Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_4526fa82ddd36a6e70663180d47555b6_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-10-05_4526fa82ddd36a6e70663180d47555b6_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-05_4526fa82ddd36a6e70663180d47555b6_bkransomware
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Size
471KB
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MD5
4526fa82ddd36a6e70663180d47555b6
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SHA1
451a86652084d1120810c60242cda422365658ff
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SHA256
101a9a7cab95a43daa2f751e887fe867112c2701d9b1d78f7800f74a2b13c944
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SHA512
adb1216a039fbe1df49570219c3c2243421b40b2c9f753ef2fe292d6d519bd1f14e72010bc6d6eb5977682159c22dc5c01757b2724863a0645846069f2154a8d
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SSDEEP
12288:e2qvX2lu6OV/dvmUwAiDaRtp2BY6Z7i7pjY3fh:e2WX2lu6OV/duUtR837ypjYv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-05_4526fa82ddd36a6e70663180d47555b6_bkransomware
Files
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2024-10-05_4526fa82ddd36a6e70663180d47555b6_bkransomware.exe windows:5 windows x86 arch:x86
29d25a3aa69ae87634b379ce6142e15a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetFontUnicodeRanges
GetDCBrushColor
SetSystemPaletteUse
GetTextColor
SetTextColor
GetTextAlign
GetNearestColor
GetClipRgn
GetPolyFillMode
GetTextCharset
user32
GetWindowLongA
GetMenuCheckMarkDimensions
IsWindowUnicode
IsWindowEnabled
GetScrollPos
GetMenu
GetKeyboardType
BeginPaint
GetInputState
SendMessageA
GetMenuItemCount
SetFocus
PostMessageA
SetDlgItemTextA
GetDlgItemInt
CheckDlgButton
GetCursor
GetWindowContextHelpId
WindowFromDC
GetMenuItemID
EndDialog
GetDlgItem
LoadIconA
GetPropA
GetMenuState
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
WriteConsoleW
SetStdHandle
SetFilePointerEx
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
OutputDebugStringW
GetProcAddress
GetModuleHandleA
LocalFlags
GetProcessHeap
GetVersion
GetCurrentThreadId
GetCurrentProcessId
IsDebuggerPresent
GetTickCount
IsProcessorFeaturePresent
GetCurrentProcess
WriteFile
MoveFileA
DeleteFileA
GetLastError
CloseHandle
LoadResource
GlobalFlags
QueryPerformanceCounter
GetDriveTypeA
FlushFileBuffers
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCommandLineA
GetStdHandle
GetModuleFileNameW
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
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
RtlUnwind
GetCurrentThread
GetConsoleCP
GetConsoleMode
GetFileType
GetModuleFileNameA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
Sections
.text Size: 395KB - Virtual size: 394KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 50KB - Virtual size: 104KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE