Static task
static1
Behavioral task
behavioral1
Sample
2024-08-19_b13b2bb411a914e43880f660cce61fb3_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-19_b13b2bb411a914e43880f660cce61fb3_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-19_b13b2bb411a914e43880f660cce61fb3_bkransomware
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Size
504KB
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MD5
b13b2bb411a914e43880f660cce61fb3
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SHA1
f931791b0c3138a3c8b840c53f60050b0ed2fb8d
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SHA256
9d7b77e7b54de393c1d8989a1cea8e8ca0e04ae8c99a9af5f296c7f8d1e12b36
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SHA512
261aac843c9a8dfaa450dba5db57e190e8d5bf49b56872a24b523a2a7916cc0c1b139d5e7508bc90936f3ab4571f2bb80c4ca56562aeccbaf385510e8db18072
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SSDEEP
12288:ETxvwbdbzG4M5BSncVuWMeKbYMpzSV2ePc6b:ETx2hUBSncZMeGzNec
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-19_b13b2bb411a914e43880f660cce61fb3_bkransomware
Files
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2024-08-19_b13b2bb411a914e43880f660cce61fb3_bkransomware.exe windows:5 windows x86 arch:x86
39b63adff6800488d4a401dbc1ffabb0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetDeviceCaps
GetMetaRgn
SetSystemPaletteUse
UpdateColors
GetCurrentObject
GetTextColor
GetNearestPaletteIndex
GetClipRgn
GetGraphicsMode
GetTextCharsetInfo
GetMapMode
GetFontLanguageInfo
GetFontUnicodeRanges
SetTextCharacterExtra
GetPixelFormat
SetTextColor
user32
GetDlgItemInt
CallWindowProcA
MoveWindow
ShowWindow
SendMessageA
GetCursor
CheckDlgButton
BeginPaint
GetMenuItemCount
EndPaint
GetScrollPos
GetDlgItem
GetMenu
IsWindowUnicode
GetMenuState
GetWindowLongA
PostMessageA
WindowFromDC
EndDialog
LoadIconA
EnableWindow
GetMenuContextHelpId
SetDlgItemTextA
GetMenuItemID
GetPropA
GetWindowDC
GetMenuCheckMarkDimensions
GetQueueStatus
RemovePropA
GetWindowContextHelpId
DrawTextA
GetInputState
GetForegroundWindow
SetWindowTextA
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
WriteConsoleW
SetStdHandle
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
GetConsoleMode
GetConsoleCP
GetProcAddress
GetModuleHandleA
GetTickCount
GetVersion
DeleteFileA
FindClose
IsDebuggerPresent
GetCurrentProcess
GetLastError
GetDriveTypeA
GetFileTime
LocalFlags
GetCurrentThreadId
IsProcessorFeaturePresent
LockResource
GetCurrentProcessId
GetStdHandle
GlobalAlloc
GlobalSize
FlushFileBuffers
GlobalHandle
WriteFile
SizeofResource
CloseHandle
GetFileType
MoveFileA
SetFilePointer
QueryPerformanceCounter
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCommandLineA
GetProcessHeap
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
RtlUnwind
SetEnvironmentVariableA
Sections
.text Size: 454KB - Virtual size: 453KB
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: 23KB - Virtual size: 185KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE