overwriteb[.]exe

Sharing

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General

Target

overwriteb.exe
Size

1.2MB
MD5

a70ff1b38ed596cd68140c9086b66fec
SHA1

d75406c704d4d5fb057eadd1c3571042100d701b
SHA256

5aa9ad92a96fc7bea38e9d24c6a245c56049e86b4338761018c718219484c065
SHA512

9d466c72b38fe412a1cde2a136d04aa8c3aace880992db786d91b940610027769cf1f9e1a12035f3716ff6f78662fa4c7492956c8343bb46400eeac74d21b7f9
SSDEEP

12288:urKmBpMTqnYx6IZ7aUXYXVeCHkAVz5CntHsh9Z+DX87Kf+iXhhnCkAclRXhyxVUU:KBpMTqnYx6IZ7aU0VuMKf7nCkAMJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
overwriteb.exe

Files

overwriteb.exe
.exe windows:6 windows x64 arch:x64

2ab9539f584268b87a5af7498c44974f

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\overwriteb\x64\Debug\overwriteb.pdb

Imports

kernel32

ExitProcess
CreateThread
FreeConsole
CreateFileW
Sleep
ReadFile
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
CloseHandle
WriteFile
ReadConsoleW
CreateFileA
SetFilePointerEx
GetFileSizeEx
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetCurrentThreadId
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
GetStartupInfoW
GetModuleHandleW
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
GetProcAddress
RtlPcToFileHeader
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
SetLastError
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
GetStdHandle
GetCommandLineA
GetCommandLineW
HeapSize
HeapValidate
GetSystemInfo
GetCurrentThread
GetFileType
OutputDebugStringW
WriteConsoleW
SetConsoleCtrlHandler
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
HeapReAlloc
HeapQueryInformation
RtlUnwind

user32

GetDC
GetSystemMetrics
ReleaseDC
MessageBoxA
LoadImageW
LoadIconW
EnumWindows
GetWindowTextLengthW
SetWindowTextW
DrawIcon
IsWindowVisible

gdi32

SetTextColor
SetBkColor
TextOutA
BitBlt
SelectObject
CreateSolidBrush

shell32

ShellExecuteA

Sections

.textbss
Size: - Virtual size: 446KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 961KB - Virtual size: 960KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 213KB - Virtual size: 212KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2ab9539f584268b87a5af7498c44974f

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

shell32

Sections

.textbss Size: - Virtual size: 446KB

.text Size: 961KB - Virtual size: 960KB

.rdata Size: 213KB - Virtual size: 212KB

.data Size: 5KB - Virtual size: 13KB

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

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

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

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

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

.reloc Size: 7KB - Virtual size: 7KB

.textbss
Size: - Virtual size: 446KB

.text
Size: 961KB - Virtual size: 960KB

.rdata
Size: 213KB - Virtual size: 212KB

.data
Size: 5KB - Virtual size: 13KB

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

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

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

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

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

.reloc
Size: 7KB - Virtual size: 7KB