2024-12-21_b636e73643ebae232f5e13e5ac0fcfd5_bkransomware_floxif

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General

Target

2024-12-21_b636e73643ebae232f5e13e5ac0fcfd5_bkransomware_floxif
Size

2.1MB
MD5

b636e73643ebae232f5e13e5ac0fcfd5
SHA1

02d28009b3dbb0455ba08ce02c6f77bc7206b84a
SHA256

89ab86eaec380069331f01ac9f08dbc91da45885e88a6b43d5b607470e0095d2
SHA512

64c14bd4bca89b029a32177d6f93b5c333c0c7782b8fa4fcf716ca451239a22f0e5bfeaf4e85387df32aa933252b23368add0280c94b42918b581deff10fe9f6
SSDEEP

49152:o2K/LZO2tGJln45YUgtlS3TiiPs46ypqhLivB9k91b:sLZO2tKlSYUgtlS3/7psLivBy9N

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-12-21_b636e73643ebae232f5e13e5ac0fcfd5_bkransomware_floxif

Files

2024-12-21_b636e73643ebae232f5e13e5ac0fcfd5_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

363eb3dccddd486c1405cac22cb0601e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

D:\1.代码参考\AutoDec\Release\AutoDec.pdb

Imports

kernel32

IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetTimeZoneInformation
GetStringTypeW
GetConsoleCP
GetConsoleMode
ReadConsoleW
GetEnvironmentStringsW
LCMapStringW
GetDriveTypeW
WriteConsoleW
SetEnvironmentVariableA
QueryPerformanceCounter
GetStartupInfoW
GetStdHandle
GetFileType
SetStdHandle
GetSystemTimeAsFileTime
VirtualQuery
VirtualAlloc
GetSystemInfo
HeapQueryInformation
ExitThread
CreateThread
MultiByteToWideChar
GetModuleHandleExW
ExitProcess
RtlUnwind
IsProcessorFeaturePresent
IsDebuggerPresent
GetCommandLineW
VirtualProtect
SearchPathW
GetProfileIntW
Sleep
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
GetTickCount
GetFileTime
GetFileSizeEx
GetFileAttributesExW
SetErrorMode
DuplicateHandle
UnlockFile
SetEndOfFile
LockFile
GetVolumeInformationW
FlushFileBuffers
GetCurrentDirectoryW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
GetThreadLocale
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GlobalGetAtomNameW
GlobalFlags
SetThreadPriority
FileTimeToSystemTime
FindNextFileW
FindFirstFileW
FindClose
FileTimeToLocalFileTime
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
GetVersionExW
GetCurrentThread
GlobalFindAtomW
GlobalAddAtomW
LoadLibraryA
lstrcmpW
GlobalDeleteAtom
GetSystemDirectoryW
GetCurrentThreadId
LeaveCriticalSection
EnterCriticalSection
EncodePointer
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalSize
GlobalAlloc
LoadLibraryW
GlobalFree
GlobalUnlock
GlobalLock
GetModuleHandleA
FreeResource
SetLastError
OutputDebugStringA
lstrcmpiW
OutputDebugStringW
lstrlenA
GetBinaryTypeW
GetTempPathW
TerminateProcess
ResumeThread
VirtualFreeEx
GetExitCodeThread
WaitForSingleObject
CreateRemoteThread
GetProcAddress
WriteProcessMemory
VirtualAllocEx
OpenProcess
CreateProcessW
lstrcatW
GetCurrentProcess
FreeLibrary
ReadFile
SetFilePointer
GetFileSize
FindResourceExW
LoadLibraryExW
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
HeapDestroy
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
WideCharToMultiByte
CloseHandle
DeleteFileW
WriteFile
CreateFileW
GetFullPathNameW
GetModuleFileNameW
GetModuleHandleW
GetWindowsDirectoryW
GetFileAttributesW
lstrlenW
lstrcpyW
FindResourceW
LoadResource
LockResource
SizeofResource
SetFilePointerEx

user32

LockWindowUpdate
MapVirtualKeyExW
IsCharLowerW
GetKeyboardLayout
IsZoomed
GetComboBoxInfo
TrackMouseEvent
MonitorFromPoint
UpdateLayeredWindow
IsMenu
SetWindowRgn
DrawFrameControl
DrawEdge
DrawStateW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
PostThreadMessageW
SetParent
UnionRect
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
GetIconInfo
DrawIconEx
DrawFocusRect
RegisterClipboardFormatW
ReuseDDElParam
UnpackDDElParam
LoadImageW
SetRectEmpty
InsertMenuItemW
TranslateAcceleratorW
LoadAcceleratorsW
BringWindowToTop
GetMenuDefaultItem
CreatePopupMenu
CharUpperW
DestroyIcon
LoadMenuW
MessageBeep
GetNextDlgGroupItem
IsRectEmpty
IntersectRect
SetRect
InvalidateRgn
CopyAcceleratorTableW
OffsetRect
CharNextW
InvalidateRect
KillTimer
SetTimer
DeleteMenu
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
CopyImage
LoadCursorW
GetSysColorBrush
FillRect
ClientToScreen
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
SystemParametersInfoW
InflateRect
GetMenuItemInfoW
DestroyMenu
SendDlgItemMessageA
GetWindowRgn
ShowOwnedPopups
GetCursorPos
TranslateMessage
GetMessageW
ReleaseDC
GetDC
MapVirtualKeyW
GetKeyNameTextW
GetWindowThreadProcessId
MapDialogRect
SetWindowContextHelpId
PostQuitMessage
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
PtInRect
EqualRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
MessageBoxW
AdjustWindowRectEx
GetWindowRect
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
GetKeyState
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
PostMessageW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
IsDialogMessageW
GetWindow
SetWindowLongW
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
DestroyCursor
CreateMenu
SubtractRect
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
FrameRect
CharUpperBuffW
ModifyMenuW
GetFocus
SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongW
SetCursorPos
DestroyAcceleratorTable
CreateAcceleratorTableW
GetKeyboardState
SetCursor
ToUnicodeEx
SetFocus
GetDlgCtrlID
CheckDlgButton
SetWindowPos
MoveWindow
ShowWindow
RemoveMenu
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringW
GetParent
GetDesktopWindow
GetWindowLongW
SetActiveWindow
IsWindowEnabled
GetActiveWindow
GetNextDlgTabItem
GetDlgItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
IsWindow
CharLowerW
UnregisterClassW
wsprintfW
SetDlgItemTextA
SetDlgItemTextW
DrawIcon
GetClientRect
GetSystemMetrics
IsIconic
SendMessageW
AppendMenuW
GetSystemMenu
LoadIconW
EnableWindow
RealChildWindowFromPoint

gdi32

SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetTextMetricsW
GetBkColor
GetTextColor
GetRgnBox
CombineRgn
GetMapMode
SetRectRgn
DPtoLP
CreateCompatibleBitmap
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
TextOutW
Polygon
Polyline
Rectangle
EnumFontFamiliesExW
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceW
SetLayout
SetMapMode
MoveToEx
GetLayout
SetTextAlign
SetROP2
CreatePolygonRgn
CopyMetaFileW
SetBkMode
SelectPalette
SelectObject
ExtSelectClipRgn
SelectClipRgn
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetWindowExtEx
GetViewportExtEx
GetStockObject
GetPixel
GetObjectType
GetClipBox
ExcludeClipRect
Escape
DeleteObject
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
ExtTextOutW
GetTextExtentPoint32W
CreateFontIndirectW
CreateCompatibleDC
BitBlt
PatBlt
CreateRectRgnIndirect
CreateBitmap
GetObjectW
SetTextColor
SetBkColor
GetDeviceCaps
CreateDCW
SetPolyFillMode

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

AdjustTokenPrivileges
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegOpenKeyExW
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegDeleteKeyW
RegDeleteValueW
RegSetValueExW
RegCreateKeyExW
RegQueryValueExW

shell32

SHBrowseForFolderW
SHGetFileInfoW
SHCreateDirectoryExW
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHGetDesktopFolder
DragFinish
SHAppBarMessage
DragQueryFileW
ShellExecuteW

comctl32

InitCommonControlsEx

shlwapi

SHDeleteKeyW
PathFileExistsW
PathRemoveFileSpecW
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW

uxtheme

DrawThemeParentBackground
GetWindowTheme
GetThemeSysColor
IsAppThemed
DrawThemeText
DrawThemeBackground
IsThemeBackgroundPartiallyTransparent
GetThemePartSize
GetCurrentThemeName
OpenThemeData
CloseThemeData
GetThemeColor

ole32

CoInitializeEx
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CoInitialize
CoCreateInstance
CLSIDFromProgID
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
CoRevokeClassObject
OleLockRunning
DoDragDrop
CreateStreamOnHGlobal
CoRegisterMessageFilter
OleIsCurrentClipboard
CLSIDFromString
OleFlushClipboard

oleaut32

SysFreeString
OleCreateFontIndirect
LoadTypeLi
VarBstrFromDate
VariantCopy
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
SysAllocString
VariantChangeType
VariantClear
VariantInit
SysAllocStringLen

oledlg

OleUIBusyW

dbghelp

MakeSureDirectoryPathExists

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipSetInterpolationMode
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipGetImagePaletteSize
GdipDrawImageRectI

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundW

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 514KB - Virtual size: 514KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 127KB - Virtual size: 127KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 512B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

363eb3dccddd486c1405cac22cb0601e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

dbghelp

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 514KB - Virtual size: 514KB

.data Size: 26KB - Virtual size: 56KB

.rsrc Size: 42KB - Virtual size: 41KB

.reloc Size: 127KB - Virtual size: 127KB

.data Size: 512B - Virtual size: 512B

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 514KB - Virtual size: 514KB

.data
Size: 26KB - Virtual size: 56KB

.rsrc
Size: 42KB - Virtual size: 41KB

.reloc
Size: 127KB - Virtual size: 127KB

.data
Size: 512B - Virtual size: 512B