bootsectoroverwriter[.]exe

Sharing

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General

Target

bootsectoroverwriter.exe
Size

2.0MB
MD5

8e48475de6e50ff296f8ae84af5a54d9
SHA1

d41c7d9cb22f9b4cd7a45078cddb55efadaeabb9
SHA256

5861843a24c17e764f4a7e84647da7337851cdbfdc695a552463b5b9d2013f64
SHA512

36bf2c19c94a89230d4bfda6bacef2e44c822b9cd38242cb0f4b4744c979dfbb1e062cff4c0d972305a0a8fd07af069ac5b3a2c6be0feb4547c37c93fd933512
SSDEEP

24576:RLHIK5CuPBy441Yk11PMSaUHnMYfAp84:NHIeCuP8441b1Oo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bootsectoroverwriter.exe

Files

bootsectoroverwriter.exe
.exe windows:6 windows x64 arch:x64

df2a75032411864e2baddfc199369bcd

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\Users\kafer\source\repos\bootsectoroverwriter\x64\Debug\bootsectoroverwriter.pdb

Imports

kernel32

CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
FormatMessageA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
LocalFree
GetLocaleInfoEx
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
SetFileInformationByHandle
GetTempPathW
InitOnceExecuteOnce
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
CreateSymbolicLinkW
GetStringTypeW
CompareStringEx
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
RaiseException
GetCurrentProcessId
InitializeSListHead
GetStartupInfoW
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
RtlPcToFileHeader
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
HeapSize
HeapValidate
GetSystemInfo
GetModuleHandleExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetStdHandle
WriteFile
ExitProcess
GetCommandLineA
GetCommandLineW
GetCurrentThread
HeapReAlloc
HeapQueryInformation
GetFileType
OutputDebugStringW
WriteConsoleW
SetConsoleCtrlHandler
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
GetTimeZoneInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
CreateFileW
RtlUnwind

Sections

.textbss
Size: - Virtual size: 775KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 312KB - Virtual size: 312KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 81KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 512B - Virtual size: 390B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 373B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

df2a75032411864e2baddfc199369bcd

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.textbss Size: - Virtual size: 775KB

.text Size: 1.6MB - Virtual size: 1.6MB

.rdata Size: 312KB - Virtual size: 312KB

.data Size: 10KB - Virtual size: 22KB

.pdata Size: 81KB - Virtual size: 81KB

.idata Size: 6KB - Virtual size: 5KB

.msvcjmc Size: 512B - Virtual size: 390B

.00cfg Size: 512B - Virtual size: 373B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 12KB - Virtual size: 11KB

.textbss
Size: - Virtual size: 775KB

.text
Size: 1.6MB - Virtual size: 1.6MB

.rdata
Size: 312KB - Virtual size: 312KB

.data
Size: 10KB - Virtual size: 22KB

.pdata
Size: 81KB - Virtual size: 81KB

.idata
Size: 6KB - Virtual size: 5KB

.msvcjmc
Size: 512B - Virtual size: 390B

.00cfg
Size: 512B - Virtual size: 373B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 12KB - Virtual size: 11KB