Static task
static1
Behavioral task
behavioral1
Sample
2024-07-08_423e3ff75616a0540bcf360699f99985_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-08_423e3ff75616a0540bcf360699f99985_bkransomware.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-08_423e3ff75616a0540bcf360699f99985_bkransomware
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Size
598KB
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MD5
423e3ff75616a0540bcf360699f99985
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SHA1
f321b3859d1e6019be0038ab52e322ba4cf8b548
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SHA256
9214df4dbd004169ff80b9abf5cd80823e562e90264ba694b7e19b5119f8a984
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SHA512
3e9c455036e4d7b98024e20416887e9ed9edce15b8c0fef36fb3c2129d589e06bebd72a3350711cd9da692bf7d1f7a5d05801e92c67d96988f41f196d5d172ed
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SSDEEP
12288:7rmJXnjCsRWXsGF7qmjJeZi0HzQb7AtEkUzw:7rqXjCsRmsuUZi08bzVc
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-08_423e3ff75616a0540bcf360699f99985_bkransomware
Files
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2024-07-08_423e3ff75616a0540bcf360699f99985_bkransomware.exe windows:5 windows x86 arch:x86
8f0a28fe1e73b7f41728576071c7a804
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
GetTextAlign
GetTextColor
GetTextCharset
GetTextCharsetInfo
GetFontLanguageInfo
GetFontUnicodeRanges
SetPixel
SetSystemPaletteUse
SetTextCharacterExtra
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
GetForegroundWindow
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetKeyboardType
SetFocus
GetDialogBaseUnits
CheckDlgButton
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
MoveWindow
ShowWindow
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
GetFileType
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
SetFilePointer
WriteFile
IsDebuggerPresent
GetLastError
QueryPerformanceCounter
GetProcessHeap
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
GlobalAlloc
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
CloseHandle
GetConsoleCP
GetConsoleMode
RtlUnwind
SetEnvironmentVariableA
Sections
.text Size: 513KB - Virtual size: 513KB
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: 111KB
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