Function at 0x4643f5
Capabilities:
Allocate or change rwx memory
Encode data using xor
Encrypt data using salsa20 or chacha

Disassembly:
pushfd
push ebp
mov ebp, esp
sub esp, 0x150
mov dword [ebp - 0x14c], eax
mov dword [ebp - 0x144], ecx
lea eax, [ebp + 4]
mov dword [ebp - 0x150], edx
mov dword [ebp - 0x148], ebx
mov dword [ebp - 0x13c], esi
mov ebx, 0xfffffff
mov dword [ebp - 0x140], edi
mov esi, dword [0x4c7398]
mov edi, dword [eax + 4]
sub eax, 4
mov dword [ebp - 0xe8], eax
mov eax, dword [edi]
shr eax, 1
and eax, ebx
lea ecx, [esi + eax - 1]
xor edx, edx
mov eax, ecx
div esi
sub ecx, edx
mov eax, dword [0x4c7398]
mov dword [ebp - 0x6c], ecx
mov eax, dword [0x403ef8]
mov dword [ebp - 0x84], eax
mov eax, dword [0x4c7398]
mov eax, dword [0x403ef8]
test eax, eax
je 0x4644fe
and dword [ebp - 0x7c], 0
mov eax, dword [0x403ef8]
dec eax
lea ecx, [eax + 1]
xor eax, eax
mov edx, ecx
test ecx, ecx
je 0x4644ad
mov esi, dword [0x51b214]
imul esi, esi, 0x343fd
add esi, 0x269ec3
mov dword [0x51b214], esi
shr esi, 0x10
shl eax, 0x10
or eax, esi
shr edx, 0x10
jne 0x464488
xor edx, edx
div ecx
cmp dword [ebp - 0x84], 0
jbe 0x4644f5
lea esi, [edx*4 + 0x529524]
inc dword [ebp - 0x7c]
mov ecx, 0xffffc390
mov eax, 0x3c6f
lock cmpxchg dword [esi], ecx
cmp eax, 0x3c6f
je 0x4646df
lea eax, [edx + 1]
xor edx, edx
mov ecx, dword [0x403ef8]
div ecx
mov eax, dword [ebp - 0x7c]
cmp eax, dword [ebp - 0x84]
jb 0x4644ba
xor eax, eax
test eax, eax
mov dword [ebp - 0x64], eax
jne 0x46457b
call dword [sym.imp.kernel32.dll_GetLastError]
mov dword [ebp - 0x80], eax
xor esi, esi
inc esi
push 0x40
push 0x1000
push dword [ebp - 0x6c]
push 0
call dword [sym.imp.kernel32.dll_VirtualAlloc]
test eax, eax
jne 0x4646f2
push eax
call dword [sym.imp.kernel32.dll_Sleep]
cmp esi, 0x11
jb 0x464509
xor esi, esi
mov dword [ebp - 0x64], esi
cmp dword [0x51b2c4], esi
ja 0x464545
test esi, 3
je 0x46455c
test esi, esi
je 0x464557
push 0x8000
push 0
push esi
call dword [sym.imp.kernel32.dll_VirtualFree]
xor esi, esi
mov dword [ebp - 0x64], esi
push dword [ebp - 0x80]
call dword [sym.imp.kernel32.dll_SetLastError]
test esi, esi
je 0x464456
mov eax, dword [ebp - 0x6c]
test eax, eax
je 0x46457b
mov byte [esi], 0
inc esi
dec eax
jne 0x464574
mov eax, 0xdfd1d728
mov eax, dword [edi]
mov ecx, eax
shr eax, 1
and eax, ebx
mov ebx, eax
mov esi, 0x400000
shr ecx, 0x1d
lea edi, [ecx + edi + 8]
lea eax, [ebx + edi]
mov dword [ebp - 0x80], eax
mov eax, dword [0x4c7398]
sub eax, ebx
lea ecx, [eax + 1]
mov dword [ebp - 0x7c], edi
sub dword [ebp - 0x7c], esi
xor eax, eax
mov dword [ebp - 0x84], edi
mov dword [ebp - 0xc8], ebx
mov dword [ebp - 0x6c], ecx
test ecx, ecx
je 0x4645e7
mov edx, dword [0x51b214]
imul edx, edx, 0x343fd
add edx, 0x269ec3
mov dword [0x51b214], edx
shr edx, 0x10
shl eax, 0x10
or eax, edx
shr dword [ebp - 0x6c], 0x10
jne 0x4645c1
xor edx, edx
div ecx
mov eax, dword [ebp - 0x64]
add eax, edx
push eax
push ebx
push dword [ebp - 0x7c]
mov dword [ebp - 0x64], eax
mov eax, 0x15010903
mov eax, dword [ebp - 0x80]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0xec], eax
mov eax, dword [ebp - 0x64]
add esp, 0xc
mov dword [ebp - 0xd0], edi
mov dword [ebp - 0xf0], ecx
mov byte [ebp - 0x55], 0
test ebx, ebx
mov dword [ebp - 0xcc], ebx
mov edi, 0xfffff000
mov dword [ebp - 0x6c], eax
je 0x464d66
lea eax, [ebp - 0xf0]
push eax
mov eax, 0x92cd58a8
mov eax, dword [ebp - 0xec]
mov ebx, dword [ebp - 0xf0]
and dword [ebp - 0x60], 0
and dword [ebp - 0x5c], 0
pop ecx
mov ecx, 0xfffffff
and eax, ecx
and ebx, ecx
mov ecx, dword [0x402600]
mov dword [ebp - 0x78], eax
mov eax, esi
add ebx, esi
sub eax, ecx
mov dword [ebp - 0xf8], eax
jne 0x4646fc
xor edi, edi
cmp dword [ebp - 0x78], edi
jbe 0x46496c
mov ecx, 0x799186ea
mov esi, 0x7fffffff
movzx eax, byte [edi + ebx]
add eax, ecx
add dword [ebp - 0x60], eax
add eax, dword [ebp - 0x5c]
mov edx, ecx
mul edx
lea edx, [eax + edx*2 - 0x7fffffff]
sar eax, 0x1f
and eax, esi
sub edx, eax
mov eax, edx
sar eax, 0x1f
and eax, esi
add eax, edx
mov edx, ecx
mul edx
add eax, edx
mov edx, eax
imul edx, edx, 0x6d29
rol edx, 0xa
ror eax, 0xa
xor edx, eax
add dword [ebp - 0x60], edx
inc edi
cmp edi, dword [ebp - 0x78]
mov dword [ebp - 0x5c], edx
jb 0x464691
jmp 0x46496c
mov eax, dword [0x4c7398]
imul eax, edx
lea eax, [eax + section..data]
jmp 0x4644f7
mov dword [ebp - 0x64], eax
mov esi, eax
jmp 0x464535
mov ecx, ebx
mov edx, dword [0x40003c]
lea edx, [edx + 0x4000a0]
mov eax, dword [ebp - 0x78]
add eax, ebx
mov dword [ebp - 0x70], eax
mov eax, dword [edx]
mov edx, dword [edx + 4]
add eax, esi
sub ecx, esi
mov dword [ebp - 0x74], edx
mov esi, ecx
and esi, edi
mov edx, dword [ebp - 0x78]
mov dword [ebp - 0x68], esi
mov esi, ecx
sub esi, dword [ebp - 0x68]
add ecx, edx
mov edx, ecx
and edx, edi
sub ecx, edx
mov dword [ebp - 0xe0], ecx
mov ecx, dword [ebp - 0x74]
add ecx, eax
mov edi, eax
cmp eax, ecx
mov dword [ebp - 0xe4], edx
mov dword [ebp - 0xdc], ecx
je 0x464760
mov eax, dword [edi]
cmp eax, dword [ebp - 0x68]
jae 0x464760
add edi, dword [edi + 4]
cmp edi, ecx
jne 0x464752
and dword [ebp - 0xd4], 0
cmp edi, ecx
je 0x46479f
mov eax, dword [ebp - 0x68]
cmp dword [edi], eax
jne 0x46479f
mov eax, dword [edi + 4]
sub eax, 8
shr eax, 1
je 0x46479f
mov ecx, dword [ebp - 0xd4]
movzx ecx, word [edi + ecx*2 + 8]
and ecx, 0xfff
cmp ecx, esi
jae 0x46479f
inc dword [ebp - 0xd4]
cmp dword [ebp - 0xd4], eax
jne 0x46477c
mov ecx, 0x799186ea
mov esi, 0x7fffffff
cmp edi, dword [ebp - 0xdc]
je 0x464917
cmp dword [edi], edx
ja 0x464917
mov eax, dword [edi + 4]
lea edx, [eax - 8]
mov eax, dword [ebp - 0xd4]
shr edx, 1
cmp eax, edx
jne 0x4647f5
add edi, dword [edi + 4]
cmp edi, dword [ebp - 0xdc]
je 0x464917
mov eax, dword [ebp - 0xe4]
cmp dword [edi], eax
ja 0x464917
and dword [ebp - 0xd4], 0
jmp 0x4647bd
mov edx, dword [ebp - 0xe4]
cmp dword [edi], edx
jne 0x46481b
movzx eax, word [edi + eax*2 + 8]
and eax, 0xfff
cmp eax, dword [ebp - 0xe0]
jae 0x464917
mov eax, dword [ebp - 0xd4]
inc dword [ebp - 0xd4]
test word [edi + eax*2 + 8], 0xf000
mov dword [ebp - 0x74], eax
je 0x4647a9
mov edx, dword [edi]
movzx eax, word [edi + eax*2 + 8]
and dword [ebp - 0x78], 0
and eax, 0xfff
lea eax, [eax + edx + 0x400000]
mov dword [ebp - 0x68], eax
sub dword [ebp - 0x68], ebx
mov dword [ebp - 0x74], eax
je 0x4648a6
mov edx, ecx
mov eax, dword [ebp - 0x78]
movzx eax, byte [eax + ebx]
add eax, ecx
add dword [ebp - 0x60], eax
add eax, dword [ebp - 0x5c]
mul edx
lea edx, [eax + edx*2 - 0x7fffffff]
sar eax, 0x1f
and eax, esi
sub edx, eax
mov eax, edx
sar eax, 0x1f
and eax, esi
add eax, edx
mov edx, ecx
mul edx
add eax, edx
mov edx, eax
imul edx, edx, 0x6d29
rol edx, 0xa
ror eax, 0xa
xor edx, eax
mov eax, edx
add dword [ebp - 0x60], eax
inc dword [ebp - 0x78]
mov eax, dword [ebp - 0x78]
cmp eax, dword [ebp - 0x68]
mov dword [ebp - 0x5c], edx
jb 0x464853
mov eax, dword [ebp - 0x74]
mov eax, dword [eax]
sub eax, dword [ebp - 0xf8]
mov dword [ebp - 0xf4], eax
xor ebx, ebx
mov edx, ecx
movzx eax, byte [ebp + ebx - 0xf4]
add eax, ecx
add dword [ebp - 0x60], eax
add eax, dword [ebp - 0x5c]
mul edx
lea edx, [eax + edx*2 - 0x7fffffff]
sar eax, 0x1f
and eax, esi
sub edx, eax
mov eax, edx
sar eax, 0x1f
and eax, esi
add eax, edx
mov edx, ecx
mul edx
add eax, edx
mov edx, eax
imul edx, edx, 0x6d29
rol edx, 0xa
ror eax, 0xa
xor edx, eax
add dword [ebp - 0x60], edx
inc ebx
cmp ebx, 4
mov dword [ebp - 0x5c], edx
jb 0x4648b9
mov edx, dword [ebp - 0xe4]
mov ebx, dword [ebp - 0x74]
add ebx, 4
jmp 0x4647a9
mov eax, dword [ebp - 0x70]
xor edi, edi
sub eax, ebx
mov dword [ebp - 0x70], eax
je 0x46496c
mov edx, ecx
movzx eax, byte [edi + ebx]
add eax, ecx
add dword [ebp - 0x60], eax
add eax, dword [ebp - 0x5c]
mul edx
lea edx, [eax + edx*2 - 0x7fffffff]
sar eax, 0x1f
and eax, esi
sub edx, eax
mov eax, edx
sar eax, 0x1f
and eax, esi
add eax, edx
mov edx, ecx
mul edx
add eax, edx
mov edx, eax
imul edx, edx, 0x6d29
rol edx, 0xa
ror eax, 0xa
xor edx, eax
add dword [ebp - 0x60], edx
inc edi
cmp edi, dword [ebp - 0x70]
mov dword [ebp - 0x5c], edx
jb 0x464923
xor edi, edi
xor eax, eax
mov ecx, eax
and ecx, 7
mov cl, byte [ebp + ecx - 0x60]
mov byte [ebp + eax - 0x54], cl
inc eax
cmp eax, 0x10
jb 0x464970
mov eax, 0x23a517a5
mov eax, dword [ebp - 0x54]
mov edx, dword [ebp - 0x4c]
mov esi, dword [ebp - 0x48]
mov ecx, dword [ebp - 0x50]
mov dword [ebp - 0x134], eax
mov dword [ebp - 0x10c], eax
mov eax, dword [0x5294e0]
mov dword [ebp - 0x130], ecx
mov dword [ebp - 0x108], ecx
mov ecx, dword [eax]
mov dword [ebp - 0x138], ecx
mov ecx, dword [eax + 4]
mov dword [ebp - 0x124], ecx
mov ecx, dword [eax + 8]
mov eax, dword [eax + 0xc]
mov dword [ebp - 0xfc], eax
mov eax, dword [ebp - 0x64]
mov dword [ebp - 0x110], ecx
lea ecx, [ebp - 0x44]
sub eax, ecx
mov dword [ebp - 0x68], eax
mov eax, dword [ebp - 0x84]
sub eax, dword [ebp - 0x64]
mov dword [ebp - 0x12c], edx
mov dword [ebp - 0x128], esi
mov dword [ebp - 0x104], edx
mov dword [ebp - 0x100], esi
mov dword [ebp - 0x120], edi
mov dword [ebp - 0x11c], edi
mov dword [ebp - 0x118], edi
mov dword [ebp - 0x114], edi
mov dword [ebp - 0x70], eax
push 0x10
pop ecx
lea edi, [ebp - 0xc4]
lea esi, [ebp - 0x138]
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebp - 0xa4]
mov edx, dword [ebp - 0x94]
mov esi, dword [ebp - 0xc4]
mov eax, dword [ebp - 0xb4]
mov dword [ebp - 0x74], 3
lea edi, [edx + esi]
rol edi, 7
mov ebx, dword [ebp - 0xb0]
xor eax, edi
lea edi, [esi + eax]
rol edi, 9
xor ecx, edi
lea edi, [ecx + eax]
rol edi, 0xd
xor edx, edi
lea edi, [ecx + edx]
ror edi, 0xe
xor esi, edi
mov edi, dword [ebp - 0xc0]
add edi, ebx
rol edi, 7
xor dword [ebp - 0xa0], edi
mov edi, ebx
mov ebx, dword [ebp - 0xa0]
add edi, ebx
rol edi, 9
xor dword [ebp - 0x90], edi
mov edi, ebx
mov ebx, dword [ebp - 0x90]
add ebx, edi
mov edi, dword [ebp - 0x90]
rol ebx, 0xd
xor dword [ebp - 0xc0], ebx
mov ebx, dword [ebp - 0xc0]
add edi, ebx
ror edi, 0xe
mov ebx, dword [ebp - 0x9c]
xor dword [ebp - 0xb0], edi
mov edi, dword [ebp - 0xac]
add edi, ebx
rol edi, 7
xor dword [ebp - 0x8c], edi
mov edi, ebx
mov ebx, dword [ebp - 0x8c]
add edi, ebx
rol edi, 9
xor dword [ebp - 0xbc], edi
mov edi, ebx
mov ebx, dword [ebp - 0xbc]
add ebx, edi
rol ebx, 0xd
mov edi, dword [ebp - 0xbc]
xor dword [ebp - 0xac], ebx
mov ebx, dword [ebp - 0xac]
add edi, ebx
ror edi, 0xe
mov ebx, dword [ebp - 0x88]
xor dword [ebp - 0x9c], edi
mov edi, dword [ebp - 0x98]
add edi, ebx
rol edi, 7
xor dword [ebp - 0xb8], edi
mov edi, ebx
mov ebx, dword [ebp - 0xb8]
add edi, ebx
rol edi, 9
xor dword [ebp - 0xa8], edi
mov edi, ebx
mov ebx, dword [ebp - 0xa8]
add ebx, edi
rol ebx, 0xd
mov edi, dword [ebp - 0xa8]
xor dword [ebp - 0x98], ebx
mov ebx, dword [ebp - 0x98]
add edi, ebx
ror edi, 0xe
xor dword [ebp - 0x88], edi
mov edi, dword [ebp - 0xb8]
add edi, esi
rol edi, 7
xor dword [ebp - 0xc0], edi
mov edi, dword [ebp - 0xc0]
add edi, esi
rol edi, 9
xor dword [ebp - 0xbc], edi
mov ebx, dword [ebp - 0xbc]
mov edi, dword [ebp - 0xc0]
add ebx, edi
rol ebx, 0xd
mov edi, dword [ebp - 0xbc]
xor dword [ebp - 0xb8], ebx
mov ebx, dword [ebp - 0xb8]
add ebx, edi
mov edi, dword [ebp - 0xb0]
add edi, eax
ror ebx, 0xe
xor esi, ebx
rol edi, 7
xor dword [ebp - 0xac], edi
mov edi, dword [ebp - 0xb0]
mov ebx, dword [ebp - 0xac]
add ebx, edi
mov edi, dword [ebp - 0xac]
rol ebx, 9
xor dword [ebp - 0xa8], ebx
mov ebx, dword [ebp - 0xa8]
add ebx, edi
mov edi, dword [ebp - 0xa8]
rol ebx, 0xd
xor eax, ebx
mov ebx, dword [ebp - 0xa0]
add edi, eax
ror edi, 0xe
xor dword [ebp - 0xb0], edi
mov edi, dword [ebp - 0x9c]
add edi, ebx
rol edi, 7
xor dword [ebp - 0x98], edi
mov ebx, dword [ebp - 0x98]
mov edi, dword [ebp - 0x9c]
add ebx, edi
mov edi, dword [ebp - 0x98]
rol ebx, 9
xor ecx, ebx
mov ebx, dword [ebp - 0x8c]
add edi, ecx
rol edi, 0xd
xor dword [ebp - 0xa0], edi
mov edi, dword [ebp - 0xa0]
add edi, ecx
ror edi, 0xe
xor dword [ebp - 0x9c], edi
mov edi, dword [ebp - 0x88]
add edi, ebx
rol edi, 7
xor edx, edi
mov edi, dword [ebp - 0x88]
add edi, edx
rol edi, 9
xor dword [ebp - 0x90], edi
mov edi, dword [ebp - 0x90]
add edi, edx
rol edi, 0xd
xor dword [ebp - 0x8c], edi
mov edi, dword [ebp - 0x90]
mov ebx, dword [ebp - 0x8c]
add ebx, edi
ror ebx, 0xe
xor dword [ebp - 0x88], ebx
dec dword [ebp - 0x74]
jne 0x464a4b
mov dword [ebp - 0x94], edx
push 0x40
xor edx, edx
mov dword [ebp - 0xb4], eax
xor eax, eax
mov dword [ebp - 0xa4], ecx
mov dword [ebp - 0xc4], esi
pop ebx
mov ecx, dword [ebp + eax - 0x138]
add dword [ebp + eax - 0xc4], ecx
add eax, 4
cmp eax, ebx
jl 0x464cbf
inc dword [ebp - 0x118]
lea esi, [ebp - 0xc4]
cmp dword [ebp - 0xcc], ebx
lea edi, [ebp - 0x44]
push 0x10
pop ecx
rep movsd dword es:[edi], dword [esi]
jbe 0x464d26
mov esi, dword [ebp - 0x68]
mov eax, dword [ebp - 0x70]
lea edi, [esi + eax]
lea ecx, [ebp + edx - 0x44]
mov al, byte [ecx + edi]
xor al, byte [ecx]
xor byte [ebp - 0x55], al
inc edx
cmp edx, ebx
mov byte [ecx + esi], al
jb 0x464cf9
sub dword [ebp - 0xcc], ebx
add dword [ebp - 0x6c], ebx
add esi, ebx
add dword [ebp - 0xd0], ebx
mov dword [ebp - 0x68], esi
jmp 0x464a1b
cmp dword [ebp - 0xcc], edx
jbe 0x464d56
mov edi, dword [ebp - 0x6c]
lea eax, [ebp - 0x44]
mov esi, dword [ebp - 0xd0]
sub esi, eax
sub edi, eax
lea ecx, [ebp + edx - 0x44]
mov al, byte [ecx + esi]
xor al, byte [ecx]
xor byte [ebp - 0x55], al
inc edx
cmp edx, dword [ebp - 0xcc]
mov byte [ecx + edi], al
jb 0x464d3e
mov esi, 0x400000
mov ebx, dword [ebp - 0xc8]
mov edi, 0xfffff000
mov eax, dword [ebp - 0x80]
mov al, byte [eax + 8]
xor al, byte [ebp - 0x55]
je 0x464dfa
call fcn.004fdc7b
mov edx, 0xffff
mov ebx, eax
mov eax, dword [ebp - 0xe8]
mov dword [eax + 8], 0x4b3c5b
lea ecx, [eax + 0xc]
and ecx, 0xfffffffc
lea esi, [ecx + 0xfff]
and ebx, edi
and esi, edi
xor eax, eax
mov edi, dword [0x51b214]
imul edi, edi, 0x343fd
add edi, 0x269ec3
mov dword [0x51b214], edi
shr edi, 0x10
shl eax, 0x10
or eax, edi
shr edx, 0x10
jne 0x464da0
mov edi, 0xffff
xor edx, edx
div edi
inc edx
mov dword [ebp - 0x150], ebx
mov dword [ebp - 0x144], edx
mov dword [ebp - 0x70], 0
jmp 0x464dec
mov eax, dword [ebp - 0x70]
mov dword [ecx], eax
add ecx, 4
cmp ecx, esi
jb 0x464de4
mov eax, 0x4b3c5b
jmp 0x464ed3
mov eax, dword [ebp - 0x84]
sub eax, dword [ebp - 0x64]
mov ecx, dword [0x402600]
sub esi, ecx
mov dword [ebp - 0xc8], eax
mov dword [ebp - 0x80], esi
jne 0x464e1e
test eax, eax
je 0x464ec6
mov ecx, dword [0x4bebb0]
mov edi, dword [ebp - 0x7c]
mov esi, dword [ebp - 0x64]
lea eax, [ebx + edi]
sub esi, dword [ebp - 0x84]
xor ebx, ebx
mov dword [ebp - 0x70], eax
dec ecx
js 0x464e62
lea eax, [ebx + ecx]
cdq
sub eax, edx
sar eax, 1
mov edx, dword [eax*4 + 0x4bebb4]
and edx, 0xfffffff
cmp edi, edx
jae 0x464e59
lea ecx, [eax - 1]
jmp 0x464e5e
jbe 0x464e66
lea ebx, [eax + 1]
cmp ecx, ebx
jge 0x464e3b
mov edi, ebx
jmp 0x464ebe
mov edi, eax
jmp 0x464ebe
mov eax, dword [edi*4 + 0x4bebb4]
mov ecx, eax
and ecx, 0xfffffff
cmp ecx, dword [ebp - 0x70]
jae 0x464ec6
lea ebx, [ecx + esi + 0x400000]
mov ecx, eax
shl ecx, 2
sar ecx, 0x1e
sar eax, 0x1e
and ecx, 3
and eax, 3
xor edx, edx
dec ecx
je 0x464eae
dec ecx
je 0x464ea6
dec ecx
jne 0x464eb7
mov edx, dword [ebp - 0x80]
jmp 0x464eb7
mov edx, dword [ebp - 0xc8]
jmp 0x464eb7
mov edx, dword [ebp - 0x80]
sub edx, dword [ebp - 0xc8]
dec eax
dec eax
jne 0x464ebd
add dword [ebx], edx
inc edi
cmp edi, dword [0x4bebb0]
jb 0x464e6a
mov eax, dword [0x4c7398]
mov eax, 0x1ed6b499
mov eax, dword [ebp - 0x64]
mov ecx, dword [ebp - 0xe8]
mov dword [ecx + 8], eax
mov edx, dword [ebp - 0x150]
mov edi, dword [ebp - 0x140]
mov ecx, dword [ebp - 0x144]
mov eax, dword [ebp - 0x14c]
mov ebx, dword [ebp - 0x148]
mov esi, dword [ebp - 0x13c]
mov esp, ebp
pop ebp
popfd
ret