Function at 0x140064650
Capabilities:
Check if file exists
Generate random numbers via winapi
Get common file path
Get file attributes

Disassembly:
xor edx, edx
jmp 0x140064670
mov rax, rsp
mov qword [rax + 0x18], rbx
mov qword [rax + 0x20], rbp
push rsi
push rdi
push r12
push r13
push r14
sub rsp, 0x60
xor r13d, r13d
mov r14, rdx
mov qword [rax + 0x10], r13
mov ebp, r13d
lea r12, [r13 - 1]
test rdx, rdx
jne 0x14006481c
mov qword [rax - 0x48], r13
mov qword [rax - 0x40], r13
mov qword [rax - 0x38], r13
test rcx, rcx
jne 0x140064721
call qword [sym.imp.KERNEL32.dll_GetTempPathW]
mov edi, eax
test eax, eax
jne 0x1400646d0
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
jmp 0x1400649aa
lea rcx, [rdi + rdi]
call fcn.14003f380
mov rbx, rax
test rax, rax
jne 0x1400646f1
call fcn.14005ccb4
mov dword [rax], ntohl
jmp 0x1400649aa
mov rdx, rbx
mov ecx, edi
call qword [sym.imp.KERNEL32.dll_GetTempPathW]
mov r8, r12
nop
inc r8
cmp word [rbx + r8*2], bp
jne 0x140064700
mov rdx, rbx
lea rcx, [rsp + 0x40]
call fcn.1400667d0
mov rcx, rbx
call fcn.14003eedc
jmp 0x140064763
mov r8, r12
inc r8
cmp byte [rcx + r8], bpl
jne 0x140064724
mov rdx, rcx
lea rcx, [rsp + 0x40]
call fcn.140066940
test eax, eax
js 0x1400649aa
mov rcx, qword [rsp + 0x40]
mov rax, qword [rsp + 0x48]
cmp word [rcx + rax*2 - 2], 0x2f
je 0x140064763
mov edx, 0x2f
lea rcx, [rsp + 0x40]
call fcn.140065ed0
mov rcx, qword [rsp + 0x40]
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x1400647d2
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x140064790
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
jmp 0x1400649aa
mov rcx, qword [rsp + 0x40]
call fcn.1400717a0
mov rbp, rax
test rax, rax
jne 0x1400647b2
call fcn.14005ccb4
mov dword [rax], socket
jmp 0x1400649aa
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x1400647d2
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
jmp 0x1400649aa
test al, 0x10
jne 0x1400647e6
call fcn.14005ccb4
mov dword [rax], setsockopt
jmp 0x1400649aa
lea rdx, str.libarchive_
lea rcx, [rsp + 0x40]
call fcn.140066890
lea rdx, str.XXXXXXXXXX
lea rcx, [rsp + 0x40]
call fcn.140066890
mov rax, qword [rsp + 0x48]
mov r14, qword [rsp + 0x40]
lea rbx, [r14 + rax*2]
lea rsi, [rbx - 0x14]
jmp 0x140064858
mov edx, 0x58
mov rcx, r14
call fcn.14005eca0
mov rsi, rax
test rax, rax
je 0x140064a31
mov rbx, rax
movzx eax, word [rax]
cmp ax, 0x58
jne 0x14006484f
movzx eax, word [rbx + 2]
add rbx, 2
cmp ax, 0x58
je 0x140064841
test ax, ax
jne 0x140064a31
mov r9d, 1
mov dword [rsp + 0x20], 0xf0000000
xor r8d, r8d
lea rcx, [rsp + 0x98]
xor edx, edx
call qword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x14006488f
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
jmp 0x1400649aa
mov qword [rsp + 0x90], r15
mov r15, rbx
sub r15, rsi
sar r15, 1
add r15d, r15d
nop dword [rax]
nop word [rax + rax]
mov rcx, qword [rsp + 0x98]
mov r8, rsi
mov edx, r15d
mov rdi, rsi
call qword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x140064995
cmp rsi, rbx
jae 0x14006492a
movabs r13, 0x842108421084211
lea r12, str.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
nop word [rax + rax]
movzx ecx, word [rdi]
mov rax, r13
mul rcx
mov eax, ecx
sub rax, rdx
shr rax, 1
add rax, rdx
shr rax, 5
imul rax, rax, 0x3e
sub rcx, rax
movzx eax, word [r12 + rcx*2]
mov word [rdi], ax
add rdi, 2
cmp rdi, rbx
jb 0x1400648f0
mov r12, 0xffffffffffffffff
xor r13d, r13d
mov rcx, rbp
call fcn.14003eedc
mov rcx, r14
call fcn.1400717a0
mov rbp, rax
test rax, rax
je 0x140064a21
cmp r14, qword [rsp + 0x40]
mov eax, 0x80
mov ecx, 0x4000100
mov qword [rsp + 0x30], r13
cmove eax, ecx
mov edx, 0xc0010000
mov dword [rsp + 0x28], eax
xor r9d, r9d
xor r8d, r8d
mov dword [rsp + 0x20], 1
mov rcx, rbp
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov rdi, rax
cmp rax, 0xffffffffffffffff
jne 0x1400649f4
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x50
je 0x1400648b0
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
mov r15, qword [rsp + 0x90]
mov rcx, qword [rsp + 0x98]
test rcx, rcx
je 0x1400649bf
xor edx, edx
call qword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov rcx, rbp
call fcn.14003eedc
cmp r14, qword [rsp + 0x40]
jne 0x1400649d8
lea rcx, [rsp + 0x40]
call fcn.140066910
lea r11, [rsp + 0x60]
mov eax, r12d
mov rbx, qword [r11 + 0x40]
mov rbp, qword [r11 + 0x48]
mov rsp, r11
pop r14
pop r13
pop r12
pop rdi
pop rsi
ret
mov edx, 0x8002
mov rcx, rdi
call fcn.1400d53c8
mov r12d, eax
cmp eax, 0xffffffff
jne 0x1400649a2
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071990
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x1400649a2
call fcn.14005ccb4
mov dword [rax], socket
jmp 0x1400649a2
call fcn.14005ce80
int3