Function at 0x1400646e0
Capabilities:
Check if file exists
Generate random numbers via winapi
Get common file path
Get file attributes

Disassembly:
xor edx, edx
jmp 0x140064700
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 0x1400648ac
mov qword [rax - 0x48], r13
mov qword [rax - 0x40], r13
mov qword [rax - 0x38], r13
test rcx, rcx
jne 0x1400647b1
call qword [sym.imp.KERNEL32.dll_GetTempPathW]
mov edi, eax
test eax, eax
jne 0x140064760
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
jmp 0x140064a3a
lea rcx, [rdi + rdi]
call fcn.14003f410
mov rbx, rax
test rax, rax
jne 0x140064781
call fcn.14005cd44
mov dword [rax], ntohl
jmp 0x140064a3a
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 0x140064790
mov rdx, rbx
lea rcx, [rsp + 0x40]
call fcn.140066860
mov rcx, rbx
call fcn.14003ef6c
jmp 0x1400647f3
mov r8, r12
inc r8
cmp byte [rcx + r8], bpl
jne 0x1400647b4
mov rdx, rcx
lea rcx, [rsp + 0x40]
call fcn.1400669d0
test eax, eax
js 0x140064a3a
mov rcx, qword [rsp + 0x40]
mov rax, qword [rsp + 0x48]
cmp word [rcx + rax*2 - 2], 0x2f
je 0x1400647f3
mov edx, 0x2f
lea rcx, [rsp + 0x40]
call fcn.140065f60
mov rcx, qword [rsp + 0x40]
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x140064862
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x140064820
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
jmp 0x140064a3a
mov rcx, qword [rsp + 0x40]
call fcn.140071830
mov rbp, rax
test rax, rax
jne 0x140064842
call fcn.14005cd44
mov dword [rax], socket
jmp 0x140064a3a
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x140064862
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
jmp 0x140064a3a
test al, 0x10
jne 0x140064876
call fcn.14005cd44
mov dword [rax], setsockopt
jmp 0x140064a3a
lea rdx, str.libarchive_
lea rcx, [rsp + 0x40]
call fcn.140066920
lea rdx, str.XXXXXXXXXX
lea rcx, [rsp + 0x40]
call fcn.140066920
mov rax, qword [rsp + 0x48]
mov r14, qword [rsp + 0x40]
lea rbx, [r14 + rax*2]
lea rsi, [rbx - 0x14]
jmp 0x1400648e8
mov edx, 0x58
mov rcx, r14
call fcn.14005ed30
mov rsi, rax
test rax, rax
je 0x140064ac1
mov rbx, rax
movzx eax, word [rax]
cmp ax, 0x58
jne 0x1400648df
movzx eax, word [rbx + 2]
add rbx, 2
cmp ax, 0x58
je 0x1400648d1
test ax, ax
jne 0x140064ac1
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 0x14006491f
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
jmp 0x140064a3a
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 0x140064a25
cmp rsi, rbx
jae 0x1400649ba
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 0x140064980
mov r12, 0xffffffffffffffff
xor r13d, r13d
mov rcx, rbp
call fcn.14003ef6c
mov rcx, r14
call fcn.140071830
mov rbp, rax
test rax, rax
je 0x140064ab1
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 0x140064a84
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x50
je 0x140064940
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
mov r15, qword [rsp + 0x90]
mov rcx, qword [rsp + 0x98]
test rcx, rcx
je 0x140064a4f
xor edx, edx
call qword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov rcx, rbp
call fcn.14003ef6c
cmp r14, qword [rsp + 0x40]
jne 0x140064a68
lea rcx, [rsp + 0x40]
call fcn.1400669a0
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.1400d5458
mov r12d, eax
cmp eax, 0xffffffff
jne 0x140064a32
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, eax
call fcn.140071a20
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x140064a32
call fcn.14005cd44
mov dword [rax], socket
jmp 0x140064a32
call fcn.14005cf10
int3