Static task
static1
Behavioral task
behavioral1
Sample
2024-10-03_54263e3af959c7a5d668e90a5b4daf99_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-03_54263e3af959c7a5d668e90a5b4daf99_bkransomware.exe
Resource
win10v2004-20240910-en
General
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Target
2024-10-03_54263e3af959c7a5d668e90a5b4daf99_bkransomware
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Size
377KB
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MD5
54263e3af959c7a5d668e90a5b4daf99
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SHA1
edba93ce0b280c34153a8ab79afc7e5be08aaf16
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SHA256
6a4a049f5c7f1c740316e19f86f78eb88c6556f045bd0ba161fdcf1b1288c3cc
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SHA512
f3bf6fad913607f9f7c3f17018922b10bb808474adc017da6fcbda71d9911d68e99da3733ef526d9f23969779b2c06eea2ad0cc8bdfd1dbd15214500586763b4
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SSDEEP
6144:WGUHAauBRJKJfECYEpN+p48a2BlNuXH6W97i9aL8sILWAV99v+cku5oaQDJ:WtjuBzmfELflNuX6Q7IaL8s8WYd+ckuw
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-03_54263e3af959c7a5d668e90a5b4daf99_bkransomware
Files
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2024-10-03_54263e3af959c7a5d668e90a5b4daf99_bkransomware.exe windows:5 windows x86 arch:x86
f44d2b3fcb9c5c79cdb94c70512ea133
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
gdi32
GetBkColor
GetDCPenColor
GetClipRgn
GetMetaRgn
GetMapMode
GetNearestColor
GetNearestPaletteIndex
GetObjectType
GetPixelFormat
GetStretchBltMode
GetSystemPaletteUse
GetTextColor
GetTextCharset
GetTextCharsetInfo
SetPixel
SetTextColor
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
GetKeyboardType
SetFocus
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
ShowWindow
CallWindowProcA
PostMessageA
SendMessageA
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
RtlUnwind
GetConsoleMode
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileTime
GetFileType
SetFilePointer
WriteFile
IsDebuggerPresent
CloseHandle
GetLastError
QueryPerformanceCounter
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
SizeofResource
GlobalAlloc
GlobalSize
GlobalFlags
GlobalHandle
LocalFlags
FindResourceA
MoveFileA
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
GetCommandLineA
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
GetProcessHeap
GetConsoleCP
SetEnvironmentVariableA
Sections
.text Size: 298KB - Virtual size: 298KB
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: 20KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ