mpclient[.]dll

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General

Target

mpclient.dll
Size

3.6MB
MD5

5bc232f3354125b5fa634e101657f598
SHA1

bd5360cae7760ed1dd72fbb90fa448f02e1e0ab8
SHA256

2b1056d4345ad77e4307f89a6e9181b96f20d7b82d4fec18dbc9be1e0636b0b7
SHA512

1a3f9a9838354dea0fbacca5e140e0ce86b7b63c6a5a83749ccd71b6d10994db84f1257dfc98f8865666a232a9bbdcf189cf9a5a3d0333200f99de304249ce34
SSDEEP

49152:JoI12hcK75SJYzZmHUxS3qNqTs07EXIUe/+/MuvzqAwoI:JoIsdtS3a2+0EI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mpclient.dll

Files

mpclient.dll
.dll windows:5 windows x86 arch:x86

dae1a3f04a7cd51523ba31141bb95f1e

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
ImageList_DragMove
ImageList_Destroy
_TrackMouseEvent
ImageList_DragShowNolock
ImageList_Add
FlatSB_SetScrollProp
ImageList_GetDragImage
ImageList_Create
ImageList_EndDrag
ImageList_DrawEx
ImageList_SetImageCount
FlatSB_GetScrollPos
FlatSB_SetScrollPos
InitializeFlatSB
ImageList_Copy
FlatSB_GetScrollInfo
ImageList_Write
ImageList_SetBkColor
ImageList_GetBkColor
ImageList_BeginDrag
ImageList_GetIcon
ImageList_Replace
ImageList_GetImageCount
ImageList_DragEnter
ImageList_GetIconSize
ImageList_SetIconSize
ImageList_Read
ImageList_DragLeave
ImageList_LoadImageW
ImageList_Draw
ImageList_Remove
ImageList_ReplaceIcon
ImageList_SetOverlayImage

shell32

SHGetFolderPathW
Shell_NotifyIconW

user32

CopyImage
SetMenuItemInfoW
GetMenuItemInfoW
DefFrameProcW
GetDlgCtrlID
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
EnumWindows
ShowOwnedPopups
GetClassInfoExW
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
LoadBitmapW
EnumChildWindows
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ShowCaret
CreatePopupMenu
GetMenuItemID
CharLowerBuffW
PostMessageW
SetWindowLongW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
GetWindowTextW
SetForegroundWindow
GetAsyncKeyState
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
mouse_event
CreateWindowExA
GetClassLongW
SetScrollRange
DrawTextW
PeekMessageA
MessageBeep
SetClassLongW
RemovePropW
AttachThreadInput
GetSubMenu
DestroyIcon
IsWindowVisible
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
LoadStringW
CreateMenu
CharLowerW
SetWindowRgn
SetWindowPos
GetMenuItemCount
GetSysColorBrush
GetWindowDC
DrawTextExW
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
GetSysColor
EnableScrollBar
TrackPopupMenu
keybd_event
DrawIconEx
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
SetRect
GetKeyState
GetCursor
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
CreateWindowExW
GetDCEx
PeekMessageW
MonitorFromWindow
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
IsWindowUnicode
DispatchMessageW
CreateAcceleratorTableW
DefMDIChildProcW
GetSystemMenu
SetScrollPos
GetScrollPos
InflateRect
DrawFocusRect
ReleaseCapture
SendInput
LoadCursorW
ScrollWindow
GetLastActivePopup
GetSystemMetrics
CharUpperBuffW
SetClipboardData
GetClipboardData
ClientToScreen
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
ToAscii
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
FindWindowA
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
MonitorFromRect
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
VkKeyScanW
DestroyMenu
SetWindowsHookExW
EmptyClipboard
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
GetKeyboardState
ScreenToClient
DrawFrameControl
SetCursor
CreateIcon
RemoveMenu
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CloseClipboard
DestroyCursor
PostMessageA
CopyIcon
PostQuitMessage
ShowScrollBar
EnableMenuItem
HideCaret
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowRect
GetWindowLongW
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SysFreeString
VariantClear
VariantInit
GetErrorInfo
SysReAllocStringLen
SafeArrayCreate
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopy
VariantChangeType

advapi32

RegSetValueExW
RegConnectRegistryW
RegEnumKeyExW
RegLoadKeyW
RegDeleteKeyW
RegOpenKeyExW
RegQueryInfoKeyW
RegUnLoadKeyW
RegSaveKeyW
RegDeleteValueW
RegReplaceKeyW
RegFlushKey
RegQueryValueExW
RegEnumValueW
RegCloseKey
RegCreateKeyExW
RegRestoreKeyW

netapi32

NetWkstaGetInfo
NetApiBufferFree

msvcrt

memcpy
memset

winhttp

WinHttpGetIEProxyConfigForCurrentUser
WinHttpSetTimeouts
WinHttpConnect
WinHttpReceiveResponse
WinHttpQueryAuthSchemes
WinHttpGetProxyForUrl
WinHttpReadData
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpOpen
WinHttpWriteData
WinHttpSetCredentials
WinHttpQueryDataAvailable
WinHttpSetOption
WinHttpSendRequest
WinHttpQueryOption

kernel32

GetFileType
GetACP
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
TlsAlloc
TerminateThread
QueryPerformanceFrequency
IsDebuggerPresent
GetFullPathNameW
VirtualFree
ExitProcess
HeapAlloc
GetCPInfoExW
WriteProcessMemory
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
ReadFile
GetUserDefaultLCID
HeapSize
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
LoadLibraryA
ResetEvent
MulDiv
FreeResource
GetVersion
RaiseException
GlobalAddAtomW
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
OutputDebugStringW
GetCurrentThread
LoadLibraryExW
TerminateProcess
LockResource
FileTimeToSystemTime
GetCurrentThreadId
UnhandledExceptionFilter
VirtualQuery
GlobalFindAtomW
VirtualQueryEx
GlobalFree
Sleep
EnterCriticalSection
SetFilePointer
LoadResource
SuspendThread
GetTickCount
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
SetThreadPriority
GlobalLock
VirtualAlloc
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
WinExec
GetVersionExW
GetModuleHandleA
VerifyVersionInfoW
HeapCreate
LCMapStringW
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
TlsFree
GetConsoleOutputCP
GetConsoleCP
lstrlenW
SetEndOfFile
QueryPerformanceCounter
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
GetLocaleInfoW
CreateFileW
EnumResourceNamesW
IsDBCSLeadByteEx
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
WriteFile
ExitThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
CreateEventW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

wsock32

gethostbyaddr
WSACleanup
gethostbyname
bind
gethostname
closesocket
WSAGetLastError
connect
inet_addr
getpeername
WSAAsyncSelect
WSAAsyncGetServByName
WSACancelAsyncRequest
send
ntohs
htons
WSAStartup
getservbyname
getsockname
listen
socket
recv
inet_ntoa
ioctlsocket
WSAAsyncGetHostByName

ole32

IsEqualGUID
OleInitialize
OleUninitialize
CoInitialize
CoCreateInstance
CoUninitialize
CoTaskMemFree
CoTaskMemAlloc

gdi32

Pie
SetBkMode
CreateCompatibleBitmap
GetEnhMetaFileHeader
RectVisible
AngleArc
SetAbortProc
SetTextColor
StretchBlt
RoundRect
RestoreDC
SetRectRgn
GetTextMetricsW
GetWindowOrgEx
CreatePalette
PolyBezierTo
CreateICW
CreateDCW
GetStockObject
CreateSolidBrush
Polygon
MoveToEx
PlayEnhMetaFile
Ellipse
StartPage
GetBitmapBits
StartDocW
AbortDoc
GetSystemPaletteEntries
GetEnhMetaFileBits
GetEnhMetaFilePaletteEntries
CreatePenIndirect
CreateFontIndirectW
PolyBezier
EndDoc
GetObjectW
GetWinMetaFileBits
SetROP2
GetEnhMetaFileDescriptionW
ArcTo
Arc
SelectPalette
ExcludeClipRect
MaskBlt
SetWindowOrgEx
EndPage
DeleteEnhMetaFile
Chord
SetDIBits
SetViewportOrgEx
CreateRectRgn
RealizePalette
SetDIBColorTable
GetDIBColorTable
CreateBrushIndirect
PatBlt
SetEnhMetaFileBits
Rectangle
SaveDC
DeleteDC
FrameRgn
BitBlt
GetDeviceCaps
GetTextExtentPoint32W
GetClipBox
IntersectClipRect
Polyline
CreateBitmap
SetWinMetaFileBits
CombineRgn
GetStretchBltMode
CreateDIBitmap
SetStretchBltMode
GetDIBits
CreateDIBSection
LineTo
GetRgnBox
EnumFontsW
CreateHalftonePalette
SelectObject
DeleteObject
ExtFloodFill
UnrealizeObject
CopyEnhMetaFileW
SetBkColor
CreateCompatibleDC
GetBrushOrgEx
GetCurrentPositionEx
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
GdiFlush
SetPixel
EnumFontFamiliesExW
StretchDIBits
GetPaletteEntries

Exports

Exports

MpAddDynamicSignatureFile
MpAllocMemory
MpCleanOpen
MpCleanStart
MpClientUtilExportFunctions
MpConfigClose
MpConfigDelValue
MpConfigGetValue
MpConfigGetValueAlloc
MpConfigInitialize
MpConfigIteratorClose
MpConfigIteratorEnum
MpConfigIteratorOpen
MpConfigOpen
MpConfigSetValue
MpConfigUninitialize
MpConveySampleSubmissionResult
MpDynamicSignatureEnumerate
MpDynamicSignatureOpen
MpFreeMemory
MpGetDevMode
MpGetDeviceControlSecurityPolicies
MpGetNpSupportFile
MpGetSampleChunk
MpGetTDTFeatureStatus
MpGetTDTFeatureStatusEx
MpGetTPStateInfo
MpGetTSModeInfo
MpGetTaskSchedulerStrings
MpHandleClose
MpManagerEnable
MpManagerOpen
MpManagerStatusQuery
MpManagerStatusQueryEx
MpManagerVersionQuery
MpNetworkCapture
MpQuarantineRequest
MpQueryEngineConfigDword
MpRemoveDynamicSignatureFile
MpRollbackPlatform
MpSampleQuery
MpSampleSubmit
MpScanControl
MpScanResult
MpScanStartEx
MpServiceLogMessage
MpSetTPState
MpThreatEnumerate
MpThreatOpen
MpUnblockEngine
MpUnblockPlatform
MpUnblockSignatures
MpUpdatePlatform
MpUpdateStart
MpUpdateStartEx
MpUpdateTSModeEx
MpUtilsExportFunctions
MpWDEnable
TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 58KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 25KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rdata
Size: 512B - Virtual size: 69B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 237KB - Virtual size: 236KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dae1a3f04a7cd51523ba31141bb95f1e

Headers

File Characteristics

Imports

winspool.drv

comctl32

shell32

user32

version

oleaut32

advapi32

netapi32

msvcrt

winhttp

kernel32

wsock32

ole32

gdi32

Exports

Exports

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.itext Size: 6KB - Virtual size: 6KB

.data Size: 58KB - Virtual size: 58KB

.bss Size: - Virtual size: 25KB

.idata Size: 14KB - Virtual size: 14KB

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

.edata Size: 2KB - Virtual size: 1KB

.rdata Size: 512B - Virtual size: 69B

.reloc Size: 237KB - Virtual size: 236KB

.rsrc Size: 30KB - Virtual size: 30KB

.text
Size: 2.6MB - Virtual size: 2.6MB

.itext
Size: 6KB - Virtual size: 6KB

.data
Size: 58KB - Virtual size: 58KB

.bss
Size: - Virtual size: 25KB

.idata
Size: 14KB - Virtual size: 14KB

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

.edata
Size: 2KB - Virtual size: 1KB

.rdata
Size: 512B - Virtual size: 69B

.reloc
Size: 237KB - Virtual size: 236KB

.rsrc
Size: 30KB - Virtual size: 30KB