast@@UAE@XZ
___mb_cur_max_func
memmove_s
memcpy_s
_except_handler4_common
??1type_info@@UAE@XZ
??0exception@@QAE@ABQBD@Z
_purecall
_vsnprintf
_vsnwprintf
_callnewh
__crtLCMapStringA
isupper
__crtLCMapStringW
__crtGetStringTypeW
_initterm
wcsstr
_errno
_amsg_exit
_XcptFilter
__CxxFrameHandler3
___lc_codepage_func
___lc_handle_func
strcspn
__pctype_func
_CxxThrowException
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
setlocale
??0exception@@QAE@XZ
malloc
_wcsicmp
islower
free
__mb_cur_max
_ftol2
memcmp
memset

api-ms-win-eventing-provider-l1-1-0

EventUnregister
EventWriteTransfer
EventRegister

api-ms-win-eventing-classicprovider-l1-1-0

UnregisterTraceGuids
TraceMessage
GetTraceLoggerHandle
GetTraceEnableFlags
RegisterTraceGuidsW
GetTraceEnableLevel

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

LoadLibraryExA
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameA
GetModuleHandleExW
DisableThreadLibraryCalls
FreeLibrary
GetProcAddress

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

InitOnceComplete
SleepConditionVariableSRW
InitOnceBeginInitialize
WakeAllConditionVariable
Sleep

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

QueryPerformanceCounter

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

GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
TerminateProcess
CreateThread

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

GetSystemTimeAsFileTime
GetTickCount
GetLocalTime

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

UnhandledExceptionFilter
SetLastError
GetLastError
SetUnhandledExceptionFilter

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

CoUninitialize
CoTaskMemAlloc
CoCreateGuid
StringFromGUID2
CoInitializeEx
CoTaskMemFree
CreateStreamOnHGlobal
CoCreateInstance

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

MultiByteToWideChar
WideCharToMultiByte
CompareStringOrdinal

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

FormatMessageW

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

FlushFileBuffers
SetFilePointerEx
GetFileSizeEx
SetEndOfFile
CreateFileW
ReadFile
FileTimeToLocalFileTime
WriteFile

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

CloseHandle

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

RegOpenKeyExW
RegQueryValueExW
RegCloseKey

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

OutputDebugStringA
IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

GetTempPathW

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

ReleaseSemaphore
ReleaseMutex
InitializeCriticalSectionAndSpinCount
WaitForSingleObjectEx
DeleteCriticalSection
WaitForSingleObject
CreateEventW
LeaveCriticalSection
SetEvent
OpenSemaphoreW
CreateMutexExW
CreateSemaphoreExW
EnterCriticalSection
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
InitializeCriticalSection

api-ms-win-core-kernel32-legacy-l1-1-0

LoadLibraryW
FileTimeToDosDateTime

kernel32

DelayLoadFailureHook

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

GetProcessHeap
HeapAlloc
HeapFree

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

GetDynamicTimeZoneInformation

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

DeleteFiber
CreateFiber
SwitchToFiber
ConvertThreadToFiber

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 160B

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: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

30160f1ce435be7c164f589b2bf39083

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

api-ms-win-eventing-provider-l1-1-0

api-ms-win-eventing-classicprovider-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-core-kernel32-legacy-l1-1-0

kernel32

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

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

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

Exports

Exports

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.data Size: 1024B - Virtual size: 3KB

.idata Size: 5KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 160B

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

.reloc Size: 69KB - Virtual size: 69KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.data
Size: 1024B - Virtual size: 3KB

.idata
Size: 5KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 160B

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

.reloc
Size: 69KB - Virtual size: 69KB