cewmdm[.]dll | Triage

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General

Target

cewmdm.dll
Size

229KB
MD5

5215361b753b5b34045fa39f777a0954
SHA1

a59a8680a3439d319f3d04027190ef2983504ab2
SHA256

5e826468ab274ca98a20295128d8191cf8bc5a54214c46850297fc6ab97c0437
SHA512

5097d374ea757e3807eda3b74e003c6c8e31727353065d77ef6142008b5828261585410f6e548c9d4fde932e843518911e98a773bb62ce6e1d18beb51388f1a6
SSDEEP

6144:t8xEOYE+xV4w1D+90mN0pzxntCizyKpjZDrbLN4oy:t8xEOYE+xaw1DG0mN0z/CiuKpFLa

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cewmdm.dll

Files

cewmdm.dll
.dll regsvr32 windows:10 windows x86 arch:x86

43349f50a232c404f5d593fb5bdef6e6

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

CEWMDM.pdb

Imports

msvcrt

_ftol2_sse
wcspbrk
strnlen
_wtol
memcmp
memcpy_s
memcpy
_onexit
__dllonexit
_unlock
_lock
realloc
_errno
_except_handler4_common
_initterm
_amsg_exit
_XcptFilter
_callnewh
_wcsnicmp
wcschr
wcsncmp
wcsrchr
_wtoi
_wcsicmp
_vsnwprintf
wcsncpy_s
malloc
free
_purecall
wcscat_s
wcscpy_s
wcsnlen
memset

kernel32

GlobalFree
GlobalAlloc
SetFilePointer
ReadFile
GetVersionExW
lstrlenA
lstrlenW
LocalFree
HeapAlloc
SizeofResource
EnterCriticalSection
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
CreateEventW
MultiByteToWideChar
GetLastError
DisableThreadLibraryCalls
CloseHandle
RaiseException
FindResourceExW
LoadResource
GetProcAddress
DeleteCriticalSection
GetModuleHandleW
FreeLibrary
lstrcmpiW
GetFileSize
WaitForSingleObject
SetEvent
CreateThread
ResetEvent
HeapFree
WriteFile
GetTempPathW
CreateFileW
DeleteFileW
GetProcessHeap
GetTempFileNameW
GetSystemTimeAsFileTime
WaitForMultipleObjects
GetExitCodeThread
FileTimeToSystemTime
OutputDebugStringW
DebugBreak
CompareStringW
WideCharToMultiByte
Sleep
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
OutputDebugStringA
GlobalUnlock
GetDiskFreeSpaceW
DeviceIoControl
FreeEnvironmentStringsW
GetLocalTime
GlobalMemoryStatusEx
GetEnvironmentStringsW
FreeEnvironmentStringsA
GlobalLock
LoadLibraryExW
LocalAlloc

user32

CharNextW
PostThreadMessageW
DispatchMessageW
GetMessageW
LoadIconW
RegisterWindowMessageA
PostMessageW
UnregisterClassA

advapi32

RegDeleteValueW
UnregisterTraceGuids
RegQueryValueExW
RegCloseKey
RegisterTraceGuidsW
GetTraceEnableLevel
RegSetValueExW
GetTraceEnableFlags
RegEnumKeyExW
GetTraceLoggerHandle
TraceMessage
RegCreateKeyExW
RegQueryInfoKeyW
RegOpenKeyExW

ole32

CoInitializeEx
CLSIDFromString
PropVariantClear
CoUninitialize
CoTaskMemRealloc
CoTaskMemFree
CoCreateInstance
StringFromGUID2
CoTaskMemAlloc
CoInitialize

oleaut32

UnRegisterTypeLi
LoadTypeLi
SysFreeString
SysAllocString
SysStringLen
VarUI4FromStr
SysAllocStringByteLen
SysAllocStringLen
VariantClear
VariantChangeType
VariantInit
SafeArrayCreateVector
VariantCopy
SafeArrayDestroy
SafeArrayRedim

ntdll

RtlGetPersistedStateLocation

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 190KB - Virtual size: 190KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

43349f50a232c404f5d593fb5bdef6e6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

user32

advapi32

ole32

oleaut32

ntdll

Exports

Exports

Sections

.text Size: 190KB - Virtual size: 190KB

.data Size: 3KB - Virtual size: 5KB

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

.rsrc Size: 22KB - Virtual size: 21KB

.reloc Size: 8KB - Virtual size: 8KB

.text
Size: 190KB - Virtual size: 190KB

.data
Size: 3KB - Virtual size: 5KB

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

.rsrc
Size: 22KB - Virtual size: 21KB

.reloc
Size: 8KB - Virtual size: 8KB