Function at 0x401e0d
Capabilities:
Accept command line arguments
Allocate or change rwx memory
Create process on windows
Create process suspended
Get file size
Query environment variable
Read .ini file
Read file on windows
Resume thread
Set environment variable
Terminate process
Use process replacement

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffbec
pushal
mov dword [ebp - 0xc], 0
push 1
push 3
call fcn.00401440
or eax, eax
jne 0x401e8a
push 0
push 0
push 3
push 0
push 1
push 0x80000000
push 0x40468c
call sub.kernel32.dll_CreateFileA
cmp eax, 0xffffffff
je 0x401e85
mov ebx, eax
push 0
push ebx
call sub.kernel32.dll_GetFileSize
mov dword [ebp - 0x10], eax
push 4
push 0x1000
push eax
push 0
call sub.kernel32.dll_VirtualAlloc
mov dword [ebp - 0xc], eax
push 0
lea eax, [ebp - 8]
push eax
push dword [ebp - 0x10]
push dword [ebp - 0xc]
push ebx
call sub.kernel32.dll_ReadFile
push ebx
call sub.kernel32.dll_CloseHandle
mov eax, dword [ebp - 0xc]
jmp 0x401e8a
jmp 0x4021ea
mov dword [ebp - 4], eax
jmp 0x401eac
mov ecx, dword [0x404284]
inc ecx
push ecx
push 3
call fcn.00401440
or eax, eax
je 0x401ea7
cmp eax, dword [ebp - 4]
jne 0x401eac
jmp 0x4021ea
mov esi, eax
push 1
push 0xe
call fcn.00401440
or eax, eax
je 0x401ec0
lea eax, [eax + 9]
jmp 0x401ec3
lea eax, [esi + 0x22]
push 0x400
push 0x404a8c
push eax
call sub.kernel32.dll_ExpandEnvironmentStringsA
push esi
mov esi, 0x404a8c
jmp 0x401ef7
lodsb al, byte [esi]
cmp al, 0x25
jne 0x401ef7
push 0x404a8c
call fcn.00402580
push eax
push 0x404a8c
call sub.kernel32.dll_lstrcpyA
jmp 0x401efc
cmp byte [esi], 0
jne 0x401edb
pop esi
push 0x40428c
call fcn.00402440
cmp eax, 1
jne 0x401f2c
push 0x40428c
push 0x400
push 0x404a8c
push 0
push 0x404193
push 0x40418f
call sub.kernel32.dll_GetPrivateProfileStringA
mov edi, 0x404a8c
cmp byte [edi + 1], 0x3a
je 0x401f86
push 0x400
lea eax, [ebp - 0x411]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
lea eax, [ebp - 0x411]
push eax
call fcn.00402332
cmp byte [edi], 0x5c
je 0x401f6c
push 0x40419c
lea eax, [ebp - 0x411]
push eax
call sub.kernel32.dll_lstrcatA
push edi
lea eax, [ebp - 0x411]
push eax
call sub.kernel32.dll_lstrcatA
lea eax, [ebp - 0x411]
push eax
push edi
call sub.kernel32.dll_lstrcpyA
push 0x404a8c
push str.dup2_last_file
call sub.kernel32.dll_SetEnvironmentVariableA
push 0x404a8c
lea eax, [ebp - 0x411]
push eax
call sub.kernel32.dll_lstrcpyA
lea eax, [ebp - 0x411]
push eax
call fcn.00402332
lea eax, [ebp - 0x411]
push eax
push str.dup2_last_path
call sub.kernel32.dll_SetEnvironmentVariableA
mov ebx, dword [esi + 2]
or ebx, ebx
je 0x402010
push 0x404a8c
call fcn.00402480
cmp eax, 0xffffffff
je 0x401ffc
cmp ebx, eax
je 0x402010
push 0x30
push 0x404a8c
push 0x4040a4
push 0
call sub.user32.dll_MessageBoxA
call fcn.004021ed
jmp 0x4021d0
push 0x404a8c
call fcn.00402221
cmp eax, 1
je 0x401fca
jmp 0x4021d0
cmp dword [esi + 0xa], 0
je 0x402042
push 0x404a8c
call fcn.004022aa
cmp dword [esi + 0xa], eax
je 0x402042
push 0x30
push 0x404a8c
push str.CRC32_
push 0
call sub.user32.dll_MessageBoxA
call fcn.004021ed
jmp 0x4021d0
test dword [esi + 0x1e], 4
je 0x4021d0
call sub.kernel32.dll_GetCommandLineA
push 0x4052d8
push 0x405294
push 0
push 0
push 4
push 0
push 0
push 0
push eax
push 0x404a8c
call sub.kernel32.dll_CreateProcessA
or eax, eax
jne 0x402091
push 0x30
push 0x404a8c
push 0x40407b
push 0
call sub.user32.dll_MessageBoxA
jmp 0x4021d0
cmp dword [esi + 0xe], 0
je 0x4020ca
push dword [0x4052dc]
call sub.kernel32.dll_ResumeThread
push 0
push 4
push 0x404e8c
push dword [esi + 0xe]
push dword [0x4052d8]
call sub.kernel32.dll_ReadProcessMemory
mov eax, dword [esi + 0x12]
cmp dword [0x404e8c], eax
jne 0x4020c8
jmp 0x4020ca
jmp 0x4020a2
mov byte [ebp - 0x11], 0
mov dword [0x40528c], 0
mov eax, dword [esi + 0x16]
lea edi, [eax + esi]
mov edi, edi
jmp 0x40218e
push 0
push 1
push 0x404e8c
push dword [edi]
push dword [0x4052d8]
call sub.kernel32.dll_ReadProcessMemory
mov al, byte [edi + 4]
cmp al, byte [0x404e8c]
jne 0x40215b
lea eax, [edi + 5]
push 0
push 1
push eax
push dword [edi]
push dword [0x4052d8]
call sub.kernel32.dll_WriteProcessMemory
or eax, eax
jne 0x402146
cmp byte [ebp - 0x11], 0
jne 0x402146
push 0x405290
push 0x40
push 1
push dword [edi]
push dword [0x4052d8]
call sub.kernel32.dll_VirtualProtectEx
cmp eax, 0
je 0x40219e
mov byte [ebp - 0x11], 1
jmp 0x402106
mov byte [ebp - 0x11], 0
mov dword [0x40528c], 0
mov eax, 1
jmp 0x40218b
push dword [0x4052dc]
call sub.kernel32.dll_ResumeThread
add dword [0x40528c], 1
cmp dword [0x40528c], 0xfa
jae 0x402187
push 0xa
call sub.kernel32.dll_Sleep
jmp 0x4020e0
xor eax, eax
jmp 0x40219e
add edi, 6
cmp dword [edi], 0
je 0x40219e
cmp word [edi + 4], 0
jne 0x4020e5
or eax, eax
jne 0x4021c5
push 0
push dword [0x4052d8]
call sub.kernel32.dll_TerminateProcess
push 0x30
push 0x404a8c
push 0x4041bc
push 0
call sub.user32.dll_MessageBoxA
popal
leave
ret
push dword [0x4052dc]
call sub.kernel32.dll_ResumeThread
mov eax, dword [ebp - 0xc]
or eax, eax
je 0x4021e5
push 0x4000
push dword [ebp - 0x10]
push eax
call sub.kernel32.dll_VirtualFree
jmp 0x401e8f
popal
leave
ret