Static task
static1
Behavioral task
behavioral1
Sample
2024-08-18_3ffa3d4ca4b0de1415d40bc52edf8ab2_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-18_3ffa3d4ca4b0de1415d40bc52edf8ab2_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-18_3ffa3d4ca4b0de1415d40bc52edf8ab2_bkransomware
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Size
500KB
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MD5
3ffa3d4ca4b0de1415d40bc52edf8ab2
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SHA1
50a2c318eef44504d5a1c41ef584673e812b4777
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SHA256
6e3669313475cf53522638d81dd17d59a9c421747ffa9fd9d83c6a012e6e14e1
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SHA512
73ec11a7f60c21ff516de5dc50e4911d59d53f565dd356763e994b28ef7460ee5ace2bb3e03999b3c12a83a6e9938e90977d0a72017c54301486eb3ba41d2cb8
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SSDEEP
12288:nfBGmfWeuYdfBPqQ/6bhktUW6mBstH8rmg30:fBzu5YdfBPqQ/6dkSW6mKp8qj
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-18_3ffa3d4ca4b0de1415d40bc52edf8ab2_bkransomware
Files
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2024-08-18_3ffa3d4ca4b0de1415d40bc52edf8ab2_bkransomware.exe windows:5 windows x86 arch:x86
99683e4369a4c88e1d49a11a7e8b282d
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
SetSystemPaletteUse
GetTextCharsetInfo
GetSystemPaletteUse
GetPolyFillMode
GetDCBrushColor
GetRandomRgn
GetDCPenColor
GetStretchBltMode
GetTextCharacterExtra
SetTextAlign
SetTextColor
GetNearestColor
GetBkColor
user32
GetDlgItemInt
IsWindowEnabled
GetDialogBaseUnits
BeginPaint
GetMenuCheckMarkDimensions
WindowFromDC
SetWindowTextA
CallWindowProcA
EndDialog
GetMenuState
GetWindowContextHelpId
PostMessageA
RemovePropA
GetForegroundWindow
EndPaint
ShowWindow
MoveWindow
GetQueueStatus
GetDlgItem
GetWindowDC
GetPropA
SetFocus
GetMenuContextHelpId
DrawTextA
GetMenuItemCount
LoadIconA
GetMenuItemID
GetDC
GetCursor
GetScrollPos
CheckDlgButton
GetInputState
GetWindowLongA
SetDlgItemTextA
SendMessageA
EnableWindow
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
WriteConsoleW
SetStdHandle
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
SetFilePointerEx
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
GetFileType
FlushFileBuffers
GetConsoleMode
GetConsoleCP
RtlUnwind
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
IsDebuggerPresent
GlobalHandle
GetModuleHandleA
GetProcessHeap
GetVersion
GetCurrentThreadId
GetCurrentProcess
CloseHandle
GlobalAlloc
GlobalFlags
GetCurrentProcessId
DeleteFileA
SizeofResource
FindClose
GetTickCount
QueryPerformanceCounter
SetFilePointer
LockResource
MoveFileA
GetProcAddress
LocalFlags
IsProcessorFeaturePresent
GetLastError
LoadResource
HeapFree
HeapAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetSystemTimeAsFileTime
HeapReAlloc
GetCommandLineA
GetStdHandle
WriteFile
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
FindFirstFileExW
SetEnvironmentVariableA
Sections
.text Size: 451KB - Virtual size: 450KB
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: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE