wlua54[.]exe | Triage

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General

Target

wlua54.exe
Size

122KB
MD5

8eb22cbbaacb740bddf7ce1ff8eea868
SHA1

61f7f4f1afb130ede47859835eb05de10fb31b5f
SHA256

c1757c37d186b1b9868e0b92025d073ef0347adf2059163d9dfd26ec94258023
SHA512

823dd678f1a3379cd661f1ded120636caf9e7ecb1b6c411e7bf8176459c7866fb1aeea6cc7de048a5cf71c480816fe84c6a89801a30db164954d42e503e2a2f9
SSDEEP

1536:m9hZUWhR0wtIBXmzQXNxL9EkA9Lc5aOfNil1PJ4ahhC:8hyfwKBWzQBREOFq1DvC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
wlua54.exe

Files

wlua54.exe
.exe windows x64

35f60157093e3c62a600ca18b5df3f46

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

lua54

luaL_callmeta
luaL_checkstack
luaL_checkversion_
luaL_error
luaL_len
luaL_loadbufferx
luaL_loadfilex
luaL_newstate
luaL_openlibs
luaL_tolstring
luaL_traceback
lua_close
lua_concat
lua_createtable
lua_gc
lua_getglobal
lua_gettop
lua_pcallk
lua_pushboolean
lua_pushcclosure
lua_pushfstring
lua_pushinteger
lua_pushlightuserdata
lua_pushlstring
lua_pushstring
lua_rawgeti
lua_rawseti
lua_rotate
lua_setfield
lua_setglobal
lua_sethook
lua_settop
lua_toboolean
lua_tointegerx
lua_tolstring
lua_touserdata
lua_type
lua_typename
lua_warning

kernel32

DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleW
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
QueryPerformanceCounter
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WideCharToMultiByte
__C_specific_handler

msvcrt

___lc_codepage_func
__argc
__argv
__dllonexit
__getmainargs
__initenv
__iob_func
__lconv_init
__mb_cur_max
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_errno
_fileno
_fmode
_initterm
_isatty
_lock
_onexit
_unlock
abort
calloc
exit
fflush
fgets
fprintf
fputc
fputs
free
fwrite
getenv
localeconv
malloc
memcpy
signal
strerror
strlen
strncmp
vfprintf
wcslen

Sections

.text
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 272B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/4
Size: 512B - Virtual size: 80B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 512B - Virtual size: 303B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 1024B - Virtual size: 546B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 512B - Virtual size: 72B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

35f60157093e3c62a600ca18b5df3f46

Headers

File Characteristics

Imports

lua54

kernel32

msvcrt

Sections

.text Size: 31KB - Virtual size: 31KB

.data Size: 512B - Virtual size: 272B

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

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

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

.bss Size: - Virtual size: 4KB

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

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 104B

.rsrc Size: 25KB - Virtual size: 25KB

/4 Size: 512B - Virtual size: 80B

/19 Size: 7KB - Virtual size: 7KB

/31 Size: 512B - Virtual size: 303B

/45 Size: 1024B - Virtual size: 546B

/57 Size: 512B - Virtual size: 72B

.text
Size: 31KB - Virtual size: 31KB

.data
Size: 512B - Virtual size: 272B

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

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

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

.bss
Size: - Virtual size: 4KB

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

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 104B

.rsrc
Size: 25KB - Virtual size: 25KB

/4
Size: 512B - Virtual size: 80B

/19
Size: 7KB - Virtual size: 7KB

/31
Size: 512B - Virtual size: 303B

/45
Size: 1024B - Virtual size: 546B

/57
Size: 512B - Virtual size: 72B