Static task
static1
Behavioral task
behavioral1
Sample
2024-08-09_543967080f5d1269891da9675dea8d39_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-09_543967080f5d1269891da9675dea8d39_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-09_543967080f5d1269891da9675dea8d39_bkransomware
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Size
500KB
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MD5
543967080f5d1269891da9675dea8d39
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SHA1
f3ceefbad962e54d9005956dd9e15d297c035f09
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SHA256
77bd837d390ad95161995b61080759dab8a130983f58ae4524f497927c2d353a
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SHA512
7973ae4a55897d26e20d2fce769c990abfcb8141b86e4a5d25b6b1222dd5b9a626cc0f07d07626c9f85e14e9b8b0994f4dc7c90714ed8b2a4cafd402b084df76
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SSDEEP
6144:X89/vRmS+JLeKdBpzBftU+mzBowukFYPQvqkSesYdy9A8QXnJYc77I//2QZo0SLq:upsRe6sBuLSc19bQ3Gg2bo0SKbp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-09_543967080f5d1269891da9675dea8d39_bkransomware
Files
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2024-08-09_543967080f5d1269891da9675dea8d39_bkransomware.exe windows:5 windows x86 arch:x86
5c0630d4ea997263de4e09cc236b594a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetMetaRgn
SetSystemPaletteUse
GetDCPenColor
GetFontUnicodeRanges
SetTextCharacterExtra
GetFontLanguageInfo
GetMapMode
GetNearestColor
GetStretchBltMode
GetNearestPaletteIndex
GetBkColor
GetClipRgn
SetTextJustification
GetDCBrushColor
GetCurrentObject
GetSystemPaletteUse
GetDeviceCaps
user32
GetWindowContextHelpId
GetMenuCheckMarkDimensions
WindowFromDC
GetMenuItemCount
MoveWindow
GetMenu
RemovePropA
GetDlgItemInt
GetCursor
SetFocus
ShowWindow
SetWindowTextA
DrawTextA
GetPropA
BeginPaint
PostMessageA
CheckDlgButton
SendMessageA
IsWindowEnabled
SetDlgItemTextA
EndPaint
EnableWindow
EndDialog
GetMenuItemID
GetQueueStatus
GetInputState
GetDlgItem
IsWindowUnicode
GetMenuContextHelpId
GetWindowLongA
LoadIconA
GetMenuState
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
SetStdHandle
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
GetFileType
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
GetProcAddress
GetModuleHandleA
FlushFileBuffers
GetCurrentProcessId
GetLastError
GlobalHandle
GlobalSize
GetTickCount
FindClose
GetVersion
MoveFileA
IsDebuggerPresent
GlobalFlags
LockResource
LocalFlags
CloseHandle
SetFilePointer
GetCurrentThreadId
DeleteFileA
GetStdHandle
GlobalAlloc
GetProcessHeap
QueryPerformanceCounter
IsProcessorFeaturePresent
GetCurrentProcess
SizeofResource
GetFileTime
FindResourceA
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
WriteFile
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
SetLastError
GetCurrentThread
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindFirstFileExW
SetEnvironmentVariableA
Sections
.text Size: 450KB - Virtual size: 449KB
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: 23KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE