Function at 0x48eb30
Capabilities:
Get system information on windows
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f0878
mov eax, dword fs:[0]
push eax
sub esp, 0x44
push ebx
push esi
push edi
mov eax, dword [0x541100]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, dword [ebp + 8]
mov ecx, dword [ebp + 0x1c]
mov edi, dword [ebx + 0x18]
xor eax, eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0x48], eax
mov dword [ebp - 0x44], eax
mov eax, dword [ebp + 0x18]
mov esi, eax
or eax, ecx
mov dword [ebp - 0x28], 1
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], ecx
jne 0x48ebbd
push ecx
mov eax, esp
mov dword [ebp + 8], esp
push str.AddFile:_adding_0_bytes_file
push eax
call fcn.004777e0
add esp, 8
call fcn.0048e880
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov ecx, dword [ebx + 8]
mov eax, dword [ebp + 0x10]
mov dword [eax], ecx
mov edx, dword [ebx + 0xc]
mov dword [eax + 4], edx
xor edx, edx
lea ecx, [ecx]
cmp edx, dword [ebp - 0x34]
jg 0x48ebe0
jl 0x48ebdb
cmp edi, esi
jae 0x48ebe0
mov dword [ebp - 0x1c], edi
jmp 0x48ebe3
mov dword [ebp - 0x1c], esi
mov eax, dword [ebp - 0x1c]
add eax, 0x2000
mov dword [ebp - 0x10], eax
mov edi, edi
push 0
mov dword [ebp - 0x14], eax
xor ecx, ecx
add eax, dword [ebx + 8]
lea edx, [ebp - 0x4c]
adc ecx, dword [ebx + 0xc]
push edx
push eax
mov dword [ebp - 0x50], eax
mov eax, dword [ebx]
push eax
mov dword [ebp - 0x4c], ecx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [ebx]
push ecx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov edx, dword [ebx]
push 0
push 0
push 0
push 4
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 0x18], eax
test eax, eax
je 0x48ef82
cmp dword [0x546f54], 0
mov eax, dword [ebp - 0x14]
mov edi, dword [ebx + 8]
mov esi, dword [ebx + 0xc]
mov dword [ebp - 0x2c], eax
jne 0x48ec58
push 0x546f38
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [0x546f54]
push 0
push ecx
push esi
push edi
call fcn.004db000
mov ecx, edi
sub ecx, eax
sbb esi, edx
mov edx, dword [ebp - 0x2c]
sub edi, ecx
lea eax, [edi + edx]
push eax
push ecx
mov ecx, dword [ebp - 0x18]
push esi
mov esi, dword [sym.imp.KERNEL32.dll_MapViewOfFile]
push 6
push ecx
call esi
mov dword [ebp - 0x2c], eax
test eax, eax
je 0x48ec93
add edi, eax
mov dword [ebp - 0x20], edi
cmp dword [ebp - 0x20], 0
je 0x48efbc
mov edi, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x40]
mov eax, dword [ebp - 0x3c]
mov ecx, dword [ebp + 0xc]
push edi
push edx
push eax
push 4
push ecx
call esi
mov esi, eax
test esi, esi
je 0x48f01a
mov ecx, dword [ebx + 0x10]
mov edx, dword [ecx]
mov edx, dword [edx]
lea eax, [ebp - 0x14]
push eax
mov eax, dword [ebx + 0xc]
push edi
push eax
mov eax, dword [ebx + 8]
push eax
mov eax, dword [ebp - 0x20]
push eax
push esi
call edx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
call esi
mov eax, dword [ebp - 0x2c]
push eax
call esi
mov ecx, dword [ebp - 0x18]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x14]
cmp eax, dword [ebp - 0x10]
jb 0x48ef30
push ecx
mov edi, esp
mov dword [ebp - 0x2c], esp
mov dword [ebp - 0x30], edi
call fcn.004bdbe3
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
je 0x48f02e
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [edi], eax
mov ecx, str._AddFile:_returned_chunk_bigger_than_the_original_
mov dword [ebp - 4], 0
test ecx, 0xffff0000
jne 0x48ee22
mov edx, ecx
movzx esi, dx
push esi
call fcn.004c5d7f
mov dword [ebp - 0x2c], eax
test eax, eax
je 0x48ef15
mov ecx, esi
shr ecx, 4
inc ecx
movzx edx, cx
push 6
push edx
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x48ef15
push esi
push eax
mov eax, dword [ebp - 0x2c]
push eax
call fcn.00420713
mov edx, eax
add esp, 0xc
mov dword [ebp - 0x2c], edx
test edx, edx
je 0x48ef15
mov eax, dword [edi]
movzx esi, word [edx]
sub eax, 0x10
mov ecx, 1
sub ecx, dword [eax + 0xc]
mov eax, dword [eax + 8]
sub eax, esi
or eax, ecx
jge 0x48edae
push esi
mov ecx, edi
call fcn.0042052a
mov edx, dword [ebp - 0x2c]
mov ecx, dword [edi]
movzx eax, word [edx]
mov dword [ebp - 0x18], ecx
lea ecx, [edx + 2]
mov dword [ebp - 0x2c], ecx
cmp eax, 0xffffffff
jne 0x48edce
push ecx
call fcn.004ccd1a
mov ecx, dword [ebp - 0x2c]
add esp, 4
inc eax
add eax, eax
push eax
push ecx
mov ecx, dword [ebp - 0x18]
lea edx, [esi + esi]
push edx
push ecx
mov dword [ebp - 0x2c], edx
call fcn.004cc7a1
add esp, 0x10
cmp eax, 0x50
ja case.0x48edf5.1
movzx edx, byte [eax + 0x48f05c]
jmp dword [edx*4 + 0x48f04c]
test esi, esi
jl 0x48f042
mov eax, dword [edi]
cmp esi, dword [eax - 8]
jg 0x48f042
mov edx, dword [ebp - 0x2c]
mov dword [eax - 0xc], esi
mov eax, dword [edi]
xor ecx, ecx
mov word [edx + eax], cx
jmp 0x48ef15
push str._AddFile:_returned_chunk_bigger_than_the_original_
call fcn.004ccd1a
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x48ee8f
mov ecx, dword [edi]
mov esi, dword [ecx - 0x10]
cmp dword [ecx - 0xc], ebx
lea eax, [ecx - 0x10]
je 0x48ef12
cmp dword [eax + 0xc], ebx
lea edx, [eax + 0xc]
jge 0x48ee66
cmp dword [ecx - 8], ebx
jl 0x48f042
mov dword [ecx - 0xc], ebx
mov eax, dword [edi]
xor ecx, ecx
mov word [eax], cx
jmp 0x48ef12
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x48ee7c
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov edx, dword [esi]
mov eax, dword [edx + 0xc]
mov ecx, esi
call eax
add eax, 0x10
mov dword [edi], eax
jmp 0x48ef12
mov eax, dword [edi]
mov ecx, dword [eax - 0xc]
mov dword [ebp - 0x2c], ecx
mov esi, str._AddFile:_returned_chunk_bigger_than_the_original_
sub esi, eax
mov ecx, 1
sub ecx, dword [eax - 4]
mov eax, dword [eax - 8]
sub eax, ebx
sar esi, 1
or eax, ecx
jge 0x48eeb9
push ebx
mov ecx, edi
call fcn.0042052a
mov eax, dword [edi]
cmp esi, dword [ebp - 0x2c]
ja 0x48eedc
mov edx, dword [eax - 8]
lea ecx, [ebx + ebx]
push ecx
mov dword [ebp - 0x2c], ecx
lea ecx, [eax + esi*2]
push ecx
add edx, edx
push edx
push eax
call fcn.004cc86f
mov esi, dword [ebp - 0x2c]
jmp 0x48eef1
mov ecx, dword [eax - 8]
lea esi, [ebx + ebx]
push esi
push str._AddFile:_returned_chunk_bigger_than_the_original_
add ecx, ecx
push ecx
push eax
call fcn.004cc7a1
add esp, 0x10
test ebx, ebx
jl 0x48f042
mov eax, dword [edi]
cmp ebx, dword [eax - 8]
jg 0x48f042
mov dword [eax - 0xc], ebx
mov edx, dword [edi]
xor eax, eax
mov word [esi + edx], ax
mov ebx, dword [ebp + 8]
mov dword [ebp - 4], 0xffffffff
call fcn.0048e880
add dword [ebp - 0x10], 0x100000
mov eax, dword [ebp - 0x10]
jmp 0x48ebf0
xor ecx, ecx
add dword [ebx + 8], eax
adc dword [ebx + 0xc], ecx
xor edx, edx
cmp dword [ebp - 0x34], edx
jl 0x48ef54
jg 0x48ef49
mov esi, dword [ebp - 0x38]
cmp esi, dword [ebp - 0x24]
jbe 0x48ef54
mov esi, dword [ebp - 0x24]
sub dword [ebp - 0x38], esi
sbb dword [ebp - 0x34], edx
jmp 0x48ef5c
xor esi, esi
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], esi
add dword [ebp - 0x40], edi
adc dword [ebp - 0x3c], 0
add dword [ebp - 0x48], eax
adc dword [ebp - 0x44], ecx
cmp dword [ebp - 0x34], 0
jl 0x48efed
jg 0x48ef77
cmp dword [ebp - 0x38], 0
jbe 0x48efed
mov esi, dword [ebp - 0x38]
mov edi, dword [ebp - 0x24]
jmp 0x48ebd0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, dword [ebp - 0x14]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push edx
push str.AddFile:_error_extending_VFC_file_by__d_bytes__LE_d
push ecx
call fcn.004777e0
add esp, 0x10
call fcn.0048e880
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push str._AddFile:_Dest_mapping_failed__LE_d
push ecx
call fcn.004777e0
add esp, 0xc
call fcn.0048e880
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x28], 0
mov ecx, dword [ebx + 8]
mov eax, dword [ebp + 0x10]
sub ecx, dword [eax]
mov edx, dword [ebx + 0xc]
sbb edx, dword [eax + 4]
mov eax, dword [ebp + 0x14]
mov dword [eax], ecx
mov dword [eax + 4], edx
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push str._AddFile:_Src_mapping_failed__LE_d
jmp 0x48efce
push 0x80004005
call fcn.00420000
call fcn.004be14b
call fcn.004be183
push 0x80070057
call fcn.00420000
cld
in eax, dx
dec eax
add byte [eax], bh
invalid