Static task
static1
Behavioral task
behavioral1
Sample
2024-10-18_c4dad2d5de4c7f42aab898b4ef0bff2e_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-18_c4dad2d5de4c7f42aab898b4ef0bff2e_bkransomware.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-18_c4dad2d5de4c7f42aab898b4ef0bff2e_bkransomware
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Size
552KB
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MD5
c4dad2d5de4c7f42aab898b4ef0bff2e
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SHA1
b706263b3a3452717df28cb6a33b05df5b637e11
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SHA256
73d8a02accae60a70db3792f06b13ceb3b40bdbadf1803423af0762dd91a6c74
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SHA512
588d83aa432ed9d86a2fe345414fdc3977c49af12640d283ccfb79676fc8ace5c6f417811c932c553954a40092f60c59d4637c0cfc1a6535e857332af39f216e
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SSDEEP
12288:JsytIx4x1Ssir0GN/gJvUxom8IlEG06WmAJk3SGjvLCu:ex4Fi4GtWvUxMIlEIbAGSGq
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-18_c4dad2d5de4c7f42aab898b4ef0bff2e_bkransomware
Files
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2024-10-18_c4dad2d5de4c7f42aab898b4ef0bff2e_bkransomware.exe windows:5 windows x86 arch:x86
33901e6d1a4adb3f7ed75ec7d1f5451f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetTextCharset
GetStretchBltMode
GetPixelFormat
GetDeviceCaps
GetSystemPaletteUse
GetGraphicsMode
GetPolyFillMode
GetRandomRgn
SetTextJustification
GetTextCharacterExtra
GetTextAlign
GetTextColor
SetTextCharacterExtra
GetCurrentObject
GetNearestColor
GetTextCharsetInfo
GetMapMode
SetPixel
SetTextAlign
GetFontLanguageInfo
GetBkColor
GetDCBrushColor
GetDCPenColor
GetNearestPaletteIndex
GetObjectType
SetTextColor
user32
GetDialogBaseUnits
PostMessageA
SendMessageA
GetMenuContextHelpId
GetWindowLongA
GetCursor
EndDialog
GetWindowContextHelpId
GetMenuCheckMarkDimensions
GetWindowDC
EnableWindow
LoadIconA
WindowFromDC
GetMenuItemID
SetWindowTextA
SetFocus
ShowWindow
GetMenu
GetScrollPos
GetForegroundWindow
IsWindowEnabled
GetDlgItem
GetMenuItemCount
GetPropA
IsWindowUnicode
BeginPaint
RemovePropA
GetQueueStatus
CallWindowProcA
GetInputState
MoveWindow
kernel32
SetEndOfFile
SetEnvironmentVariableA
ReadConsoleW
ReadFile
WriteConsoleW
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
RaiseException
GetFileAttributesExW
GetFullPathNameA
CreatePipe
GetExitCodeProcess
WaitForSingleObject
GetProcAddress
GetModuleHandleA
IsDebuggerPresent
GetTickCount
GetLastError
GetCurrentProcess
FindResourceA
GlobalSize
GetDriveTypeA
SetFilePointer
QueryPerformanceCounter
LockResource
GlobalFlags
GetCurrentThreadId
FlushFileBuffers
LocalFlags
IsProcessorFeaturePresent
GetCurrentProcessId
GetStdHandle
LoadResource
SizeofResource
GetVersion
WriteFile
GlobalHandle
DeleteFileA
MoveFileA
GetProcessHeap
GetFileTime
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
DuplicateHandle
CreateProcessA
Beep
Sleep
DeleteCriticalSection
GetTimeZoneInformation
GetCommandLineA
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetConsoleCP
GetConsoleMode
GetStringTypeW
SetStdHandle
GetFileType
SetEnvironmentVariableW
Sections
.text Size: 493KB - Virtual size: 492KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 34KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 24KB - Virtual size: 148KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE