Static task
static1
Behavioral task
behavioral1
Sample
2024-06-28_5bb1fc7912063ebd2011e7bea10e2ea3_bkransomware.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-28_5bb1fc7912063ebd2011e7bea10e2ea3_bkransomware.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-28_5bb1fc7912063ebd2011e7bea10e2ea3_bkransomware
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Size
379KB
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MD5
5bb1fc7912063ebd2011e7bea10e2ea3
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SHA1
2b62c55d9fa28c16ee4ee780162682ea26eeebdf
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SHA256
0c5d4a400efe4fe97a8a4fb5998b05dac2da1e07c3c01ecce4184a85ef405171
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SHA512
4e7d775c912146b1dd2c784cb8f0279cad25d91308e3462ecdbe79fa879cd10b1e80945fc1e3b393b66a3a182dc94cb3719402c01e58702bbdd485ac74f32192
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SSDEEP
6144:NUs6YFh803dD/J3IvAaY2ajz0use0JKdkZTCVv9mTXYGenxWz:Nn38YlqY2K0use0wdk9C/mTXYGvz
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-28_5bb1fc7912063ebd2011e7bea10e2ea3_bkransomware
Files
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2024-06-28_5bb1fc7912063ebd2011e7bea10e2ea3_bkransomware.exe windows:5 windows x86 arch:x86
5d301267f536b022c160411ad93ce772
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
GetCurrentObject
GetDeviceCaps
GetGraphicsMode
GetMapMode
GetPixelFormat
GetPolyFillMode
GetRandomRgn
GetStretchBltMode
GetTextAlign
GetTextCharset
GetTextCharsetInfo
GetFontLanguageInfo
GetFontUnicodeRanges
SetPixel
SetSystemPaletteUse
user32
LoadIconA
GetCursor
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
GetKeyboardType
SetFocus
GetDialogBaseUnits
CheckDlgButton
SetDlgItemTextA
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
GetFileType
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
RtlUnwind
GetConsoleMode
GetStdHandle
DeleteFileA
FindClose
GetDriveTypeA
GetFileTime
SetFilePointer
IsDebuggerPresent
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
WriteFile
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
GetProcessHeap
CloseHandle
FlushFileBuffers
GetConsoleCP
SetEnvironmentVariableA
Sections
.text Size: 300KB - Virtual size: 300KB
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: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ