Static task
static1
Behavioral task
behavioral1
Sample
2024-06-20_c12dd717a8a1b3d5d606b762b9d1295d_bkransomware.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-20_c12dd717a8a1b3d5d606b762b9d1295d_bkransomware.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-20_c12dd717a8a1b3d5d606b762b9d1295d_bkransomware
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Size
585KB
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MD5
c12dd717a8a1b3d5d606b762b9d1295d
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SHA1
c3ebceeb1bb3de6f9e4b37590583c845f79fe1f0
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SHA256
7a88c7dad629ee227eaeaa8b052ddce3203f5a0b33a8f1faa021b2e7dca5bb77
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SHA512
518e28e3cbbd0683a58e0b6be25b56fe18c396e876b3278ccb614b05ffcb3b718b0b696ae620455d135c2ebcfc61d3f6c4dbbc35550cae6dc2716f2e15d27304
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SSDEEP
6144:OPHqGS+xLoSOpzIsP74EhXizmYzduHuIZd4IueHfRAHBkgbDocKMS6lMA5eUmlwf:Oy+xLBaWzMXLJ8Sgb2MS8he1lCjWI
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-20_c12dd717a8a1b3d5d606b762b9d1295d_bkransomware
Files
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2024-06-20_c12dd717a8a1b3d5d606b762b9d1295d_bkransomware.exe windows:5 windows x86 arch:x86
f02b759c347b8eda602eca71ee82726a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetDCPenColor
GetPolyFillMode
SetPixel
GetTextCharsetInfo
GetTextAlign
GetDCBrushColor
GetFontLanguageInfo
SetTextCharacterExtra
GetNearestPaletteIndex
GetFontUnicodeRanges
GetRandomRgn
GetStretchBltMode
GetSystemPaletteUse
SetTextAlign
GetTextCharset
user32
RemovePropA
ShowWindow
GetDialogBaseUnits
SetWindowTextA
GetPropA
GetWindowLongA
GetWindowDC
DrawTextA
SendMessageA
GetCursor
BeginPaint
GetForegroundWindow
GetMenuItemCount
CheckDlgButton
EndPaint
GetMenuItemID
GetMenuState
LoadIconA
GetMenuContextHelpId
GetQueueStatus
GetInputState
GetMenu
IsWindowEnabled
SetDlgItemTextA
GetKeyboardType
GetMenuCheckMarkDimensions
GetScrollPos
EndDialog
GetWindowContextHelpId
GetDlgItemInt
IsWindowUnicode
WindowFromDC
EnableWindow
SetFocus
GetDlgItem
PostMessageA
kernel32
SetEnvironmentVariableW
SetEndOfFile
CreateProcessA
ReadConsoleW
ReadFile
CreateProcessW
GetExitCodeProcess
WaitForSingleObject
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetModuleFileNameA
SetStdHandle
GetFileAttributesExW
GetStringTypeW
GetTimeZoneInformation
RaiseException
SetFilePointerEx
FileTimeToSystemTime
GetProcAddress
GetModuleHandleA
LocalFlags
GetLastError
IsDebuggerPresent
GlobalFlags
SetFilePointer
GlobalHandle
GlobalAlloc
IsProcessorFeaturePresent
GetCurrentThreadId
FindClose
GetFileType
GetStdHandle
GetCurrentProcess
FlushFileBuffers
FindResourceA
GetProcessHeap
GetVersion
GetDriveTypeA
DeleteFileA
GetCurrentProcessId
GetFileTime
MoveFileA
CloseHandle
GlobalSize
GetTickCount
LockResource
LoadResource
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetLocalTime
DeleteFileW
GetFullPathNameA
SetErrorMode
GetCommandLineA
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
SystemTimeToTzSpecificLocalTime
SetEnvironmentVariableA
Sections
.text Size: 532KB - Virtual size: 531KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE