Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_4b39faa3e5f566ea5115711930993419_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-13_4b39faa3e5f566ea5115711930993419_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_4b39faa3e5f566ea5115711930993419_bkransomware
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Size
374KB
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MD5
4b39faa3e5f566ea5115711930993419
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SHA1
eb623014ef2e93100928a71b6e3f60ef075c6b72
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SHA256
0300c0fe90efe661d160135cf61acf1dd6b72768d5760702852c583f49073547
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SHA512
bfc4ef2a6c98a87f0f792d1bc38fb6b5036bb0a012418235cdedac61dfe122a40acb004b51e5367c6342d5e1b8b3ef33a869f23e24a88b71bb9577a5e003145d
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SSDEEP
6144:RL50L9ZD2h0KkX9zNIcuXx/Gu1G4/gkVbEPXwu:JmLX2hjE1NIcIx/G+GzkGgu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_4b39faa3e5f566ea5115711930993419_bkransomware
Files
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2024-09-13_4b39faa3e5f566ea5115711930993419_bkransomware.exe windows:5 windows x86 arch:x86
f98179ecade09deb336f6c145a7bbce6
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
GetDCBrushColor
GetDCPenColor
GetClipRgn
GetMetaRgn
GetCurrentObject
GetDeviceCaps
GetGraphicsMode
GetMapMode
GetNearestColor
GetNearestPaletteIndex
GetObjectType
GetPixelFormat
GetPolyFillMode
GetRandomRgn
GetTextCharacterExtra
GetTextAlign
GetTextColor
GetTextCharset
SetPixel
SetSystemPaletteUse
SetTextColor
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetKeyboardType
SetFocus
GetDialogBaseUnits
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
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
GetConsoleMode
GetConsoleCP
RtlUnwind
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileType
SetFilePointer
IsDebuggerPresent
CloseHandle
GetLastError
QueryPerformanceCounter
GetProcessHeap
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
SizeofResource
GlobalAlloc
GlobalSize
LocalFlags
FindResourceA
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
WriteFile
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
SetEnvironmentVariableA
Sections
.text Size: 296KB - Virtual size: 296KB
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: 19KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ