Static task
static1
Behavioral task
behavioral1
Sample
2024-08-18_b657d1d35d87629585b4edca8dd1c2b2_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-18_b657d1d35d87629585b4edca8dd1c2b2_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-18_b657d1d35d87629585b4edca8dd1c2b2_bkransomware
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Size
669KB
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MD5
b657d1d35d87629585b4edca8dd1c2b2
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SHA1
852eb5f97b9a0eba442f1908e09dbe0e18b4a14c
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SHA256
0aa2a4363d264e61c1a11e289a61e167433d0933d67c2bac4107cca80b6a13bb
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SHA512
ad816c791de296e2511765a984e4de24f9e13c683c0a9f416d76dbb7fb4c62343c79312b93f062cbdf54ec4f1e28d518c2722e596299e90d044dd0a20cf19316
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SSDEEP
12288:nqVsecyI3d2Btvwi6EPabM9PT+2fXv2KTwjQj2mAjriYQ3I2f:nqVsecyItyIi6EPabM9DfXU82U3d
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-18_b657d1d35d87629585b4edca8dd1c2b2_bkransomware
Files
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2024-08-18_b657d1d35d87629585b4edca8dd1c2b2_bkransomware.exe windows:5 windows x86 arch:x86
8a2172548f383400e1731b337d82aa47
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
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetTempPathA
SetErrorMode
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessW
CreateProcessA
GetLocalTime
GetTempPathW
Beep
Sleep
HeapReAlloc
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetCurrentThread
GetCurrentThreadId
GetCurrentProcessId
GetStringTypeW
GetFileType
RaiseException
GetTimeZoneInformation
ReadFile
GetConsoleMode
ReadConsoleW
SetStdHandle
GetConsoleCP
GetFileAttributesExW
CreatePipe
MoveFileExW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetFilePointerEx
WaitForSingleObject
GetExitCodeProcess
FlushFileBuffers
GetModuleFileNameA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WriteConsoleW
SetEndOfFile
GetFullPathNameA
DeleteFileW
Sections
.text Size: 517KB - Virtual size: 516KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 54KB - Virtual size: 149KB
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