Static task
static1
Behavioral task
behavioral1
Sample
2024-10-03_98aa639ba54d4b56b17dfbb04efa3485_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-03_98aa639ba54d4b56b17dfbb04efa3485_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-03_98aa639ba54d4b56b17dfbb04efa3485_bkransomware
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Size
666KB
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MD5
98aa639ba54d4b56b17dfbb04efa3485
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SHA1
8d763cf6af283f169e81825a44842905e29de14e
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SHA256
e084da9c71898abc87cb1466677f84b3bc70fde4239696f84e1900e370005f38
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SHA512
af7d46c5061c6e07ea98033f4046003e77c160aa69500488e97925da39b7c75a396f2c901981bf36bbd031fdbf8bd18a6484ed162029ff87079a0e87b6454a03
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SSDEEP
12288:b1rIzfztr/dtMM2tNyiJ4suY4+NPA9PuLRFWHDDFOA:JrIbztdtMM2tNy84LWN+WN0PFOA
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-03_98aa639ba54d4b56b17dfbb04efa3485_bkransomware
Files
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2024-10-03_98aa639ba54d4b56b17dfbb04efa3485_bkransomware.exe windows:5 windows x86 arch:x86
5f14251dffc11c7d46c7fafd296e1103
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
GetTempPathA
Beep
Sleep
GetFullPathNameW
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessA
DeleteFileW
GetTimeZoneInformation
GetLocalTime
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
SetLastError
GetCurrentThread
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetCurrentProcessId
MoveFileExW
FlushFileBuffers
GetStringTypeW
ReadFile
WaitForSingleObject
GetExitCodeProcess
CreatePipe
GetFileType
SetFilePointerEx
SetEnvironmentVariableA
SetEnvironmentVariableW
ReadConsoleW
RaiseException
SetStdHandle
GetModuleFileNameA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
WriteConsoleW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
GetFileAttributesExW
GetFullPathNameA
SetEndOfFile
Sections
.text Size: 528KB - Virtual size: 528KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 48KB - Virtual size: 228KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ