Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_045bb3ab6682ada3d261db47a16f5757_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-13_045bb3ab6682ada3d261db47a16f5757_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_045bb3ab6682ada3d261db47a16f5757_bkransomware
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Size
583KB
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MD5
045bb3ab6682ada3d261db47a16f5757
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SHA1
51538eedc68fb86b8529a641551f4fa0f7945d76
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SHA256
21ddbb0b0b613dd074283bac6e29344b9d81ba1e959f869ef08dde1023c7615b
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SHA512
6d144cb9a0d2998738302662149027e8ed553661599c2e5e7a0dc22003fd76055864451047566fc0fb4393702fde7494345564b38324cca51337fc75b84ec308
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SSDEEP
12288:xtuKvVv8TgXiWUmUl4TLTdiq95VkQ4l+wDehW8sVbZXknM:xfk8XiWUblOTdi+5Vk3+wK69ZXz
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_045bb3ab6682ada3d261db47a16f5757_bkransomware
Files
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2024-09-13_045bb3ab6682ada3d261db47a16f5757_bkransomware.exe windows:5 windows x86 arch:x86
07665425c842d965c5a954e6a0f6e02d
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
SetPixel
GetPolyFillMode
GetBkColor
GetPixelFormat
GetNearestPaletteIndex
GetRandomRgn
GetCurrentObject
GetFontUnicodeRanges
GetFontLanguageInfo
GetTextCharacterExtra
SetSystemPaletteUse
GetTextAlign
SetTextCharacterExtra
SetTextColor
GetObjectType
GetMapMode
GetTextCharset
GetStretchBltMode
GetDCBrushColor
GetSystemPaletteUse
GetTextCharsetInfo
SetTextAlign
user32
GetDC
BeginPaint
CheckDlgButton
SendMessageA
GetMenuItemID
MoveWindow
GetWindowContextHelpId
IsWindowUnicode
SetWindowTextA
RemovePropA
EndPaint
GetKeyboardType
DrawTextA
GetQueueStatus
GetInputState
GetScrollPos
EndDialog
GetWindowLongA
GetDialogBaseUnits
GetCursor
PostMessageA
EnableWindow
GetWindowDC
GetDlgItem
GetDlgItemInt
WindowFromDC
GetMenuContextHelpId
GetMenuState
IsWindowEnabled
LoadIconA
GetPropA
GetMenu
GetForegroundWindow
CallWindowProcA
SetFocus
GetMenuItemCount
SetDlgItemTextA
kernel32
GetExitCodeProcess
WaitForSingleObject
WriteConsoleW
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
ReadConsoleW
SetEnvironmentVariableW
SetEnvironmentVariableA
DeleteFileW
SetStdHandle
ReadFile
RaiseException
SetFilePointerEx
CreateProcessA
GetFileAttributesExW
CreatePipe
GetFileType
GetStringTypeW
GetConsoleMode
GetConsoleCP
GetProcAddress
GetModuleHandleA
LocalFlags
GlobalFlags
GlobalHandle
GetDriveTypeA
GetVersion
GetLastError
GetProcessHeap
GetCurrentProcess
GlobalSize
DeleteFileA
GetTickCount
GetCurrentProcessId
SetFilePointer
CloseHandle
GetFileTime
LoadResource
LockResource
GetStdHandle
SizeofResource
IsDebuggerPresent
FindClose
GetCurrentThreadId
FindResourceA
FlushFileBuffers
MoveFileA
QueryPerformanceCounter
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
DuplicateHandle
CreateProcessW
GetTempPathA
GetFullPathNameA
GetLocalTime
GetTimeZoneInformation
GetTempPathW
GetCommandLineA
IsProcessorFeaturePresent
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
SetEndOfFile
Sections
.text Size: 529KB - Virtual size: 529KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 30KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 131KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE