DWrite[.]dll | Triage

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General

Target

DWrite.dll
Size

1.4MB
MD5

2abd44418721b2502a3ff1928db07f0b
SHA1

fd0ef51258cda69c93a32eabd89447dfab9315da
SHA256

28b9b2f2ab153a5911fa34c942935999e86e3d402089428a92aa6f9be7922573
SHA512

88bacce85234f72acb47476d2e642763accfbc04302e5bd8b8499a18eb8f4553b189ff83c199b7e4b797f8943fd2bbd304cf91fdec943726cdda4c90e245dbc7
SSDEEP

24576:NMcF//r3xVIB7OaxaXS45/S9k13eG+u0ygd6F8ztqg+YAK1bNVb6:xtXS45q9qz+u0yfVngTb6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
DWrite.dll

Files

DWrite.dll
.dll windows:6 windows x86 arch:x86

3e79cd163953e58f89f6e685ce9af8f6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

DWrite.pdb

Imports

msvcrt

_unlock
__dllonexit
_lock
_except_handler4_common
_initterm
_onexit
malloc
memcpy
abort
_ultow_s
_ftol2
_libm_sse2_exp_precise
??1type_info@@UAE@XZ
__CxxFrameHandler3
_CxxThrowException
_callnewh
memmove
wcsrchr
_wcsicmp
sprintf_s
ceil
wcschr
iswalpha
wcsnlen
calloc
realloc
_purecall
??0exception@@QAE@XZ
memmove_s
free
??0exception@@QAE@ABQBD@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABV0@@Z
memcpy_s
memcmp
floor
_libm_sse2_sqrt_precise
_libm_sse2_pow_precise
_libm_sse2_log_precise
_amsg_exit
?terminate@@YAXXZ
_XcptFilter
memset

ntdll

WinSqmCommonDatapointSetDWORD
WinSqmIsOptedIn
RtlInitUnicodeString
NtClose
NtSetInformationThread
NtQueryInformationThread
AlpcGetMessageAttribute
AlpcInitializeMessageAttribute
NtAlpcSendWaitReceivePort
NtAlpcConnectPort
RtlCaptureStackBackTrace
WinSqmAddToStreamEx

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

GetModuleHandleW
FindResourceExW
SizeofResource
LoadResource
LockResource
GetProcAddress
DisableThreadLibraryCalls

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

DeleteCriticalSection
Sleep
EnterCriticalSection
ResetEvent
SetEvent
LeaveCriticalSection
CreateEventW
InitializeCriticalSection
WaitForMultipleObjectsEx
WaitForSingleObjectEx

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

QueryPerformanceCounter

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

GetCurrentProcessId
GetCurrentThreadId
GetCurrentThread
GetCurrentProcess
TerminateProcess

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

GetTickCount
GetSystemTimeAsFileTime
GetSystemInfo
GetSystemWindowsDirectoryW

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

SetUnhandledExceptionFilter
RaiseException
GetLastError
UnhandledExceptionFilter
SetLastError
SetErrorMode

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

RegOpenKeyExW
RegQueryValueExW
RegGetValueW
RegNotifyChangeKeyValue
RegEnumValueW
RegCloseKey

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

GetUserDefaultLCID
LCMapStringW
LocaleNameToLCID
GetSystemDefaultLCID
GetACP
GetLocaleInfoEx

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

CompareStringOrdinal
MultiByteToWideChar
WideCharToMultiByte
CompareStringW

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

CreateFileW
ReadFile
GetFileInformationByHandle
FindFirstFileW
FindClose
FindCloseChangeNotification
FindNextChangeNotification
FindFirstChangeNotificationW

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

CloseHandle

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

VirtualQuery
VirtualFree
UnmapViewOfFile
VirtualAlloc
CreateFileMappingW
MapViewOfFileEx

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

OutputDebugStringA

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

LCIDToLocaleName

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

EventRegister
EventWrite
EventEnabled
EventUnregister

api-ms-win-security-base-l1-2-0

CreateWellKnownSid

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

DWriteCreateFactory

Sections

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 201KB - Virtual size: 200KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3e79cd163953e58f89f6e685ce9af8f6

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-l1-1-2

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-security-base-l1-2-0

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

Exports

Exports

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

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

.idata Size: 5KB - Virtual size: 4KB

.rsrc Size: 201KB - Virtual size: 200KB

.reloc Size: 28KB - Virtual size: 28KB

.text
Size: 1.2MB - Virtual size: 1.2MB

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

.idata
Size: 5KB - Virtual size: 4KB

.rsrc
Size: 201KB - Virtual size: 200KB

.reloc
Size: 28KB - Virtual size: 28KB