Static task
static1
Behavioral task
behavioral1
Sample
2024-09-15_d4de76f672637f35395eee73a0db07ff_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-15_d4de76f672637f35395eee73a0db07ff_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-15_d4de76f672637f35395eee73a0db07ff_bkransomware
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Size
596KB
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MD5
d4de76f672637f35395eee73a0db07ff
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SHA1
28be04a1c292a63cc46fbd6ef0d03a446c202c5f
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SHA256
eed5207022e0129affc9e877d2d08acb3190fecc992ee6199af7b44c09132653
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SHA512
972564a6fdf80d00795d317aeb30d13b4ade6b580644ae124d22fa6dfeb84363980ba2d06bf156fa725f15e3e4e1679917f82ea3982983bb2cd9abca1b1adfbb
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SSDEEP
6144:bGke8BKnfvwxaVzSInSS9IqxopbmtmEajLrDwal1bDUXYUMZ:bGky8sf9rubmtmEOL4alyhMZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-15_d4de76f672637f35395eee73a0db07ff_bkransomware
Files
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2024-09-15_d4de76f672637f35395eee73a0db07ff_bkransomware.exe windows:5 windows x86 arch:x86
92d717fd5a23cc0c1d28ead5b562c524
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
GetDCBrushColor
GetDCPenColor
GetClipRgn
GetCurrentObject
GetDeviceCaps
GetGraphicsMode
GetMapMode
GetNearestColor
GetNearestPaletteIndex
GetObjectType
GetPixelFormat
GetTextAlign
GetTextColor
GetFontLanguageInfo
SetPixel
SetTextCharacterExtra
SetTextColor
SetTextJustification
UpdateColors
user32
LoadIconA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
GetWindowDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
GetKeyboardType
SetFocus
GetDialogBaseUnits
CheckDlgButton
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
MoveWindow
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
GetConsoleCP
CloseHandle
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileTime
GetFileType
SetFilePointer
WriteFile
IsDebuggerPresent
GetLastError
QueryPerformanceCounter
GetProcessHeap
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
SizeofResource
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
SetEnvironmentVariableA
Sections
.text Size: 511KB - Virtual size: 511KB
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: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ