GammUI[.]exe | Triage

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General

Target

GammUI.exe
Size

814KB
MD5

c27ad465ed3a0a1c4c7ab37f2273741b
SHA1

2c61bca14d2fca535e628079706ee557c5cfefdc
SHA256

95347a87edddbcf133c1ad6415fb4150a8b72ad08c2cb8adb6a41dfde0107d78
SHA512

101bf38c5bf3dc5648bc01754807214a9565de804f7908a036fb76d1cd6476f46155482552eb1304fa2f7a7af931f897847ae8a37e09ceba6bb90d26fda6a37d
SSDEEP

12288:XSnGDOEfGdx+pXx1H0NM7g594WAR/NsPHspcVCeKZMBTH:XkaO5dxMBx0NvvAleKoH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
GammUI.exe

Files

GammUI.exe
.exe windows:4 windows x86

ecdfc74204c2a1d8f8b117e79f9a2e84

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_BYTES_REVERSED_HI

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
RegFlushKey
RegCloseKey

user32

GetKeyboardType
DestroyWindow
LoadStringA
MessageBoxA
CharNextA
CreateWindowExA
WindowFromPoint
WaitMessage
ValidateRect
UpdateWindow
UnregisterClassA
UnionRect
UnhookWindowsHookEx
TranslateMessage
TranslateMDISysAccel
TrackPopupMenu
SystemParametersInfoA
ShowWindow
ShowScrollBar
ShowOwnedPopups
SetWindowsHookExA
SetWindowTextA
SetWindowPos
SetWindowPlacement
SetWindowLongW
SetWindowLongA
SetTimer
SetScrollRange
SetScrollPos
SetScrollInfo
SetRect
SetPropA
SetParent
SetMenuItemInfoA
SetMenu
SetKeyboardState
SetForegroundWindow
SetFocus
SetCursor
SetClipboardData
SetClassLongA
SetCaretPos
SetCapture
SetActiveWindow
SendMessageW
SendMessageA
ScrollWindowEx
ScrollWindow
ScreenToClient
RemovePropA
RemoveMenu
ReleaseDC
ReleaseCapture
RegisterWindowMessageA
RegisterClipboardFormatA
RegisterClassA
RedrawWindow
PtInRect
PostQuitMessage
PostMessageA
PeekMessageW
PeekMessageA
OpenClipboard
OffsetRect
OemToCharA
MessageBoxA
MessageBeep
MapWindowPoints
MapVirtualKeyA
LoadStringA
LoadKeyboardLayoutA
LoadIconA
LoadCursorA
LoadBitmapA
KillTimer
IsZoomed
IsWindowVisible
IsWindowUnicode
IsWindowEnabled
IsWindow
IsRectEmpty
IsIconic
IsDialogMessageW
IsDialogMessageA
IsChild
IsCharAlphaNumericA
IsCharAlphaA
InvalidateRect
IntersectRect
InsertMenuItemA
InsertMenuA
InflateRect
GetWindowThreadProcessId
GetWindowTextA
GetWindowRect
GetWindowPlacement
GetWindowLongW
GetWindowLongA
GetWindowDC
GetTopWindow
GetSystemMetrics
GetSystemMenu
GetSysColorBrush
GetSysColor
GetSubMenu
GetScrollRange
GetScrollPos
GetScrollInfo
GetPropA
GetParent
GetWindow
GetMessageTime
GetMessagePos
GetMenuStringA
GetMenuState
GetMenuItemInfoA
GetMenuItemID
GetMenuItemCount
GetMenu
GetLastActivePopup
GetKeyboardState
GetKeyboardLayoutNameA
GetKeyboardLayoutList
GetKeyboardLayout
GetKeyState
GetKeyNameTextA
GetIconInfo
GetForegroundWindow
GetFocus
GetDoubleClickTime
GetDesktopWindow
GetDCEx
GetDC
GetCursorPos
GetCursor
GetClipboardData
GetClientRect
GetClassNameA
GetClassLongA
GetClassInfoA
GetCaretPos
GetCapture
GetActiveWindow
FrameRect
FindWindowA
FillRect
EqualRect
EnumWindows
EnumThreadWindows
EnumClipboardFormats
EnumChildWindows
EndPaint
EnableWindow
EnableScrollBar
EnableMenuItem
EmptyClipboard
DrawTextA
DrawMenuBar
DrawIconEx
DrawIcon
DrawFrameControl
DrawFocusRect
DrawEdge
DispatchMessageW
DispatchMessageA
DestroyWindow
DestroyMenu
DestroyIcon
DestroyCursor
DestroyCaret
DeleteMenu
DefWindowProcA
DefMDIChildProcA
DefFrameProcA
CreatePopupMenu
CreateMenu
CreateIcon
CreateCaret
CloseClipboard
ClientToScreen
ChildWindowFromPoint
CheckMenuItem
CallWindowProcA
CallNextHookEx
BeginPaint
CharNextA
CharLowerBuffA
CharLowerA
CharUpperBuffA
CharToOemA
AdjustWindowRectEx
ActivateKeyboardLayout

kernel32

GetACP
Sleep
VirtualFree
VirtualAlloc
GetCurrentThreadId
InterlockedDecrement
InterlockedIncrement
VirtualQuery
WideCharToMultiByte
MultiByteToWideChar
lstrlenA
lstrcpynA
LoadLibraryExA
GetThreadLocale
GetStartupInfoA
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetLastError
GetCommandLineA
FreeLibrary
FindFirstFileA
FindClose
ExitProcess
CompareStringA
WriteFile
UnhandledExceptionFilter
SetFilePointer
SetEndOfFile
RtlUnwind
ReadFile
RaiseException
GetStdHandle
GetFileSize
GetFileType
CreateFileA
CloseHandle
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleA
lstrcpyA
lstrcmpA
WritePrivateProfileStringA
WriteFile
WaitForSingleObject
VirtualQuery
VirtualAlloc
SizeofResource
SetThreadLocale
SetFilePointer
SetEvent
SetErrorMode
SetEndOfFile
ResetEvent
ReadFile
MulDiv
LockResource
LoadResource
LoadLibraryA
LeaveCriticalSection
InitializeCriticalSection
GlobalUnlock
GlobalHandle
GlobalLock
GlobalFree
GlobalFindAtomA
GlobalDeleteAtom
GlobalAlloc
GlobalAddAtomA
GetVersionExA
GetVersion
GetTickCount
GetThreadLocale
GetStdHandle
GetProcAddress
GetPrivateProfileStringA
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetLocalTime
GetLastError
GetFullPathNameA
GetDiskFreeSpaceA
GetDateFormatA
GetCurrentThreadId
GetCurrentProcessId
GetCPInfo
FreeResource
InterlockedExchange
FreeLibrary
FormatMessageA
FindResourceA
EnumCalendarInfoA
EnterCriticalSection
DeleteCriticalSection
CreateThread
CreateFileA
CreateEventA
CompareStringA
CloseHandle
Sleep
MulDiv

msimg32

GradientFill

gdi32

UnrealizeObject
StretchBlt
SetWindowOrgEx
SetWindowExtEx
SetWinMetaFileBits
SetViewportOrgEx
SetViewportExtEx
SetTextColor
SetStretchBltMode
SetROP2
SetPixel
SetMapMode
SetEnhMetaFileBits
SetDIBColorTable
SetBrushOrgEx
SetBkMode
SetBkColor
SelectPalette
SelectObject
SelectClipRgn
SaveDC
RestoreDC
Rectangle
RectVisible
RealizePalette
Polyline
Polygon
PolyPolyline
PlayEnhMetaFile
PatBlt
MoveToEx
MaskBlt
LineTo
IntersectClipRect
GetWindowOrgEx
GetWinMetaFileBits
GetTextMetricsA
GetTextExtentPointA
GetTextExtentPoint32A
GetSystemPaletteEntries
GetStockObject
GetRgnBox
GetPixel
GetPaletteEntries
GetObjectA
GetEnhMetaFilePaletteEntries
GetEnhMetaFileHeader
GetEnhMetaFileBits
GetDeviceCaps
GetDIBits
GetDIBColorTable
GetDCOrgEx
GetCurrentPositionEx
GetClipBox
GetBrushOrgEx
GetBitmapBits
ExtTextOutA
ExtCreatePen
ExcludeClipRect
DeleteObject
DeleteEnhMetaFile
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePenIndirect
CreatePalette
CreateHalftonePalette
CreateFontIndirectA
CreateDIBitmap
CreateDIBSection
CreateCompatibleDC
CreateCompatibleBitmap
CreateBrushIndirect
CreateBitmap
CopyEnhMetaFileA
CombineRgn
BitBlt

version

VerQueryValueA
GetFileVersionInfoSizeA
GetFileVersionInfoA

ole32

CoTaskMemAlloc
CoCreateInstance
CoUninitialize
CoInitialize

comctl32

_TrackMouseEvent
ImageList_SetIconSize
ImageList_GetIconSize
ImageList_Write
ImageList_Read
ImageList_GetDragImage
ImageList_DragShowNolock
ImageList_DragMove
ImageList_DragLeave
ImageList_DragEnter
ImageList_EndDrag
ImageList_BeginDrag
ImageList_Remove
ImageList_DrawEx
ImageList_Draw
ImageList_GetBkColor
ImageList_SetBkColor
ImageList_Add
ImageList_GetImageCount
ImageList_Destroy
ImageList_Create
InitCommonControls

shell32

SHGetPathFromIDListA
SHBrowseForFolderA

gammu

myendbackup
mybackuptodo
mybackupcalendar
mybackupsimpbk
mybackupphonepbk
mystartbackup
mygetbackupformatfeatures
mygetgammuversion
mygetstructuresize
mygetfirmwareversion
mygetmodelname
mygetmanufacturer
mygetdct4securitycode
mygetdct4simlocknetwork
mygetimei
mygetnetworkinfo
myendconnection
mystartconnection

Sections

.text
Size: 638KB - Virtual size: 638KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 13KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 64B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ecdfc74204c2a1d8f8b117e79f9a2e84

Headers

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

msimg32

gdi32

version

ole32

comctl32

shell32

gammu

Sections

.text Size: 638KB - Virtual size: 638KB

.itext Size: 2KB - Virtual size: 2KB

.data Size: 8KB - Virtual size: 8KB

.bss Size: - Virtual size: 13KB

.idata Size: 12KB - Virtual size: 11KB

.tls Size: - Virtual size: 64B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 44KB - Virtual size: 44KB

.rsrc Size: 107KB - Virtual size: 107KB

.text
Size: 638KB - Virtual size: 638KB

.itext
Size: 2KB - Virtual size: 2KB

.data
Size: 8KB - Virtual size: 8KB

.bss
Size: - Virtual size: 13KB

.idata
Size: 12KB - Virtual size: 11KB

.tls
Size: - Virtual size: 64B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 44KB - Virtual size: 44KB

.rsrc
Size: 107KB - Virtual size: 107KB