Static task
static1
Behavioral task
behavioral1
Sample
2024-07-05_1fee2b9a4f958612184bdc6fa138edf1_bkransomware.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-07-05_1fee2b9a4f958612184bdc6fa138edf1_bkransomware.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-05_1fee2b9a4f958612184bdc6fa138edf1_bkransomware
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Size
602KB
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MD5
1fee2b9a4f958612184bdc6fa138edf1
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SHA1
63fc6872f08b38d0fa2e950f25abba9db9cf6659
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SHA256
e12254d97446df746baa47ad84347a7ac6dbed9f9093ee45a1487d8a2137b4c5
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SHA512
4d74d2228bb5ec34967ede377144564672502a2e7a6a8a6b332cbd8f6e9d29878a012510dd602c5d61548ae5e3ce069feb0f76a752cfdebd476ac98bda791e91
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SSDEEP
12288:llo7fSkGKNnoi3re+PEWGHAnc51r7/+TKL9U+O9TZsVGfpCVB:llobSkGKNnJtcvn/aKL9U+O9+Vv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-05_1fee2b9a4f958612184bdc6fa138edf1_bkransomware
Files
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2024-07-05_1fee2b9a4f958612184bdc6fa138edf1_bkransomware.exe windows:5 windows x86 arch:x86
87c66e56e8b013a756d1cc1be00190b8
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
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
SetTextColor
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
EndPaint
BeginPaint
GetWindowDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
GetQueueStatus
GetInputState
SetFocus
CheckDlgButton
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
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
GetStdHandle
DeleteFileA
GetFileTime
SetFilePointer
IsDebuggerPresent
CloseHandle
GetLastError
QueryPerformanceCounter
GetProcessHeap
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
FlushFileBuffers
GetConsoleCP
GetConsoleMode
RtlUnwind
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
SetEnvironmentVariableA
Sections
.text Size: 518KB - Virtual size: 518KB
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: 19KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ