Function at 0x1400c2b10
Capabilities:
Create thread
Extract resource via kernel32 functions
Query environment variable

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, 0x2b0
mov rax, qword [section..data]
xor rax, rsp
mov qword [rsp + 0x2a0], rax
call qword [sym.imp.USER32.dll_GetActiveWindow]
lea rcx, [rsp + 0x190]
mov edx, 0x104
mov rsi, rax
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
xor r12d, r12d
mov rdi, rax
mov eax, esi
lea r8, [0x140001b00]
lea r9d, [r12 + 1]
mov r13d, 1
xor edx, edx
imul eax, edi
xor ecx, ecx
mov qword [rsp + 0x28], r12
mov dword [rsp + 0x60], eax
sub r13d, eax
mov dword [rsp + 0x20], r12d
call qword [sym.imp.KERNEL32.dll_CreateThread]
mov r15, rax
call qword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov ecx, 0xffff
mov r14, rax
call qword [sym.imp.KERNEL32.dll_GetActiveProcessorCount]
lea rcx, [rsp + 0x80]
mov edx, 0x104
mov ebx, eax
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
mov rbp, rax
call qword [sym.imp.USER32.dll_GetForegroundWindow]
lea rcx, [rsp + 0x80]
mov edx, 0x104
mov qword [rsp + 0x68], rax
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
movzx ecx, r14b
movzx eax, bl
mov dword [rsp + 0x74], ecx
lea r8, [0x140001b00]
movzx r9d, r14b
imul eax, ecx
mov ecx, eax
xor edx, edx
mov qword [rsp + 0x28], r12
sub ecx, esi
lea esi, [rdi + 0x10]
mov dword [rsp + 0x70], eax
add esi, ecx
xor ecx, ecx
mov dword [rsp + 0x20], r12d
call qword [sym.imp.KERNEL32.dll_CreateThread]
lea rcx, [rsp + 0x80]
mov edx, 0x104
mov r12, rax
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
mov rdi, rax
cmp r14b, bl
jb 0x1400c2c57
call qword [sym.imp.KERNEL32.dll_GetCurrentThread]
mov ecx, 0xffff
call qword [sym.imp.KERNEL32.dll_GetActiveProcessorCount]
call qword [sym.imp.USER32.dll_GetActiveWindow]
call qword [sym.imp.USER32.dll_GetActiveWindow]
movzx eax, byte [rsp + 0x68]
imul r15b
sub r14b, al
sub r14b, r12b
add r14b, 9
call qword [sym.imp.USER32.dll_GetActiveWindow]
mov qword [rsp + 0x68], rax
call qword [sym.imp.USER32.dll_GetActiveWindow]
mov ecx, 1
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp esi, 0x10
jge 0x1400c2d43
call qword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
movzx r9d, r14b
xor r14d, r14d
mov qword [rsp + 0x58], r14
mov qword [rsp + 0x50], r14
mov qword [rsp + 0x48], r14
movsxd rdx, r13d
mov rbx, rax
mov eax, dword [rsp + 0x74]
mov qword [rsp + 0x40], rdx
mov dword [rsp + 0x38], 0x10
mov dword [rsp + 0x30], esi
lea rdx, str.folder
lea r8, str.march
lea ecx, [r14 + 1]
mov dword [rsp + 0x28], 1
mov dword [rsp + 0x20], eax
call qword [sym.imp.USER32.dll_CreateWindowExA]
lea rcx, str.bull_fighter
call qword [sym.imp.KERNEL32.dll_GetModuleHandleA]
xor edx, edx
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_LoadResource]
lea r8, [0x140001b00]
movzx r9d, bl
xor edx, edx
xor ecx, ecx
mov qword [rsp + 0x28], r14
mov dword [rsp + 0x20], r14d
call qword [sym.imp.KERNEL32.dll_CreateThread]
lea ecx, [r14 + 0x10]
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
call qword [sym.imp.KERNEL32.dll_GetCurrentThread]
lea rcx, [rsp + 0x80]
mov edx, 0x104
call qword [sym.imp.KERNEL32.dll_FindFirstVolumeA]
sub ebp, r13d
imul edi, r12d
lea eax, [rsi - 4]
imul ebp, r15d
shl edi, 3
sub ebp, edi
sub ebp, dword [rsp + 0x68]
add ebp, dword [rsp + 0x70]
add ebp, dword [rsp + 0x60]
add eax, ebp
mov rcx, qword [rsp + 0x2a0]
xor rcx, rsp
call fcn.1400dd340
lea r11, [rsp + 0x2b0]
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