Function at 0x180028120
Capabilities:
Encode data using base64

Disassembly:
mov qword [rsp + 8], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x1b0
mov rax, qword [0x18017d2b8]
xor rax, rsp
mov qword [rsp + 0x1a0], rax
lea ebx, [r8 + 0xb]
mov qword [rsp + 0x60], rdx
mov dword [rsp + 0x58], r8d
mov r15, r9
mov qword [rsp + 0x50], rcx
mov r9, rdx
mov dword [rsp + 0x30], ebx
mov esi, r8d
mov rdx, rcx
cmp r8d, ebx
jae case.0x1800281c0.2
mov rdi, qword [rsp + 0x78]
lea ebp, [r8 - 0x6b]
mov rbx, qword [rsp + 0x78]
lea r8, [0x180000000]
mov r12d, dword [rsp + 0x48]
movabs r10, 0xaaaaaaaaaaaaaaab
mov r14d, dword [rsp + 0x48]
mov r13d, dword [rsp + 0x48]
mov eax, dword [rsp + 0x30]
mov dword [rsp + 0x38], ebp
nop dword [rax + rax]
cmp ebp, 0x1a
ja case.default.0x1800281c0
mov ecx, dword [r8 + rbp*4 + 0x28564]
add rcx, r8
jmp rcx
mov rcx, qword [r15 + 0x10]
mov rax, r10
add rcx, 2
mov qword [rsp + 0x80], 0
mul rcx
mov rax, rdx
shr rax, 1
shl rax, 2
mov qword [rsp + 0x88], rax
mov rdx, qword [rsp + 0x50]
mov eax, dword [rsp + 0x30]
inc esi
inc ebp
mov dword [rsp + 0x58], esi
mov dword [rsp + 0x38], ebp
cmp esi, eax
jb 0x1800281b0
jmp case.0x1800281c0.2
mov eax, dword [r9]
lea r8, [rsp + 0x38]
mov r9d, 0x74
mov dword [rsp + 0x40], 0
xor edx, edx
mov dword [rsp + 0x38], eax
lea rcx, [rsp + 0x40]
call fcn.180027d10
cmp dword [rsp + 0x40], 0xd6
jg 0x180028529
mov eax, dword [r15]
lea r8, [rsp + 0x38]
mov r9d, 0x74
mov dword [rsp + 0x38], eax
xor edx, edx
lea rcx, [rsp + 0x40]
call fcn.180027d10
mov r9, qword [rsp + 0x60]
lea r8, [0x180000000]
movabs r10, 0xaaaaaaaaaaaaaaab
jmp 0x1800281ee
mov eax, dword [rsp + 0x40]
sub eax, dword [rdx]
mov dword [rsp + 0x44], eax
jmp case.0x1800281c0.3
mov dword [rsp + 0x68], 0x104
jmp case.0x1800281c0.3
mov byte [0x18017d870], 1
mov byte [rsp + 0x44], 1
jmp case.0x1800281c0.3
mov rax, r10
mul qword [r15 + 0x10]
xor eax, eax
shr rdx, 1
mov qword [rsp + 0x70], rax
lea rcx, [rdx + rdx*2]
test rcx, rcx
je 0x180028379
dec rcx
mov rax, r10
mul rcx
mov r8, rdx
shr r8, 1
inc r8
lea rax, [r8 + r8*2]
mov qword [rsp + 0x70], rax
nop
mov eax, 0xe0
cmp eax, 0xe0
je 0x180028327
cmp eax, 0x1a5
je 0x180028300
cmp eax, 0x26a
jne 0x18002835f
add rdi, 3
jmp 0x18002835f
movzx edx, byte [rdi + 1]
movzx ecx, byte [rdi + 2]
and edx, 0xf
shr ecx, 6
lea edx, [rcx + rdx*4]
mov rcx, qword [0x18017d878]
movzx edx, byte [rdx + rcx]
mov byte [rbx], dl
movzx edx, byte [rdi + 2]
and edx, 0x3f
jmp 0x18002834d
mov rcx, qword [0x18017d878]
movzx edx, byte [rdi]
shr rdx, 2
movzx edx, byte [rdx + rcx]
mov byte [rbx], dl
movzx edx, byte [rdi]
movzx ecx, byte [rdi + 1]
and edx, 3
shl edx, 4
shr ecx, 4
add edx, ecx
mov rcx, qword [0x18017d878]
movzx edx, byte [rdx + rcx]
mov byte [rbx + 1], dl
add rbx, 2
add eax, 0xc5
cmp eax, 0x32f
jb 0x1800282e5
sub r8, 1
jne 0x1800282e0
mov r9d, dword [rsp + 0x68]
lea r8, [rsp + 0x90]
mov edx, dword [rsp + 0x48]
mov rcx, qword [rsp + 0x80]
call qword [sym.imp.SHELL32.dll_DragQueryFileA]
jmp 0x18002825e
mov rdx, qword [rsp + 0x88]
xor r8d, r8d
mov rcx, r9
call fcn.1800e6180
cmp qword [r15 + 0x18], 0x10
mov rdi, r15
mov dword [rsp + 0x48], 0xffffffff
jb 0x1800283c5
mov rdi, qword [r15]
mov r9, qword [rsp + 0x60]
mov rbx, r9
cmp qword [r9 + 0x18], 0x10
jb 0x180028263
mov rbx, qword [r9]
jmp 0x180028263
mov rdx, qword [rsp + 0x70]
cmp rdx, qword [r15 + 0x10]
jae 0x1800281ee
mov r8d, 0xb7
mov eax, r8d
sub eax, 0xb6
je 0x18002843c
cmp eax, 1
jne 0x180028492
movzx r12d, byte [rdi]
lea rax, [rdx + 1]
cmp rax, qword [r15 + 0x10]
jae 0x18002841d
movzx r14d, byte [rdi + 1]
jmp 0x180028420
xor r14d, r14d
mov rax, qword [0x18017d878]
mov rcx, r12
shr rcx, 2
xor r13d, r13d
movzx ecx, byte [rcx + rax]
mov byte [rbx], cl
inc rbx
jmp 0x180028492
mov ecx, r12d
mov eax, r14d
and ecx, 3
shr eax, 4
shl ecx, 4
add ecx, eax
mov rax, qword [0x18017d878]
movzx ecx, byte [rcx + rax]
lea rax, [rdx + 1]
mov byte [rbx], cl
cmp rax, qword [r15 + 0x10]
jae 0x180028480
mov ecx, r14d
mov eax, r13d
and ecx, 0xf
shr eax, 6
lea ecx, [rax + rcx*4]
mov rax, qword [0x18017d878]
movzx edx, byte [rcx + rax]
jmp 0x180028482
mov dl, 0x3d
mov byte [rbx + 1], dl
mov rdx, qword [rsp + 0x70]
mov byte [rbx + 2], 0x3d
add rbx, 3
dec r8d
cmp r8d, 0xb5
ja 0x1800283f5
lea r8, [0x180000000]
jmp 0x1800281ee
mov byte [0x18017d870], 0
xor esi, esi
nop word [rax + rax]
mov rax, qword [r15]
lea rbp, [rsi + 1]
xor r9d, r9d
mov qword [rsp + 0x78], rax
lea rax, [rsp + 0x78]
mov qword [rsp + 0x28], 0
mov r8, rbp
mov qword [rsp + 0x20], rax
xor ecx, ecx
lea edx, [r9 + 0x32]
call fcn.180020560
lea r8, [0x180000000]
mov qword [r8 + rsi*8 + 0x17d840], rax
test rax, rax
je 0x180028530
mov rsi, rbp
cmp rbp, 6
jb 0x1800284c0
mov esi, dword [rsp + 0x58]
movabs r10, 0xaaaaaaaaaaaaaaab
mov ebp, dword [rsp + 0x38]
mov r9, qword [rsp + 0x60]
jmp 0x1800281ee
mov eax, 1
jmp 0x180028539
mov byte [rsp + 0x44], 0
mov eax, dword [rsp + 0x44]
mov rcx, qword [rsp + 0x1a0]
xor rcx, rsp
call fcn.180110960
mov rbx, qword [rsp + 0x1f0]
add rsp, 0x1b0
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret