DWrite[.]dll | Triage

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General

Target

DWrite.dll
Size

1.5MB
MD5

13eac82de81493740b33ffc7e7eb2f39
SHA1

76eef49a703e86d1ddb8183d19eb4a418ab6dd0c
SHA256

1a606822c8c274e6caf2e442422afaa37453c4babd16e5d761fd730756734f99
SHA512

d40371a74494c80427de8ba62ee741573fb53cb4e548c63ef219629f3c1a20f7c39db5788487a3c2148154b42b71adf56c9b2d7c9999f5edb519761493c1968b
SSDEEP

24576:voYKtqhktdNB0/qaph640Art9MRZTAo6cGHeE9JEEZ0Gf40wbwcdtzK:vGhf8x0AbMDAJz74hwcdtzK

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

beafc7691f4f21093c2dcaa3a84b09f8

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

__dllonexit
_unlock
_lock
_except_handler4_common
_onexit
_initterm
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
malloc
??0exception@@QAE@ABQBD@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABV0@@Z
memcpy_s
memcmp
floor
_libm_sse2_sqrt_precise
free
_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

LCMapStringW
LocaleNameToLCID
GetSystemDefaultLCID
GetACP
GetUserDefaultLCID
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: 3KB

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

.didat
Size: 512B - Virtual size: 196B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

beafc7691f4f21093c2dcaa3a84b09f8

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: 3KB

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

.didat Size: 512B - Virtual size: 196B

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

.reloc Size: 32KB - Virtual size: 32KB

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

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

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

.didat
Size: 512B - Virtual size: 196B

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

.reloc
Size: 32KB - Virtual size: 32KB