Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_8a377ac25947362a3f0dce4b5114c2d7_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-13_8a377ac25947362a3f0dce4b5114c2d7_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_8a377ac25947362a3f0dce4b5114c2d7_bkransomware
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Size
595KB
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MD5
8a377ac25947362a3f0dce4b5114c2d7
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SHA1
7a79f220a520e8b471e2b92636ca02cd099d248e
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SHA256
354abd7241c1c9485e60e1be963e212d8093560d4c34e29d6191a560b1354447
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SHA512
f252386cadb74b7199e40d44b3525a39abe24ed26fe2ba51c514caa62e506348d7d4f4829f1eb0a6e08f4ac0ec3cec65e83f6a673cc63dd07260448e3602acf9
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SSDEEP
12288:BtZZtcSahbXS3x+WYnjealkJXKQnWJSno6:vZzahjS30njIUQtl
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_8a377ac25947362a3f0dce4b5114c2d7_bkransomware
Files
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2024-09-13_8a377ac25947362a3f0dce4b5114c2d7_bkransomware.exe windows:5 windows x86 arch:x86
461dbcdbaed4ef39b864f2500e9be2d8
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
GetMetaRgn
GetDeviceCaps
GetMapMode
GetObjectType
GetPolyFillMode
GetStretchBltMode
GetSystemPaletteUse
GetTextCharacterExtra
GetTextAlign
GetTextCharset
GetTextCharsetInfo
GetFontUnicodeRanges
SetPixel
SetTextCharacterExtra
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetMenuContextHelpId
GetWindowContextHelpId
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
WindowFromDC
GetForegroundWindow
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
IsWindowEnabled
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
SetFocus
GetDialogBaseUnits
CheckDlgButton
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
MoveWindow
CallWindowProcA
PostMessageA
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
QueryPerformanceCounter
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
DeleteFileA
FindClose
GetDriveTypeA
GetFileTime
GetFileType
SetFilePointer
IsDebuggerPresent
CloseHandle
GetLastError
GetProcessHeap
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetVersion
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
GlobalAlloc
GlobalFlags
GlobalHandle
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
GetStdHandle
WriteFile
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
FlushFileBuffers
GetConsoleCP
GetConsoleMode
RtlUnwind
FindFirstFileExW
SetEnvironmentVariableA
Sections
.text Size: 510KB - Virtual size: 510KB
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: 20KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ