2024-07-24_f55b69c79a3b23035b881d936525ca43_bkransomware

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General

Target

2024-07-24_f55b69c79a3b23035b881d936525ca43_bkransomware
Size

2.3MB
MD5

f55b69c79a3b23035b881d936525ca43
SHA1

5a786539a2ef6c4d9dc9f56f038738c5685179f8
SHA256

87cf6fbb4c6e25b04fb5dc1d836cf8b2889182b3424128decc0b868fd2ca65b0
SHA512

3c4560ef8f063e99d933daa8041274332f67ea11b013270ddf2c592ebe5bc21b848c6c8341d5179f36cc4241eed1d6ef9fd5d00cf1926b56d8dc9ef0d3e521c3
SSDEEP

49152:of3ZoG3UCj5qzWt2skmzb2R3NBHCYcMKCqy+Xyqmp6IPFBURPcyJpaNIK:wZP3UCj50WtQwb2R3N9cMKCqy+XrPz+X

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-07-24_f55b69c79a3b23035b881d936525ca43_bkransomware

Files

2024-07-24_f55b69c79a3b23035b881d936525ca43_bkransomware
.exe windows:5 windows x86 arch:x86

9452968e7a24777eeac3f2dc1cc1a548

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

OpenPrinterW
DocumentPropertiesW
ClosePrinter

advapi32

RegEnumValueW
SetFileSecurityW
GetFileSecurityW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegSetValueW
RegCloseKey
RegEnumKeyExW

shell32

SHBrowseForFolderW
DragFinish
SHGetFileInfoW
ExtractIconW
ShellExecuteW
SHGetPathFromIDListW
SHAppBarMessage
DragQueryFileW
SHGetDesktopFolder
SHGetSpecialFolderLocation

shlwapi

PathFindFileNameW
PathRemoveFileSpecW
PathIsUNCW
PathStripToRootW
PathFindExtensionW
StrFormatKBSizeW

uxtheme

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

ole32

OleLockRunning
DoDragDrop
CreateStreamOnHGlobal
CoInitializeEx
CoDisconnectObject
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
CoTaskMemFree
CoTaskMemAlloc
StringFromCLSID
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
OleDuplicateData
CoInitialize

oleaut32

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

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

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

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundW

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 320KB - Virtual size: 319KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 684KB - Virtual size: 688KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

9452968e7a24777eeac3f2dc1cc1a548

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 320KB - Virtual size: 319KB

.data Size: 24KB - Virtual size: 54KB

.rsrc Size: 40KB - Virtual size: 39KB

.reloc Size: 684KB - Virtual size: 688KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 320KB - Virtual size: 319KB

.data
Size: 24KB - Virtual size: 54KB

.rsrc
Size: 40KB - Virtual size: 39KB

.reloc
Size: 684KB - Virtual size: 688KB