Static task
static1
Behavioral task
behavioral1
Sample
2024-07-07_5aa9437ea4a1ab7805f78d1bcf0aa8bf_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-07_5aa9437ea4a1ab7805f78d1bcf0aa8bf_bkransomware.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-07_5aa9437ea4a1ab7805f78d1bcf0aa8bf_bkransomware
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Size
558KB
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MD5
5aa9437ea4a1ab7805f78d1bcf0aa8bf
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SHA1
e7bec3eaa5ed2260b066b32402eabf1024d6a93d
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SHA256
b7d5b6b049b532ae228e2a07ae7c4ef8a5eb5a0b3c44c3307427d67fb8c5cf89
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SHA512
23e941fecb5e87474f83e18bfb0dba44a4031f91ba15157c55d290cdda54f2bcad4349fe11322f47decb31d4601ac29a4e440e44c2bf76c2196b78afc185613d
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SSDEEP
12288:YNVvyUtq4Hz+qyFD3H8tWqr57ev4Ph9lYMn07R:eV6minFD3HHq175p9lHn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-07_5aa9437ea4a1ab7805f78d1bcf0aa8bf_bkransomware
Files
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2024-07-07_5aa9437ea4a1ab7805f78d1bcf0aa8bf_bkransomware.exe windows:5 windows x86 arch:x86
b6f240594a1ac2c5d0ca742eef61ea01
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetCurrentObject
GetDCPenColor
GetFontUnicodeRanges
SetTextJustification
GetNearestPaletteIndex
GetRandomRgn
GetObjectType
GetPixelFormat
GetGraphicsMode
GetPolyFillMode
GetStretchBltMode
UpdateColors
SetTextColor
GetTextAlign
GetClipRgn
GetSystemPaletteUse
SetPixel
SetTextAlign
GetTextCharacterExtra
GetDCBrushColor
SetSystemPaletteUse
GetTextColor
user32
GetQueueStatus
GetDialogBaseUnits
GetMenuItemID
SetWindowTextA
WindowFromDC
GetMenuItemCount
GetWindowContextHelpId
GetInputState
GetCursor
GetPropA
CallWindowProcA
EndDialog
GetScrollPos
GetDC
GetDlgItemInt
GetForegroundWindow
GetMenuContextHelpId
PostMessageA
MoveWindow
SetDlgItemTextA
GetKeyboardType
GetWindowDC
IsWindowUnicode
GetWindowLongA
DrawTextA
GetDlgItem
GetMenuState
SetFocus
BeginPaint
IsWindowEnabled
ShowWindow
GetMenuCheckMarkDimensions
LoadIconA
GetMenu
CheckDlgButton
EndPaint
kernel32
SetEndOfFile
SetEnvironmentVariableW
CreateProcessA
GetExitCodeProcess
WaitForSingleObject
ReadConsoleW
ReadFile
WriteConsoleW
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
SetFilePointerEx
OutputDebugStringW
GetModuleFileNameA
SetStdHandle
RaiseException
GetFileAttributesExW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetStringTypeW
GetFileType
GetConsoleMode
GetConsoleCP
RtlUnwind
GetProcAddress
GetModuleHandleA
GlobalAlloc
GlobalFlags
GetVersion
GetLastError
DeleteFileA
LockResource
LocalFlags
FindClose
GlobalSize
LoadResource
SizeofResource
GetCurrentThreadId
MoveFileA
GlobalHandle
GetCurrentProcess
FlushFileBuffers
CloseHandle
GetTickCount
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
FindResourceA
IsProcessorFeaturePresent
SetFilePointer
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetLocalTime
GetTempPathA
GetTimeZoneInformation
GetFullPathNameA
GetCommandLineA
GetProcessHeap
GetStdHandle
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
SetEnvironmentVariableA
Sections
.text Size: 498KB - Virtual size: 497KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 22KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE