Static task
static1
Behavioral task
behavioral1
Sample
2024-10-12_f8658e1d44fb8bd42ca98c7e6c10c392_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-12_f8658e1d44fb8bd42ca98c7e6c10c392_bkransomware.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-12_f8658e1d44fb8bd42ca98c7e6c10c392_bkransomware
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Size
456KB
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MD5
f8658e1d44fb8bd42ca98c7e6c10c392
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SHA1
3d09dc23347386534dfaa8442c7ab12146f1013d
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SHA256
ac9ddf86e196203ad914f7da518e7b5d02ae186f2f6e4234bf976930e908be61
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SHA512
9bf65e145149ba037b4795a535b3e7b003ddfafd7d13b6d2140a55a4dc16e4c08c5cd4508408b0bfbc91c1e636dbec0d63b9d55f80e86ab72028c34d3060d34c
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SSDEEP
12288:wQfONSFVXdTd36j6XDjSZf/gDIYjq90Vn7FsMl:v2cIL36quFFsM
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-12_f8658e1d44fb8bd42ca98c7e6c10c392_bkransomware
Files
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2024-10-12_f8658e1d44fb8bd42ca98c7e6c10c392_bkransomware.exe windows:5 windows x86 arch:x86
cc96909d1add2607e9b74a845e2e62c5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetPixelFormat
GetFontUnicodeRanges
GetDCPenColor
SetSystemPaletteUse
GetRandomRgn
GetNearestPaletteIndex
GetFontLanguageInfo
GetBkColor
GetPolyFillMode
UpdateColors
GetTextCharset
SetTextColor
GetClipRgn
SetTextAlign
GetSystemPaletteUse
SetPixel
user32
IsWindowUnicode
GetScrollPos
GetMenuItemCount
BeginPaint
MoveWindow
GetWindowLongA
GetKeyboardType
IsWindowEnabled
GetWindowContextHelpId
CheckDlgButton
GetDialogBaseUnits
EnableWindow
SendMessageA
DrawTextA
GetWindowDC
GetPropA
GetMenuContextHelpId
GetMenuItemID
GetQueueStatus
WindowFromDC
GetMenuState
GetMenuCheckMarkDimensions
ShowWindow
GetMenu
EndPaint
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
FlushFileBuffers
WriteConsoleW
SetStdHandle
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
SetFilePointerEx
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
GetModuleHandleA
GetProcAddress
SetFilePointer
GetFileType
GetCurrentProcess
QueryPerformanceCounter
WriteFile
FindClose
GetFileTime
GetCurrentProcessId
GetDriveTypeA
DeleteFileA
GlobalSize
GetTickCount
GetStdHandle
CloseHandle
FindResourceA
LockResource
IsDebuggerPresent
LoadResource
GetLastError
GetProcessHeap
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCommandLineA
IsProcessorFeaturePresent
GetModuleFileNameW
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetConsoleCP
GetConsoleMode
GetCurrentThread
GetCurrentThreadId
GetModuleFileNameA
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetEnvironmentVariableA
Sections
.text Size: 396KB - Virtual size: 395KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 34KB - Virtual size: 70KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE