DavSyncProvider[.]dll

Sharing

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General

Target

DavSyncProvider.dll
Size

327KB
MD5

1814411577c3d5b4d907106f2e33263d
SHA1

4120a7e25036dff5bdd706d19a38137c13fbe231
SHA256

ce8d88a55578410fde18de63075e1cb20b11fc53fc69f37f4786bd6aa60a4d2f
SHA512

0d873d76b61d385509569964734987e2488c2e90be7e9339e519bc65776ee6fa52a500bd52800bfd5a2710de301c7717cdab93e24b4e4c80d16413e4604751b2
SSDEEP

6144:C/nHTd0ttxiCGosJvpWzqvvEXrRLtabUBsjIqiX6r97Rwlrj+1BxKcGNuSDCi6:C/exiPoavwrRLtsUBsjIRXYwlrK1BxKY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
DavSyncProvider.dll

Files

DavSyncProvider.dll
.dll windows:10 windows x86 arch:x86

7749033c243c35b01b653d9f723d6a84

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

DavSyncProvider.pdb

Imports

msvcrt

_initterm
_XcptFilter
_CxxThrowException
_callnewh
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
malloc
free
_purecall
sprintf_s
memmove
towlower
strrchr
_set_errno
strtol
_lock
wcschr
strncpy_s
iswcntrl
_wcstoui64
_ui64tow_s
_wcsicmp
_wcsnicmp
_ultow_s
_vsnwprintf_s
_wtoi
wcstod
wcstol
_wcstoi64
wcstoul
_vscwprintf_p_l
_vswprintf_p_l
wcsstr
tolower
__CxxFrameHandler3
memcmp
_unlock
__dllonexit
_vsnwprintf
_onexit
_errno
??1type_info@@UAE@XZ
_except_handler4_common
strchr
memset
memcpy_s
_amsg_exit
memcpy

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

GetModuleFileNameA
LoadStringW
GetProcAddress
FreeLibrary
GetModuleHandleExW
LoadLibraryExW

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

LeaveCriticalSection
CreateMutexExW
Sleep
EnterCriticalSection
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
DeleteCriticalSection
ReleaseSemaphore
InitOnceBeginInitialize
InitOnceComplete
WaitForSingleObject
OpenSemaphoreW
WaitForSingleObjectEx
CreateSemaphoreExW
ReleaseMutex
InitializeCriticalSection

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

HeapValidate
HeapCompact
HeapDestroy
HeapSize
GetProcessHeap
HeapReAlloc
HeapFree
HeapAlloc
HeapCreate

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

SetLastError
GetLastError
RaiseException
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetCurrentThreadId

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

FormatMessageW

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

CloseHandle

oleaut32

VariantClear
VariantInit
SysAllocStringLen
SysAllocString
SysFreeString

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

EventSetInformation
EventActivityIdControl
EventWrite
EventUnregister
EventWriteTransfer
EventRegister

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

CoCreateGuid
CreateStreamOnHGlobal
StringFromGUID2
CoCreateInstance

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

WideCharToMultiByte
MultiByteToWideChar

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

GetTickCount
GetLocalTime
GetSystemTimeAsFileTime
GetSystemTime

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

QueryPerformanceCounter

winhttp

WinHttpCrackUrl
WinHttpCreateUrl

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

LocalFree

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

FileTimeToLocalFileTime

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

SystemTimeToFileTime
FileTimeToSystemTime

crypt32

CryptBinaryToStringA

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

lstrcmpW

syncutil

ord441
ord109
ord505
ord501
ord503
ord500
ord502
ReadPasswordForPartnership
GetOAuthAccessTokenForPartnership
GetOAuthHelperForAccount
InvalidateOAuthAccessTokenForPartnership
ord739
ord273
ord274
ord411
ord1
ord463
ord462
ord412
ord413
ord27
ord25
ord461
SyncSqmUpdateStats
InitializeSyncStatus
ord453
ord452
ord26
ord464

userdatatypehelperutil

FileTimeToISO8601String
CopyStream
EcGlobalObjIdToUid

networkhelper

ReportSyncProgress

ntdll

RtlCaptureContext
RtlReportException

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

DelayLoadFailureHook
ResolveDelayLoadedAPI

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

RegGetValueW

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

LoadLibraryW

Exports

Exports

DllCanUnloadNow
DllGetClassObject
HandleWebDavMeetingResponseForAppointment
HandleWebDavMeetingResponseForMeetingNotification
UpdateCalDavTrackingSchema

Sections

.text
Size: 290KB - Virtual size: 290KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - 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: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7749033c243c35b01b653d9f723d6a84

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

oleaut32

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

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

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

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

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

winhttp

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

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

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

crypt32

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

syncutil

userdatatypehelperutil

networkhelper

ntdll

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

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

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

Exports

Exports

Sections

.text Size: 290KB - Virtual size: 290KB

.data Size: 512B - Virtual size: 3KB

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

.didat Size: 512B - Virtual size: 56B

.rsrc Size: 11KB - Virtual size: 11KB

.reloc Size: 17KB - Virtual size: 17KB

.text
Size: 290KB - Virtual size: 290KB

.data
Size: 512B - Virtual size: 3KB

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

.didat
Size: 512B - Virtual size: 56B

.rsrc
Size: 11KB - Virtual size: 11KB

.reloc
Size: 17KB - Virtual size: 17KB