Static task
static1
Behavioral task
behavioral1
Sample
2024-08-22_5c0cbad0d1c57f6948574d4ed39ac385_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-22_5c0cbad0d1c57f6948574d4ed39ac385_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-22_5c0cbad0d1c57f6948574d4ed39ac385_bkransomware
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Size
4.9MB
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MD5
5c0cbad0d1c57f6948574d4ed39ac385
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SHA1
b7a49a15698b291750cf9e8b661b7cd8be9bd85f
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SHA256
bf47fd0b52b5fd58222b090555acf2e1ddb50c19f08a39e6b10fcaff2c8f11cf
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SHA512
6429b873a1e32ca08dd201fada3b6865cfc964e8692969cef1de6159e8f5d837327252b06f51c8e72e22243f32b3e828b0e79869d53bf1d7a2ba291da4d362c2
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SSDEEP
49152:X2KhyheogbF2WhNrTND/R5GNMQm4xq/WnNlIE+Zu8MPOP:X2Myheo42WrTNLR5GBq/WNlIE+Zu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-22_5c0cbad0d1c57f6948574d4ed39ac385_bkransomware
Files
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2024-08-22_5c0cbad0d1c57f6948574d4ed39ac385_bkransomware.exe windows:5 windows x86 arch:x86
de78641bb498acdbc1bd91c6acb1dbcb
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
Imports
kernel32
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
ReadConsoleW
UnhandledExceptionFilter
OutputDebugStringW
LCMapStringW
WriteConsoleW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStartupInfoW
GetStdHandle
GetFileType
SetStdHandle
GetSystemTimeAsFileTime
VirtualQuery
VirtualAlloc
GetSystemInfo
GetModuleHandleExW
ExitProcess
HeapReAlloc
ExitThread
CreateThread
HeapQueryInformation
RtlUnwind
IsValidCodePage
IsDebuggerPresent
GetCommandLineW
FindResourceExW
VirtualProtect
SearchPathW
GetProfileIntW
GetTickCount
Sleep
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
GetWindowsDirectoryW
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
GetVersionExW
GlobalFindAtomW
GlobalDeleteAtom
GetUserDefaultUILanguage
CompareStringW
GetSystemDirectoryW
EncodePointer
LoadLibraryA
TerminateProcess
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
lstrcmpiW
LoadLibraryExW
GetCurrentProcess
DuplicateHandle
UnlockFile
SetEndOfFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
GlobalAddAtomW
ResumeThread
SetThreadPriority
GetCurrentThreadId
WaitForSingleObject
lstrcmpW
GlobalFlags
FreeLibrary
GetCurrentProcessId
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FileTimeToSystemTime
GlobalGetAtomNameW
lstrcmpA
LoadLibraryW
GetModuleHandleA
GetModuleFileNameW
OutputDebugStringA
CopyFileW
FormatMessageW
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
SetLastError
LocalFileTimeToFileTime
GetCurrentDirectoryW
CreateFileW
ReadFile
GetFileAttributesW
WriteFile
SystemTimeToFileTime
SetFilePointer
FreeResource
lstrcpyW
GetTempPathA
CloseHandle
DeleteCriticalSection
lstrcatW
GetModuleFileNameA
DecodePointer
LockResource
GetTempFileNameA
HeapSize
GetProcAddress
GetLastError
RaiseException
GetTempPathW
lstrlenW
MultiByteToWideChar
MulDiv
SizeofResource
InitializeCriticalSectionAndSpinCount
WideCharToMultiByte
OpenProcess
GetProcessHeap
GetModuleHandleW
HeapFree
HeapAlloc
LoadResource
FindResourceW
SetFilePointerEx
user32
DestroyCursor
GetWindowRgn
DrawIcon
SetRect
SetCursorPos
CopyAcceleratorTableW
DestroyAcceleratorTable
CreateAcceleratorTableW
GetKeyboardState
ToUnicodeEx
MapVirtualKeyExW
IsCharLowerW
GetKeyboardLayout
WaitMessage
PostThreadMessageW
GetSystemMenu
IsZoomed
GetComboBoxInfo
GetKeyNameTextW
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
TranslateAcceleratorW
LoadAcceleratorsW
BringWindowToTop
MonitorFromPoint
UpdateLayeredWindow
IsMenu
UnionRect
SetWindowRgn
DrawFrameControl
DrawEdge
DrawStateW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
LoadMenuW
MapVirtualKeyW
GetMenuDefaultItem
CreatePopupMenu
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
MessageBeep
GetIconInfo
DrawIconEx
LoadImageW
IsRectEmpty
SetRectEmpty
DrawFocusRect
WindowFromPoint
ReleaseCapture
SetCapture
GetNextDlgGroupItem
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
DeleteMenu
ShowOwnedPopups
SendDlgItemMessageA
SystemParametersInfoW
GetMenuItemInfoW
DestroyMenu
IntersectRect
InflateRect
IsIconic
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetMonitorInfoW
MonitorFromWindow
WinHelpW
SetScrollInfo
GetTopWindow
GetClassLongW
EqualRect
CopyRect
MapWindowPoints
AdjustWindowRectEx
GetClientRect
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
ScrollWindow
RedrawWindow
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
UpdateWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
DestroyWindow
IsChild
GetClassInfoExW
GetClassInfoW
PostMessageW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
ScreenToClient
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
CharUpperW
DestroyIcon
CallNextHookEx
SetWindowsHookExW
GetCursorPos
ValidateRect
GetActiveWindow
IsWindowVisible
PeekMessageW
RealChildWindowFromPoint
GetClassNameW
GetDesktopWindow
PtInRect
ClientToScreen
GetFocus
CheckDlgButton
SetWindowPos
MoveWindow
IsWindow
GetWindow
GetScrollPos
SetScrollPos
GetSysColor
GetLastActivePopup
MessageBoxW
IsWindowEnabled
EnableWindow
GetWindowTextLengthW
UnhookWindowsHookEx
RemoveMenu
AppendMenuW
InsertMenuW
GetMenuItemCount
GetMenuItemID
MapDialogRect
CreateMenu
SubtractRect
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
FrameRect
CharUpperBuffW
RegisterClipboardFormatW
ModifyMenuW
SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongW
LockWindowUpdate
GetScrollInfo
SetParent
GetSubMenu
GetMenuState
GetMenuStringW
EndPaint
SetCursor
SetTimer
GetWindowRect
GetMessageW
PostQuitMessage
GetWindowDC
FillRect
KillTimer
GetKeyState
GetParent
TrackMouseEvent
LoadCursorW
SetFocus
BeginPaint
GetDC
TranslateMessage
IsDialogMessageW
LoadIconW
OffsetRect
InvalidateRect
GetWindowLongW
GetWindowTextW
ReleaseDC
GetDlgItem
SetWindowLongW
SetLayeredWindowAttributes
ShowWindow
GetSysColorBrush
FindWindowExW
CreateWindowExW
RegisterClassW
GetSystemMetrics
SendMessageW
GetDlgCtrlID
SetWindowTextW
CallWindowProcW
DefWindowProcW
GetWindowThreadProcessId
DispatchMessageW
CopyImage
gdi32
GetObjectW
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CombineRgn
CreateFontIndirectW
CreateRectRgnIndirect
PatBlt
SetRectRgn
DPtoLP
GetTextExtentPoint32W
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
GetBkColor
CreateCompatibleBitmap
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
GetTextColor
SetROP2
Polygon
Polyline
Rectangle
EnumFontFamiliesExW
GetRgnBox
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceW
SetPolyFillMode
GetLayout
SetLayout
SetMapMode
SetTextAlign
SetTextColor
CreatePolygonRgn
GetStockObject
SetBkColor
SelectPalette
ExtSelectClipRgn
SelectClipRgn
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetWindowExtEx
GetViewportExtEx
GetPixel
GetObjectType
GetClipBox
Escape
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateBitmap
CreateDCW
CopyMetaFileW
EnumFontFamiliesW
BitBlt
GetTextMetricsW
DeleteDC
GetDeviceCaps
ExcludeClipRect
SetBkMode
DeleteObject
SelectObject
CreateCompatibleDC
CreateFontW
CreateDIBitmap
msimg32
AlphaBlend
TransparentBlt
winspool.drv
OpenPrinterW
ClosePrinter
DocumentPropertiesW
advapi32
RegQueryValueExW
RegSetValueExW
RegEnumKeyExW
RegDeleteValueW
RegOpenKeyExW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
shell32
SHBrowseForFolderW
SHGetFileInfoW
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHGetDesktopFolder
DragQueryFileW
SHAppBarMessage
ShellExecuteW
DragFinish
shlwapi
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathFindExtensionW
PathRemoveFileSpecW
UrlEscapeW
StrFormatKBSizeW
uxtheme
GetCurrentThemeName
DrawThemeText
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
IsAppThemed
IsThemeBackgroundPartiallyTransparent
GetThemeSysColor
GetWindowTheme
GetThemePartSize
ole32
CreateStreamOnHGlobal
CoInitializeEx
CoInitialize
CoUninitialize
CoDisconnectObject
CoCreateInstance
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
IsAccelerator
OleTranslateAccelerator
DoDragDrop
OleLockRunning
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
oleaut32
SysFreeString
SysAllocString
VariantInit
LoadTypeLi
VarBstrFromDate
VariantChangeType
VariantCopy
VariantClear
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
SysAllocStringLen
ws2_32
send
closesocket
socket
WSACleanup
htons
WSAStartup
connect
gethostbyname
oleacc
CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject
gdiplus
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipCreateBitmapFromScan0
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipBitmapLockBits
GdipBitmapUnlockBits
GdipDeleteGraphics
GdipDrawImageI
GdipCreateBitmapFromHBITMAP
GdipCreateFromHDC
GdipSetInterpolationMode
GdipGetImageHeight
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: 313KB - Virtual size: 312KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ