33db3b023cf8d0c1cad91fbbb83b0b68f806109b9808c9ec4917ced5a8789ef6

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Reason

config extraction: GuloaderBin: guloader: invalid shellcode

General

Target

33db3b023cf8d0c1cad91fbbb83b0b68f806109b9808c9ec4917ced5a8789ef6
Size

7.4MB
MD5

da75507d0e06aac4942d2bf1f5d2b3fd
SHA1

fd10dc8ae7b9b6735b4d6a2bbad9eebae8880cb5
SHA256

33db3b023cf8d0c1cad91fbbb83b0b68f806109b9808c9ec4917ced5a8789ef6
SHA512

70e78006d59b819be4e32ca14c3d966fc177285ee466a8de13ff878f670791c4bf629b59a8e2d998694b94dc5eb919aca964d6e0a3ac55f0a6fee327f41228a7
SSDEEP

196608:xR8bLiYbtQ/mJlidFvoCBrNMflgviYbtQ/mJlidFvKC7yNSEAN:AbListQ/qlidloCNNMdgvistQ/qlidl9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
33db3b023cf8d0c1cad91fbbb83b0b68f806109b9808c9ec4917ced5a8789ef6

Files

33db3b023cf8d0c1cad91fbbb83b0b68f806109b9808c9ec4917ced5a8789ef6
.exe windows:4 windows x86 arch:x86

069cf635e1352c8dfb241ef8bf553ade

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

winmm

midiStreamOut
midiOutPrepareHeader
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiStreamStop
midiOutReset
midiStreamClose
midiStreamRestart
midiOutUnprepareHeader
midiStreamOpen
midiStreamProperty

ws2_32

WSACleanup
closesocket
getpeername
accept
WSAAsyncSelect
recvfrom
ioctlsocket
inet_ntoa
recv

kernel32

SetLastError
GetTimeZoneInformation
GetVersion
GetACP
HeapSize
RaiseException
GetSystemTime
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
InterlockedDecrement
InterlockedIncrement
OpenProcess
TerminateProcess
GetFileSize
SetFilePointer
CreateToolhelp32Snapshot
Process32First
Process32Next
WideCharToMultiByte
MultiByteToWideChar
GetCurrentProcess
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
ReadFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
InterlockedExchange
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
ExpandEnvironmentStringsA
GlobalAlloc
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
GetFileAttributesA
DeleteFileA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
CreateProcessA
WaitForSingleObject
CloseHandle
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
SetEnvironmentVariableA
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
GetLocalTime

user32

PeekMessageA
SetMenu
GetMenu
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
DeleteMenu
GetSystemMenu
DefWindowProcA
GetClassInfoA
IsZoomed
PostQuitMessage
CopyAcceleratorTableA
GetKeyState
TranslateAcceleratorA
IsWindowEnabled
ShowWindow
SystemParametersInfoA
LoadImageA
EnumDisplaySettingsA
ClientToScreen
EnableMenuItem
GetSubMenu
GetDlgCtrlID
CreateAcceleratorTableA
CreateMenu
ModifyMenuA
AppendMenuA
CreatePopupMenu
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
SetRect
InflateRect
IntersectRect
GetSysColorBrush
DestroyIcon
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
WaitForInputIdle
DrawIconEx
CreateIconFromResource
CreateIconFromResourceEx
RegisterClipboardFormatA
SetRectEmpty
DispatchMessageA
WindowFromPoint
DrawFocusRect
DrawEdge
DrawFrameControl
LoadIconA
TranslateMessage
GetForegroundWindow
GetDesktopWindow
GetClassNameA
GetWindowThreadProcessId
FindWindowA
GetDlgItem
GetWindowTextA
ChildWindowFromPointEx
UnregisterClassA
GetMessageA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
LoadStringA

gdi32

Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
GetTextMetricsA
GetTextExtentPoint32A
GetDeviceCaps
SetStretchBltMode
CreateRectRgnIndirect
SetBkColor
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
GetStockObject
CreateSolidBrush
FillRgn
CreateRectRgn
CombineRgn
PatBlt
CreatePen
GetObjectA
SelectObject
CreateBitmap
CreateDCA
CreateCompatibleBitmap
GetPolyFillMode
GetStretchBltMode
GetROP2
GetBkColor
GetBkMode
GetTextColor
CreateRoundRectRgn
CreateEllipticRgn
PathToRegion
EndPath
BeginPath
GetWindowOrgEx
GetViewportOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetTextColor
SetROP2
SetPolyFillMode
GetWindowExtEx
GetDIBits
RealizePalette
SelectPalette
StretchBlt
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
RoundRect
CreatePolygonRgn
SetBkMode
RestoreDC
SaveDC
GetClipRgn

winspool.drv

OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
RegCreateKeyExA
RegCloseKey

shell32

ShellExecuteA
Shell_NotifyIconA

ole32

CLSIDFromString
OleUninitialize
OleInitialize

oleaut32

LoadTypeLi
RegisterTypeLi
UnRegisterTypeLi

comctl32

ord17
ImageList_Destroy

comdlg32

ChooseColorA
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA

Sections

.text
Size: 512KB - Virtual size: 510KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6.5MB - Virtual size: 6.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 72KB - Virtual size: 219KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 328KB - Virtual size: 327KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

Errors

General

Malware Config

Signatures

Files

069cf635e1352c8dfb241ef8bf553ade

Headers

File Characteristics

Imports

winmm

ws2_32

kernel32

user32

gdi32

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

comdlg32

Sections

.text Size: 512KB - Virtual size: 510KB

.rdata Size: 6.5MB - Virtual size: 6.5MB

.data Size: 72KB - Virtual size: 219KB

.rsrc Size: 328KB - Virtual size: 327KB

.text
Size: 512KB - Virtual size: 510KB

.rdata
Size: 6.5MB - Virtual size: 6.5MB

.data
Size: 72KB - Virtual size: 219KB

.rsrc
Size: 328KB - Virtual size: 327KB