joyce8/EMBER2024-capa huggingface dataset:
Function at 0x435010
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x10]
mov eax, dword [edi]
add eax, eax
mov dword [edi], 0
mov dword [ebp + 0x10], eax
lea eax, [ebp + 0x10]
push eax
push esi
lea eax, [ebp + 0xc]
push eax
push 0
push dword [ebp + 8]
push dword [ecx]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x435081
mov eax, dword [ebp + 0xc]
cmp eax, 1
je 0x43504f
cmp eax, 2
jne 0x43506b
mov ecx, dword [ebp + 0x10]
test esi, esi
je 0x43507b
test ecx, ecx
je 0x435076
test cl, 1
jne 0x43506b
mov eax, ecx
shr eax, 1
cmp word [esi + eax*2 - 2], 0
je 0x43507b
pop edi
mov eax, 0xd
pop esi
pop ebp
ret 0xc
xor eax, eax
mov word [esi], ax
shr ecx, 1
xor eax, eax
mov dword [edi], ecx
pop edi
pop esi
pop ebp
ret 0xc
Function at 0x435b40
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x2858
call fcn.0049ac50
mov eax, dword [0x589bb4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x804]
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x10]
push 0x800
push 0
push eax
call fcn.004d5e40
add esp, 0xc
cmp dword [ebp + 0x24], 0
je 0x435bf4
test esi, esi
je 0x435c29
push 0x1000
lea eax, [ebp - 0x1804]
push 0
push eax
call fcn.004d5e40
add esp, 0xc
push esi
call dword [sym.imp.SHLWAPI.dll_PathIsRelativeW]
test eax, eax
je 0x435bdd
push 0x800
lea eax, [ebp - 0x1804]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x1804]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
push esi
lea eax, [ebp - 0x1804]
push eax
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea esi, [ebp - 0x1804]
push 0x400
lea eax, [ebp - 0x804]
push esi
push eax
call fcn.00501b57
add esp, 0xc
jmp 0x435c10
lea ecx, [ebp - 0x804]
sub ecx, esi
nop dword [eax]
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x435c00
cmp dword [ebp + 0x20], 0
je 0x435c3c
lea eax, [ebp - 0x804]
push eax
call fcn.00494590
add esp, 4
test eax, eax
jne 0x435c3c
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret
xorps xmm0, xmm0
mov dword [ebp - 0x2858], 0x44
lea eax, [ebp - 0x2858]
movlpd qword [ebp - 0x2854], xmm0
push eax
movlpd qword [ebp - 0x284c], xmm0
movlpd qword [ebp - 0x2844], xmm0
movlpd qword [ebp - 0x283c], xmm0
movlpd qword [ebp - 0x2834], xmm0
movlpd qword [ebp - 0x282c], xmm0
movlpd qword [ebp - 0x2824], xmm0
movlpd qword [ebp - 0x281c], xmm0
call dword [sym.imp.KERNEL32.dll_GetStartupInfoW]
mov ax, word [ebp + 0x14]
xorps xmm0, xmm0
push 0x1000
mov word [ebp - 0x2828], ax
lea eax, [ebp - 0x2804]
push 0
push eax
mov dword [ebp - 0x282c], 1
movups xmmword [ebp - 0x2814], xmm0
call fcn.004d5e40
add esp, 0xc
lea eax, [ebp - 0x804]
test edi, edi
je 0x435ced
push edi
push eax
lea eax, [ebp - 0x2804]
push 0x547bf4
push eax
call fcn.00431770
add esp, 0x10
jmp 0x435d02
push eax
lea eax, [ebp - 0x2804]
push 0x547c04
push eax
call fcn.00431770
add esp, 0xc
lea eax, [ebp - 0x2814]
push eax
lea eax, [ebp - 0x2858]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
lea eax, [ebp - 0x2804]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
mov edi, eax
test edi, edi
je 0x435d70
cmp dword [ebp + 0x18], 0
je 0x435d46
push dword [ebp + 0x1c]
push dword [ebp - 0x2814]
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov eax, dword [ebp + 0x28]
test eax, eax
je 0x435d5a
push eax
push dword [ebp - 0x2814]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push dword [ebp - 0x2810]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0x2814]
call esi
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret
Function at 0x435f50
Capabilities:
Check if file exists
Delete file
Get file attributes
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52e6e8
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x589bb4]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, dword [ebp + 8]
xor edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x435fcb
test al, 0x10
je 0x435fcb
push esi
mov edi, 1
call fcn.0040f570
add esp, 4
test eax, eax
jne 0x435fee
push 0x80
push esi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
je 0x435fee
push esi
test edi, edi
jne 0x435fe6
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
je 0x435fee
push esi
push str.DeleteFile:_s_suceesss
call fcn.00446c40
add esp, 8
jmp 0x435fee
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
je 0x435f9c
push esi
push str.DeleteFile:_s_suceesss
call fcn.00446c40
add esp, 8
jmp 0x435fee
call fcn.0040f570
add esp, 4
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x43606f
push esi
lea ecx, [ebp - 0x10]
call fcn.0040df50
mov esi, dword [ebp + 0xc]
mov dword [ebp - 4], 0
mov edi, dword [esi + 4]
cmp dword [esi + 8], edi
je 0x43602e
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
push eax
call fcn.0040c3d0
add eax, 0x10
add esp, 4
mov dword [edi], eax
add dword [esi + 4], 4
jmp 0x43603a
lea eax, [ebp - 0x10]
mov ecx, esi
push eax
push edi
call fcn.00431270
mov edx, dword [ebp - 0x10]
or eax, 0xffffffff
mov dword [ebp - 4], 0xffffffff
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x43605c
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x43c8a0
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 8]
push ebx
mov ebx, ecx
push esi
mov eax, dword [eax]
lea ecx, [ebx + 4]
push edi
mov edi, dword [ecx]
sub edi, 0x10
mov dword [ebp - 4], eax
lea esi, [eax - 0x10]
cmp esi, edi
je 0x43c947
cmp dword [edi + 0xc], 0
jl 0x43c93e
mov edx, dword [esi]
cmp edx, dword [edi]
jne 0x43c93e
mov eax, dword [edx]
mov ecx, edx
call dword [eax + 0x10]
cmp dword [esi + 0xc], 0
mov ecx, eax
lea eax, [esi + 0xc]
jl 0x43c8eb
cmp ecx, dword [esi]
jne 0x43c8eb
lock inc dword [eax]
jmp 0x43c91f
mov eax, dword [ecx]
lea edx, [esi + 4]
push 2
push dword [edx]
mov dword [ebp + 8], edx
call dword [eax]
mov esi, eax
test esi, esi
je 0x43c996
mov ecx, dword [ebp + 8]
mov eax, dword [ecx]
mov dword [esi + 4], eax
mov eax, dword [ecx]
inc eax
push eax
push dword [ebp - 4]
push eax
lea eax, [esi + 0x10]
push eax
call fcn.0040c430
add esp, 0x10
or eax, 0xffffffff
lea ecx, [edi + 0xc]
lock xadd dword [ecx], eax
dec eax
test eax, eax
jg 0x43c936
mov ecx, dword [edi]
push edi
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [esi + 0x10]
mov dword [ebx + 4], eax
jmp 0x43c947
push dword [eax - 0xc]
push eax
call fcn.0040d780
mov eax, dword [ebp + 0xc]
mov dword [ebx + 0xc], eax
mov eax, dword [ebp + 0x10]
mov dword [ebx + 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp al, 6
jb 0x43c98d
push str.GlobalLDS_59C080E0_894C_487c_B874_5B6EBFDB2A15
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventW]
push 2
push 0
push 0
push 0x43d450
push 0
push SysReAllocString
push 1
mov dword [ebx + 8], eax
call dword [sym.imp.USER32.dll_SetWinEventHook]
mov dword [ebx], eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
call fcn.0040b210
int3
Function at 0x43c9b0
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52f16b
mov eax, dword fs:[0]
push eax
sub esp, 0x240
mov eax, dword [0x589bb4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x228], ecx
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x218]
push 0x208
push 0
push eax
mov dword [ebp - 0x21c], edi
call fcn.004d5e40
add esp, 0xc
cmp dword [0x5881c0], 0
je 0x43caee
mov esi, dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push str.GetNativeSystemInfo
push 0x543e48
call esi
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call edi
test eax, eax
je 0x43cade
xorps xmm0, xmm0
mov dword [ebp - 0x22c], 0
lea ecx, [ebp - 0x24c]
push ecx
movups xmmword [ebp - 0x24c], xmm0
movups xmmword [ebp - 0x23c], xmm0
call eax
mov ax, word [ebp - 0x24c]
cmp ax, 9
je 0x43cad4
cmp ax, 6
je 0x43cad4
cmp ax, 0xc
je 0x43cad4
push str.IsWow64Process2
push 0x5462e8
mov dword [ebp - 0x224], 0
mov dword [ebp - 0x220], 0
call esi
push eax
call edi
mov esi, eax
test esi, esi
je 0x43cacb
lea eax, [ebp - 0x220]
push eax
lea eax, [ebp - 0x224]
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
test eax, eax
je 0x43cacb
xor eax, eax
mov ecx, 0xaa64
cmp word [ebp - 0x220], cx
sete al
mov dword [0x58e930], eax
jmp 0x43cade
xor eax, eax
mov dword [0x58e930], eax
jmp 0x43cade
mov dword [0x58e930], 1
mov edi, dword [ebp - 0x21c]
mov dword [0x5881c0], 0
cmp dword [0x58e930], 0
mov ecx, str.ComputerZ7.dll
mov eax, str.ComputerZ7_x64.dll
cmove eax, ecx
push eax
mov eax, dword [ebp - 0x228]
push dword [eax + 4]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x43cbd4
call fcn.0040cb40
mov ecx, eax
test ecx, ecx
je 0x43cbf1
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x21c], eax
lea eax, [ebp - 0x218]
mov dword [ebp - 4], 0
push eax
mov ecx, str._u__s___s_
test edi, edi
mov eax, str.__s___s
cmove eax, ecx
push eax
lea eax, [ebp - 0x21c]
push eax
call fcn.0040aeb0
mov esi, dword [ebp - 0x21c]
push 0
push 0
push 0x1388
push 1
push 0
push esi
push str.regsvr32.exe
push 0
call fcn.0043cc00
add esp, 0x2c
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
push str._tid:_d__CDeskBandInstallHelper::RegisterBand_bRegister:_d_Param:_s
call fcn.00446c40
add esp, 0x10
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x43cbcf
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret 4
push 0x80004005
call fcn.0040ab80
int3
Function at 0x43cca0
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x2858
call fcn.0049ac50
mov eax, dword [0x589bb4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x804]
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x10]
push 0x800
push 0
push eax
call fcn.004d5e40
add esp, 0xc
cmp dword [ebp + 0x24], 0
je 0x43cd54
test esi, esi
je 0x43cd89
push 0x1000
lea eax, [ebp - 0x1804]
push 0
push eax
call fcn.004d5e40
add esp, 0xc
push esi
call dword [sym.imp.SHLWAPI.dll_PathIsRelativeW]
test eax, eax
je 0x43cd3d
push 0x800
lea eax, [ebp - 0x1804]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x1804]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
push esi
lea eax, [ebp - 0x1804]
push eax
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea esi, [ebp - 0x1804]
push 0x400
lea eax, [ebp - 0x804]
push esi
push eax
call fcn.00501b57
add esp, 0xc
jmp 0x43cd70
lea ecx, [ebp - 0x804]
sub ecx, esi
nop dword [eax]
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x43cd60
cmp dword [ebp + 0x20], 0
je 0x43cd9c
lea eax, [ebp - 0x804]
push eax
call fcn.00494590
add esp, 4
test eax, eax
jne 0x43cd9c
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret
xorps xmm0, xmm0
mov dword [ebp - 0x2858], 0x44
lea eax, [ebp - 0x2858]
movlpd qword [ebp - 0x2854], xmm0
push eax
movlpd qword [ebp - 0x284c], xmm0
movlpd qword [ebp - 0x2844], xmm0
movlpd qword [ebp - 0x283c], xmm0
movlpd qword [ebp - 0x2834], xmm0
movlpd qword [ebp - 0x282c], xmm0
movlpd qword [ebp - 0x2824], xmm0
movlpd qword [ebp - 0x281c], xmm0
call dword [sym.imp.KERNEL32.dll_GetStartupInfoW]
mov ax, word [ebp + 0x14]
xorps xmm0, xmm0
push 0x1000
mov word [ebp - 0x2828], ax
lea eax, [ebp - 0x2804]
push 0
push eax
mov dword [ebp - 0x282c], 1
movups xmmword [ebp - 0x2814], xmm0
call fcn.004d5e40
add esp, 0xc
lea eax, [ebp - 0x804]
test edi, edi
je 0x43ce4d
push edi
push eax
lea eax, [ebp - 0x2804]
push 0x547bf4
push eax
call fcn.00431770
add esp, 0x10
jmp 0x43ce62
push eax
lea eax, [ebp - 0x2804]
push 0x547c04
push eax
call fcn.00431770
add esp, 0xc
lea eax, [ebp - 0x2814]
push eax
lea eax, [ebp - 0x2858]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
lea eax, [ebp - 0x2804]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
mov edi, eax
test edi, edi
je 0x43cebc
cmp dword [ebp + 0x18], 0
je 0x43cea6
push dword [ebp + 0x1c]
push dword [ebp - 0x2814]
call dword [sym.imp.USER32.dll_WaitForInputIdle]
push dword [ebp - 0x2810]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0x2814]
call esi
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret
Function at 0x43d650
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52f256
mov eax, dword fs:[0]
push eax
sub esp, 0x9c
mov eax, dword [0x589bb4]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov ebx, ecx
mov edi, dword [ebp + 8]
mov dword [ebp - 0xa0], ebx
mov dword [ebp - 0xa4], edi
mov dword [ebp - 0xa8], 0
push dword [edi]
mov dword [ebp - 4], 0
call dword [sym.imp.OLEAUT32.dll_SysStringLen]
mov dword [edi], 0
push dword [ebx]
call dword [sym.imp.USER32.dll_GetWindowTextLengthW]
mov esi, eax
xor eax, eax
mov dword [ebp - 0x9c], esi
mov dword [ebp - 0x98], eax
mov byte [ebp - 4], 1
test esi, esi
jle 0x43d76f
lea eax, [esi + 1]
mov byte [ebp - 4], 2
mov ecx, 2
mul ecx
test edx, edx
ja 0x43d7c0
jb 0x43d6f6
cmp eax, 0xffffffff
ja 0x43d7c0
cmp eax, 0x80
jbe 0x43d70b
push eax
lea ecx, [ebp - 0x98]
call fcn.0043d600
jmp 0x43d731
lea ecx, [ebp - 0x94]
mov dword [ebp - 0x98], ecx
jmp 0x43d737
mov ecx, dword [ebp - 0x98]
test ecx, ecx
je 0x43d75a
lea eax, [esi + 1]
push eax
push ecx
push dword [ebx]
call dword [sym.imp.USER32.dll_GetWindowTextW]
test eax, eax
jne 0x43d769
lea eax, [ebp - 0x94]
cmp dword [ebp - 0x98], eax
je 0x43d765
lea ecx, [ebp - 0x98]
call fcn.0043d630
xor eax, eax
jmp 0x43d7a2
mov eax, dword [ebp - 0x98]
push eax
call dword [sym.imp.OLEAUT32.dll_SysReAllocString]
xor ebx, ebx
mov dword [edi], eax
test esi, esi
je 0x43d783
test eax, eax
setne bl
lea eax, [ebp - 0x94]
cmp dword [ebp - 0x98], eax
je 0x43d7a0
lea ecx, [ebp - 0x98]
call fcn.0043d630
nop dword [eax]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret 4
push 0x80070216
call fcn.0040ab80
int3
Function at 0x43dd40
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
mov edi, ecx
mov dword [ebp - 4], edi
mov eax, dword [edi]
cmp eax, 0x270
jne 0x43dd9e
lea edx, [edi + 8]
mov esi, eax
nop dword [eax]
mov ecx, dword [edx - 4]
lea edx, [edx + 4]
xor ecx, dword [edx - 4]
and ecx, 0x7fffffff
xor ecx, dword [edx - 8]
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx + 0x62c]
xor eax, ecx
mov dword [edx + 0x9b8], eax
sub esi, 1
jne 0x43dd60
mov eax, dword [edi]
jmp 0x43de89
cmp eax, 0x4e0
jb 0x43de89
mov eax, dword [edi + 0x9c4]
push ebx
lea ebx, [edi + 0x9c4]
mov edi, 0xe3
nop dword [eax + eax]
mov ecx, dword [ebx + 4]
lea edx, [ebx + 4]
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [ebx + 0x634]
xor eax, ecx
mov dword [ebx - 0x9c0], eax
lea ebx, [edx]
mov eax, dword [edx]
sub edi, 1
jne 0x43ddc0
mov ebx, dword [ebp - 4]
mov edi, 0x18c
add ebx, 0xd50
mov eax, dword [ebx]
nop dword [eax]
mov ecx, eax
lea edx, [ebx + 4]
xor ecx, dword [edx]
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [ebx - 0xd4c]
xor eax, ecx
mov dword [ebx - 0x9c0], eax
lea ebx, [edx]
mov eax, dword [edx]
sub edi, 1
jne 0x43de10
mov edi, dword [ebp - 4]
pop ebx
mov ecx, dword [edi + 0x1380]
xor ecx, dword [edi + 4]
and ecx, 0x7fffffff
xor ecx, dword [edi + 0x1380]
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edi + 0x634]
xor eax, ecx
mov dword [edi + 0x9c0], eax
xor eax, eax
mov dword [edi], 0
mov edx, dword [edi + eax*4 + 4]
inc eax
mov dword [edi], eax
mov ecx, edx
mov eax, dword [edi + 0x1384]
shr ecx, 0xb
and eax, ecx
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov eax, edx
shr eax, 0x12
pop edi
xor eax, edx
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x43e260
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
mov dword [ebp - 8], ecx
push esi
and eax, 0x8000000f
jns 0x43e27b
dec eax
or eax, 0xfffffff0
add eax, 1
jne 0x43e3da
push 0
push 0x80
push 3
push 0
push 0
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x43e3da
lea eax, [ebp - 0x14]
xorps xmm0, xmm0
push eax
push esi
movq qword [ebp - 0x14], xmm0
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
je 0x43e3d3
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x43e3d3
cmp dword [ebp - 0x10], 0
jg 0x43e3d3
jl 0x43e2e4
cmp eax, 0x1000000
ja 0x43e3d3
push edi
push 0x1000000
call fcn.0049b148
add esp, 4
mov dword [ebp + 0x14], 0
mov edi, eax
lea eax, [ebp + 0x14]
push 0
push eax
push dword [ebp - 0x14]
push edi
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x43e3b7
cmp dword [ebp + 0x14], 0
je 0x43e3b7
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
call ebx
mov eax, dword [ebp + 0x14]
mov ecx, dword [ebp - 8]
mov dword [ebp + 8], eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp + 8]
mov dword [ebp - 4], 0
push eax
push edi
call fcn.0043e000
push 0
push 0x80
push 2
push 0
push 0
push 0x40000000
push dword [ebp + 0x10]
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
je 0x43e389
push 0
lea eax, [ebp - 0xc]
mov dword [ebp - 0xc], 0
push eax
push dword [ebp + 8]
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push edi
test eax, eax
jne 0x43e39f
call ebx
push 1
push esi
call fcn.0049a80e
add esp, 8
xor al, al
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0x10
call ebx
push 1
push esi
call fcn.0049a80e
add esp, 8
mov al, 1
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0x10
push 1
push edi
call fcn.0049a80e
add esp, 8
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
xor al, al
pop esi
mov esp, ebp
pop ebp
ret 0x10
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor al, al
pop esi
mov esp, ebp
pop ebp
ret 0x10

Function at 0x43f050
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52f668
mov eax, dword fs:[0]
push eax
mov eax, dword [0x589bb4]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
push 0
push dword [eax - 0x20]
call dword [sym.imp.USER32.dll_ShowWindow]
call fcn.0043ecb0
push 0
sub esp, 0x28
mov dword [ebp + 8], esp
mov dword [eax + 0x48], 1
mov eax, esp
mov dword [eax + 0x24], 0
push 1
push 0
push str.finish_launch
mov dword [ebp - 4], 0
call fcn.0042f5c0
mov ecx, eax
mov dword [ebp - 4], 0xffffffff
call fcn.0042b770
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov esp, ebp
pop ebp
ret 4
Function at 0x443d20
Capabilities:
Create process on windows

Disassembly:
push 1
push 0
push 0
push 4
push 0x54a34c
push 0
call fcn.0045e180
cmp eax, 6
jne 0x443d51
push 1
push 0
push 0
push str.https:__cdn_file_ssl_pc.ludashi.com_pc_appstore_ludashi_ludashisetup2020.exe
push 0x54651c
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
ret

Function at 0x444450
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52ffa6
mov eax, dword fs:[0]
push eax
sub esp, 0x424
mov eax, dword [0x589bb4]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov eax, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
mov dword [ebp - 0x420], eax
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x41c], eax
mov dword [ebp - 0x430], 0
mov dword [ebp - 4], 0
mov dword [ebp - 0x428], ecx
mov dword [ebp - 0x42c], 0
mov dword [ebp - 0x418], 0
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
push 0x60
push 0
push edi
mov byte [ebp - 4], 1
call ebx
mov esi, eax
mov dword [ebp - 0x424], esi
test esi, esi
jne 0x4444fc
push 2
push eax
push edi
call ebx
mov esi, eax
mov dword [ebp - 0x424], eax
test esi, esi
jne 0x4444fc
call fcn.00431c10
mov edi, eax
jmp 0x44461b
push dword [ebp - 0x41c]
push dword [ebp - 0x420]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov edi, eax
test edi, edi
jne 0x44451f
call fcn.00431c10
jmp 0x44460e
push edi
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
mov dword [ebp - 0x420], ebx
test ebx, ebx
jne 0x44453d
call fcn.00431c10
jmp 0x44460e
push edi
push esi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov edi, eax
mov dword [ebp - 0x41c], edi
lea eax, [edi + 1]
cmp eax, edi
jae 0x44455e
mov edi, 0x8007000e
jmp 0x444610
mov ecx, 2
mov byte [ebp - 4], 2
mul ecx
test edx, edx
ja 0x444654
jb 0x44457c
cmp eax, 0xffffffff
ja 0x444654
cmp eax, 0x400
jbe 0x444591
push eax
lea ecx, [ebp - 0x418]
call fcn.00440d10
jmp 0x4445b7
lea eax, [ebp - 0x414]
mov dword [ebp - 0x418], eax
jmp 0x4445b7
cmp dword [ebp - 0x418], 0
mov dword [ebp - 4], 1
jne 0x4445ce
mov edi, 0x8007000e
jmp 0x444610
push edi
push dword [ebp - 0x418]
push edi
push ebx
push 0
push 3
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
mov ecx, eax
test ecx, ecx
jne 0x4445ee
call fcn.00431c10
jmp 0x44460e
mov eax, dword [ebp - 0x418]
xor edx, edx
push dword [ebp + 0x14]
mov word [eax + ecx*2], dx
lea ecx, [ebp - 0x42c]
push dword [ebp - 0x418]
call fcn.004442b0
mov edi, eax
test esi, esi
je 0x44461b
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
lea eax, [ebp - 0x414]
cmp dword [ebp - 0x418], eax
je 0x444634
lea ecx, [ebp - 0x418]
call fcn.00442730
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0049a7f8
mov esp, ebp
pop ebp
ret 0x10
push 0x80070216
call fcn.0040ab80
int3