DWrite[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

DWrite.dll
Size

2.5MB
MD5

8eba366022d8577655d12e9a7442c0f5
SHA1

0b8996f53389fb1122e8352c29ac7af089cb3d46
SHA256

05d6e15fb4273dcef07b3133d796bd038cc23dbaad3d108fd14af152fd76e66b
SHA512

da46bbef38e8f5284f09232b6a5a59704ce9077eccfbbcd471ecd76e4d6ef47d056050790eb165c4c5da7d6de79691be6dbfa547c3dab1a5eb125ebae1ca3124
SSDEEP

24576:2WeFJCAlTZMm+ax0W6sXFJca5RmAlr0qewF4oWkaaix2X1IZKMv+RW2nIeLJqmI0:2jJD9MiNGwuo98pILEVpnuR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
DWrite.dll

Files

DWrite.dll
.dll windows:10 windows x86 arch:x86

88467b34defad27497d3b5b2425b32ab

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

DWrite.pdb

Imports

msvcrt

?terminate@@YAXXZ
??1type_info@@UAE@XZ
_unlock
_except_handler4_common
memcmp
_initterm
floor
free
_amsg_exit
ceil
_XcptFilter
_libm_sse2_sqrt_precise
memmove
memcpy
_CxxThrowException
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
_libm_sse2_pow_precise
_libm_sse2_log_precise
_onexit
__CxxFrameHandler3
_libm_sse2_log10_precise
??0exception@@QAE@ABV0@@Z
_libm_sse2_exp_precise
??0exception@@QAE@ABQBDH@Z
_ftol2
_CIatan2
memcpy_s
realloc
_wcsicmp
wcsrchr
wcsnlen
abort
strnlen
??_V@YAXPAX@Z
sprintf_s
_itow_s
rand
calloc
iswalpha
wcschr
_ultow_s
wcstol
qsort
vsprintf_s
sscanf_s
sprintf
strcpy_s
strstr
strcat_s
isspace
strncmp
bsearch
strtod
strchr
strncpy_s
isalnum
_errno
strerror
_lock
??0exception@@QAE@ABQBD@Z
_callnewh
malloc
_purecall
??3@YAXPAX@Z
__dllonexit
memset

ntdll

NtClose
AlpcGetMessageAttribute
AlpcInitializeMessageAttribute
NtAlpcSendWaitReceivePort
NtAlpcConnectPort
NtSetInformationThread
NtQueryInformationThread
RtlCaptureStackBackTrace
RtlInitUnicodeString

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

FreeLibraryAndExitThread
FindResourceExW
LockResource
LoadResource
GetModuleHandleExW
GetModuleHandleW
SizeofResource
GetProcAddress
DisableThreadLibraryCalls

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

Sleep

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

QueryPerformanceCounter

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

GetCurrentThread
GetCurrentProcess
GetCurrentThreadId
GetCurrentProcessId
CreateThread
TerminateProcess

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

GetTickCount
GetSystemTimeAsFileTime
GetSystemTime
GetSystemWindowsDirectoryW
GetTickCount64
GetSystemInfo

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

SetErrorMode
SetLastError
GetLastError
UnhandledExceptionFilter
RaiseException
SetUnhandledExceptionFilter

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

LCMapStringW
LocaleNameToLCID
GetUserDefaultLCID
GetACP
GetLocaleInfoEx
GetSystemDefaultLCID

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

RegQueryValueExW
RegCloseKey
RegGetValueW
RegNotifyChangeKeyValue
RegQueryInfoKeyW
RegEnumKeyExW
RegOpenKeyExW
RegEnumValueW

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

GetFileInformationByHandle
CreateFileW
SetFileTime
ReadFile
FindClose
FindFirstFileW
FindFirstChangeNotificationW
FindNextChangeNotification
FindCloseChangeNotification

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

ResetEvent
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
WaitForMultipleObjectsEx
CreateEventW
WaitForSingleObjectEx
SetEvent

rpcrt4

UuidCreate

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

CloseHandle

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

VirtualFree
VirtualQuery
VirtualAlloc
CreateFileMappingW
MapViewOfFileEx
UnmapViewOfFile

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

EventSetInformation
EventWriteTransfer
EventRegister
EventUnregister

api-ms-win-security-base-l1-1-0

ImpersonateLoggedOnUser
CreateWellKnownSid
RevertToSelf

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

FileTimeToSystemTime

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

CompareStringOrdinal
CompareStringW
WideCharToMultiByte
MultiByteToWideChar

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

LCIDToLocaleName

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

OutputDebugStringA

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

WerRegisterMemoryBlock

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

HeapFree
HeapAlloc
GetProcessHeap

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DWriteCreateFactory

Sections

.text
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 264B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 264KB - Virtual size: 263KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

88467b34defad27497d3b5b2425b32ab

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

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

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-localization-l1-2-0

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

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

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

rpcrt4

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

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

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

api-ms-win-security-base-l1-1-0

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

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

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

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

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

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

api-ms-win-core-delayload-l1-1-1

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

Exports

Exports

Sections

.text Size: 2.2MB - Virtual size: 2.2MB

.data Size: 2KB - Virtual size: 31KB

.idata Size: 6KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 264B

.rsrc Size: 264KB - Virtual size: 263KB

.reloc Size: 56KB - Virtual size: 55KB

.text
Size: 2.2MB - Virtual size: 2.2MB

.data
Size: 2KB - Virtual size: 31KB

.idata
Size: 6KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 264B

.rsrc
Size: 264KB - Virtual size: 263KB

.reloc
Size: 56KB - Virtual size: 55KB