Static task
static1
Behavioral task
behavioral1
Sample
2024-08-18_b346c3594c23c309a7d433be252023b1_bkransomware.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-08-18_b346c3594c23c309a7d433be252023b1_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-18_b346c3594c23c309a7d433be252023b1_bkransomware
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Size
590KB
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MD5
b346c3594c23c309a7d433be252023b1
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SHA1
88e33f7b0ab97bb52d6668a8e4ae11516efd971c
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SHA256
e5a0b6b31e81f5817e7736b36bab8177ab7cec620171e59c0d21df0f060d7032
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SHA512
199961750817fdda93e6063cdbd0f35b96c17281cf9e63a6a9f0b332c2fe0ac17cc41e563e3d08f85b2b0929138409c59154a55913cf25530568ee62348fe1cb
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SSDEEP
12288:A2aflRgcZju4YP3+9lwc+8Al7UymJJttH8qiKAv:Taflmm9yswGAl7UHJJP8qa
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-18_b346c3594c23c309a7d433be252023b1_bkransomware
Files
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2024-08-18_b346c3594c23c309a7d433be252023b1_bkransomware.exe windows:5 windows x86 arch:x86
ab813d1a0a68380ad2c7d636784ef6f9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetGraphicsMode
GetMapMode
GetTextAlign
GetDeviceCaps
SetTextCharacterExtra
GetPolyFillMode
GetClipRgn
GetTextColor
GetObjectType
SetSystemPaletteUse
GetStretchBltMode
GetTextCharset
GetNearestColor
SetPixel
GetPixelFormat
SetTextJustification
GetTextCharsetInfo
GetFontLanguageInfo
GetDCPenColor
SetTextColor
GetNearestPaletteIndex
user32
GetDialogBaseUnits
GetMenuContextHelpId
RemovePropA
GetWindowContextHelpId
GetMenu
ShowWindow
CheckDlgButton
GetMenuItemCount
IsWindowEnabled
GetCursor
GetMenuItemID
GetWindowLongA
SetWindowTextA
SetDlgItemTextA
IsWindowUnicode
GetMenuState
SendMessageA
GetScrollPos
GetForegroundWindow
GetPropA
GetWindowDC
MoveWindow
EnableWindow
GetKeyboardType
EndPaint
GetDlgItem
SetFocus
EndDialog
CallWindowProcA
GetQueueStatus
GetDlgItemInt
GetInputState
GetMenuCheckMarkDimensions
kernel32
CreateProcessA
GetExitCodeProcess
WaitForSingleObject
GetFullPathNameA
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
FlushFileBuffers
WriteConsoleW
SetFilePointerEx
OutputDebugStringW
GetModuleFileNameA
GetTimeZoneInformation
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetStringTypeW
SetEnvironmentVariableW
SetEnvironmentVariableA
ReadConsoleW
ReadFile
RaiseException
GetFileAttributesExW
GetProcAddress
GetModuleHandleA
GlobalSize
LocalFlags
CloseHandle
GetCurrentProcess
IsProcessorFeaturePresent
GlobalFlags
GlobalHandle
GetCurrentProcessId
GetVersion
DeleteFileA
GetFileTime
MoveFileA
GetTickCount
GetDriveTypeA
IsDebuggerPresent
SetFilePointer
GetCurrentThreadId
LockResource
GetLastError
QueryPerformanceCounter
LoadResource
WriteFile
SizeofResource
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetFullPathNameW
DeleteFileW
DeleteCriticalSection
GetTempPathW
GetCommandLineA
GetProcessHeap
GetStdHandle
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetStdHandle
GetFileType
SetEndOfFile
Sections
.text Size: 515KB - Virtual size: 514KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE