Static task
static1
Behavioral task
behavioral1
Sample
2024-09-29_730f686e563dc0d5fe99d47933d30f89_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-29_730f686e563dc0d5fe99d47933d30f89_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-29_730f686e563dc0d5fe99d47933d30f89_bkransomware
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Size
604KB
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MD5
730f686e563dc0d5fe99d47933d30f89
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SHA1
e3cf5a420eec96a725f5722d5f403119f0dddfe0
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SHA256
cfa8ccfa38c703f26a05a67df8faa2a9bf8f6e953048bb6066c917cef1d27f09
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SHA512
56df0b57baa444e2152e2319eba86eec6ec80ffa2405cb4c0115b87da4705c204de2e65e83b55158f5654d6293d600c089cc35a25b1167c9181d8d2493d9bbdd
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SSDEEP
12288:AhBA3gckllBigHTtQnwGccqG45lboM67oM:qA3GDBigHTtQnwCqG2NoOM
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-29_730f686e563dc0d5fe99d47933d30f89_bkransomware
Files
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2024-09-29_730f686e563dc0d5fe99d47933d30f89_bkransomware.exe windows:5 windows x86 arch:x86
92f665c074e39ee7c7815e3d8695dcb0
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
GetMetaRgn
GetCurrentObject
GetDeviceCaps
GetGraphicsMode
GetMapMode
GetNearestColor
GetNearestPaletteIndex
GetObjectType
GetPixelFormat
GetPolyFillMode
GetRandomRgn
GetStretchBltMode
GetSystemPaletteUse
GetTextCharacterExtra
GetTextCharset
GetFontLanguageInfo
SetSystemPaletteUse
SetTextCharacterExtra
SetTextColor
SetTextAlign
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
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
GetCurrentProcessId
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
RtlUnwind
GetConsoleMode
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileTime
GetFileType
SetFilePointer
WriteFile
IsDebuggerPresent
CloseHandle
GetLastError
QueryPerformanceCounter
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
GlobalAlloc
GlobalSize
GlobalFlags
GlobalHandle
LocalFlags
MoveFileA
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
GetCommandLineA
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
GetProcessHeap
GetConsoleCP
SetEnvironmentVariableA
Sections
.text Size: 519KB - Virtual size: 519KB
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: 78KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ