joyce8/EMBER2024-capa huggingface dataset:
Function at 0x413fca
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.004068d0
mov eax, dword [0x42a01c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x14]
push ebx
push dword [ebp + 8]
mov dword [ebp - 0x100c], eax
call fcn.0041242b
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x41400c
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x414168
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.0041c920
push dword [ebp - 0x100c]
mov ecx, ebx
mov dword [ebp - 0x1008], eax
mov esi, ebx
mov dword [ebp - 0x1018], edx
and ecx, 0x3f
sar esi, 6
imul edi, ecx, 0x38
push 0
mov eax, dword [esi*4 + 0x42bc00]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.004143f0
mov ecx, dword [esi*4 + 0x42bc00]
add esp, 0x14
mov dword [ebp - 0x1010], eax
mov eax, edx
mov edx, dword [ebp - 0x1010]
mov dword [ebp - 0x101c], eax
cmp edx, dword [edi + ecx + 0x20]
jne 0x414161
cmp eax, dword [edi + ecx + 0x24]
jne 0x414161
push 0
lea eax, [ebp - 0x1014]
push eax
push 0x1000
lea eax, [ebp - 0x1004]
push eax
push dword [edi + ecx + 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x414161
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.004143f0
add esp, 0x14
test edx, edx
jl 0x414161
jg 0x4140d7
test eax, eax
jb 0x414161
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x414161
jl 0x4140f1
cmp dword [ebp - 0x1008], eax
ja 0x414161
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x41410f
test ebx, ebx
je 0x414148
cmp ecx, edi
jae 0x414148
mov al, byte [ecx]
cmp al, 0xd
jne 0x414129
lea eax, [edi - 1]
cmp ecx, eax
jae 0x414135
cmp byte [ecx + 1], 0xa
jne 0x414135
inc ecx
jmp 0x414135
movzx eax, al
movsx eax, byte [eax + 0x42a970]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x41410f
cmp edx, ebx
jne 0x41410f
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x414166
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.00405b37
leave
ret
Function at 0x416ae4
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x42a01c]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x25c], ecx
cmp edx, edi
je 0x416b2f
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.00416c83
test al, al
jne 0x416b29
sub edx, 2
cmp edx, edi
jne 0x416b0f
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x416b51
lea eax, [edi + 2]
cmp edx, eax
je 0x416b51
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.00416a30
add esp, 0x10
jmp 0x416c4b
push esi
lea ecx, [ebp - 0x255]
call fcn.00416c83
sub edx, edi
movzx eax, al
sar edx, 1
inc edx
neg eax
sbb eax, eax
xor ebx, ebx
push ebx
push ebx
and eax, edx
push ebx
mov dword [ebp - 0x260], eax
lea eax, [ebp - 0x254]
push eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_FindFirstFileExW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x416b94
push dword [ebp - 0x25c]
jmp 0x416b41
mov ebx, dword [ebp - 0x25c]
push 0x2e
mov eax, dword [ebx + 4]
sub eax, dword [ebx]
sar eax, 2
mov dword [ebp - 0x25c], eax
pop eax
cmp word [ebp - 0x228], ax
jne 0x416bd1
cmp word [ebp - 0x226], 0
je 0x416bf2
cmp word [ebp - 0x226], ax
jne 0x416bd1
cmp word [ebp - 0x224], 0
je 0x416bf2
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.00416a30
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x416c3e
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x416bab
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x416c26
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x416c4b
push 0x416860
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.0041b620
add esp, 0x10
jmp 0x416c1b
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x264]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00405b37
leave
ret
Function at 0x41a56a
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
sar ecx, 6
push esi
push edi
imul edi, eax, 0x38
mov eax, dword [ecx*4 + 0x42bc00]
mov dword [ebp - 0x10], ecx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x14], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x41a5aa
cmp byte [ebx], 0xa
jne 0x41a5aa
or byte [eax + edi + 0x28], 4
jmp 0x41a5af
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x41a6ad
mov al, byte [edx]
cmp al, 0x1a
je 0x41a68f
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x41a5de
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x41a603
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x41a60d
mov cl, byte [eax]
xor eax, eax
cmp cl, 0xa
sete al
inc eax
add edx, eax
cmp cl, 0xa
sete al
dec al
and al, 3
add al, 0xa
mov byte [esi], al
mov ecx, dword [ebp - 0xc]
inc esi
cmp edx, ecx
jb 0x41a5c0
jmp 0x41a6ad
push 0
lea eax, [ebp - 0xc]
push eax
push 1
lea eax, [ebp - 1]
push eax
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x41a68a
cmp dword [ebp - 0xc], 0
je 0x41a68a
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x42bc00]
test byte [eax + edi + 0x28], 0x48
je 0x41a664
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x41a64f
mov byte [esi], dl
jmp 0x41a660
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x42bc00]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x41a6ad
cmp byte [ebp - 1], 0xa
jne 0x41a673
cmp esi, ebx
jne 0x41a673
mov byte [esi], 0xa
jmp 0x41a6ac
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0041440e
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x41a6ad
mov byte [esi], 0xd
jmp 0x41a6ac
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x42bc00]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41a6a9
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41a6ad
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x41a6b6
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0xc]
mov ebx, eax
and eax, 0x3f
sar ebx, 6
push edi
imul edi, eax, 0x38
push 0xa
mov eax, dword [ebx*4 + 0x42bc00]
pop edx
mov dword [ebp - 0x14], edx
mov ecx, dword [edi + eax + 0x18]
mov dword [ebp - 0x18], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x41a6f9
cmp word [esi], dx
jne 0x41a6f9
or byte [edi + eax + 0x28], 4
jmp 0x41a6fe
and byte [edi + eax + 0x28], 0xfb
lea edx, [esi + ecx*2]
mov eax, esi
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
cmp eax, edx
jae 0x41a851
mov dword [ebp - 0xc], 0xd
movzx ecx, word [eax]
mov edx, ecx
mov dword [ebp - 0x10], edx
push 0x1a
pop edx
cmp cx, dx
mov edx, dword [ebp - 8]
je 0x41a831
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x41a740
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x41a776
cmp eax, edx
jae 0x41a782
movzx eax, word [eax]
xor ecx, ecx
cmp ax, word [ebp - 0x14]
mov edx, eax
push 0xa
sete cl
xor eax, eax
lea ecx, [ecx*2 + 2]
add dword [ebp - 4], ecx
pop ecx
cmp dx, cx
mov edx, dword [ebp - 8]
sete al
dec eax
and eax, 3
add eax, ecx
mov word [esi], ax
mov eax, dword [ebp - 4]
add esi, 2
cmp eax, edx
jb 0x41a718
jmp 0x41a851
push 0
lea eax, [ebp - 0x14]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x41a82d
cmp dword [ebp - 0x14], 0
je 0x41a82d
mov eax, dword [ebx*4 + 0x42bc00]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x41a805
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x41a7ce
mov word [esi], cx
jmp 0x41a801
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x42bc00]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x42bc00]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x42bc00]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x41a851
pop ebx
cmp word [ebp - 4], bx
jne 0x41a816
cmp esi, dword [ebp + 0xc]
jne 0x41a816
mov word [esi], bx
jmp 0x41a84e
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0041440e
add esp, 0x10
cmp word [ebp - 4], bx
je 0x41a851
push 0xd
jmp 0x41a84a
mov ecx, dword [ebx*4 + 0x42bc00]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x41a848
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x41a851
push 0x1a
pop eax
mov word [esi], ax
add esi, 2
sub esi, dword [ebp + 0xc]
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x41c8e0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x41c90d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x41c90d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x40f080
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, 0x40b015
lea edi, [esi - 0xa015]
push edi
or ebp, 0xffffffff
jmp 0x40f0a2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x40f0a9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x40f098
mov eax, 1
add ebx, ebx
jne 0x40f0bb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x40f0b0
jne 0x40f0cc
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40f0b0
xor ecx, ecx
sub eax, 3
jb 0x40f0e0
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x40f152
mov ebp, eax
add ebx, ebx
jne 0x40f0eb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x40f0f8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x40f11c
inc ecx
add ebx, ebx
jne 0x40f108
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x40f0fd
jne 0x40f119
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x40f0fd
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x40f13c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x40f12d
jmp 0x40f09e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x40f13c
add edi, ecx
jmp 0x40f09e
pop esi
mov edi, esi
mov ecx, 0x265
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x40f15a
cmp byte [edi], 2
jne 0x40f15a
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov eax, ebx
loop 0x40f15f
lea edi, [esi + 0xd000]
mov eax, dword [edi]
or eax, eax
je 0x40f1ce
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xf000]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xf064]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x40f18c
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0xf068]
or eax, eax
je 0x40f1c8
mov dword [ebx], eax
add ebx, 4
jmp 0x40f1a9
call dword [esi + 0xf06c]
popal
jmp 0x40354a
Function at 0x416900
Capabilities:
Decompress data using aplib

Disassembly:
pushal
mov esi, dword [esp + 0x24]
mov edi, dword [esp + 0x28]
cld
mov dl, 0x80
xor ebx, ebx
movsb byte es:[edi], byte [esi]
mov bl, 2
call fcn.0041698f
jae 0x41690e
xor ecx, ecx
call fcn.0041698f
jae 0x41693d
xor eax, eax
call fcn.0041698f
jae 0x41694d
mov bl, 2
inc ecx
mov al, 0x10
call fcn.0041698f
adc al, al
jae 0x41692f
jne 0x416979
stosb byte es:[edi], al
jmp 0x416911
call fcn.0041699b
sub ecx, ebx
jne 0x416956
call fcn.00416999
jmp 0x416975
lodsb al, byte [esi]
shr eax, 1
je 0x416983
adc ecx, ecx
jmp 0x416972
xchg ecx, eax
dec eax
shl eax, 8
lodsb al, byte [esi]
call fcn.00416999
cmp eax, 0x7d00
jae 0x416972
cmp ah, 5
jae 0x416973
cmp eax, 0x7f
ja 0x416974
inc ecx
inc ecx
xchg ebp, eax
mov eax, ebp
mov bl, 1
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x416911
sub edi, dword [esp + 0x28]
mov dword [esp + 0x1c], edi
popal
ret 8

Function at 0x430000
Capabilities:
Encode data using xor

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
nop
nop
je 0x430072
mov ebx, 0x408ecc
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
push eax
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x698571c6
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x430060
nop
nop
nop
nop
mov eax, section..data
cmp eax, 0
nop
nop
nop
je 0x4300d2
nop
nop
nop
nop
nop
mov ebx, 0x42e1d0
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
push eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
pop eax
nop
nop
nop
nop
nop
mov esi, 0x1ba47d8a
nop
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
popal
nop
nop
jmp 0x401219
Function at 0x4070bd
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1a4
mov edx, dword [ebp + 8]
xor ecx, ecx
mov eax, 0x40d468
cmp edx, dword [eax]
je 0x4070df
add eax, 8
inc ecx
cmp eax, 0x40d4f8
jl 0x4070d0
push esi
mov esi, ecx
shl esi, 3
cmp edx, dword [esi + 0x40d468]
jne 0x40720d
mov eax, dword [0x40e498]
cmp eax, 1
je 0x4071e7
test eax, eax
jne 0x407110
cmp dword [0x40d39c], 1
je 0x4071e7
cmp edx, 0xfc
je 0x40720d
lea eax, [ebp - 0x1a4]
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x407147
lea eax, [ebp - 0x1a4]
push str._program_name_unknown_
push eax
call fcn.00404340
pop ecx
pop ecx
lea eax, [ebp - 0x1a4]
push edi
push eax
lea edi, [ebp - 0x1a4]
call fcn.00404190
inc eax
pop ecx
cmp eax, 0x3c
jbe 0x40718a
lea eax, [ebp - 0x1a4]
push eax
call fcn.00404190
mov edi, eax
lea eax, [ebp - 0x1a4]
sub eax, 0x3b
push 3
add edi, eax
push 0x40b5ec
push edi
call fcn.00408c50
add esp, 0x10
lea eax, [ebp - 0xa0]
push str.Runtime_Error__n_nProgram:
push eax
call fcn.00404340
lea eax, [ebp - 0xa0]
push edi
push eax
call fcn.00404350
lea eax, [ebp - 0xa0]
push 0x40b5cc
push eax
call fcn.00404350
push dword [esi + 0x40d46c]
lea eax, [ebp - 0xa0]
push eax
call fcn.00404350
push 0x12010
lea eax, [ebp - 0xa0]
push str.Microsoft_Visual_C_Runtime_Library
push eax
call fcn.00408bc2
add esp, 0x2c
pop edi
jmp 0x40720d
lea eax, [ebp + 8]
lea esi, [esi + 0x40d46c]
push 0
push eax
push dword [esi]
call fcn.00404190
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
leave
ret

Function at 0x432000
Capabilities:
Encode data using xor

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..rsrc
nop
mov ebx, 0x40c7d0
mov ecx, 0x235f453b
nop
nop
nop
nop
test eax, eax
nop
je 0x43204e
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x432024
nop
nop
nop
mov eax, section..data
nop
mov ebx, 0x42f314
nop
mov ecx, 0x21e954e6
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
je 0x432084
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
cmp eax, ebx
nop
jne 0x43206c
nop
nop
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
nop
nop
nop
nop
push 4
nop
nop
nop
nop
nop
pop edi
cmp eax, 0
nop
nop
nop
nop
nop
nop
je 0x430072
nop
nop
mov ebx, 0x408e84
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
push eax
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x35280e48
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
loop 0x430060
nop
nop
nop
nop
nop
mov eax, section..data
cmp eax, 0
nop
nop
nop
nop
nop
nop
nop
je 0x4300d2
mov ebx, 0x42e1d0
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x6922afd
nop
nop
nop
xor dword [eax], esi
nop
add eax, edi
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
nop
nop
nop
nop
nop
popal
nop
jmp 0x401219
Function at 0x420b5b
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x420b9a
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x420b9a
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x420b9a
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x420b9a
cmp dword [ecx + 0x74], 0xe
jbe 0x420b9a
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x433310
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x43333d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x43333d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x42e000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x42e00c
nop
nop
nop
nop
nop
pop eax
add eax, 0x403ac5
nop
sub eax, 0x403a6b
nop
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
mov edx, dword [eax + 8]
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
nop
jl 0x42e030
nop
nop
add eax, 0xc
nop
nop
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
nop
jne 0x42e01e
nop
nop
nop
popal
nop
nop
nop
jmp loc.00401219
Function at 0x405282
Capabilities:
Print debug messages

Disassembly:
push esi
mov esi, dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
push edi
push str.WinMain_start__lpCmdLine_is:
call esi
mov eax, dword [esp + 0x14]
xor edi, edi
cmp dword [esp + 0x14], edi
jne 0x4052a2
mov eax, str.NULL
push eax
call esi
push str.WinMain_start__parameter_is:
call esi
push str.package.nameZoom.msipackage.versionlatestpackage.size8860kdownloadRoothttps:__launcher.zoom.us_clientactionjoinbrowserchromeconfiddGlkPUotRzJqY0dyUWplS3ZIVEd2YXgtX0Econfno623142223zc0mcv0.92.11227.0929stafalseinstaller.exeInstaller.exe
call esi
push 0x444
call fcn.00407475
pop ecx
cmp eax, edi
je 0x4052ce
mov edx, dword [esp + 0xc]
push eax
call fcn.0040538c
jmp 0x4052d0
xor eax, eax
push str.zoom.us_Downloader_Mutex_1.0.0.0
push edi
push 0x1f0001
mov dword [0x41ddb8], eax
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
cmp eax, edi
je 0x4052f3
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x4052fc
call fcn.00406405
test eax, eax
jne 0x40531c
push edi
push str.zoom.us_Boot_Downloader
call dword [sym.imp.USER32.dll_FindWindowA]
cmp eax, edi
je 0x405341
push edi
push edi
push 0x7e9
push eax
call dword [sym.imp.USER32.dll_PostMessageA]
jmp 0x405341
mov ecx, dword [esp + 0x14]
call fcn.004057bb
mov eax, dword [0x41ddb8]
cmp eax, edi
je 0x405334
push eax
call fcn.00405348
push str.WinMain_end
mov dword [0x41ddb8], edi
call esi
pop edi
xor eax, eax
pop esi
ret 0x10
Function at 0x433001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40de38
mov ecx, 0x55695c55
nop
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
je 0x43304e
xor dword [eax], ecx
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x433024
nop
nop
mov eax, section..data
nop
nop
mov ebx, 0x4304d8
nop
mov ecx, 0x6b566a38
test eax, eax
nop
nop
nop
nop
nop
nop
je 0x433084
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
nop
add eax, 4
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x43306c
nop
nop
nop
nop
popal
nop
nop
nop
jmp 0x431219
Function at 0x40443c
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
xor edx, edx
mov dword [ebp - 0x10], edx
xor edx, edx
push ebp
push 0x4044a2
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 0xb]
push edx
push 0x1004
push eax
call sub.kernel32.dll_GetLocaleInfoA
lea eax, [ebp - 0x10]
lea edx, [ebp - 0xb]
mov ecx, 7
call fcn.004038dc
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.00402ab4
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x40448c
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4044a9
lea eax, [ebp - 0x10]
call fcn.00403694
ret

Function at 0x405990
Capabilities:
Accept command line arguments

Disassembly:
push edi
mov edi, edx
test eax, eax
jne 0x4059be
sub esp, 0x104
mov ecx, esp
push 0x104
push ecx
push 0
call sub.kernel32.dll_GetModuleFileNameA
xchg ecx, eax
mov edx, esp
mov eax, edi
call fcn.00403784
add esp, 0x104
pop edi
ret
push eax
call sub.kernel32.dll_GetCommandLineA_1
pop ecx
inc ecx
call fcn.0040d850
mov edx, eax
call fcn.0040d860
loop 0x4059c6
mov ecx, eax
sub ecx, edx
cmp ecx, 2
jl 0x4059ea
cmp byte [edx], 0x22
jne 0x4059ea
cmp byte [eax - 1], 0x22
jne 0x4059ea
inc edx
dec eax
sub eax, edx
xchg ecx, eax
xchg edi, eax
call fcn.00403784
pop edi
ret

Function at 0x406344
Capabilities:
Query or enumerate registry value

Disassembly:
push ebx
push esi
add esp, 0xfffffff4
mov esi, edx
mov ebx, eax
mov dword [esp + 8], 4
xor eax, eax
mov dword [esp], eax
test ebx, ebx
je 0x406388
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
lea eax, [esp + 0xc]
push eax
push 0
mov eax, esi
call fcn.00403af4
push eax
push ebx
call sub.advapi32.dll_RegQueryValueExA_1
test eax, eax
jne 0x406388
cmp dword [esp + 4], 4
je 0x40638d
xor eax, eax
mov dword [esp], eax
mov eax, dword [esp]
add esp, 0xc
pop esi
pop ebx
ret

Function at 0x406398
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
add eax, 0xfffffff8
push eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0x14]
push eax
mov eax, dword [ebp + 8]
add eax, 0xfffffffc
push eax
push 0
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0x10]
call fcn.00403af4
push eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
push eax
call sub.advapi32.dll_RegQueryValueExA_1
test eax, eax
sete al
pop ebp
ret

Function at 0x4064fc
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, ecx
mov dword [ebp - 4], edx
mov esi, eax
mov ebx, 1
cmp byte [ebp + 8], 0
je 0x40651a
mov ebx, 2
test esi, esi
je 0x406545
mov eax, edi
call fcn.004038f4
inc eax
push eax
mov eax, edi
call fcn.00403af4
push eax
push ebx
push 0
mov eax, dword [ebp - 4]
call fcn.00403af4
push eax
push esi
call sub.advapi32.dll_RegSetValueExA
test eax, eax
je 0x406549
xor eax, eax
jmp 0x40654b
mov al, 1
pop edi
pop esi
pop ebx
pop ecx
pop ebp
ret 4