Static task
static1
Behavioral task
behavioral1
Sample
2024-08-09_674456b60935b7736990dd7d4271ebfa_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-09_674456b60935b7736990dd7d4271ebfa_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-09_674456b60935b7736990dd7d4271ebfa_bkransomware
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Size
379KB
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MD5
674456b60935b7736990dd7d4271ebfa
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SHA1
5059e54156be8f00d07b587265b13bb547290f74
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SHA256
acd54a320a213fd54999b1af0f2866aedcda436b88a1f96efad966ecd3c68c1a
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SHA512
d57cce4357dc848110ebcc9ca08fff5b30a2329634bc3b90e4e085103d341149fbdfea2bce05af979d9036848c680dd4a50761d7b8b6dcbaf69628b9362fa611
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SSDEEP
6144:pECMJmvV0ChN+Wt3Nf7zk3HSfxMipeQvZ+muR0gCxygHdt9NA0pE2SjA9DQIJ:aofNhF7bMip3JuR0gCxVHhNFbUATJ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-09_674456b60935b7736990dd7d4271ebfa_bkransomware
Files
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2024-08-09_674456b60935b7736990dd7d4271ebfa_bkransomware.exe windows:5 windows x86 arch:x86
442d1c70f52c3492fdf9239b6fd435b7
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
GetBkColor
GetCurrentObject
GetGraphicsMode
GetMapMode
GetNearestColor
GetPixelFormat
GetPolyFillMode
GetRandomRgn
GetStretchBltMode
GetSystemPaletteUse
SetTextColor
SetTextJustification
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
GetKeyboardType
SetFocus
GetDialogBaseUnits
CheckDlgButton
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
MoveWindow
ShowWindow
CallWindowProcA
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
GetCurrentProcessId
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
RtlUnwind
GetConsoleMode
GetConsoleCP
GetCurrentThread
GetCPInfo
GetStdHandle
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileTime
GetFileType
SetFilePointer
WriteFile
IsDebuggerPresent
CloseHandle
GetLastError
QueryPerformanceCounter
GetProcessHeap
GetCurrentProcess
GetCurrentThreadId
IsProcessorFeaturePresent
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
SizeofResource
GlobalAlloc
GlobalSize
GlobalFlags
GlobalHandle
LocalFlags
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
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
SetEnvironmentVariableA
Sections
.text Size: 300KB - Virtual size: 299KB
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: 20KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ