Meltdown[.]exe

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General

Target

Meltdown.exe
Size

207KB
MD5

0aff838d96d59085ac2daf6d43e2c4f9
SHA1

30186c85edcadb87df9916f0387f66b137e2a535
SHA256

9610894b09d0730e63fa2c64672660c025b148437e729b3f558488a918ef699b
SHA512

47599ff49083b7316316f1acf9cd5d0ef71fe50d2a33b5284c8713865296fb87c890d22bef267ed1393d742298d6929efd2ba95cc9053e59b54df97b40440048
SSDEEP

3072:qm6Tj9MxSbR9pXQjXpFvaSx2+QXgYJMbTiLBdhnxVxOAJ/q:qBThXbR7OXpFpwXg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Meltdown.exe

Files

Meltdown.exe
.exe windows x64

580d7ca850d3aba7681251cc5962a2b7

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

Imports

kernel32

VirtualAlloc
GetProcAddress
LoadLibraryExW
LoadLibraryW
GetCommandLineA
IsDebuggerPresent
EncodePointer
DecodePointer
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwindEx
RaiseException
GetLastError
MultiByteToWideChar
WideCharToMultiByte
SetLastError
GetCurrentThread
GetCurrentThreadId
ExitProcess
GetModuleHandleExW
AreFileApisANSI
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
WriteFile
GetModuleFileNameW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetTickCount
GetModuleHandleW
CreateSemaphoreW
FatalAppExitA
HeapFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
HeapAlloc
VirtualQuery
FreeLibrary
SetConsoleCtrlHandler
OutputDebugStringW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapReAlloc
GetStringTypeW
SetFilePointerEx
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
CloseHandle
SetStdHandle
WriteConsoleW
CreateFileW

Sections

.text
Size: 138KB - Virtual size: 138KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 4KB - Virtual size: 3KB

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

580d7ca850d3aba7681251cc5962a2b7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 138KB - Virtual size: 138KB

.rdata Size: 46KB - Virtual size: 46KB

.data Size: 7KB - Virtual size: 38KB

.pdata Size: 6KB - Virtual size: 6KB

.idata Size: 4KB - Virtual size: 3KB

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

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 138KB - Virtual size: 138KB

.rdata
Size: 46KB - Virtual size: 46KB

.data
Size: 7KB - Virtual size: 38KB

.pdata
Size: 6KB - Virtual size: 6KB

.idata
Size: 4KB - Virtual size: 3KB

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

.reloc
Size: 2KB - Virtual size: 2KB