Static task
static1
Behavioral task
behavioral1
Sample
2024-06-30_ef7982cb405bc67fc918eb097d77ac6a_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-30_ef7982cb405bc67fc918eb097d77ac6a_bkransomware.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-30_ef7982cb405bc67fc918eb097d77ac6a_bkransomware
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Size
502KB
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MD5
ef7982cb405bc67fc918eb097d77ac6a
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SHA1
664f9052df06ef80a550631e0ef221bda6551c3b
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SHA256
7e113136147100cb1eb50bf12d89bf71e57e9ca93ffaedad2996ab7a22f12391
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SHA512
4e8e0a4b25d15af628b6ff7e329f3b8aa7d2fa942b6783e5e7debfd435ac6cdff3e4272d68d9bf66580bcbedb7d94f122d51ae02400abdd8f64848931d5649cd
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SSDEEP
6144:IqTuccJMRWir14XuWzz9O1fqF7NSOqLskXDrq9JVjNzwMcqrXfcrc2Cd5dYhn5:IqyDji2LzsfqGRRuXVRkDqrXfLs
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-30_ef7982cb405bc67fc918eb097d77ac6a_bkransomware
Files
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2024-06-30_ef7982cb405bc67fc918eb097d77ac6a_bkransomware.exe windows:5 windows x86 arch:x86
ae721b85d81c4fe5dbed9dcccfdabcbb
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetStretchBltMode
GetTextColor
GetNearestColor
GetDCPenColor
GetRandomRgn
GetNearestPaletteIndex
GetTextAlign
GetObjectType
GetTextCharsetInfo
GetFontLanguageInfo
GetMetaRgn
GetCurrentObject
GetGraphicsMode
UpdateColors
user32
GetWindowLongA
GetMenuContextHelpId
GetMenuItemID
GetMenuState
GetCursor
GetWindowDC
ShowWindow
GetForegroundWindow
GetDialogBaseUnits
SendMessageA
CallWindowProcA
DrawTextA
GetScrollPos
GetMenuCheckMarkDimensions
EndDialog
EnableWindow
GetDlgItem
GetDlgItemInt
WindowFromDC
IsWindowEnabled
PostMessageA
GetMenu
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
FlushFileBuffers
WriteConsoleW
SetStdHandle
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetProcAddress
GlobalFlags
QueryPerformanceCounter
GetCurrentThreadId
GetStdHandle
GetLastError
GlobalHandle
IsDebuggerPresent
DeleteFileA
MoveFileA
GetTickCount
GetModuleHandleA
GetVersion
LockResource
WriteFile
GetProcessHeap
SetFilePointer
CloseHandle
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCommandLineA
IsProcessorFeaturePresent
GetModuleFileNameW
SetLastError
GetCurrentThread
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
RtlUnwind
GetConsoleCP
GetConsoleMode
GetFileType
GetModuleFileNameA
GetCurrentProcessId
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetFilePointerEx
FileTimeToLocalFileTime
GetFileInformationByHandle
SetEnvironmentVariableA
Sections
.text Size: 439KB - Virtual size: 438KB
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: 37KB - Virtual size: 142KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE