combinerfree32[.]exe

Sharing

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General

Target

combinerfree32.exe
Size

2.8MB
MD5

9b042eff3b0588152789eaf936240a98
SHA1

b7dc00b65a62e942e395c472a1f9dc20fd521e7b
SHA256

ea7652fd71370f4f6c76816719b6902bb63e39c03a3ddce57b447f2503b815e2
SHA512

2dfc8ba920d69f93400ba40268d03b9c9669cc08364fe62b63a322177edac5dc824e2de66bed0695e8317c4a99bd61f80ebaa5ee8282eb6863ac121fb46d969a
SSDEEP

49152:KVzRWncCbbYqLU29/mDmZeoi3bzpk9MRm:U8zIqLd9/maxIzTk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
combinerfree32.exe

Files

combinerfree32.exe
.exe windows:4 windows x86 arch:x86

165b211bcde665e0a0741a4f97d4a1e0

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_AGGRESIVE_WS_TRIM

Imports

comctl32

ImageList_Destroy
InitCommonControlsEx

kernel32

GetOEMCP
GetPrivateProfileSectionW
GetPrivateProfileStringW
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetStdHandle
GetStringTypeA
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadLocale
GetTimeFormatA
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExA
GetVersionExW
GetVolumeInformationW
GlobalAddAtomW
GlobalAlloc
GlobalDeleteAtom
GlobalFindAtomW
GlobalFlags
GlobalFree
GlobalHandle
GlobalLock
GlobalReAlloc
GlobalUnlock
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InterlockedDecrement
InterlockedExchange
InterlockedIncrement
IsValidCodePage
IsValidLocale
LCMapStringA
LCMapStringW
LoadLibraryW
LoadResource
LocalAlloc
LocalFree
LocalLock
LocalReAlloc
LocalUnlock
LockFile
GetModuleHandleW
lstrcmpA
lstrcmpW
lstrlenA
lstrlenW
MulDiv
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadFile
ReleaseMutex
SetEndOfFile
SetEnvironmentVariableA
SetErrorMode
SetEvent
SetFilePointer
SetHandleCount
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SuspendThread
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnlockFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
WriteConsoleA
WriteConsoleW
WriteFile
WritePrivateProfileStringW
WriteProcessMemory
GetEnvironmentVariableA
GetCurrentProcess
GetVersion
RtlUnwind
GetModuleHandleA
GetModuleFileNameW
GetModuleFileNameA
GetLocaleInfoW
GetLocaleInfoA
GetLastError
GetFullPathNameW
GetFileType
GetFileTime
GetFileSize
GetFileAttributesW
GetExitCodeThread
GetEnvironmentStringsW
GetEnvironmentStrings
GetDateFormatA
GetCurrentThreadId
GetCurrentProcessId
GetCPInfo
GetConsoleOutputCP
GetConsoleMode
GetConsoleCP
GetCommandLineW
GetACP
FreeResource
FreeLibrary
FreeEnvironmentStringsW
FreeEnvironmentStringsA
FormatMessageW
FlushFileBuffers
FindResourceW
FindResourceExW
FindFirstFileW
FindClose
FileTimeToSystemTime
FileTimeToLocalFileTime
ExitThread
ExitProcess
EnumSystemLocalesA
EnumResourceLanguagesW
DuplicateHandle
DeleteFileW
DeleteCriticalSection
CreateThread
CreateMutexW
CreateFileW
CreateFileA
CreateEventW
CreateDirectoryW
ConvertDefaultLocale
CompareStringW
CompareStringA
CloseHandle
GetStartupInfoW
GetCommandLineA
InitializeCriticalSection
EnterCriticalSection
GetTickCount
LeaveCriticalSection
LoadLibraryA
GetSystemDefaultLCID
lstrcpyW
LockResource

user32

RegisterClassW
RegisterClipboardFormatW
RegisterWindowMessageW
ReleaseCapture
ReleaseDC
RemovePropW
ScreenToClient
ScrollWindow
SendDlgItemMessageA
SendDlgItemMessageW
SendMessageW
SetActiveWindow
SetCapture
SetCursor
SetFocus
SetForegroundWindow
SetMenuItemBitmaps
SetPropW
SetRect
SetRectEmpty
SetScrollInfo
SetTimer
SetWindowContextHelpId
SetWindowLongW
SetWindowPos
SetWindowRgn
SetWindowsHookExW
SetWindowTextW
ShowWindow
SystemParametersInfoA
TabbedTextOutW
TrackPopupMenu
TranslateMessage
UnhookWindowsHookEx
UnregisterClassA
UnregisterClassW
UpdateWindow
ValidateRect
WindowFromPoint
WinHelpW
VkKeyScanW
MessageBoxA
InflateRect
GrayStringW
GetWindowThreadProcessId
GetWindowTextW
GetWindowTextLengthW
GetWindowRgn
GetWindowRect
GetWindowPlacement
GetWindowLongW
GetWindowDC
GetTopWindow
GetSystemMetrics
PtInRect
GetSubMenu
GetScrollPos
GetScrollInfo
GetPropW
GetNextDlgTabItem
GetNextDlgGroupItem
GetMessageW
GetMessageTime
GetMessagePos
GetMenuState
GetMenuItemID
GetMenuItemCount
GetMenuCheckMarkDimensions
GetMenu
GetLastActivePopup
GetKeyState
GetForegroundWindow
GetFocus
GetDlgItem
GetDlgCtrlID
GetDesktopWindow
GetDC
GetCursorPos
GetClientRect
GetClassNameW
GetClassLongW
GetClassInfoW
GetClassInfoExW
GetCapture
GetActiveWindow
FindWindowW
FillRect
EqualRect
EndPaint
EndDialog
EnableWindow
EnableMenuItem
DrawTextW
DrawTextExW
AdjustWindowRectEx
BeginPaint
CallNextHookEx
CallWindowProcW
CharNextW
CharUpperW
CheckMenuItem
PostThreadMessageW
DrawIcon
DispatchMessageW
DestroyWindow
DestroyMenu
DefWindowProcW
CreateWindowExW
CreateDialogIndirectParamW
CopyRect
CopyAcceleratorTableW
ClientToScreen
PostQuitMessage
PostMessageW
PeekMessageW
OffsetRect
MoveWindow
ModifyMenuW
MessageBoxW
MessageBeep
MapWindowPoints
MapDialogRect
LoadMenuW
LoadImageW
LoadCursorW
LoadIconW
LoadCursorFromFileW
LoadBitmapW
KillTimer
IsWindowVisible
IsWindowEnabled
IsRectEmpty
IsIconic
IsDialogMessageW
IsChild
InvalidateRgn
InvalidateRect
GetSysColorBrush
IntersectRect
GetParent

gdi32

DPtoLP
Escape
ExtCreateRegion
ExtSelectClipRgn
ExtTextOutW
FrameRgn
GetBkColor
GetClipBox
GetDeviceCaps
GetMapMode
GetObjectW
GetRegionData
GetRgnBox
GetStockObject
GetTextColor
GetTextExtentPoint32W
GetViewportExtEx
GetWindowExtEx
LPtoDP
DeleteObject
OffsetViewportOrgEx
PtVisible
RectVisible
RestoreDC
SaveDC
ScaleViewportExtEx
ScaleWindowExtEx
SelectClipRgn
SelectObject
SetBkColor
SetBkMode
SetDIBColorTable
SetMapMode
SetStretchBltMode
SetTextColor
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
TextOutW
DeleteDC
CreateSolidBrush
CreateRectRgnIndirect
CreateFontIndirectW
CreateDIBSection
CreateCompatibleDC
CreateCompatibleBitmap
CreateBitmap
CombineRgn
OffsetRgn
BitBlt

winspool.drv

OpenPrinterW
DocumentPropertiesW
ClosePrinter
StartPagePrinter

comdlg32

GetFileTitleW
CommDlgExtendedError

advapi32

RegCreateKeyExW
RegDeleteKeyW
RegSetValueExW
RegQueryValueW
RegQueryValueExW
RegOpenKeyW
RegOpenKeyExW
RegEnumKeyW
RegCloseKey

shell32

CommandLineToArgvW
DragQueryFileW
DragFinish

ole32

CoTaskMemFree
CoTaskMemAlloc
CoRevokeClassObject
CreateILockBytesOnHGlobal
CoGetClassObject
CoFreeUnusedLibraries
CLSIDFromString
CLSIDFromProgID
OleFlushClipboard
OleIsCurrentClipboard
OleInitialize
OleUninitialize
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
StringFromIID
CoRegisterMessageFilter

oleaut32

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

shlwapi

PathIsDirectoryW
PathFindExtensionW
PathRemoveFileSpecW
PathStripToRootW
PathFileExistsW
PathAppendW
PathIsUNCW
PathFindFileNameW
PathIsUNCA
PathAddBackslashW

Sections

.text
Size: 756KB - Virtual size: 754KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rhead2
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

165b211bcde665e0a0741a4f97d4a1e0

Headers

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

winspool.drv

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

Sections

.text Size: 756KB - Virtual size: 754KB

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

.data Size: 16KB - Virtual size: 21KB

.rsrc Size: 40KB - Virtual size: 40KB

.rhead2 Size: 2.0MB - Virtual size: 2.0MB

.text
Size: 756KB - Virtual size: 754KB

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

.data
Size: 16KB - Virtual size: 21KB

.rsrc
Size: 40KB - Virtual size: 40KB

.rhead2
Size: 2.0MB - Virtual size: 2.0MB