Static task
static1
Behavioral task
behavioral1
Sample
2024-09-25_5a64db5f4c07350dbee6fa13a6bde02c_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-25_5a64db5f4c07350dbee6fa13a6bde02c_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-25_5a64db5f4c07350dbee6fa13a6bde02c_bkransomware
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Size
1.4MB
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MD5
5a64db5f4c07350dbee6fa13a6bde02c
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SHA1
23cc2e28849637751bdcaf51aea251daf93f4a66
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SHA256
faf5143a530a3ec2f3104b19774f4df2a726b31eb7e14fd5a0ac4c80e60d2284
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SHA512
5ac2f297337bbd134c9bc16f45fa67ff6a30a04fea611dd61ea1f92f122812027ab42652166402587e3a3757784a7ebb236233e9b7193fa3c108682298ed10ec
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SSDEEP
24576:KB1w0r6BUC+a+ThuDYHLuiTGYEGHThuDYHLuiTGYEGF:KgBUADqLuKEGMDqLuKEGF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-25_5a64db5f4c07350dbee6fa13a6bde02c_bkransomware
Files
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2024-09-25_5a64db5f4c07350dbee6fa13a6bde02c_bkransomware.exe windows:5 windows x86 arch:x86
91d01babfb14efd47c76abc03168a79e
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
GetVersionExA
GlobalSize
WideCharToMultiByte
SetEndOfFile
HeapSize
WriteConsoleW
HeapReAlloc
FlushFileBuffers
SetStdHandle
OutputDebugStringW
LCMapStringW
GetStringTypeW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
GetConsoleCP
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
Sleep
CreateFileW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStartupInfoW
DeleteCriticalSection
GetFileType
SetFilePointerEx
ReadConsoleW
GetConsoleMode
LeaveCriticalSection
EnterCriticalSection
WriteFile
GetStdHandle
GetModuleHandleExW
ExitProcess
GetProcessHeap
SetLastError
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetCommandLineW
DeleteFileW
ExitThread
CreateThread
DecodePointer
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
RtlUnwind
HeapAlloc
HeapFree
LoadLibraryExA
FreeLibrary
RaiseException
GetTempPathW
GetModuleFileNameW
GetTickCount
SetFilePointer
ReadFile
WritePrivateProfileStringW
GetLastError
InterlockedDecrement
InterlockedIncrement
GetPrivateProfileStringW
GetPrivateProfileIntW
CloseHandle
WaitForSingleObject
ResumeThread
GetCurrentProcess
GetLocalTime
GetProcessAffinityMask
MultiByteToWideChar
GlobalFree
GlobalUnlock
GlobalHandle
GlobalLock
GlobalAlloc
MulDiv
GetCurrentThreadId
VerifyVersionInfoW
GetModuleHandleA
VerSetConditionMask
GetModuleHandleW
LoadLibraryExW
InitializeCriticalSectionAndSpinCount
GetProcAddress
user32
GetIconInfo
GetWindowThreadProcessId
IsRectEmpty
WindowFromPoint
GetCursor
GetCursorPos
IsZoomed
AttachThreadInput
SystemParametersInfoA
LoadCursorW
FindWindowW
IntersectRect
SetCursor
ShowCursor
GetActiveWindow
DispatchMessageW
TranslateMessage
GetMessageW
DestroyIcon
LoadIconW
SetParent
ClientToScreen
MessageBeep
SetActiveWindow
UpdateWindow
LoadMenuW
EnableWindow
KillTimer
SetTimer
GetKeyState
CreateDialogParamW
BringWindowToTop
SetWindowPos
MoveWindow
ShowWindow
DestroyWindow
IsWindow
CreateWindowExW
RegisterClassW
DefWindowProcW
ScreenToClient
PostMessageW
SetRect
SetWindowTextW
SetFocus
SendDlgItemMessageW
SetDlgItemTextW
EndDialog
LoadStringW
DrawIconEx
LoadImageW
GetClassNameW
EnumChildWindows
GetParent
SetWindowLongW
GetWindowLongW
OffsetRect
InflateRect
CopyRect
FrameRect
FillRect
DrawFocusRect
GetSysColor
MessageBoxW
GetWindowRect
GetClientRect
GetWindowTextW
InvalidateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
DrawTextExW
DrawTextW
TrackPopupMenu
GetSubMenu
DestroyMenu
GetSystemMetrics
IsWindowEnabled
GetFocus
GetDlgCtrlID
GetDlgItem
IsWindowVisible
DrawFrameControl
DrawEdge
SystemParametersInfoW
RedrawWindow
SendMessageW
PostQuitMessage
gdi32
CreateFontIndirectW
CreatePen
CreateSolidBrush
GetDeviceCaps
GetStockObject
GetTextExtentPoint32W
Rectangle
SelectObject
SetBkColor
SetBkMode
CreatePalette
CreateCompatibleDC
GetSystemPaletteEntries
CreateDCW
DeleteDC
GetClipBox
RealizePalette
SelectPalette
StretchDIBits
SetStretchBltMode
GetDCOrgEx
GetDIBits
GetObjectW
CreateCompatibleBitmap
BitBlt
SetTextColor
DeleteObject
comctl32
ord412
ord410
ord413
Sections
.text Size: 320KB - Virtual size: 320KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 208KB - Virtual size: 208KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ