Static task
static1
Behavioral task
behavioral1
Sample
2024-09-29_b4def4d2f27cfb2f09e7d82d5f8a76f5_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-29_b4def4d2f27cfb2f09e7d82d5f8a76f5_bkransomware.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-29_b4def4d2f27cfb2f09e7d82d5f8a76f5_bkransomware
-
Size
499KB
-
MD5
b4def4d2f27cfb2f09e7d82d5f8a76f5
-
SHA1
84b1d9541bed645f14887f496695021be3f253c7
-
SHA256
bf5de55dbfc9ae503985d29ec0a236e104e84f8a13d20f342aef885f63b0e49c
-
SHA512
64ed1af19612099844061a212a86c291faff821af580c85d8d850a7ac49820d82561a9406c6946696e0fee8756839cb378014fcf92ec5e070cc98e8b2c7bca32
-
SSDEEP
12288:b0MnnbXrBNZqvJ+ocvc4R/REs3RnCHBXb+:gMnb7BNZnNk4RPhnCHBb+
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-29_b4def4d2f27cfb2f09e7d82d5f8a76f5_bkransomware
Files
-
2024-09-29_b4def4d2f27cfb2f09e7d82d5f8a76f5_bkransomware.exe windows:5 windows x86 arch:x86
81526e8f448ec98e7ea2a869d0b6fa7e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetTextColor
UpdateColors
SetTextColor
GetClipRgn
SetTextCharacterExtra
GetPixelFormat
GetObjectType
SetTextJustification
SetPixel
SetTextAlign
GetDeviceCaps
GetSystemPaletteUse
SetSystemPaletteUse
GetMapMode
GetPolyFillMode
GetGraphicsMode
user32
GetCursor
RemovePropA
GetDC
WindowFromDC
CallWindowProcA
PostMessageA
GetDialogBaseUnits
GetForegroundWindow
GetPropA
GetMenuItemCount
ShowWindow
GetMenuItemID
SetDlgItemTextA
MoveWindow
SetFocus
DrawTextA
EndDialog
LoadIconA
GetMenuContextHelpId
EndPaint
BeginPaint
GetInputState
GetDlgItemInt
GetQueueStatus
IsWindowEnabled
SendMessageA
SetWindowTextA
IsWindowUnicode
EnableWindow
GetWindowContextHelpId
GetScrollPos
GetMenuCheckMarkDimensions
GetWindowLongA
CheckDlgButton
GetWindowDC
GetDlgItem
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
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetProcAddress
LockResource
IsProcessorFeaturePresent
GlobalHandle
GetLastError
DeleteFileA
WriteFile
GetCurrentThreadId
QueryPerformanceCounter
GetTickCount
IsDebuggerPresent
FindResourceA
LoadResource
GetModuleHandleA
GetCurrentProcess
MoveFileA
GetCurrentProcessId
GlobalAlloc
GlobalFlags
GlobalSize
FindClose
SizeofResource
GetStdHandle
CloseHandle
FlushFileBuffers
GetVersion
GetFileTime
SetFilePointer
GetFileType
GetDriveTypeA
LocalFlags
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
GetProcessHeap
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
SetEnvironmentVariableA
Sections
.text Size: 451KB - Virtual size: 451KB
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: 21KB - Virtual size: 134KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE