smb[.]exe | Triage

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General

Target

smb.exe
Size

16.1MB
MD5

604e3a2747f67835df5a61615f98facd
SHA1

3005f09f0d4c4025cf450a67bd52f260b9f5964d
SHA256

c58659c3b4d811e992572be01191bd1af2afa44f2ce3b1fb61db91700bbae690
SHA512

49acdfe44ba886a51b5ba054db07f66c31a09ad48f6972b242832fbe966ba258d67b92bcf83505fd4fa01871cf74058585e6ad1c40146e35743e3f1d7c133820
SSDEEP

393216:aN3eETMNpATIcWSz6DwOkuKlPaNBH9bbhy:aN3eETMNpATFdaw9uKPG3bbg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
smb.exe

Files

smb.exe
.exe windows:5 windows x86 arch:x86

cdf2338385bbf26ec9ce2289fc7f2d64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

ord17

winmm

timeBeginPeriod
joyGetDevCapsW
joyGetPosEx
timeEndPeriod

kernel32

GetTempFileNameW
GlobalAddAtomW
GlobalDeleteAtom
GetModuleHandleW
lstrlenW
GetLocaleInfoA
LockResource
VirtualProtect
VirtualQuery
SetLastError
LoadResource
SizeofResource
FindResourceA
FindResourceW
IsBadReadPtr
IsBadWritePtr
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
FindNextFileA
FindFirstFileExA
GetProcessHeap
DecodePointer
GetFileType
LCMapStringW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetOEMCP
IsValidCodePage
GetStringTypeW
GetCPInfo
HeapFree
GlobalFree
HeapAlloc
GetStdHandle
GetModuleFileNameA
GetModuleHandleExW
ExitProcess
HeapSize
HeapCompact
SetEnvironmentVariableW
DeleteFileW
GetACP
LoadLibraryExW
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
RtlUnwind
InitializeSListHead
GetCurrentProcessId
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
QueryPerformanceFrequency
QueryPerformanceCounter
LoadLibraryExA
GetSystemInfo
RaiseException
FileTimeToSystemTime
FileTimeToLocalFileTime
GetSystemTime
GetVersion
GetTempPathW
FindClose
FindNextFileW
FindFirstFileW
GetCurrentDirectoryW
SetErrorMode
GlobalUnlock
GlobalLock
GlobalAlloc
GetExitCodeProcess
GetCommandLineW
WideCharToMultiByte
Sleep
SetCurrentDirectoryW
CreateDirectoryW
CloseHandle
SetFilePointer
WriteFile
GetLastError
ReadFile
CreateFileW
GetCurrentThreadId
RemoveDirectoryW
GetVersionExW
GetModuleFileNameW
WriteConsoleW
GetLocaleInfoW
MultiByteToWideChar
FreeLibrary
GetProcAddress
LoadLibraryW
SetStdHandle
GetConsoleCP
GetConsoleMode
SetFilePointerEx
FlushFileBuffers
HeapReAlloc

user32

SystemParametersInfoW
DrawEdge
DrawTextW
PostQuitMessage
IntersectRect
SetRect
DrawFocusRect
InvertRect
CreateDialogParamA
CreateDialogParamW
CreateDialogIndirectParamA
CreateDialogIndirectParamW
DialogBoxParamA
DialogBoxIndirectParamA
DialogBoxIndirectParamW
LoadMenuA
LoadMenuW
LoadStringA
SetLastErrorEx
GetTabbedTextExtentW
GetUpdateRect
IsIconic
DefMDIChildProcW
SetDlgItemTextW
EndPaint
BeginPaint
PtInRect
GetDlgItem
MapVirtualKeyW
ModifyMenuW
GetDlgItemTextW
EndDialog
DrawMenuBar
DestroyMenu
LoadMenuIndirectW
GetMenuItemCount
SetWindowPlacement
GetWindowPlacement
GetFocus
CallWindowProcW
RemovePropW
SetPropW
GetPropW
UnionRect
DestroyWindow
SetScrollPos
SetScrollRange
CreateWindowExW
GetParent
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetFocus
GetSysColor
GetDesktopWindow
RedrawWindow
GetSystemMenu
UpdateWindow
SetWindowLongW
MessageBoxW
GetMenuStringW
GetMenuItemID
GetInputState
FillRect
LoadStringW
DialogBoxParamW
RegisterClassW
RegisterClassExW
LoadImageW
LoadIconW
GetWindow
GetClassNameW
GetTopWindow
GetMonitorInfoW
MonitorFromWindow
GetSystemMetrics
OemToCharA
GetAsyncKeyState
GetActiveWindow
ShowCursor
SetCapture
ReleaseCapture
GetKeyState
GetWindowRect
MapWindowPoints
SetWindowPos
IsZoomed
GetWindowLongW
AdjustWindowRectEx
SendMessageW
LockWindowUpdate
IsWindowVisible
GetClientRect
SetWindowTextW
IsDialogMessageW
SetTimer
GetClipboardData
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
IsClipboardFormatAvailable
wsprintfW
ShowWindow
PostMessageW
CheckMenuItem
EnableMenuItem
GetMenu
InvalidateRect
SetCursorPos
ClientToScreen
ScreenToClient
GetCursorPos
GetKeyboardState
CopyRect
UnhookWindowsHookEx
KillTimer
SetWindowsHookExW
CallNextHookEx
DestroyIcon
GetSubMenu
DeleteMenu
GetMenuState
LoadCursorW
SetCursor
ReleaseDC
CreateIconIndirect
GetDC
MsgWaitForMultipleObjects
DispatchMessageW
TranslateMessage
TranslateMDISysAccel
GetMessageW
PeekMessageW
SendDlgItemMessageW

gdi32

CreatePalette
GetDeviceCaps
SelectPalette
RealizePalette
GetObjectW
CreateFontIndirectW
CreatePen
Rectangle
SelectObject
MoveToEx
LineTo
CreateSolidBrush
GetStockObject
SetTextColor
SetBkMode
DeleteObject
GetClipRgn
ExcludeClipRect
SelectClipRgn
GetTextExtentPointW
GetCharWidthW
DPtoLP
SetTextAlign
SetROP2
LPtoDP
SetBkColor
Polygon
TextOutW
SetPolyFillMode
GetTextMetricsW
GetNearestPaletteIndex
CreateHatchBrush
SetDIBits
CreateCompatibleBitmap
CreateRectRgn
CreateBitmap

comdlg32

GetSaveFileNameW
GetOpenFileNameW

shell32

ShellExecuteExW
DragAcceptFiles
DragQueryFileW

Exports

Exports

NoAmdPwrXpressRequestHighPerformance
NoNvOptimEnablement
zi32Support

Sections

.text
Size: 612KB - Virtual size: 611KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 94KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 13KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 297KB - Virtual size: 296KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 32KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cdf2338385bbf26ec9ce2289fc7f2d64

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

winmm

kernel32

user32

gdi32

comdlg32

shell32

Exports

Exports

Sections

.text Size: 612KB - Virtual size: 611KB

.rdata Size: 94KB - Virtual size: 94KB

.data Size: 13KB - Virtual size: 17KB

.rsrc Size: 297KB - Virtual size: 296KB

.reloc Size: 32KB - Virtual size: 31KB

.text
Size: 612KB - Virtual size: 611KB

.rdata
Size: 94KB - Virtual size: 94KB

.data
Size: 13KB - Virtual size: 17KB

.rsrc
Size: 297KB - Virtual size: 296KB

.reloc
Size: 32KB - Virtual size: 31KB