Static task
static1
Behavioral task
behavioral1
Sample
2024-05-31_bd9f1bbfcd28b2bac9d0081158245916_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_bd9f1bbfcd28b2bac9d0081158245916_bkransomware.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_bd9f1bbfcd28b2bac9d0081158245916_bkransomware
-
Size
3.0MB
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MD5
bd9f1bbfcd28b2bac9d0081158245916
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SHA1
1d0e6051545e06beaeda00bee11b4c93989c237a
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SHA256
3f72a019d923eec3d45789d73871ab58cc783a674e752f3b61fa0372f042ea23
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SHA512
9311046d197aa575da5b7dfdc0698981081d41a3d98426aeb1db30c816da02338d1af2549bb37ff293b9169fb2962bfe6e2bc253221da319ab3ffe94687634af
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SSDEEP
49152:pjxey8cxN9EJjUb1HIBSXdA0nY87aA+RQXTh6CI4fw+PaelmIM4w2cHLy7W/2fBT:5QjUbtIBSNAN87aAjXYCIvkaomIM4H82
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-31_bd9f1bbfcd28b2bac9d0081158245916_bkransomware
Files
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2024-05-31_bd9f1bbfcd28b2bac9d0081158245916_bkransomware.exe windows:6 windows x86 arch:x86
1549505506cb14dc21001b21700670a2
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
dbghelp
MiniDumpWriteDump
mpr
WNetCancelConnectionW
WNetAddConnectionW
WNetCloseEnum
WNetGetUserW
WNetOpenEnumW
WNetEnumResourceW
netapi32
NetUserGetInfo
NetApiBufferFree
NetGetDCName
ws2_32
ntohs
htonl
ntohl
htons
mapi32
ord19
ord23
ord21
ord140
kernel32
GetConsoleMode
ReadConsoleW
SetFilePointerEx
OutputDebugStringW
LCMapStringW
WriteConsoleW
SetEnvironmentVariableA
CreateDirectoryW
LoadLibraryExA
ExpandEnvironmentStringsA
VirtualFree
GetFileInformationByHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
lstrlenA
LoadResource
LockResource
SizeofResource
FindResourceW
InterlockedExchange
GetConsoleCP
InterlockedDecrement
GetCPInfo
GetLastError
GetSystemTimeAsFileTime
GetLocalTime
FileTimeToSystemTime
SystemTimeToFileTime
GetTimeZoneInformation
MultiByteToWideChar
Sleep
CloseHandle
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
WaitForSingleObject
CreateEventW
CreateThread
GetExitCodeThread
GetComputerNameW
SetCurrentDirectoryW
ExitProcess
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
LocalFree
FormatMessageW
GetCurrentDirectoryW
CreateProcessW
GetStartupInfoW
ExitThread
GetLogicalDrives
GetVersion
ResetEvent
InterlockedIncrement
GetOEMCP
GetACP
IsValidCodePage
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStdHandle
GetFileType
SetStdHandle
HeapQueryInformation
VirtualQuery
VirtualAlloc
GetSystemInfo
GetModuleHandleExW
IsProcessorFeaturePresent
IsDebuggerPresent
RtlUnwind
GetCommandLineW
SearchPathW
GetTempPathW
VerifyVersionInfoW
VerSetConditionMask
lstrcpyW
SetErrorMode
FindResourceExW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
LocalFileTimeToFileTime
GetFileSizeEx
GetFileAttributesExW
GlobalFlags
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetStringTypeW
GetWindowsDirectoryW
LoadLibraryW
DecodePointer
GetThreadLocale
GetStringTypeExW
MoveFileW
lstrcmpiW
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetShortPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
DeleteFileW
CreateFileW
FileTimeToLocalFileTime
GetProfileIntW
GlobalGetAtomNameW
GetTickCount
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
CompareStringA
GetCurrentThread
GetVersionExW
lstrcmpA
VirtualProtect
ResumeThread
SuspendThread
SetThreadPriority
GetCurrentProcessId
GlobalFindAtomW
GlobalAddAtomW
LoadLibraryA
lstrcmpW
GlobalDeleteAtom
GetProcAddress
GetModuleHandleW
GetModuleHandleA
FreeResource
RaiseException
GetSystemDirectoryW
GetCurrentThreadId
InitializeCriticalSectionAndSpinCount
EncodePointer
OutputDebugStringA
WideCharToMultiByte
CopyFileW
MulDiv
GlobalSize
SetLastError
ReplaceFileW
SetFileTime
GetTempFileNameW
GetFullPathNameW
GetFileTime
GetFileAttributesW
GetDiskFreeSpaceW
GlobalFree
GlobalUnlock
GlobalLock
GlobalAlloc
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
user32
IsMenu
DrawFrameControl
DrawEdge
DrawStateW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
GetMenuDefaultItem
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetIconInfo
DrawIconEx
DrawFocusRect
LockWindowUpdate
GetDCEx
UnionRect
SetWindowRgn
DrawIcon
GetNextDlgGroupItem
InvalidateRgn
CharNextW
GetTabbedTextExtentW
CopyImage
GetMenuItemInfoW
GetSysColorBrush
RealChildWindowFromPoint
CharUpperW
IsZoomed
InflateRect
ClipCursor
SystemParametersInfoW
GetSystemMenu
ReuseDDElParam
UnpackDDElParam
LoadImageW
DestroyIcon
InsertMenuItemW
CreatePopupMenu
TranslateAcceleratorW
BringWindowToTop
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
CreateMenu
PostThreadMessageW
DestroyCursor
OffsetRect
IsIconic
DeleteMenu
SetParent
WindowFromDC
SetWindowContextHelpId
RegisterClipboardFormatW
DestroyMenu
LoadAcceleratorsW
ShowOwnedPopups
PostQuitMessage
MapDialogRect
GetAsyncKeyState
TranslateMessage
GetMessageW
ClientToScreen
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
MapVirtualKeyW
GetKeyNameTextW
GetWindowThreadProcessId
LoadMenuW
GetDesktopWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
IsDialogMessageW
SetWindowTextW
IsWindowEnabled
CheckDlgButton
SetDlgItemTextW
GetDlgItemInt
MoveWindow
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
LoadIconW
CallNextHookEx
UnhookWindowsHookEx
UpdateLayeredWindow
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
GetWindowLongW
PtInRect
MonitorFromPoint
TrackMouseEvent
GetComboBoxInfo
GetKeyboardLayout
EqualRect
MapWindowPoints
AdjustWindowRectEx
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
GetKeyState
SetFocus
GetDlgCtrlID
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
SetWindowPos
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
SendDlgItemMessageA
RemoveMenu
AppendMenuW
IsCharLowerW
MapVirtualKeyExW
ToUnicodeEx
GetKeyboardState
CreateAcceleratorTableW
DestroyAcceleratorTable
SetCursorPos
SetClassLongW
GetDoubleClickTime
SetMenuDefaultItem
ModifyMenuW
CharUpperBuffW
FrameRect
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
DrawMenuBar
DefFrameProcW
DefMDIChildProcW
TranslateMDISysAccel
GetUpdateRect
SubtractRect
GetWindowRgn
MessageBoxA
wsprintfW
GetMenuState
GetMenuStringW
IntersectRect
CopyAcceleratorTableW
GetActiveWindow
PostMessageW
SendNotifyMessageW
IsRectEmpty
IsClipboardFormatAvailable
SetRectEmpty
ReleaseDC
GetDC
IsWindowVisible
DestroyWindow
IsChild
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
InSendMessage
UnregisterClassW
CopyIcon
LoadCursorW
SetCursor
MessageBeep
GetDlgItem
LoadBitmapW
MessageBoxW
ScreenToClient
KillTimer
SetTimer
GetParent
GetWindowRect
GetClientRect
GetSystemMetrics
UpdateWindow
CopyRect
FillRect
GetSysColor
InvalidateRect
DrawTextW
IsWindow
EnableWindow
SendMessageW
SetRect
SetWindowsHookExW
GetCursorPos
gdi32
SetPolyFillMode
SetROP2
SetStretchBltMode
SetTextAlign
StartDocW
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
EndDoc
StartPage
EndPage
AbortDoc
SetAbortProc
DPtoLP
GetViewportOrgEx
Rectangle
CreateFontW
GetCharWidthW
StretchDIBits
SetBrushOrgEx
GetTextMetricsW
CloseMetaFile
CreateMetaFileW
GetLayout
CombineRgn
GetMapMode
SetRectRgn
EnumFontFamiliesExW
GetBkColor
GetTextColor
GetRgnBox
CreateEllipticRgn
Ellipse
CreateDIBSection
LPtoDP
GetROP2
GetBkMode
GetNearestColor
GetPolyFillMode
GetStretchBltMode
GetTextAlign
GetTextFaceW
UnrealizeObject
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
StretchBlt
SetDIBColorTable
CreatePolygonRgn
Polygon
Polyline
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
SetLayout
SetMapMode
SetBkMode
SelectPalette
SelectObject
ExtSelectClipRgn
SelectClipRgn
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetViewportExtEx
GetPixel
GetObjectType
GetCurrentPositionEx
GetClipBox
ExcludeClipRect
Escape
DeleteObject
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
BitBlt
PatBlt
SetTextColor
SetBkColor
GetDeviceCaps
CreateDCW
CopyMetaFileW
GetWindowOrgEx
GetWindowExtEx
CreateCompatibleDC
CreateCompatibleBitmap
CreateBitmap
GetObjectW
GetStockObject
CreateFontIndirectW
DeleteMetaFile
GetTextExtentPoint32W
CreateRectRgnIndirect
msimg32
AlphaBlend
TransparentBlt
winspool.drv
ClosePrinter
OpenPrinterW
DocumentPropertiesW
GetJobW
advapi32
LsaQueryInformationPolicy
GetUserNameW
RevertToSelf
ImpersonateLoggedOnUser
ConvertSidToStringSidW
RegQueryValueExA
RegOpenKeyExA
LsaAddAccountRights
LsaEnumerateAccountRights
LsaClose
StartServiceW
QueryServiceConfigW
OpenServiceW
ControlService
ChangeServiceConfigW
LogonUserW
LookupAccountNameW
LsaOpenPolicy
RegConnectRegistryW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegSetValueW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
SetFileSecurityW
GetFileSecurityW
OpenSCManagerW
CloseServiceHandle
shell32
SHGetPathFromIDListW
SHBrowseForFolderW
ShellExecuteW
ExtractIconW
DragQueryFileW
DragFinish
SHAppBarMessage
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHAddToRecentDocs
SHGetFileInfoW
comctl32
ImageList_Draw
ImageList_AddMasked
shlwapi
PathFindExtensionW
PathFindFileNameW
PathRemoveFileSpecW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW
PathFileExistsW
uxtheme
GetThemeColor
GetCurrentThemeName
GetThemeSysColor
DrawThemeBackground
IsThemeBackgroundPartiallyTransparent
DrawThemeParentBackground
DrawThemeText
OpenThemeData
CloseThemeData
GetThemePartSize
IsAppThemed
GetWindowTheme
ole32
OleCreateStaticFromData
OleCreate
WriteClassStm
ReadClassStg
CreateItemMoniker
CreateGenericComposite
StgCreateDocfileOnILockBytes
StringFromCLSID
CreateDataAdviseHolder
CoTaskMemAlloc
CreateILockBytesOnHGlobal
CreateFileMoniker
StgIsStorageFile
StgOpenStorageOnILockBytes
StgOpenStorage
StgCreateDocfile
CoTaskMemFree
CoInitialize
CoUninitialize
OleCreateLinkToFile
RegisterDragDrop
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
GetRunningObjectTable
CoLockObjectExternal
OleRegEnumVerbs
OleRegGetMiscStatus
CoDisconnectObject
CLSIDFromProgID
CLSIDFromString
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CoRevokeClassObject
CoRegisterClassObject
CoCreateGuid
CoCreateInstance
CoInitializeEx
SetConvertStg
OleCreateFromFile
OleLoad
OleSave
OleSaveToStream
OleSetContainedObject
OleLockRunning
ReleaseStgMedium
OleGetIconOfClass
GetHGlobalFromILockBytes
OleRun
OleIsRunning
OleSetMenuDescriptor
CoRegisterMessageFilter
CoGetClassObject
DoDragDrop
OleIsCurrentClipboard
OleFlushClipboard
OleGetClipboard
RevokeDragDrop
CreateOleAdviseHolder
OleRegGetUserType
OleDuplicateData
ReadFmtUserTypeStg
WriteFmtUserTypeStg
WriteClassStg
CreateBindCtx
CreateStreamOnHGlobal
CoTreatAsClass
oleaut32
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
LoadTypeLi
VariantCopy
VariantChangeType
VariantClear
VariantInit
SysAllocStringLen
OleCreateFontIndirect
SysStringLen
SysFreeString
SysStringByteLen
SysAllocStringByteLen
VarBstrFromDate
SysAllocString
oledlg
OleUIBusyW
OleUIConvertW
OleUIEditLinksW
OleUIInsertObjectW
OleUIAddVerbMenuW
version
GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW
oleacc
AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject
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
rpcrt4
UuidToStringW
UuidCreate
RpcStringFreeW
secur32
TranslateNameW
Sections
.text Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 581KB - Virtual size: 581KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 42KB - Virtual size: 153KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
STLPORT_ Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 119KB - Virtual size: 118KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ