BL-DOCS[.]exe | Triage™

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General

Target
BL-DOCS.exe
Size 1.4MB
Sample231111-jcykbsde39
SHA256 9dbe21429d77afca07940928b39d0e7c9d994ea9d10a651ccd5189d4522be1cf
MD5 e06bad3a1add436525a06fa827322e11
SHA1 6f26bbf7fd78e1898ec52256c517aae89daf047e
SHA512 ef76a3a27f9ca5960504ab0a834dbdfc05d405df33899b18b2bbe4f51fc82e2c726fefb7bc18d9442a553f7361cef3dd7928464a43488f5e5ae1f51ad26ccf0f
SSDEEP 24576:a1gIhzVfFATn5p6hEj9mdvc/R/hntYbVwypYhSJt4ouciFaa/A:a1hVCOdcTntYZwyueGoQ4
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BL-DOCS.exe

File Explorer

BL-DOCS.exe

.exe 1.4MB

BL-DOCS.exe

IMPHASH 60f6ac6f53d8290345a6172546c7a045
SHA256 9dbe21429d77afca07940928b39d0e7c9d994ea9d10a651ccd5189d4522be1cf
MD5 e06bad3a1add436525a06fa827322e11
SHA1 6f26bbf7fd78e1898ec52256c517aae89daf047e
SHA512 ef76a3a27f9ca5960504ab0a834dbdfc05d405df33899b18b2bbe4f51fc82e2c726fefb7bc18d9442a553f7361cef3dd7928464a43488f5e5ae1f51ad26ccf0f
SSDEEP 24576:a1gIhzVfFATn5p6hEj9mdvc/R/hntYbVwypYhSJt4ouciFaa/A:a1hVCOdcTntYZwyueGoQ4
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

362340

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

RegQueryValueExA RegOpenKeyExA RegCloseKey RegQueryValueExA RegOpenKeyExA RegFlushKey RegCloseKey

user32

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

kernel32

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

gdi32

UnrealizeObject StretchBlt SetWindowOrgEx SetViewportOrgEx SetTextColor SetStretchBltMode SetROP2 SetPixel SetDIBColorTable SetBrushOrgEx SetBkMode SetBkColor SelectPalette SelectObject SaveDC RestoreDC RectVisible RealizePalette PatBlt MoveToEx MaskBlt LineTo IntersectClipRect GetWindowOrgEx GetTextMetricsA GetTextExtentPoint32A GetSystemPaletteEntries GetStockObject GetRgnBox GetPixel GetPaletteEntries GetObjectA GetDeviceCaps GetDIBits GetDIBColorTable GetDCOrgEx GetCurrentPositionEx GetClipBox GetBrushOrgEx GetBitmapBits ExcludeClipRect DeleteObject DeleteDC CreateSolidBrush CreatePenIndirect CreatePalette CreateHalftonePalette CreateFontIndirectA CreateDIBitmap CreateDIBSection CreateCompatibleDC CreateCompatibleBitmap CreateBrushIndirect CreateBitmap BitBlt

version

VerQueryValueA GetFileVersionInfoSizeA GetFileVersionInfoA

comctl32

_TrackMouseEvent ImageList_SetIconSize ImageList_GetIconSize ImageList_Write ImageList_Read 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

ntdll

NtAllocateVirtualMemory ZwProtectVirtualMemory

url

AutodialHookCallback

Name

.text

Size

346KB

Virtual Size

346KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.itext

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

996KB

Virtual Size

995KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

13KB

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

Virtual Size

52B

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

24KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

79KB

Virtual Size

79KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

BL-DOCS.exe

oleaut32

advapi32

user32

kernel32

gdi32

version

comctl32

ntdll

url

generic