Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_a4172fed1b4ac7aa8a3d89a415bcad12_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-13_a4172fed1b4ac7aa8a3d89a415bcad12_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_a4172fed1b4ac7aa8a3d89a415bcad12_bkransomware
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Size
503KB
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MD5
a4172fed1b4ac7aa8a3d89a415bcad12
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SHA1
385b18795e179cf93c5778c35fe0fd9d6eaf5743
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SHA256
36757621e47637ddf7508761daba9aef3a373d979174a9ab9ee3ffbd0a02792d
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SHA512
7af46e3c5460461a5f0103a74bdd634e25812d346b4209ecc6e735efec11c4ab8a06a872837a6e31cc58fffd4279874f7df3442b6e31612a5b1d41b8ead3de03
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SSDEEP
12288:7wyiupJapfD41W18K47+Ux9LqUY3RlbaPkheKK:pJYfD41Wqpxeckh
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_a4172fed1b4ac7aa8a3d89a415bcad12_bkransomware
Files
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2024-09-13_a4172fed1b4ac7aa8a3d89a415bcad12_bkransomware.exe windows:5 windows x86 arch:x86
a53765c7a610c3dc9c46835279a91142
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetBkColor
GetDCBrushColor
SetTextColor
GetClipRgn
UpdateColors
GetFontUnicodeRanges
GetPixelFormat
SetSystemPaletteUse
SetPixel
GetGraphicsMode
user32
GetMenuContextHelpId
ShowWindow
GetMenuState
GetMenuItemID
EndPaint
GetDlgItemInt
GetWindowLongA
LoadIconA
RemovePropA
GetWindowDC
GetMenu
GetCursor
BeginPaint
GetMenuCheckMarkDimensions
GetKeyboardType
SendMessageA
SetDlgItemTextA
PostMessageA
GetQueueStatus
GetDlgItem
SetWindowTextA
GetInputState
MoveWindow
EndDialog
WindowFromDC
DrawTextA
EnableWindow
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
SetStdHandle
SetFilePointerEx
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetProcAddress
GetModuleHandleA
LocalFlags
GetCurrentThreadId
QueryPerformanceCounter
LoadResource
GlobalAlloc
GetProcessHeap
FindResourceA
FindClose
SetFilePointer
GetFileType
MoveFileA
SizeofResource
FlushFileBuffers
GetCurrentProcess
GlobalFlags
GlobalHandle
GetLastError
DeleteFileA
WriteFile
GetDriveTypeA
GetTickCount
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
IsProcessorFeaturePresent
GetStdHandle
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
CloseHandle
SetLastError
GetCurrentThread
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
GetModuleFileNameA
GetCurrentProcessId
SetEnvironmentVariableA
Sections
.text Size: 440KB - Virtual size: 439KB
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: 174KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE