Necesse[.]exe | Triage

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General

Target

Necesse.exe
Size

66KB
MD5

b62bab9fe1cb368338c7ec437ad134e8
SHA1

e08177847f6cab4ebdf84f4f3c57499926f12f54
SHA256

11a15909e3c2b5997af8167786bd676ed8fb37d418c32439cfbba0b345725c19
SHA512

564fcbcb3306bcde659cfb8f9021f81a000e1aee7ffa2403597d49a859c4bbe0f7da15b6b456e0f1c2b50621b44da1b92645828b8d1b15c892447d0aa5c84767
SSDEEP

1536:s+XCbdTqMllaUPHXYTTPmC+chT9mWEtwZQ/E5:FSb0MKWY3tfR2y+/E

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Necesse.exe

Files

Necesse.exe
.exe windows:4 windows x86 arch:x86

1f2702872592229d2f4cb1162cfbc55b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA

kernel32

CloseHandle
CreateMutexA
CreatePipe
CreateProcessA
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindResourceExA
FormatMessageA
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetEnvironmentVariableA
GetExitCodeProcess
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GlobalMemoryStatusEx
InitializeCriticalSection
InterlockedExchange
IsDBCSLeadByteEx
LeaveCriticalSection
LoadResource
LocalFree
LockResource
MultiByteToWideChar
ReadFile
SetEnvironmentVariableA
SetHandleInformation
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

_strdup
_stricoll
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_chdir
_close
_errno
_findclose
_findfirst
_findnext
_fullpath
_iob
_itoa
_onexit
_open
_read
_setmode
_stat64
_stricmp
abort
atexit
atoi
calloc
fclose
fopen
fprintf
fputc
fputs
free
fwrite
getenv
isspace
localeconv
malloc
mbstowcs
memcpy
printf
puts
realloc
setlocale
signal
strcat
strchr
strcmp
strcoll
strcpy
strlen
strncat
strncpy
strpbrk
strrchr
strstr
strtok
tolower
vfprintf
wcslen
wcstombs

shell32

ShellExecuteA

user32

CreateWindowExA
DispatchMessageA
EnumWindows
FindWindowExA
GetMessageA
GetSystemMetrics
GetWindowLongA
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
KillTimer
LoadImageA
MessageBoxA
PostQuitMessage
SendMessageA
SetForegroundWindow
SetTimer
SetWindowPos
ShowWindow
TranslateMessage
UpdateWindow

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 37KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

1f2702872592229d2f4cb1162cfbc55b

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

shell32

user32

Sections

.text Size: 43KB - Virtual size: 42KB

.data Size: 512B - Virtual size: 40B

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

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

.bss Size: - Virtual size: 37KB

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

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

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

.text
Size: 43KB - Virtual size: 42KB

.data
Size: 512B - Virtual size: 40B

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

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

.bss
Size: - Virtual size: 37KB

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

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B

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