Static task
static1
Behavioral task
behavioral1
Sample
2024-06-28_970770c2875a856ce5d40105cc57e04e_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-28_970770c2875a856ce5d40105cc57e04e_bkransomware.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-28_970770c2875a856ce5d40105cc57e04e_bkransomware
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Size
562KB
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MD5
970770c2875a856ce5d40105cc57e04e
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SHA1
730d979f5e090b4ac0bb39032348a682c9e1d107
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SHA256
0b2bc6ee89b40216ab1493b5a4eb0f61a74d25c70179415119c10f43268264a0
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SHA512
da6978f59a4fb93dccf823acb52fbc94b6cdd18b52037908a3e78e5711e020bba87f20c20fa2b85475bdee47a09eafb4469a9e17823a62d7e3f83491f4016ce1
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SSDEEP
12288:8VdqrvvTk8fYtz3eZxi0RZycorzo50X+0ubQhvyY:8zsvLfezuZxiIuHVX+hQ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-28_970770c2875a856ce5d40105cc57e04e_bkransomware
Files
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2024-06-28_970770c2875a856ce5d40105cc57e04e_bkransomware.exe windows:5 windows x86 arch:x86
a96ad0bca7a7f2afe57aabea4f371598
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetPolyFillMode
GetFontUnicodeRanges
GetTextColor
GetMetaRgn
GetTextCharset
GetDCBrushColor
GetObjectType
GetTextCharsetInfo
SetSystemPaletteUse
GetPixelFormat
SetTextCharacterExtra
GetFontLanguageInfo
GetRandomRgn
GetStretchBltMode
GetTextAlign
SetTextColor
GetNearestPaletteIndex
GetBkColor
SetTextAlign
GetSystemPaletteUse
GetDCPenColor
GetNearestColor
GetTextCharacterExtra
user32
GetDC
IsWindowUnicode
GetWindowContextHelpId
SetWindowTextA
GetInputState
WindowFromDC
EndDialog
LoadIconA
GetMenuCheckMarkDimensions
SendMessageA
GetForegroundWindow
GetScrollPos
RemovePropA
GetQueueStatus
GetMenuContextHelpId
BeginPaint
GetCursor
GetPropA
GetMenuItemCount
DrawTextA
GetDlgItemInt
IsWindowEnabled
GetMenuItemID
CheckDlgButton
GetWindowDC
GetMenuState
SetFocus
ShowWindow
GetDlgItem
SetDlgItemTextA
EnableWindow
GetWindowLongA
GetMenu
kernel32
GetFullPathNameA
SetEnvironmentVariableA
SetEndOfFile
GetFileAttributesExW
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
SetStdHandle
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetModuleFileNameA
RaiseException
GetTimeZoneInformation
ReadConsoleW
DeleteFileW
FlushFileBuffers
SetFilePointerEx
GetStringTypeW
GetProcAddress
GetModuleHandleA
LockResource
GetCurrentProcessId
CloseHandle
GetCurrentThreadId
GetFileTime
DeleteFileA
GetCurrentProcess
GetTickCount
GetProcessHeap
IsDebuggerPresent
LocalFlags
GlobalHandle
GetLastError
GlobalAlloc
SetFilePointer
GetFileType
IsProcessorFeaturePresent
GetVersion
GetStdHandle
WriteFile
GetDriveTypeA
FindClose
MoveFileA
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
DuplicateHandle
CreateProcessA
GetLocalTime
SetErrorMode
ReadFile
GetCommandLineA
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
FileTimeToSystemTime
WaitForSingleObject
GetExitCodeProcess
CreatePipe
SetEnvironmentVariableW
Sections
.text Size: 499KB - Virtual size: 498KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 39KB - Virtual size: 39KB
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