WeChatRobot[.]exe

Sharing

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General

Target

WeChatRobot.exe
Size

4.3MB
MD5

d8735128bafedc6cafff2a9fd82c9aaa
SHA1

a9ddfffa4163a539e1b749239fdb5107eeb420b9
SHA256

0a1d1d05d72c449681200060cc308e3ae76eb6ac21afedf11b3016c012d472f8
SHA512

65c58fbc405775cf7dc038f9b63e9770971b93913848df574fccb1046c7f80571f6b13ecce1b976dfa2fdcc98b6085e06379a82d14b9472bf2099d70c4f48d75
SSDEEP

98304:PGfXDOwBqbHFyFh9NjazM3YCJRprirFLOAkGkzdnEVomFHKnP:PGSwkYhYCJRpoFLOyomFHKnP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WeChatRobot.exe

Files

WeChatRobot.exe
.exe windows:6 windows x86 arch:x86

c2cfe1ee54905d76c7346229bb42b090

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

EnumSystemLocalesW
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetTimeZoneInformation
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetStdHandle
GetFileType
SetStdHandle
QueryPerformanceFrequency
HeapQueryInformation
GetCommandLineW
GetACP
FreeLibraryAndExitThread
ExitThread
CreateThread
VirtualQuery
GetSystemInfo
GetDriveTypeW
RtlUnwind
GetCPInfo
GetStringTypeW
LCMapStringW
SwitchToThread
OutputDebugStringW
ReadConsoleW
FindFirstFileExW
FindNextFileW
GetCommandLineA
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
WaitForSingleObjectEx
ResetEvent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetUserDefaultLCID
GetTempFileNameW
IsValidCodePage
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
SetErrorMode
GetProfileIntW
GetTickCount
SearchPathW
GetWindowsDirectoryW
FindResourceExW
GetTempPathW
lstrcmpiW
UnlockFile
SetFilePointer
SetEndOfFile
LockFile
GetVolumeInformationW
GetFullPathNameW
FlushFileBuffers
FindFirstFileW
FindClose
DeleteFileW
GetCurrentDirectoryW
VirtualProtect
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
GlobalFlags
GetThreadLocale
FileTimeToSystemTime
GlobalGetAtomNameW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
VerifyVersionInfoW
lstrcpyW
VerSetConditionMask
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
GetVersionExW
GetCurrentThread
ResumeThread
SetThreadPriority
CreateEventW
WaitForSingleObject
SetEvent
InitializeCriticalSectionAndSpinCount
GetCurrentProcessId
CompareStringW
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
LoadLibraryW
LoadLibraryA
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameW
FreeResource
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalFree
GlobalSize
SetLastError
TerminateProcess
ExitProcess
CreateMutexA
GetTempPathA
DeleteFileA
DeleteCriticalSection
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
RaiseException
DecodePointer
VirtualFree
VirtualAlloc
GetCurrentProcess
DuplicateHandle
OutputDebugStringA
Module32NextW
Module32FirstW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
GetProcAddress
GetModuleHandleA
WriteProcessMemory
VirtualAllocEx
OpenProcess
CreateProcessW
CreateRemoteThread
Sleep
GetLastError
CloseHandle
WriteFile
ReadFile
GetFileSize
GetFileAttributesW
CreateFileW
GlobalLock
GlobalUnlock
GlobalAlloc
WideCharToMultiByte
LoadResource
MultiByteToWideChar
FindResourceW
SizeofResource
LockResource
GetModuleHandleExW
WriteConsoleW

user32

RealChildWindowFromPoint
IntersectRect
DrawIconEx
IsRectEmpty
DrawFocusRect
SetWindowRgn
DrawFrameControl
DrawEdge
EnumDisplayMonitors
LoadCursorW
GetSysColorBrush
SetLayeredWindowAttributes
MapDialogRect
SetWindowContextHelpId
SetCursor
ShowOwnedPopups
PostQuitMessage
TranslateMessage
GetMessageW
SystemParametersInfoW
InflateRect
GetMenuItemInfoW
DestroyMenu
MapVirtualKeyW
GetKeyNameTextW
OffsetRect
SetRectEmpty
SendDlgItemMessageA
InvalidateRect
DrawStateW
GetWindowThreadProcessId
GetDesktopWindow
GetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
IsDialogMessageW
SetWindowTextW
IsWindowEnabled
CheckDlgButton
MoveWindow
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
PtInRect
EqualRect
CopyRect
MapWindowPoints
MessageBoxW
AdjustWindowRectEx
GetWindowRect
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
UpdateWindow
SetMenu
GetMenu
GetCapture
GetKeyState
GetDlgCtrlID
GetDlgItem
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
SetWindowPos
DestroyWindow
IsChild
IsMenu
IsWindow
GetAsyncKeyState
TrackMouseEvent
GetIconInfo
EnableWindow
SendMessageW
FindWindowW
OpenClipboard
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
PostMessageW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
LoadBitmapW
GetParent
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
IsZoomed
CharUpperW
SetCapture
ReleaseCapture
SetTimer
KillTimer
DeleteMenu
MessageBeep
WindowFromPoint
NotifyWinEvent
CreatePopupMenu
GetMenuDefaultItem
SetMenuDefaultItem
UpdateLayeredWindow
GetFocus
GetWindow
EnableScrollBar
UnionRect
MonitorFromPoint
DestroyIcon
LoadImageW
WaitMessage
CharNextW
CopyAcceleratorTableW
InvalidateRgn
SetRect
CopyImage
CloseClipboard
SetClipboardData
LoadMenuW
GetSubMenu
TrackPopupMenu
MessageBoxA
GetCursorPos
GetClientRect
UnregisterClassW
IsIconic
GetSystemMetrics
GetSystemMenu
AppendMenuW
DrawIcon
GetDC
ReleaseDC
LoadIconW
GetMenuStringW
GetMenuState
GetMenuItemID
GetMenuItemCount
InsertMenuW
RemoveMenu
DrawTextW
DrawTextExW
GrayStringW
TabbedTextOutW
GetWindowDC
BeginPaint
GetDoubleClickTime
EndPaint
ClientToScreen
ScreenToClient
GetSysColor
FillRect
SetFocus
SetScrollPos
GetScrollPos
GetWindowTextW
GetWindowTextLengthW
GetWindowLongW
CopyIcon
ModifyMenuW
GetUpdateRect
RegisterClipboardFormatW
CharUpperBuffW
TranslateAcceleratorW
InsertMenuItemW
UnpackDDElParam
ReuseDDElParam
FrameRect
PostThreadMessageW
HideCaret
InvertRect
IsCharLowerW
MapVirtualKeyExW
DrawMenuBar
DefFrameProcW
DefMDIChildProcW
TranslateMDISysAccel
IsClipboardFormatAvailable
SubtractRect
CreateMenu
GetComboBoxInfo
DestroyCursor
GetWindowRgn
EmptyClipboard
SetClassLongW
LockWindowUpdate
BringWindowToTop
SetParent
SetCursorPos
DestroyAcceleratorTable
CreateAcceleratorTableW
LoadAcceleratorsW
GetKeyboardState
GetKeyboardLayout
ToUnicodeEx
GetNextDlgGroupItem

gdi32

GetClipBox
GetObjectType
GetPixel
GetStockObject
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetStretchBltMode
SetTextColor
SetTextAlign
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateRectRgnIndirect
PatBlt
ExcludeClipRect
GetTextExtentPoint32W
CreateCompatibleBitmap
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
GetTextMetricsW
CombineRgn
CreateEllipticRgn
Ellipse
GetBkColor
GetTextColor
CreatePolygonRgn
Polygon
Polyline
GetMapMode
SetRectRgn
DPtoLP
CreateRoundRectRgn
GetRgnBox
RealizePalette
SetPixel
Rectangle
OffsetRgn
RoundRect
CreatePalette
GetPaletteEntries
EnumFontFamiliesExW
GetNearestPaletteIndex
GetSystemPaletteEntries
LPtoDP
ExtFloodFill
SetPaletteEntries
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
GetWindowOrgEx
GetViewportOrgEx
SetPixelV
GetTextFaceW
Escape
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateBitmap
BitBlt
GetDeviceCaps
CreateDCW
CopyMetaFileW
GetObjectW
SetDIBColorTable
GetDIBColorTable
StretchBlt
SelectObject
DeleteObject
CreateCompatibleDC
CreateFontIndirectW
CreateDIBSection
DeleteDC

msimg32

TransparentBlt
AlphaBlend

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

RegDeleteKeyW
RegOpenKeyExW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegCloseKey
RegCreateKeyExW
RegOpenKeyW
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
RegQueryValueExW

shell32

DragQueryFileW
ShellExecuteW
SHGetMalloc
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHBrowseForFolderW
SHGetDesktopFolder
DragFinish
SHAppBarMessage
SHGetFileInfoW

comctl32

InitCommonControlsEx

shlwapi

StrStrW
StrCmpW
PathAppendW
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathRemoveFileSpecW
PathStripToRootW
StrFormatKBSizeW

uxtheme

GetCurrentThemeName
IsAppThemed
GetThemePartSize
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
GetWindowTheme
DrawThemeText
GetThemeSysColor
IsThemeBackgroundPartiallyTransparent

ole32

OleUninitialize
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
CoFreeUnusedLibraries
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
CoRevokeClassObject
CoRegisterMessageFilter
CoInitializeEx
DoDragDrop
OleIsCurrentClipboard
OleFlushClipboard
CreateStreamOnHGlobal
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CLSIDFromProgID
CLSIDFromString
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
OleInitialize
CoInitialize

oleaut32

VarBstrFromDate
VariantCopy
OleCreateFontIndirect
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
LoadTypeLi
SysStringLen
SysAllocString
VariantChangeType
VariantClear
VariantInit
SysAllocStringLen
SysFreeString

oledlg

OleUIBusyW

gdiplus

GdipDrawImageRectI
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromFileICM
GdipCreateBitmapFromFile
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipCreateBitmapFromStream
GdipSetInterpolationMode
GdipCreateBitmapFromScan0

winmm

PlaySoundW

oleacc

LresultFromObject
CreateStdAccessibleObject
AccessibleObjectFromWindow

imm32

ImmReleaseContext
ImmGetOpenStatus
ImmGetContext

Sections

.text
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 380KB - Virtual size: 379KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 148KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c2cfe1ee54905d76c7346229bb42b090

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

winmm

oleacc

imm32

Sections

.text Size: 1.6MB - Virtual size: 1.6MB

.rdata Size: 380KB - Virtual size: 379KB

.data Size: 24KB - Virtual size: 43KB

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

.reloc Size: 148KB - Virtual size: 147KB

.text
Size: 1.6MB - Virtual size: 1.6MB

.rdata
Size: 380KB - Virtual size: 379KB

.data
Size: 24KB - Virtual size: 43KB

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

.reloc
Size: 148KB - Virtual size: 147KB