Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_4566006bea1396eef657984bef3ff56b_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-17_4566006bea1396eef657984bef3ff56b_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_4566006bea1396eef657984bef3ff56b_bkransomware
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Size
651KB
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MD5
4566006bea1396eef657984bef3ff56b
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SHA1
71f7575a16d1aeaac0a766720d52ffe156ea563e
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SHA256
249eaae8d1ec6c8922faf18d203519e5678a56a5aa3746b26d82687829d8a0ca
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SHA512
40df6e4e2279468dcfc1de8bb7506017f81eb070224dd4856e7f7be81011061742401edd9d29ee4ed23e54a03ca8f063cdc026a576bb919e7e8ba2a8a1ade151
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SSDEEP
12288:NkEfGllOd7Mz2ZGZC1TvR5zwVTJNcUvVl6r6iZKUFghI:NkE+kMzYBdvRNwVXpNlliZKUqI
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-17_4566006bea1396eef657984bef3ff56b_bkransomware
Files
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2024-08-17_4566006bea1396eef657984bef3ff56b_bkransomware.exe windows:5 windows x86 arch:x86
2488b2f9ed37c99fb210045ec62e2526
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
GetModuleHandleA
GetLastError
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
ReadFile
Beep
Sleep
GetTimeZoneInformation
GetLocalTime
SetErrorMode
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
CloseHandle
SetLastError
GetCurrentThread
GetCurrentThreadId
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileAttributesExW
SetFilePointerEx
ReadConsoleW
GetFileType
GetStringTypeW
RaiseException
DeleteFileW
FlushFileBuffers
GetFullPathNameW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetStdHandle
WriteConsoleW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
SetEnvironmentVariableA
SetEndOfFile
SetEnvironmentVariableW
GetFullPathNameA
Sections
.text Size: 527KB - Virtual size: 526KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 42KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 36KB - Virtual size: 144KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 45KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ