Static task
static1
Behavioral task
behavioral1
Sample
2024-08-29_d44571bc366f2f888f3605e0ba5a160e_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-29_d44571bc366f2f888f3605e0ba5a160e_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-29_d44571bc366f2f888f3605e0ba5a160e_bkransomware
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Size
599KB
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MD5
d44571bc366f2f888f3605e0ba5a160e
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SHA1
fef3d60fc1cade4e5eb89f932a5c33afaed521e3
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SHA256
0dca79f8ea87f34befcaf01e9204837564ca1dcda6750eed8d47a2cb170e0e8b
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SHA512
c5e655a33dcfa5400449e33e5e4510f412ef9628861077671e78af2a036a2f53b623da6fa61f64e278d2c7fd72fb979f03ef9434cff9a8a06f9d9ebac8a37494
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SSDEEP
12288:mBhW8eZ1j2/W9YlIlvzgyHgPpvN0iS9GIUeWzmf+2K:p9YlIlrgjpv3SjUcK
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-29_d44571bc366f2f888f3605e0ba5a160e_bkransomware
Files
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2024-08-29_d44571bc366f2f888f3605e0ba5a160e_bkransomware.exe windows:5 windows x86 arch:x86
f751bd68532bf924666b0d0b6efeba84
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetRandomRgn
GetSystemPaletteUse
GetTextColor
GetTextCharacterExtra
GetPolyFillMode
SetTextColor
GetDCPenColor
GetNearestColor
GetMetaRgn
GetDCBrushColor
GetPixelFormat
GetTextCharset
GetNearestPaletteIndex
GetBkColor
GetDeviceCaps
GetStretchBltMode
GetObjectType
GetTextAlign
user32
SetFocus
CallWindowProcA
IsWindowEnabled
GetPropA
GetWindowContextHelpId
EndPaint
PostMessageA
LoadIconA
GetWindowDC
GetMenuItemCount
CheckDlgButton
SetWindowTextA
WindowFromDC
GetMenuCheckMarkDimensions
GetMenuContextHelpId
MoveWindow
DrawTextA
RemovePropA
GetWindowLongA
EndDialog
ShowWindow
GetMenu
GetInputState
SendMessageA
GetDialogBaseUnits
GetQueueStatus
IsWindowUnicode
SetDlgItemTextA
GetDC
GetScrollPos
EnableWindow
GetDlgItemInt
GetCursor
GetKeyboardType
GetDlgItem
GetMenuItemID
kernel32
GetFullPathNameA
SetEnvironmentVariableW
SetEndOfFile
GetTimeZoneInformation
CreateProcessA
CreateProcessW
GetExitCodeProcess
WaitForSingleObject
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
FlushFileBuffers
WriteConsoleW
SetStdHandle
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
GetFullPathNameW
RaiseException
GetFileAttributesExW
GetFileType
GetStringTypeW
ReadConsoleW
GetProcAddress
GetModuleHandleA
GetLastError
LockResource
SetFilePointer
GetVersion
IsProcessorFeaturePresent
CloseHandle
DeleteFileA
GetTickCount
GlobalHandle
GetCurrentProcess
GetProcessHeap
GetCurrentThreadId
MoveFileA
GlobalFlags
GetDriveTypeA
IsDebuggerPresent
GetCurrentProcessId
QueryPerformanceCounter
GetFileTime
FindResourceA
SizeofResource
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
SetErrorMode
DeleteCriticalSection
GetLocalTime
GetTempPathA
Beep
Sleep
GetCommandLineA
GetStdHandle
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
SetEnvironmentVariableA
Sections
.text Size: 529KB - Virtual size: 528KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE