Static task
static1
Behavioral task
behavioral1
Sample
2024-07-07_f8cd22588e6f39ea2471df54aa241d11_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-07_f8cd22588e6f39ea2471df54aa241d11_bkransomware.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-07_f8cd22588e6f39ea2471df54aa241d11_bkransomware
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Size
500KB
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MD5
f8cd22588e6f39ea2471df54aa241d11
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SHA1
0e419513e05dcb4cb5bf2e8dd1afd61b3bac2e16
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SHA256
b791f9e1ce2f14d22c57610bb511bb01c67603f792e72911a4e7c3de93458fd5
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SHA512
38056f180a25fba193c4b005698c75c3c265579dfd50dcd58ee9e20aa4b48427f9fb56b33032418654a4fba07674e6d4b8bc5e894fd6165af87201653c18568e
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SSDEEP
12288:3fVUdK8JLZdi6ScXG0TjEcFijcKHnN0txewLjoNRnYxa/4DC6LWF:vidKWZycXvMBoKHnN8eIlS4DjL+
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-07_f8cd22588e6f39ea2471df54aa241d11_bkransomware
Files
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2024-07-07_f8cd22588e6f39ea2471df54aa241d11_bkransomware.exe windows:5 windows x86 arch:x86
5426e34a658df68910b7f749fad5b45b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetDeviceCaps
GetRandomRgn
GetPolyFillMode
GetStretchBltMode
SetTextColor
GetTextCharset
GetCurrentObject
GetMetaRgn
GetGraphicsMode
SetPixel
GetSystemPaletteUse
GetPixelFormat
GetMapMode
GetNearestColor
GetFontLanguageInfo
GetDCBrushColor
SetSystemPaletteUse
GetTextCharacterExtra
GetBkColor
GetNearestPaletteIndex
GetObjectType
GetFontUnicodeRanges
GetTextAlign
GetDCPenColor
GetClipRgn
UpdateColors
GetTextColor
GetTextCharsetInfo
SetTextCharacterExtra
user32
ShowWindow
MoveWindow
GetDlgItemInt
WindowFromDC
LoadIconA
DrawTextA
GetMenuState
EnableWindow
SetDlgItemTextA
GetDC
CheckDlgButton
BeginPaint
GetPropA
GetScrollPos
EndDialog
SetFocus
GetDialogBaseUnits
GetKeyboardType
SetWindowTextA
SendMessageA
GetDlgItem
GetWindowContextHelpId
CallWindowProcA
PostMessageA
GetQueueStatus
GetMenuCheckMarkDimensions
GetInputState
RemovePropA
GetMenuContextHelpId
GetMenuItemCount
GetCursor
GetWindowLongA
GetWindowDC
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
FlushFileBuffers
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
GetProcAddress
GetModuleHandleA
GetVersion
GlobalFlags
FindResourceA
WriteFile
GetLastError
GetTickCount
IsDebuggerPresent
IsProcessorFeaturePresent
SetFilePointer
GlobalAlloc
GetCurrentProcessId
QueryPerformanceCounter
LocalFlags
GetCurrentProcess
LockResource
GetCurrentThreadId
GlobalHandle
LoadResource
GetFileTime
GlobalSize
FindClose
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCommandLineA
GetProcessHeap
GetStdHandle
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
CloseHandle
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: 450KB
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: 62KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE