Function at 0x140021990
Capabilities:
Allocate or change rwx memory
Enumerate pe sections
Parse pe header
Read file via mapping

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x280
mov rax, qword [0x140099080]
xor rax, rsp
mov qword [rsp + 0x270], rax
mov rbp, rcx
mov byte [rsp + 0x41], dl
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov r14, rax
test rax, rax
je 0x140021c0b
mov r15d, 0x5a4d
cmp word [rax], r15w
jne 0x140021c0b
movsxd rdi, dword [rax + 0x3c]
add rdi, rax
cmp dword [rdi], 0x4550
jne 0x140021c0b
movzx ebx, word [rdi + 0x14]
lea rdx, [rsp + 0x60]
add rbx, 0x18
mov r8d, 0x104
mov rcx, rax
add rbx, rdi
call qword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
xor esi, esi
lea rcx, [rsp + 0x60]
mov qword [rsp + 0x30], rsi
xor r9d, r9d
mov dword [rsp + 0x28], 0x80
mov edx, 0x80000000
mov dword [rsp + 0x20], 3
lea r8d, [rsi + 1]
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov r13, rax
dec rax
cmp rax, 0xfffffffffffffffd
ja 0x140021c0b
mov qword [rsp + 0x28], rsi
lea r8d, [rsi + 2]
xor r9d, r9d
mov dword [rsp + 0x20], esi
xor edx, edx
mov rcx, r13
call qword [sym.imp.KERNEL32.dll_CreateFileMappingW]
test rax, rax
je 0x140021c02
xor r9d, r9d
mov qword [rsp + 0x20], rsi
xor r8d, r8d
lea edx, [rsi + 4]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov r12, rax
test rax, rax
je 0x140021c0b
cmp word [rax], r15w
jne 0x140021bf9
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x140021bf9
mov eax, dword [rdi + 8]
cmp dword [rcx + 8], eax
jne 0x140021bf9
movzx edx, word [rcx + 6]
cmp dx, word [rdi + 6]
jne 0x140021bf9
movzx r15d, word [rcx + 0x14]
xor dil, dil
add r15, 0x18
mov byte [rsp + 0x40], dil
add r15, rcx
mov r9d, esi
mov r10d, edx
test edx, edx
je 0x140021be1
mov qword [rsp + 0x48], r13
mov r8, rbp
mov rax, rbx
sub r8, rbx
nop word [rax + rax]
movzx edx, byte [rax]
movzx ecx, byte [rax + r8]
sub edx, ecx
jne 0x140021b23
inc rax
test ecx, ecx
jne 0x140021b10
test edx, edx
jne 0x140021b30
test dword [rbx + 0x24], 0x20000000
jne 0x140021b45
inc r9d
add rbx, 0x28
add r15, 0x28
cmp r9d, r10d
jl 0x140021b01
jmp 0x140021be1
mov edx, dword [rbx + 0x10]
test edx, edx
je 0x140021be1
movzx r13d, byte [rsp + 0x41]
nop word [rax + rax]
mov eax, dword [r15 + 0x14]
mov ecx, dword [rbx + 0xc]
mov edi, esi
add rax, rdi
add rcx, rdi
add rcx, r14
movzx ebp, byte [rax + r12]
mov eax, edx
cmp byte [rcx], bpl
je 0x140021bcf
test r13b, r13b
je 0x140021bca
mov edx, 1
mov dword [rsp + 0x50], 0x40
lea r9, [rsp + 0x54]
lea r8d, [rdx + 0x3f]
call qword [sym.imp.KERNEL32.dll_VirtualProtect]
mov eax, dword [rbx + 0xc]
lea r9, [rsp + 0x50]
add rax, rdi
mov edx, 1
mov byte [rax + r14], bpl
mov ecx, dword [rbx + 0xc]
mov r8d, dword [rsp + 0x54]
add rcx, rdi
add rcx, r14
call qword [sym.imp.KERNEL32.dll_VirtualProtect]
mov eax, dword [rbx + 0x10]
mov byte [rsp + 0x40], 1
inc esi
mov edx, eax
cmp esi, eax
jb 0x140021b60
mov r13, qword [rsp + 0x48]
movzx edi, byte [rsp + 0x40]
mov rcx, r12
call qword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov rcx, r13
call qword [sym.imp.KERNEL32.dll_CloseHandle]
movzx eax, dil
jmp 0x140021c0d
mov rcx, r12
call qword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov rcx, r13
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
mov rcx, qword [rsp + 0x270]
xor rcx, rsp
call fcn.140079b90
lea r11, [rsp + 0x280]
mov rbx, qword [r11 + 0x30]
mov rbp, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rdi
ret