Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_58ee44744676e2f46f23791a6f5bc0ee_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-13_58ee44744676e2f46f23791a6f5bc0ee_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_58ee44744676e2f46f23791a6f5bc0ee_bkransomware
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Size
587KB
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MD5
58ee44744676e2f46f23791a6f5bc0ee
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SHA1
b8977d4e0a4670c8cbc1549c70bde29bb39ddfda
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SHA256
77ca80dce3adcfbebd681f32dace5bb0cdd15ea213fb1cc80fcca46aeb037d58
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SHA512
677b55589ce60da34ba18b5465fb9368b8cff6df97ff421426dc8449fad499e788433301a62e98d913d5bccb54eebf64d1c07437c7e1158bdd2a8d5464f5298b
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SSDEEP
12288:BcaM7X69DH2SHSdALpBtVcfm2vLALEuoIImAR4Ec1TM1:B7XH2SHSdAJAmUSvoILic
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_58ee44744676e2f46f23791a6f5bc0ee_bkransomware
Files
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2024-09-13_58ee44744676e2f46f23791a6f5bc0ee_bkransomware.exe windows:5 windows x86 arch:x86
a74c662d4464b356990298318175f154
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetObjectType
GetNearestColor
GetNearestPaletteIndex
GetPolyFillMode
GetRandomRgn
GetGraphicsMode
GetStretchBltMode
SetTextCharacterExtra
SetPixel
GetPixelFormat
GetSystemPaletteUse
GetTextCharacterExtra
SetTextJustification
GetTextAlign
GetTextColor
GetCurrentObject
GetTextCharset
GetTextCharsetInfo
GetBkColor
GetFontLanguageInfo
GetDCBrushColor
GetDCPenColor
GetFontUnicodeRanges
SetSystemPaletteUse
SetTextColor
user32
GetMenuItemCount
GetDlgItemInt
EndPaint
GetPropA
CallWindowProcA
GetKeyboardType
IsWindowEnabled
GetInputState
BeginPaint
GetWindowLongA
GetDialogBaseUnits
GetMenuCheckMarkDimensions
GetDC
DrawTextA
RemovePropA
GetMenuState
LoadIconA
SetWindowTextA
ShowWindow
GetDlgItem
CheckDlgButton
SetDlgItemTextA
GetMenuContextHelpId
IsWindowUnicode
GetMenu
GetWindowDC
GetWindowContextHelpId
MoveWindow
GetMenuItemID
SetFocus
GetScrollPos
WindowFromDC
GetQueueStatus
SendMessageA
GetCursor
PostMessageA
kernel32
SetEnvironmentVariableW
SetEndOfFile
GetFullPathNameA
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
SetStdHandle
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetModuleFileNameA
RaiseException
GetExitCodeProcess
WaitForSingleObject
ReadConsoleW
ReadFile
GetFileAttributesExW
CreatePipe
GetFileType
GetStringTypeW
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetProcAddress
GetModuleHandleA
GlobalHandle
DeleteFileA
GlobalAlloc
GetTickCount
GetCurrentThreadId
MoveFileA
GetCurrentProcess
LoadResource
FindResourceA
IsDebuggerPresent
IsProcessorFeaturePresent
FindClose
SetFilePointer
GlobalFlags
LockResource
GetLastError
GetFileTime
GetCurrentProcessId
FlushFileBuffers
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetLocalTime
GetTempPathA
CloseHandle
DuplicateHandle
CreateProcessW
SetErrorMode
GetTimeZoneInformation
CreateProcessA
GetFullPathNameW
GetCommandLineA
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindFirstFileExW
GetDriveTypeW
SetEnvironmentVariableA
Sections
.text Size: 521KB - Virtual size: 520KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 24KB - Virtual size: 122KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE