joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401000
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
sub esp, 8
lea esi, [ebp - 0xc]
push 0x400000
push esi
call fcn.00402886
add esp, 8
push dword [esi]
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x401092
Capabilities:
Accept command line arguments

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
mov eax, dword [ecx]
mov edi, dword [ebp + 8]
mov esi, ecx
test eax, eax
je 0x4010af
push eax
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov dword [esi], 0
xor eax, eax
mov dword [esi + 4], str.30C521FB_255B_46C8_9F0D_EE5AE371C9AA
mov ecx, esi
mov dword [esi + 0x18], eax
mov dword [esi + 0xc], eax
mov dword [esi + 8], eax
mov dword [esi + 0x13], eax
mov dword [esi + 0xf], eax
push edi
call fcn.004010e4
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov ecx, esi
push eax
call fcn.0040114a
pop esi
pop edi
pop ebp
ret 4

Function at 0x4010e4
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
push eax
mov esi, dword [ebp + 8]
mov dword [ebp - 0x10], ecx
push 0xa
push 1
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x40113f
mov edi, eax
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x40113f
mov ebx, eax
push edi
push esi
call dword [sym.imp.KERNEL32.dll_SizeofResource]
test eax, eax
je 0x40113f
mov edi, eax
and eax, 1
jne 0x40113f
push ebx
call dword [sym.imp.KERNEL32.dll_LockResource]
test eax, eax
je 0x40113f
and edi, 0xfffffffe
cmp word [eax + edi - 2], 0
jne 0x40113f
mov ecx, dword [ebp - 0x10]
mov dword [ecx + 0x18], eax
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
ret 4

Function at 0x40114a
Capabilities:
Accept command line arguments
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0xc
mov eax, dword [ebp + 8]
mov esi, ecx
mov dword [ecx + 8], eax
lea ecx, [ecx + 0xc]
mov dword [ebp - 0x10], ecx
push ecx
push eax
call dword [sym.imp.SHELL32.dll_CommandLineToArgvW]
test eax, eax
mov dword [esi], eax
je 0x401210
cmp dword [esi + 0xc], 2
jl 0x4011d4
mov edi, dword [sym.imp.KERNEL32.dll_lstrcmpiW]
mov ebx, 2
jmp 0x401189
mov eax, dword [esi]
inc ebx
push str.__system_level
push dword [eax + ebx*4 - 4]
call edi
test eax, eax
je 0x4011c0
mov eax, dword [esi]
push str.__cleanup
push dword [eax + ebx*4 - 4]
call edi
test eax, eax
je 0x4011c6
mov eax, dword [esi]
push str.__chrome_frame
push dword [eax + ebx*4 - 4]
call edi
test eax, eax
jne 0x4011cd
mov byte [esi + 0x16], 1
jmp 0x4011cd
mov byte [esi + 0x14], 1
jmp 0x4011cd
mov dword [esi + 0x10], 1
mov eax, dword [ebp - 0x10]
cmp ebx, dword [eax]
jl 0x401186
cmp byte [esi + 0x14], 0
jne 0x401208
xor eax, eax
lea edi, [ebp - 0x18]
mov word [edi + 4], ax
mov word [edi], ax
push 2
push edi
push str.AvastUpdateIsMachine
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
movzx ecx, word [edi]
cmp eax, 1
sete al
cmp ecx, 0x31
sete cl
and cl, al
mov byte [esi + 0x14], cl
mov al, 1
mov byte [esi + 0x15], 0
jmp 0x401212
xor eax, eax
add esp, 0xc
pop esi
pop edi
pop ebx
pop ebp
ret 4
Function at 0x40121c
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x220
mov eax, dword [0x405014]
test eax, eax
jne 0x401292
lea esi, [esp + 0x10]
push 0x208
push 0
push esi
call fcn.00401020
add esp, 0xc
xor edi, edi
mov ebx, 0x104
mov word [esp + 0x10], 0
push ebx
push esi
push dword [edi*4 + 0x404130]
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
dec eax
cmp eax, ebx
jae 0x40127c
push 8
push 0
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov dword [0x405014], eax
jmp 0x401281
mov eax, dword [0x405014]
test eax, eax
jne 0x401292
inc edi
cmp edi, 3
jb 0x40124f
mov eax, dword [0x40500c]
jmp 0x4012c9
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.FDICreate
push eax
call esi
mov dword [0x405008], eax
push str.FDIDestroy
push dword [0x405014]
call esi
mov dword [0x405010], eax
push str.FDICopy
push dword [0x405014]
call esi
mov dword [0x40500c], eax
xor ebx, ebx
cmp dword [0x405008], 0
je 0x4013e6
mov ecx, dword [0x405010]
test ecx, ecx
je 0x4013e6
test eax, eax
je 0x4013e6
mov ebx, dword [ebp + 8]
push ebx
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea esi, [ebx + eax*2]
test eax, eax
jle 0x40130e
movzx eax, word [esi]
cmp eax, 0x5c
je 0x40130e
add esi, 0xfffffffe
cmp esi, ebx
ja 0x4012ff
cmp esi, ebx
je 0x4013e4
add esi, 2
xor edx, edx
dec edx
mov ecx, esi
call fcn.004013f0
sub esi, ebx
mov ecx, ebx
mov edi, eax
mov dword [esp + 0xc], eax
sar esi, 1
mov edx, esi
call fcn.004013f0
mov ecx, dword [ebp + 0xc]
xor edx, edx
mov esi, eax
mov dword [esp + 8], eax
dec edx
call fcn.004013f0
xor ebx, ebx
test esi, esi
mov dword [esp + 4], eax
je 0x4013c7
test edi, edi
je 0x4013c7
test eax, eax
je 0x4013c7
xor ebx, ebx
lea eax, [esp + 0x10]
mov dword [esp], edi
mov dword [eax + 4], ebx
mov dword [eax], ebx
mov dword [eax + 8], ebx
push eax
push 0xffffffffffffffff
push 0x40146a
push 0x401480
push 0x401493
push 0x4014ce
push 0x401509
push 0x4015d3
push 0x4015ed
call dword [0x405008]
add esp, 0x24
test eax, eax
je 0x4013c7
mov edi, eax
push dword [ebp + 0xc]
push ebx
push 0x401607
push ebx
push esi
push dword [esp + 0x14]
push eax
call dword [0x40500c]
add esp, 0x1c
test eax, eax
setne bl
push edi
call dword [0x405010]
add esp, 4
lea ecx, [esp + 4]
call fcn.004016ae
lea ecx, [esp + 8]
call fcn.004016ae
lea ecx, [esp + 0xc]
call fcn.004016ae
jmp 0x4013e6
xor ebx, ebx
mov eax, ebx
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x4019c3
Capabilities:
Create process on windows
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0x70
mov esi, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
lea edx, [esp + 0x10]
xorps xmm0, xmm0
xor eax, eax
lea ecx, [esp + 0x28]
mov dword [ecx + 8], eax
mov dword [ecx + 4], eax
mov dword [ecx + 0x10], eax
mov dword [ecx + 0xc], eax
mov dword [ecx + 0x18], eax
mov dword [ecx + 0x14], eax
mov dword [ecx + 0x20], eax
mov dword [ecx + 0x1c], eax
mov dword [ecx + 0x28], eax
mov dword [ecx + 0x24], eax
mov dword [ecx + 0x30], eax
mov dword [ecx + 0x2c], eax
mov dword [ecx + 0x38], eax
mov dword [ecx + 0x34], eax
mov dword [ecx + 0x40], eax
mov dword [ecx + 0x3c], eax
mov dword [ecx], 0x44
movaps xmmword [edx], xmm0
push edx
push ecx
push eax
push eax
push 0x8000000
push eax
push eax
push eax
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x401a65
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0xc], 0
push 0xffffffffffffffff
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x401a83
mov edi, 0x6b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x401aa6
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp edi, 3
je 0x401aaa
cmp edi, 2
jne 0x401abc
mov ecx, dword [ebp + 0x14]
jmp 0x401aad
lea eax, [esp + 0xc]
push eax
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
test eax, eax
je 0x401a58
push dword [esp + 0x10]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0xc]
xor eax, eax
mov dword [esi], edi
jmp 0x401aaf
mov ecx, dword [ebp + 0x18]
mov dword [esi], ecx
mov dword [esi + 4], eax
mov eax, esi
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
mov eax, dword [ebp + 0x1c]
mov dword [esi], eax
mov dword [esi + 4], edi
jmp 0x401ab2
Function at 0x4021d1
Capabilities:
Get disk information

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
sub esp, 0x210
mov eax, dword [ebp + 8]
xor ebx, ebx
lea esi, [ebp - 0x218]
mov dword [ebp - 0xc], 0
mov word [esi + 0x208], bx
mov word [esi], bx
push 0x104
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetVolumePathNameW]
test eax, eax
je 0x402227
lea eax, [ebp - 0xc]
push ebx
push ebx
push eax
push ebx
push ebx
push ebx
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
test eax, eax
je 0x402227
mov bl, byte [ebp - 0xc]
and bl, 8
shr bl, 3
mov eax, ebx
add esp, 0x210
pop esi
pop ebx
pop ebp
ret

Function at 0x40238d
Capabilities:
Create directory
Generate random numbers via rtlgenrandom

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x20
mov eax, dword [ebp + 0x10]
mov edi, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
mov dword [eax + 4], 0
mov dword [eax], 0x6c
push esi
push 0x104
push edi
call fcn.00402adc
add esp, 0xc
test al, al
je 0x4024c7
push 0x4043e0
push 0x104
push edi
call fcn.00402b16
add esp, 0xc
test al, al
je 0x4024c7
mov eax, edi
mov edi, 0x104
push edi
push eax
call fcn.00402ab8
add esp, 8
sub edi, eax
mov ecx, eax
xor eax, eax
cmp edi, 0xb
jb 0x4024c9
lea edx, [ebp - 0x24]
mov dword [ebp - 0x10], ecx
mov dword [edx + 4], eax
mov dword [edx], eax
mov dword [edx - 4], 0xc
push edx
push esi
call fcn.004022cd
add esp, 8
test al, al
je 0x4024b5
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp + 0xc]
mov dword [ebp - 0x14], edi
mov esi, 0xfffffff6
mov dword [eax + 4], 0
mov dword [eax], 0x6d
mov eax, dword [ebp - 0x10]
lea ecx, [ecx + eax*2]
add eax, 5
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x18], eax
mov ebx, 4
push ebx
lea edi, [ebp - 0x2c]
push edi
call sub.ADVAPI32.dll_SystemFunction036
push dword [ebp - 0x14]
push dword [ebp - 0x1c]
push ebx
push edi
call fcn.00402a5c
add esp, 0x10
cmp dword [ebp - 0x18], 0x103
ja 0x402481
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp + 0xc]
mov word [ecx + eax*2 + 0xa], 0
push 0x4042fc
push 0x104
mov eax, dword [ebp + 0xc]
mov ebx, eax
push eax
call fcn.00402b16
add esp, 0xc
mov eax, dword [ebp - 0x24]
lea ecx, [ebp - 0x28]
test eax, eax
cmovne eax, ecx
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4024d1
inc esi
jne 0x40244c
jmp 0x4024f0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, dword [ebp + 0x10]
mov dword [ecx + 4], eax
mov dword [ecx], 0x75
xor eax, eax
add esp, 0x20
pop esi
pop edi
pop ebx
pop ebp
ret
push 0x404306
push 0x104
push dword [ebp + 0xc]
call fcn.00402b16
add esp, 0xc
mov ecx, dword [ebp + 0x10]
xor eax, eax
mov dword [ecx + 4], eax
mov dword [ecx], eax
mov eax, dword [ebp - 0x24]
test eax, eax
je 0x4024fe
push eax
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov eax, dword [ebp + 0x10]
cmp dword [eax], 0
sete al
jmp 0x4024c9
Function at 0x402509
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x20c
mov edi, dword [ebp + 0xc]
lea esi, [ebp - 0x218]
xor eax, eax
mov word [esi + 0x208], ax
mov word [esi], ax
push esi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
dec eax
cmp eax, 0x102
ja 0x402551
mov bl, 1
push dword [ebp + 0x10]
push edi
push esi
call fcn.0040238d
add esp, 0xc
test al, al
jne 0x402599
push 0x104
push esi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea ecx, [eax - 1]
cmp ecx, 0x102
ja 0x402597
push eax
push esi
call fcn.00402cd1
add esp, 8
xor ebx, ebx
cmp eax, esi
je 0x402599
mov word [eax], 0
mov eax, dword [ebp + 0x10]
mov dword [eax + 4], ebx
mov dword [eax], ebx
push eax
push edi
push esi
call fcn.0040238d
add esp, 0xc
mov ebx, eax
jmp 0x402599
xor ebx, ebx
mov eax, ebx
add esp, 0x20c
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x4025a6
Capabilities:
Delete directory
Delete file
Enumerate files on windows
Enumerate files recursively

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x254
mov ebx, dword [ebp + 8]
mov esi, 0x104
push esi
push ebx
call fcn.00402ab8
add esp, 8
mov edi, eax
push 0x40430a
push esi
push ebx
call fcn.00402b16
add esp, 0xc
test al, al
je 0x4026c2
mov dword [ebp - 0x10], edi
lea esi, [ebp - 0x260]
push 0x250
push 0
push esi
call fcn.00401020
add esp, 0xc
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
cmp eax, 0xffffffff
je 0x4026ab
mov ecx, dword [ebp - 0x10]
mov edi, eax
lea esi, [ecx + 1]
cmp word [ebp - 0x2c], 0
mov ecx, 0x2c
lea eax, [ebp - 0x234]
je 0x402629
mov ecx, 0x234
lea eax, [ebp - 0x2c]
movzx ecx, word [ebp + ecx - 0x260]
cmp ecx, 0x2e
jne 0x40264e
movzx ecx, word [eax + 2]
test cx, cx
je 0x40268e
movzx ecx, cx
cmp ecx, 0x2e
jne 0x40264e
cmp word [eax + 4], 0
je 0x40268e
cmp esi, 0x103
ja 0x402660
mov ecx, dword [ebp - 0x10]
mov word [ebx + ecx*2 + 2], 0
push eax
push 0x104
push ebx
call fcn.00402b16
add esp, 0xc
test al, al
je 0x40268e
test byte [ebp - 0x260], 0x10
jne 0x402685
push ebx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
jmp 0x40268e
push ebx
call fcn.004025a6
add esp, 4
lea eax, [ebp - 0x260]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x40260f
push edi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x10]
cmp eax, 0x103
ja 0x4026bb
mov word [ebx + eax*2], 0
push ebx
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
add esp, 0x254
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x4026cd
Capabilities:
Enumerate files on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x668
lea esi, [ebp - 0x674]
xor eax, eax
mov word [esi + 0x208], ax
mov word [esi], ax
push dword [ebp + 8]
push 0x104
push esi
call fcn.00402adc
add esp, 0xc
test al, al
je 0x402827
push dword [ebp + 0xc]
push 0x104
push esi
call fcn.00402b16
add esp, 0xc
test al, al
je 0x402827
push 0x404314
push 0x104
push esi
call fcn.00402b16
add esp, 0xc
test al, al
je 0x402827
xor edi, edi
lea ebx, [ebp - 0x25c]
push 0x250
push edi
push ebx
call fcn.00401020
add esp, 0xc
push edi
push edi
push 1
push ebx
push edi
push esi
call dword [sym.imp.KERNEL32.dll_FindFirstFileExW]
cmp eax, 0xffffffff
je 0x402827
mov edi, dword [sym.imp.KERNEL32.dll_FindNextFileW]
mov esi, eax
xor eax, eax
lea ecx, [ebp - 0x468]
mov word [ecx + 0x208], ax
mov word [ecx], ax
test byte [ebp - 0x25c], 0x10
je 0x40280e
cmp word [ebp - 0x28], 0
mov eax, 0x2c
lea ebx, [ebp - 0x230]
je 0x4027a6
mov eax, 0x234
lea ebx, [ebp - 0x28]
movzx eax, word [ebp + eax - 0x25c]
cmp eax, 0x2e
jne 0x4027cb
movzx eax, word [ebx + 2]
test ax, ax
je 0x40280e
movzx eax, ax
cmp eax, 0x2e
jne 0x4027cb
cmp word [ebx + 4], 0
je 0x40280e
push dword [ebp + 8]
push 0x104
lea eax, [ebp - 0x468]
push eax
call fcn.00402adc
add esp, 0xc
test al, al
je 0x40280e
push ebx
push 0x104
lea eax, [ebp - 0x468]
push eax
call fcn.00402b16
add esp, 0xc
test al, al
je 0x40280e
lea eax, [ebp - 0x468]
push eax
call fcn.004025a6
add esp, 4
lea eax, [ebp - 0x25c]
push eax
push esi
call edi
test eax, eax
jne 0x40277f
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
add esp, 0x668
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x402832
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
sub esp, 0x20c
lea esi, [ebp - 0x214]
xor eax, eax
mov word [esi + 0x208], ax
mov word [esi], ax
push esi
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
dec eax
cmp eax, 0x102
ja 0x40287c
mov edi, 0xfffffff8
push dword [edi + 0x404324]
push esi
call fcn.004026cd
add esp, 8
add edi, 4
jne 0x402868
add esp, 0x20c
pop esi
pop edi
pop ebp
ret
Function at 0x402886
Capabilities:
Delete directory
Delete file

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x660
mov esi, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
call fcn.00402832
lea edi, [esp + 0x1c]
xor eax, eax
mov ecx, edi
mov dword [esp], eax
mov dword [esp + 4], eax
call fcn.00401040
mov ecx, edi
push ebx
call fcn.00401092
test al, al
je 0x4028d9
cmp byte [esp + 0x32], 0
je 0x4028ed
mov dword [esi], 0x76
mov dword [esi + 4], 0
jmp 0x402a49
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esi], 0x65
mov dword [esi + 4], eax
jmp 0x402a49
cmp dword [esp + 0x2c], 1
jne 0x402905
xor eax, eax
mov dword [esp + 4], eax
mov dword [esp], eax
mov dword [esi + 4], eax
jmp 0x402a3c
xor eax, eax
lea ecx, [esp + 0x450]
mov word [ecx + 0x208], ax
mov word [ecx], ax
mov eax, esp
push eax
push ecx
push ebx
call fcn.00402509
add esp, 0xc
test al, al
je 0x402a40
push edi
call fcn.004017a8
add esp, 4
lea edx, [esp + 0x38]
xor eax, eax
lea ecx, [esp + 0x244]
mov word [ecx + 0x208], ax
mov word [edx + 0x208], ax
mov word [ecx], ax
mov word [edx], ax
push edx
push ecx
lea eax, [esp + 0x458]
push eax
push ebx
push edi
lea ebx, [esp + 0x1c]
push ebx
call fcn.00401c3f
add esp, 0x18
mov eax, ebx
mov ebx, dword [ebx]
mov eax, dword [eax + 4]
mov dword [esp], ebx
mov dword [esp + 0x14], eax
mov dword [esp + 4], eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor ecx, ecx
dec ecx
push ecx
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetProcessWorkingSetSize]
test ebx, ebx
jne 0x4029c6
lea eax, [esp + 0x38]
push eax
lea eax, [esp + 0x248]
push eax
push edi
lea eax, [esp + 0x14]
push eax
call fcn.00401fcd
add esp, 0x10
mov ebx, dword [esp + 8]
mov eax, dword [esp + 0xc]
mov dword [esp + 0x14], eax
mov dword [esp + 4], eax
mov dword [esp], ebx
mov dword [esp + 0x18], ebx
mov dword [esp + 8], 0
push 2
lea eax, [esp + 0xc]
push eax
push str.ChromeInstallerCleanup
push str.SoftwareMicrosoftWindowsCurrentVersionUninstallAvast_Secure_Browser
push 0x80000001
call fcn.00402f6e
add esp, 0x14
test al, al
je 0x4029fe
movzx eax, word [esp + 8]
cmp eax, 0x30
je 0x402a23
mov ebx, dword [sym.imp.KERNEL32.dll_DeleteFileW]
lea eax, [esp + 0x244]
push eax
call ebx
lea eax, [esp + 0x38]
push eax
call ebx
lea eax, [esp + 0x450]
push eax
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
mov ebx, dword [esp + 0x14]
push ebx
push dword [esp + 0x1c]
push edi
call fcn.00401718
add esp, 0xc
mov eax, dword [esp + 0x18]
mov dword [esi + 4], ebx
mov dword [esi], eax
jmp 0x402a49
movsd xmm0, qword [esp]
movsd qword [esi], xmm0
lea ecx, [esp + 0x1c]
call fcn.0040105e
mov eax, esi
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x402d6a
Capabilities:
Extract resource via kernel32 functions
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 8
mov edi, ecx
push dword [ecx]
push dword [ecx + 4]
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
je 0x402deb
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
xor ebx, ebx
test eax, eax
je 0x402ded
mov esi, eax
push dword [edi]
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov dword [ebp - 0x10], eax
push ebx
push 0x80
push 2
push ebx
push ebx
push 0x40000000
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
je 0x402ded
mov edi, eax
xor eax, eax
lea ecx, [ebp - 0x14]
mov dword [ecx], eax
push eax
push ecx
push dword [ebp - 0x10]
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
setne byte [ebp - 0x10]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
setne bl
and bl, byte [ebp - 0x10]
jmp 0x402ded
xor ebx, ebx
mov eax, ebx
add esp, 8
pop esi
pop edi
pop ebx
pop ebp
ret 4

Function at 0x402e56
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 8
mov edx, dword [ebp + 0x10]
mov edi, dword [ebp + 0xc]
mov esi, dword [ebp + 8]
lea ebx, [ebp - 0x10]
xor eax, eax
lea edx, [edx + edx]
mov dword [ebx], edx
lea edx, [ebp - 0x14]
mov dword [edx], eax
push ebx
push edi
push edx
push eax
push esi
push dword [ecx]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x402ec0
cmp dword [ebp - 0x14], 1
mov eax, 0x32
jne 0x402ec0
mov ecx, dword [ebp - 0x10]
cmp ecx, 1
ja 0x402ea2
mov word [edi], 0
jmp 0x402ebe
shr ecx, 1
xor eax, eax
cmp word [edi + ecx*2 - 2], 0
je 0x402ec0
cmp ecx, dword [ebp + 0x10]
mov eax, 0xea
jae 0x402ec0
mov word [edi + ecx*2], 0
xor eax, eax
add esp, 8
pop esi
pop edi
pop ebx
pop ebp
ret 0xc

Function at 0x402eca
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 8
mov eax, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
lea edi, [ebp - 0x10]
xor edx, edx
lea esi, [ebp - 0x14]
mov dword [esi], edx
mov dword [edi], 4
push edi
push ebx
push esi
push edx
push eax
push dword [ecx]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x402f13
cmp dword [ebp - 0x14], 4
mov eax, 0x32
jne 0x402f13
xor ecx, ecx
cmp dword [ebp - 0x10], 4
mov eax, 0xe8
cmove eax, ecx
add esp, 8
pop esi
pop edi
pop ebx
pop ebp
ret 8
Function at 0x409350
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov dword [ebp - 4], edx
mov ebx, eax
mov esi, ecx
dec esi
test esi, esi
jl 0x4093aa
inc esi
xor edi, edi
cmp edi, 1
jne 0x409376
mov eax, dword [ebp + 0xc]
push eax
call sub.kernel32.dll_Sleep
jmp 0x409384
cmp edi, 1
jle 0x409384
mov eax, dword [ebp + 8]
push eax
call sub.kernel32.dll_Sleep
mov edx, dword [ebp - 4]
mov eax, ebx
call fcn.00408e20
test eax, eax
jne 0x4093aa
call sub.kernel32.dll_GetLastError_1
cmp eax, 2
je 0x4093aa
call sub.kernel32.dll_GetLastError_1
cmp eax, 3
je 0x4093aa
inc edi
dec esi
jne 0x409366
pop edi
pop esi
pop ebx
pop ecx
pop ebp
ret 8

Function at 0x40963c
Capabilities:
Identify system language via api

Disassembly:
push ebx
push esi
push edi
push ebp
cmp dword [0x40cca0], 0
je 0x409685
mov edi, dword [0x40cdd8]
dec edi
test edi, edi
jl 0x409685
inc edi
xor esi, esi
mov eax, esi
shl eax, 6
add eax, esi
mov edx, dword [0x40cdd4]
mov edx, dword [edx + eax]
mov eax, dword [0x40cca0]
call fcn.00404b2c
test eax, eax
jne 0x409681
mov eax, esi
call fcn.004095f0
jmp 0x40974a
inc esi
dec edi
jne 0x409657
mov al, byte [0x40cdc0]
sub al, 1
jb 0x409692
je 0x40969b
jmp 0x4096a4
call fcn.00406f20
mov ebp, eax
jmp 0x4096a6
call sub.kernel32.dll_GetUserDefaultLangID
mov ebp, eax
jmp 0x4096a6
xor ebp, ebp
test bp, bp
je 0x409743
mov edi, dword [0x40cdd8]
dec edi
test edi, edi
jl 0x4096f2
inc edi
xor esi, esi
mov eax, esi
shl eax, 6
add eax, esi
mov edx, dword [0x40cdd4]
lea ebx, [edx + eax]
movzx eax, bp
cmp eax, dword [ebx + 0x28]
jne 0x4096ee
cmp dword [ebx + 0x2c], 0
je 0x4096e5
call sub.kernel32.dll_GetACP
cmp eax, dword [ebx + 0x2c]
jne 0x4096ee
mov eax, esi
call fcn.004095f0
jmp 0x40974a
inc esi
dec edi
jne 0x4096bd
mov edi, dword [0x40cdd8]
dec edi
test edi, edi
jl 0x409743
inc edi
xor esi, esi
mov eax, esi
shl eax, 6
add eax, esi
mov edx, dword [0x40cdd4]
lea ebx, [edx + eax]
mov eax, dword [ebx + 0x28]
and eax, 0x3ff
mov edx, ebp
and dx, 0x3ff
movzx edx, dx
cmp eax, edx
jne 0x40973f
cmp dword [ebx + 0x2c], 0
je 0x409736
call sub.kernel32.dll_GetACP
cmp eax, dword [ebx + 0x2c]
jne 0x40973f
mov eax, esi
call fcn.004095f0
jmp 0x40974a
inc esi
dec edi
jne 0x409700
xor eax, eax
call fcn.004095f0
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x401290
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
call fcn.00401320
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], sym._7
mov dword [esp + 4], 0
mov dword [esp], 0
call sub.KERNEL32.DLL_CreateThread
sub esp, 0x18
mov dword [esp], 0xea60
call sub.KERNEL32.DLL_Sleep
sub esp, 4
call sub.msvcrt.dll_rand
mov ecx, eax
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov eax, ecx
sar eax, 0x1f
sub edx, eax
mov eax, edx
mov dword [ebp - 4], eax
mov edx, dword [ebp - 4]
mov eax, edx
shl eax, 2
add eax, edx
add eax, eax
add eax, edx
sub ecx, eax
mov eax, ecx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov dword [esp], eax
call sym._9
jmp 0x4012d2