Static task
static1
Behavioral task
behavioral1
Sample
2024-06-25_a09ffb2f681b268855dc9c7ab4661cf8_bkransomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-25_a09ffb2f681b268855dc9c7ab4661cf8_bkransomware.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-25_a09ffb2f681b268855dc9c7ab4661cf8_bkransomware
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Size
1.8MB
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MD5
a09ffb2f681b268855dc9c7ab4661cf8
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SHA1
f8c386b0a4609d0be3582be722cdeb709fda0d60
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SHA256
9e2da0fe39ada94ffbe544ea66f60ecc6d24641efb4357167f18fca7ba8bb6b8
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SHA512
257b7c72ddbb008e23763ea16fc7fa0461f132539ceed53226ee02dcb41ce52156f5c182eebc74c47fee5032feb1a8ab9c1449fb632f25fa18cdcc894b4cdfa3
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SSDEEP
49152:Dq0Bv9JbbBfeQxeVxFPRMuUpdXSqamy5uLleBKKg:m0Bv9JbhenVxFPRMvXpamy5uLb
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-25_a09ffb2f681b268855dc9c7ab4661cf8_bkransomware
Files
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2024-06-25_a09ffb2f681b268855dc9c7ab4661cf8_bkransomware.exe windows:6 windows x86 arch:x86
19bb084720b763729aa29b857faf1705
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
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
GetFileType
GetConsoleMode
ReadConsoleW
SetFilePointerEx
OutputDebugStringW
LCMapStringW
WriteConsoleW
SetEnvironmentVariableA
SetStdHandle
GetSystemTimeAsFileTime
VirtualQuery
VirtualAlloc
GetSystemInfo
HeapQueryInformation
ExitThread
IsProcessorFeaturePresent
IsDebuggerPresent
GetModuleHandleExW
ExitProcess
DecodePointer
RtlUnwind
GetCommandLineW
GetEnvironmentStringsW
VirtualProtect
SearchPathW
GetProfileIntW
GetTempPathW
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
GetTickCount
GetFileTime
GetFileSizeEx
GetFileAttributesExW
GetFileAttributesW
FileTimeToLocalFileTime
SetErrorMode
lstrcpyW
GetWindowsDirectoryW
FileTimeToSystemTime
GetThreadLocale
lstrcmpiW
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
QueryPerformanceCounter
GetStartupInfoW
FindResourceExW
GetStdHandle
CreateFileW
DeleteFileW
GetCurrentDirectoryW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GlobalGetAtomNameW
InitializeCriticalSection
GlobalFlags
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalSize
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
lstrcmpA
GlobalAlloc
GetVersionExW
SetThreadPriority
GlobalFindAtomW
GlobalAddAtomW
LoadLibraryA
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
EncodePointer
LoadLibraryW
GlobalFree
GlobalUnlock
GlobalLock
GetProcAddress
GetModuleHandleW
GetModuleHandleA
FreeResource
OutputDebugStringA
WideCharToMultiByte
ResumeThread
GetCurrentThread
WaitForSingleObject
SetLastError
MultiByteToWideChar
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
GetPrivateProfileIntW
FindResourceW
SizeofResource
LockResource
LoadResource
GetModuleFileNameW
OpenProcess
CreateThread
TerminateProcess
Sleep
CloseHandle
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
GetLastError
RaiseException
GetConsoleCP
user32
CreateMenu
DestroyCursor
GetWindowRgn
DrawIcon
SetParent
MapVirtualKeyExW
IsCharLowerW
GetKeyboardLayout
PostThreadMessageW
IsZoomed
GetComboBoxInfo
TrackMouseEvent
MonitorFromPoint
UpdateLayeredWindow
IsMenu
UnionRect
SetWindowRgn
DrawFrameControl
DrawEdge
DrawStateW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
GetKeyNameTextW
RegisterClipboardFormatW
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
BringWindowToTop
MapVirtualKeyW
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
GetIconInfo
DrawIconEx
LoadImageW
SetRectEmpty
DrawFocusRect
GetMenuDefaultItem
CreatePopupMenu
MessageBeep
GetNextDlgGroupItem
IsRectEmpty
IntersectRect
SetRect
InvalidateRgn
CopyAcceleratorTableW
OffsetRect
CharNextW
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
CharUpperW
DestroyIcon
IsIconic
InvalidateRect
KillTimer
SetTimer
DeleteMenu
CopyImage
LoadCursorW
GetSysColorBrush
SystemParametersInfoW
InflateRect
GetMenuItemInfoW
DestroyMenu
FillRect
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
TabbedTextOutW
GrayStringW
SubtractRect
DrawTextW
RemoveMenu
InsertMenuW
GetMenuState
GetMenuStringW
MapDialogRect
SetWindowContextHelpId
GetWindowThreadProcessId
SetCursor
ShowOwnedPopups
PostQuitMessage
GetCursorPos
TranslateMessage
GetMessageW
IsDialogMessageW
SetWindowTextW
CheckDlgButton
MoveWindow
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
PtInRect
EqualRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
MessageBoxW
AdjustWindowRectEx
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
GetMenuItemCount
GetMenuItemID
SetMenu
GetMenu
GetCapture
GetKeyState
SetFocus
GetDlgCtrlID
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
SetWindowPos
IsChild
CreateWindowExW
GetClassInfoExW
GetClassInfoW
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
FrameRect
CharUpperBuffW
ModifyMenuW
SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongW
LockWindowUpdate
SetCursorPos
DestroyAcceleratorTable
CreateAcceleratorTableW
GetKeyboardState
DrawTextExW
ToUnicodeEx
RegisterClassW
CallWindowProcW
DefWindowProcW
PostMessageW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
GetFocus
SendDlgItemMessageA
GetParent
GetDesktopWindow
GetWindowLongW
SetActiveWindow
IsWindowEnabled
GetActiveWindow
GetNextDlgTabItem
GetDlgItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
IsWindow
EnumDisplaySettingsW
LoadIconW
ClientToScreen
GetWindowRect
GetClientRect
GetDC
AppendMenuW
GetSubMenu
EnableMenuItem
CheckMenuItem
GetSystemMenu
LoadMenuW
GetSystemMetrics
TranslateAcceleratorW
LoadAcceleratorsW
SendMessageW
EnableWindow
UnregisterClassW
RealChildWindowFromPoint
gdi32
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateFontIndirectW
GetTextExtentPoint32W
GetTextMetricsW
GetBkColor
GetTextColor
CreateRectRgnIndirect
GetRgnBox
CombineRgn
GetMapMode
SetRectRgn
DPtoLP
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateCompatibleBitmap
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
MoveToEx
Polygon
Polyline
Rectangle
EnumFontFamiliesExW
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceW
SetROP2
SetPolyFillMode
GetLayout
SetLayout
SetTextAlign
CreatePolygonRgn
PatBlt
SetMapMode
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
CreateCompatibleDC
BitBlt
GetDeviceCaps
CreateDCW
CopyMetaFileW
GetObjectW
SetTextColor
SetBkColor
CreateBitmap
StretchDIBits
msimg32
AlphaBlend
TransparentBlt
winspool.drv
ClosePrinter
OpenPrinterW
DocumentPropertiesW
advapi32
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
shell32
SHBrowseForFolderW
SHGetFileInfoW
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHGetDesktopFolder
ShellExecuteW
SHAppBarMessage
DragFinish
DragQueryFileW
shlwapi
PathFindFileNameW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW
PathFindExtensionW
PathRemoveFileSpecW
uxtheme
CloseThemeData
GetWindowTheme
GetThemeSysColor
GetThemePartSize
DrawThemeText
DrawThemeParentBackground
OpenThemeData
IsAppThemed
IsThemeBackgroundPartiallyTransparent
DrawThemeBackground
GetThemeColor
GetCurrentThemeName
ole32
CLSIDFromProgID
CLSIDFromString
CoCreateInstance
CoCreateGuid
CoUninitialize
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
CoTaskMemAlloc
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
CoTaskMemFree
OleDuplicateData
ReleaseStgMedium
CoDisconnectObject
CoGetClassObject
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CreateILockBytesOnHGlobal
CoInitializeEx
CoFreeUnusedLibraries
OleInitialize
OleUninitialize
CreateStreamOnHGlobal
CoRevokeClassObject
OleLockRunning
DoDragDrop
CoRegisterMessageFilter
IsAccelerator
OleIsCurrentClipboard
OleFlushClipboard
CoInitialize
oleaut32
SysAllocStringLen
VarBstrFromDate
VariantCopy
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
OleCreateFontIndirect
SysFreeString
SysAllocString
VariantChangeType
VariantClear
VariantInit
LoadTypeLi
oledlg
OleUIBusyW
oleacc
CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject
gdiplus
GdiplusShutdown
GdipAlloc
GdipFree
GdiplusStartup
GdipCloneImage
GdipDisposeImage
GdipGetImageGraphicsContext
GdipGetImageWidth
GdipGetImageHeight
GdipGetImagePixelFormat
GdipGetImagePalette
GdipGetImagePaletteSize
GdipCreateBitmapFromStream
GdipCreateBitmapFromScan0
GdipBitmapLockBits
GdipBitmapUnlockBits
GdipDeleteGraphics
GdipDrawImageI
GdipCreateBitmapFromHBITMAP
GdipCreateFromHDC
GdipSetInterpolationMode
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: 327KB - Virtual size: 326KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 5.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
my_share Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 119KB - Virtual size: 119KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ