Static task
static1
Behavioral task
behavioral1
Sample
2024-08-11_aca4b88193b6df5281dda9e333302877_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-11_aca4b88193b6df5281dda9e333302877_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-11_aca4b88193b6df5281dda9e333302877_bkransomware
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Size
606KB
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MD5
aca4b88193b6df5281dda9e333302877
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SHA1
5914ba681d37c464a2c195bf18cf54bff4851dc2
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SHA256
21b0cdbf4ce15a8606f103dc15ef5b9b607a0596a7160e6d36fc1055c3f0222f
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SHA512
df3431a8aab9727a81ca9f48198683fd6d6af0019235d8dc5e36ea2f92bf6a1a7b826be92035bbba0e47df7759b0f083a57b8de7499b0bd6cb9cbfc078f7dde5
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SSDEEP
12288:TZpFLY7soBNomZ+V0vGiNRl6y6lY/YCk:tphY7sjXV1iV6XlY/O
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-11_aca4b88193b6df5281dda9e333302877_bkransomware
Files
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2024-08-11_aca4b88193b6df5281dda9e333302877_bkransomware.exe windows:5 windows x86 arch:x86
80e02d32eb3b981c576297dfb852201f
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
GetClipRgn
GetMetaRgn
GetCurrentObject
GetDeviceCaps
GetGraphicsMode
GetMapMode
GetNearestColor
GetNearestPaletteIndex
GetObjectType
GetRandomRgn
GetStretchBltMode
GetTextColor
GetTextCharset
GetTextCharsetInfo
GetFontLanguageInfo
SetPixel
SetTextCharacterExtra
SetTextColor
SetTextAlign
SetTextJustification
UpdateColors
user32
LoadIconA
GetWindowLongA
GetCursor
GetWindowContextHelpId
SetWindowTextA
RemovePropA
GetPropA
GetScrollPos
EndPaint
BeginPaint
GetWindowDC
GetDC
WindowFromDC
GetForegroundWindow
DrawTextA
GetMenuCheckMarkDimensions
GetMenuItemCount
GetMenuItemID
GetMenuState
GetMenu
EnableWindow
IsWindowUnicode
GetQueueStatus
GetInputState
SetFocus
GetDialogBaseUnits
SetDlgItemTextA
GetDlgItemInt
GetDlgItem
EndDialog
MoveWindow
ShowWindow
CallWindowProcA
PostMessageA
SendMessageA
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
GetModuleFileNameA
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
FindFirstFileExW
RtlUnwind
GetConsoleMode
GetConsoleCP
GetStdHandle
DeleteFileA
FindClose
FlushFileBuffers
GetDriveTypeA
GetFileType
SetFilePointer
IsDebuggerPresent
GetLastError
QueryPerformanceCounter
GetProcessHeap
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
IsProcessorFeaturePresent
GetTickCount
GetModuleHandleA
GetProcAddress
LoadResource
LockResource
SizeofResource
GlobalAlloc
GlobalSize
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
WriteFile
GetModuleFileNameW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
CloseHandle
SetEnvironmentVariableA
Sections
.text Size: 521KB - Virtual size: 521KB
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: 19KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 39KB - Virtual size: 38KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ