Static task
static1
Behavioral task
behavioral1
Sample
2024-05-28_3e853f97c3a92f039059efebb988f4ea_bkransomware.exe
Resource
win7-20240419-en
General
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Target
2024-05-28_3e853f97c3a92f039059efebb988f4ea_bkransomware
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Size
1.6MB
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MD5
3e853f97c3a92f039059efebb988f4ea
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SHA1
75dfa4cc2840a4f3ca6ac22f2f77989bd6bf3645
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SHA256
29c6cd450fcf651e7c7f4810f06dade35bc90ab4b93c0ae62b362bb879c69dd1
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SHA512
970fe50f874bf7000d658a0d1ba19b4db2d08331287bc94cf306cf16e77afc725d674222df58e8588e673907d726cd325fe992105755ac2f4dd6246ee1f0c543
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SSDEEP
24576:D6BoTNjx+mZCkt76f/24pN+XNqNG6hditW:eBAf9Ckt7c20+9qNxUW
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-28_3e853f97c3a92f039059efebb988f4ea_bkransomware
Files
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2024-05-28_3e853f97c3a92f039059efebb988f4ea_bkransomware.exe windows:5 windows x86 arch:x86
193b654ecb38f71ffa2fa47fac4c2bf7
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
comctl32
InitCommonControlsEx
kernel32
GlobalUnlock
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
HeapReAlloc
LoadLibraryExW
LCMapStringW
RtlUnwind
SetFilePointerEx
GetConsoleMode
GetConsoleCP
LeaveCriticalSection
EnterCriticalSection
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetModuleFileNameW
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
HeapSize
GetModuleHandleExW
ExitProcess
WideCharToMultiByte
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
GetCurrentProcess
Sleep
InitializeCriticalSectionAndSpinCount
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
HeapFree
GetLastError
RaiseException
HeapAlloc
GetCommandLineW
DecodePointer
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
CloseHandle
VirtualFreeEx
ReadProcessMemory
VirtualAllocEx
OpenProcess
CreateFileW
GlobalLock
GlobalAlloc
FreeLibrary
GetProcAddress
GetModuleHandleW
MulDiv
MultiByteToWideChar
GetCurrentThreadId
user32
GetClassNameW
SendMessageTimeoutW
AttachThreadInput
GetWindowThreadProcessId
GetWindowLongW
GetParent
SendMessageW
GetCursor
GetDesktopWindow
RedrawWindow
GetWindowDC
IsWindow
GetWindow
ChildWindowFromPointEx
ClientToScreen
EnumChildWindows
GetWindowTextW
GetDlgCtrlID
GetForegroundWindow
WindowFromPoint
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
ReleaseCapture
SendDlgItemMessageW
SetCapture
SetCursor
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
DefWindowProcW
MessageBoxW
DestroyWindow
KillTimer
PostQuitMessage
GetWindowPlacement
RegisterClassExW
LoadIconW
DispatchMessageW
TranslateMessage
IsDialogMessageW
GetMessageW
SetTimer
GetClientRect
SetWindowTextW
SetWindowPos
GetMenu
CheckMenuItem
LoadCursorW
LoadImageW
RegisterWindowMessageW
RegisterHotKey
CreateWindowExW
DestroyIcon
ReleaseDC
GetDC
GetCursorPos
IsWindowVisible
ShowWindow
EnableWindow
MoveWindow
ScreenToClient
GetWindowRect
InvalidateRect
gdi32
DeleteDC
BitBlt
LineTo
MoveToEx
StretchBlt
PatBlt
CreateCompatibleBitmap
CreateCompatibleDC
Rectangle
SetROP2
GetStockObject
SelectObject
CreatePen
GetPixel
DeleteObject
CreateFontW
comdlg32
ChooseColorW
advapi32
RegOpenKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegQueryValueExW
Sections
.text Size: 63KB - Virtual size: 62KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 828KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE