HardDiskSerialNumberChanger[.]exe

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General

Target
HardDiskSerialNumberChanger.exe
Size 636KB
Sample240612-wzrfraydpr
SHA256 2c141c06f7df57f11ef2c62f2a96093484a65df47065b1a475c53784af0e2664
MD5 c20e96d4e616ce333c19a1c15a1cc137
SHA1 f79645ec115130ee59958c55a556f564260b7a9e
SHA512 519fec9955c4a18e45ec68d9e7dc2bcda74721a6ea088e59e634e26b136bfa15f5efedf8839c036a3cfdcdb9780a2121dc2d71f1fdbbfd3df02d9969e5db753b
SSDEEP 12288:EN1TNRzUSWgDxPWnP0Lamg+hyMU1EUFT99qpDDcZDDR5Id1888888888888W888H:whNRASWgDxPWnP0LamWYC8EOd
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
HardDiskSerialNumberChanger.exe

File Explorer

HardDiskSerialNumberChanger.exe

.exe 636KB

HardDiskSerialNumberChanger.exe

IMPHASH 6b71a51c953ff20af290e7286a7dad23
SHA256 2c141c06f7df57f11ef2c62f2a96093484a65df47065b1a475c53784af0e2664
MD5 c20e96d4e616ce333c19a1c15a1cc137
SHA1 f79645ec115130ee59958c55a556f564260b7a9e
SHA512 519fec9955c4a18e45ec68d9e7dc2bcda74721a6ea088e59e634e26b136bfa15f5efedf8839c036a3cfdcdb9780a2121dc2d71f1fdbbfd3df02d9969e5db753b
SSDEEP 12288:EN1TNRzUSWgDxPWnP0Lamg+hyMU1EUFT99qpDDcZDDR5Id1888888888888W888H:whNRASWgDxPWnP0LamWYC8EOd
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

485340

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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

PDB paths

oleaut32

SysFreeString SysReAllocStringLen SysAllocStringLen SafeArrayPtrOfIndex SafeArrayGetUBound SafeArrayGetLBound SafeArrayCreate VariantChangeType VariantCopy VariantClear VariantInit

advapi32

RegQueryValueExW RegOpenKeyExW RegCloseKey RegQueryValueExW RegOpenKeyExW RegFlushKey RegCloseKey

user32

GetKeyboardType LoadStringW MessageBoxA CharNextW CreateWindowExW WindowFromPoint WaitMessage UpdateWindow UnregisterClassW UnhookWindowsHookEx TranslateMessage TranslateMDISysAccel TrackPopupMenu SystemParametersInfoW ShowWindow ShowScrollBar ShowOwnedPopups SetWindowsHookExW SetWindowTextW SetWindowPos SetWindowPlacement SetWindowLongW SetTimer SetScrollRange SetScrollPos SetScrollInfo SetRect SetPropW SetParent SetMenuItemInfoW SetMenu SetForegroundWindow SetFocus SetCursor SetClipboardData SetClassLongW SetCapture SetActiveWindow SendMessageA SendMessageW ScrollWindow ScreenToClient RemovePropW RemoveMenu ReleaseDC ReleaseCapture RegisterWindowMessageW RegisterClipboardFormatW RegisterClassW RedrawWindow PostQuitMessage PostMessageW PeekMessageA PeekMessageW OpenClipboard OffsetRect MsgWaitForMultipleObjectsEx MsgWaitForMultipleObjects MessageBoxW MessageBeep MapWindowPoints MapVirtualKeyW LoadStringW LoadKeyboardLayoutW LoadIconW LoadCursorW LoadBitmapW KillTimer IsZoomed IsWindowVisible IsWindowUnicode IsWindowEnabled IsWindow IsIconic IsDialogMessageA IsDialogMessageW IsChild InvalidateRect IntersectRect InsertMenuItemW InsertMenuW InflateRect GetWindowThreadProcessId GetWindowTextW GetWindowRect GetWindowPlacement GetWindowLongW GetWindowDC GetTopWindow GetSystemMetrics GetSystemMenu GetSysColorBrush GetSysColor GetSubMenu GetScrollRange GetScrollPos GetScrollInfo GetPropW GetParent GetWindow GetMessagePos GetMenuStringW GetMenuState GetMenuItemInfoW GetMenuItemID GetMenuItemCount GetMenu GetLastActivePopup GetKeyboardState GetKeyboardLayoutNameW GetKeyboardLayoutList GetKeyboardLayout GetKeyState GetKeyNameTextW GetIconInfo GetForegroundWindow GetFocus GetDesktopWindow GetDCEx GetDC GetCursorPos GetCursor GetClipboardData GetClientRect GetClassLongW GetClassInfoW GetCapture GetActiveWindow FrameRect FindWindowExW FindWindowW FillRect EnumWindows EnumThreadWindows EnumChildWindows EndPaint EnableWindow EnableScrollBar EnableMenuItem EmptyClipboard DrawTextExW DrawTextW DrawMenuBar DrawIconEx DrawIcon DrawFrameControl DrawFocusRect DrawEdge DispatchMessageA DispatchMessageW DestroyWindow DestroyMenu DestroyIcon DestroyCursor DeleteMenu DefWindowProcW DefMDIChildProcW DefFrameProcW CreatePopupMenu CreateMenu CreateIcon CloseClipboard ClientToScreen CheckMenuItem CharUpperBuffW CharToOemW CharNextW CharLowerBuffW CharLowerW CallWindowProcW CallNextHookEx BeginPaint AdjustWindowRectEx ActivateKeyboardLayout

kernel32

GetACP Sleep VirtualFree VirtualAlloc GetSystemInfo GetVersion GetCurrentThreadId VirtualQuery WideCharToMultiByte MultiByteToWideChar lstrlenW lstrcpynW LoadLibraryExW GetThreadLocale GetStartupInfoA GetProcAddress GetModuleHandleW GetModuleFileNameW GetLocaleInfoW GetCommandLineW FreeLibrary FindFirstFileW FindClose ExitProcess ExitThread CreateThread CompareStringW WriteFile UnhandledExceptionFilter RtlUnwind RaiseException GetStdHandle CloseHandle TlsSetValue TlsGetValue LocalAlloc GetModuleHandleW lstrcpyW WriteFile WideCharToMultiByte WaitForSingleObject WaitForMultipleObjectsEx VirtualQueryEx VirtualQuery VirtualAlloc SwitchToThread SizeofResource SignalObjectAndWait SetThreadLocale SetLastError SetFilePointer SetEvent SetErrorMode SetEndOfFile ResumeThread ResetEvent ReadFile MultiByteToWideChar MulDiv LockResource LoadResource LoadLibraryW LeaveCriticalSection InitializeCriticalSection GlobalUnlock GlobalLock GlobalFree GlobalFindAtomW GlobalDeleteAtom GlobalAlloc GlobalAddAtomW GetVolumeInformationW GetVersionExA GetVersionExW GetVersion GetTickCount GetThreadLocale GetStdHandle GetProcAddress GetModuleHandleW GetModuleFileNameW GetLocaleInfoW GetLocalTime GetLastError GetFullPathNameW GetExitCodeThread GetDriveTypeW GetDiskFreeSpaceW GetDateFormatW GetCurrentThreadId GetCurrentThread GetCurrentProcessId GetCurrentProcess GetCPInfo FreeResource InterlockedIncrement InterlockedExchangeAdd InterlockedExchange InterlockedDecrement InterlockedCompareExchange FreeLibrary FormatMessageW FindResourceW EnumCalendarInfoA EnterCriticalSection DeviceIoControl DeleteCriticalSection CreateThread CreateFileW CreateEventW CompareStringW CloseHandle Sleep

msimg32

AlphaBlend

gdi32

UnrealizeObject StretchBlt SetWindowOrgEx SetWinMetaFileBits SetViewportOrgEx SetTextColor SetStretchBltMode SetROP2 SetPixel SetEnhMetaFileBits SetDIBColorTable SetBrushOrgEx SetBkMode SetBkColor SelectPalette SelectObject SelectClipRgn SaveDC RestoreDC Rectangle RectVisible RealizePalette Polyline PlayEnhMetaFile PatBlt MoveToEx MaskBlt LineTo IntersectClipRect GetWindowOrgEx GetWinMetaFileBits GetTextMetricsW GetTextExtentPointW GetTextExtentPoint32W GetSystemPaletteEntries GetStockObject GetRgnBox GetPixel GetPaletteEntries GetObjectW GetEnhMetaFilePaletteEntries GetEnhMetaFileHeader GetEnhMetaFileBits GetDeviceCaps GetDIBits GetDIBColorTable GetDCOrgEx GetCurrentPositionEx GetClipBox GetBrushOrgEx GetBitmapBits FrameRgn ExtTextOutW ExcludeClipRect DeleteObject DeleteEnhMetaFile DeleteDC CreateSolidBrush CreateRectRgn CreatePenIndirect CreatePalette CreateHalftonePalette CreateFontIndirectW CreateDIBitmap CreateDIBSection CreateCompatibleDC CreateCompatibleBitmap CreateBrushIndirect CreateBitmap CopyEnhMetaFileW BitBlt

version

VerQueryValueW GetFileVersionInfoSizeW GetFileVersionInfoW

ole32

OleUninitialize OleInitialize CoTaskMemFree CoTaskMemAlloc

comctl32

InitializeFlatSB FlatSB_SetScrollProp FlatSB_SetScrollPos FlatSB_SetScrollInfo FlatSB_GetScrollPos FlatSB_GetScrollInfo _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_SetImageCount ImageList_GetImageCount ImageList_Destroy ImageList_Create

shell32

ShellExecuteW

Name

.text

Size

467KB

Virtual Size

467KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.itext

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

20KB

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

11KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

Virtual Size

60B

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

512B

Virtual Size

24B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

33KB

Virtual Size

33KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

112KB

Virtual Size

112KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

HardDiskSerialNumberChanger.exe

oleaut32

advapi32

user32

kernel32

msimg32

gdi32

version

ole32

comctl32

shell32

generic