joyce8/EMBER2024-capa huggingface dataset:
Function at 0x44b34d
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x44b38c
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x44b38c
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x44b38c
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x44b38c
cmp dword [ecx + 0x74], 0xe
jbe 0x44b38c
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret
Function at 0x407010
Capabilities:
Enumerate pe sections

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
xor edx, edx
push ebx
push esi
push edi
mov ecx, dword [eax + 0x3c]
add ecx, eax
movzx eax, word [ecx + 0x14]
movzx ebx, word [ecx + 6]
add eax, 0x18
add eax, ecx
test ebx, ebx
je 0x40704e
mov edi, dword [ebp + 0xc]
mov esi, dword [eax + 0xc]
cmp edi, esi
jb 0x407046
mov ecx, dword [eax + 8]
add ecx, esi
cmp edi, ecx
jb 0x407050
inc edx
add eax, 0x28
cmp edx, ebx
jb 0x407036
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x407120
Capabilities:
Parse pe header

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, 0x5a4d
cmp word [ecx], ax
jne 0x407151
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x407151
mov ecx, 0x10b
cmp word [eax + 0x18], cx
jne 0x407151
mov eax, 1
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x433000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..retplne
nop
nop
mov ebx, 0x40de38
mov ecx, 0x15b15b25
nop
nop
nop
nop
test eax, eax
nop
je 0x43304e
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x433024
nop
nop
nop
nop
mov eax, section..reloc
nop
mov ebx, 0x4304d8
nop
mov ecx, 0x62945891
nop
nop
test eax, eax
nop
nop
je 0x433084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
add eax, 4
nop
nop
cmp eax, ebx
nop
nop
jne 0x43306c
nop
nop
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x409d89
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
push esi
push edi
call fcn.004050dc
and dword [ebp - 4], 0
cmp dword [0x42bc34], 0
mov ebx, eax
jne 0x409e3a
push 0x40215c
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x409eeb
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x402150
push edi
call esi
test eax, eax
je 0x409eeb
push eax
call fcn.0040506a
mov dword [esp], 0x402140
push edi
mov dword [0x42bc34], eax
call esi
push eax
call fcn.0040506a
mov dword [esp], 0x40212c
push edi
mov dword [0x42bc38], eax
call esi
push eax
call fcn.0040506a
mov dword [esp], 0x402110
push edi
mov dword [0x42bc3c], eax
call esi
push eax
call fcn.0040506a
pop ecx
mov dword [0x42bc44], eax
test eax, eax
je 0x409e3a
push 0x4020f8
push edi
call esi
push eax
call fcn.0040506a
pop ecx
mov dword [0x42bc40], eax
mov eax, dword [0x42bc40]
cmp eax, ebx
je 0x409e92
cmp dword [0x42bc44], ebx
je 0x409e92
push eax
call fcn.004050e5
push dword [0x42bc44]
mov esi, eax
call fcn.004050e5
pop ecx
pop ecx
mov edi, eax
test esi, esi
je 0x409e92
test edi, edi
je 0x409e92
call esi
test eax, eax
je 0x409e89
lea ecx, [ebp - 8]
push ecx
push 0xc
lea ecx, [ebp - 0x14]
push ecx
push 1
push eax
call edi
test eax, eax
je 0x409e89
test byte [ebp - 0xc], 1
jne 0x409e92
or dword [ebp + 0x10], 0x200000
jmp 0x409ecb
mov eax, dword [0x42bc38]
cmp eax, ebx
je 0x409ecb
push eax
call fcn.004050e5
pop ecx
test eax, eax
je 0x409ecb
call eax
mov dword [ebp - 4], eax
test eax, eax
je 0x409ecb
mov eax, dword [0x42bc3c]
cmp eax, ebx
je 0x409ecb
push eax
call fcn.004050e5
pop ecx
test eax, eax
je 0x409ecb
push dword [ebp - 4]
call eax
mov dword [ebp - 4], eax
push dword [0x42bc34]
call fcn.004050e5
pop ecx
test eax, eax
je 0x409eeb
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 4]
call eax
jmp 0x409eed
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret

Function at 0x438c9e
Capabilities:
Encode data using xor

Disassembly:
mov edi, 0x438a14
sub ebx, 0xd6fc2204
call fcn.00438ccc
add eax, 0x668c650c
xor dword [edx], edi
sub ebx, 1
sub ebx, eax
dec eax
inc edx
mov ebx, ebx
cmp edx, esi
jne fcn.00438c9e
sub eax, eax
inc ebx
ret
Function at 0x4926fe
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, 0x101c
call fcn.00401db6
mov eax, dword [0x692390]
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.00405eb1
pop ecx
mov ecx, dword [ebp + 8]
mov ebx, eax
cmp dword [ecx + 8], 0
jne 0x492740
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
jmp 0x49289c
mov eax, dword [ecx]
sub eax, dword [ecx + 4]
push esi
push edi
push 0
cdq
push 2
push edx
push eax
call fcn.00406014
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 + 0x696000]
push dword [edi + eax + 0x24]
push dword [edi + eax + 0x20]
push ebx
call fcn.00403279
mov ecx, dword [esi*4 + 0x696000]
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 0x492895
cmp eax, dword [edi + ecx + 0x24]
jne 0x492895
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 0x492895
push dword [ebp - 0x100c]
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00403279
add esp, 0x14
test edx, edx
jl 0x492895
jg 0x49280b
test eax, eax
jb 0x492895
mov ebx, dword [ebp - 0x1018]
mov eax, dword [ebp - 0x1014]
test ebx, ebx
jg 0x492895
jl 0x492825
cmp dword [ebp - 0x1008], eax
ja 0x492895
lea edi, [ebp - 0x1004]
xor edx, edx
add edi, eax
lea ecx, [ebp - 0x1004]
xor esi, esi
cmp dword [ebp - 0x1008], edx
jne 0x492843
test ebx, ebx
je 0x49287c
cmp ecx, edi
jae 0x49287c
mov al, byte [ecx]
cmp al, 0xd
jne 0x49285d
lea eax, [edi - 1]
cmp ecx, eax
jae 0x492869
cmp byte [ecx + 1], 0xa
jne 0x492869
inc ecx
jmp 0x492869
movzx eax, al
movsx eax, byte [eax + 0x692ef8]
add ecx, eax
add esi, 1
adc edx, 0
inc ecx
cmp esi, dword [ebp - 0x1008]
jne 0x492843
cmp edx, ebx
jne 0x492843
lea eax, [ebp - 0x1004]
sub ecx, eax
mov eax, ecx
cdq
add eax, dword [ebp - 0x1010]
adc edx, dword [ebp - 0x101c]
jmp 0x49289a
or edx, 0xffffffff
mov eax, edx
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop ebx
call fcn.0040306c
leave
ret
Function at 0x498fd1
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x692390]
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 0x49901c
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.00499493
test al, al
jne 0x499016
sub edx, 2
cmp edx, edi
jne 0x498ffc
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x49903e
lea eax, [edi + 2]
cmp edx, eax
je 0x49903e
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.00498bca
add esp, 0x10
jmp 0x499138
push esi
lea ecx, [ebp - 0x255]
call fcn.00499493
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 0x499081
push dword [ebp - 0x25c]
jmp 0x49902e
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 0x4990be
cmp word [ebp - 0x226], 0
je 0x4990df
cmp word [ebp - 0x226], ax
jne 0x4990be
cmp word [ebp - 0x224], 0
je 0x4990df
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.00498bca
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x49912b
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x499098
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x499113
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x499138
push 0x4985b2
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.0040556a
add esp, 0x10
jmp 0x499108
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.0040306c
leave
ret
Function at 0x4a11fc
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 + 0x696000]
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 0x4a123c
cmp byte [ebx], 0xa
jne 0x4a123c
or byte [eax + edi + 0x28], 4
jmp 0x4a1241
and byte [eax + edi + 0x28], 0xfb
add ecx, ebx
mov edx, ebx
mov dword [ebp - 0xc], ecx
mov esi, ebx
cmp ebx, ecx
jae 0x4a133f
mov al, byte [edx]
cmp al, 0x1a
je 0x4a1321
lea ecx, [edx + 1]
mov dword [ebp - 8], ecx
mov ecx, dword [ebp - 0xc]
cmp al, 0xd
je 0x4a1270
mov edx, dword [ebp - 8]
mov byte [esi], al
jmp 0x4a1295
mov eax, dword [ebp - 8]
cmp eax, ecx
jae 0x4a129f
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 0x4a1252
jmp 0x4a133f
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 0x4a131c
cmp dword [ebp - 0xc], 0
je 0x4a131c
mov ecx, dword [ebp - 0x10]
mov eax, dword [ecx*4 + 0x696000]
test byte [eax + edi + 0x28], 0x48
je 0x4a12f6
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x4a12e1
mov byte [esi], dl
jmp 0x4a12f2
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x696000]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x4a133f
cmp byte [ebp - 1], 0xa
jne 0x4a1305
cmp esi, ebx
jne 0x4a1305
mov byte [esi], 0xa
jmp 0x4a133e
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.0040194c
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x4a133f
mov byte [esi], 0xd
jmp 0x4a133e
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x696000]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x4a133b
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x4a133f
mov byte [esi], 0x1a
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x4a139b
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 + 0x696000]
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 0x4a13de
cmp word [esi], dx
jne 0x4a13de
or byte [edi + eax + 0x28], 4
jmp 0x4a13e3
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 0x4a1536
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 0x4a1516
add eax, 2
cmp cx, word [ebp - 0xc]
je 0x4a1425
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x4a145b
cmp eax, edx
jae 0x4a1467
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 0x4a13fd
jmp 0x4a1536
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 0x4a1512
cmp dword [ebp - 0x14], 0
je 0x4a1512
mov eax, dword [ebx*4 + 0x696000]
push 0xa
test byte [edi + eax + 0x28], 0x48
je 0x4a14ea
mov dx, word [ebp - 4]
lea eax, [esi + 2]
pop ecx
mov dword [ebp - 0x18], eax
cmp dx, cx
jne 0x4a14b3
mov word [esi], cx
jmp 0x4a14e6
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ebx*4 + 0x696000]
movzx ecx, dx
shr ecx, 8
push 0xa
mov byte [edi + eax + 0x2a], dl
mov eax, dword [ebx*4 + 0x696000]
mov byte [edi + eax + 0x2b], cl
mov eax, dword [ebx*4 + 0x696000]
pop ecx
mov byte [edi + eax + 0x2c], cl
mov eax, dword [ebp - 0x18]
mov esi, eax
jmp 0x4a1536
pop ebx
cmp word [ebp - 4], bx
jne 0x4a14fb
cmp esi, dword [ebp + 0xc]
jne 0x4a14fb
mov word [esi], bx
jmp 0x4a1533
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0040194c
add esp, 0x10
cmp word [ebp - 4], bx
je 0x4a1536
push 0xd
jmp 0x4a152f
mov ecx, dword [ebx*4 + 0x696000]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x4a152d
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x4a1536
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 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x4099a4
Capabilities:
Create process on windows
Create process suspended

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffa8
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 4], ebx
mov edi, ecx
mov esi, edx
mov ebx, eax
xor eax, eax
push ebp
push 0x409a77
push dword fs:[eax]
mov dword fs:[eax], esp
push 0x409a90
push ebx
push 0x409a9c
push esi
lea eax, [ebp - 4]
mov edx, 4
call fcn.004033b4
lea eax, [ebp - 0x48]
xor ecx, ecx
mov edx, 0x44
call fcn.0040277c
mov dword [ebp - 0x48], 0x44
lea eax, [ebp - 0x58]
push eax
lea eax, [ebp - 0x48]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
mov eax, dword [ebp - 4]
call fcn.00403414
push eax
push 0
call sub.kernel32.dll_CreateProcessA
test eax, eax
jne 0x409a24
mov al, 0x62
call fcn.00409648
mov eax, dword [ebp - 0x54]
push eax
call sub.kernel32.dll_CloseHandle_1
call fcn.00409978
push 0xff
push 0xffffffffffffffff
push 0
lea eax, [ebp - 0x58]
push eax
push 1
call sub.user32.dll_MsgWaitForMultipleObjects
dec eax
je 0x409a2d
call fcn.00409978
push edi
mov eax, dword [ebp - 0x58]
push eax
call sub.kernel32.dll_GetExitCodeProcess
mov eax, dword [ebp - 0x58]
push eax
call sub.kernel32.dll_CloseHandle_1
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x409a7e
lea eax, [ebp - 4]
call fcn.00403198
ret

Function at 0x409b30
Capabilities:
Allocate or change rwx memory
Get system information on windows

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffffbc
mov edi, eax
lea esi, [esp + 0x28]
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetSystemInfo
mov ebx, edi
push 0x1c
push esi
push ebx
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x409be4
jmp 0x409bd9
cmp dword [esi + 0x10], 0x1000
jne 0x409bc5
test byte [esi + 0x15], 1
jne 0x409bc5
xor ebx, ebx
mov eax, dword [esi + 0x14]
cmp eax, 1
je 0x409b84
cmp eax, 2
je 0x409b84
cmp eax, 0x10
je 0x409b84
cmp eax, 0x20
jne 0x409b99
push esp
push 0x40
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
test eax, eax
je 0x409b99
mov bl, 1
xor ebp, ebp
jmp 0x409baa
mov eax, dword [esi]
add eax, ebp
call fcn.00409b28
add ebp, dword [esp + 8]
cmp ebp, dword [esi + 0xc]
jb 0x409b9d
test bl, bl
je 0x409bc5
push esp
mov eax, dword [esp + 4]
push eax
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
mov eax, dword [esi]
add eax, dword [esi + 0xc]
mov ebx, eax
push 0x1c
push esi
push ebx
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x409be4
mov eax, dword [esi + 4]
cmp eax, edi
je 0x409b5c
add esp, 0x44
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x423ea0
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x423ecd
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x423ecd
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x403370
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
imul edx, dword [0x40c02c], 0x8088405
inc edx
mov dword [0x40c02c], edx
mul edx
mov eax, edx
ret

Function at 0x408464
Capabilities:
Hash data with crc32

Disassembly:
push esi
xor esi, esi
mov ecx, 0x40c55c
mov eax, esi
mov edx, 8
test al, 1
je 0x408480
shr eax, 1
xor eax, 0xedb88320
jmp 0x408482
shr eax, 1
dec edx
jne 0x408473
mov dword [ecx], eax
inc esi
add ecx, 4
cmp esi, 0x100
jne 0x40846c
pop esi
ret

Function at 0x4084af
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
mov edi, edx
mov ebx, eax
cmp dword [0x40c558], 0
jne 0x4084bb
call fcn.00408464
push 1
push 0x40c558
call fcn.00404fd0
mov eax, edi
test esi, esi
je 0x4084e6
mov edx, ebx
and dx, 0xff
xor ecx, ecx
mov cl, byte [eax]
xor dx, cx
movzx edx, dx
mov edx, dword [edx*4 + 0x40c55c]
shr ebx, 8
xor edx, ebx
mov ebx, edx
dec esi
inc eax
test esi, esi
jne 0x4084c1
mov eax, ebx
pop edi
pop esi
pop ebx
ret
Function at 0x406624
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x406648
xor eax, eax
test eax, eax
je 0x40665b
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x40665b
xor ecx, ecx
jmp 0x40665e
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x406787
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x4318ec], 0
push esi
jne 0x4067be
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x406798
mov dword [ecx*4 + 0x4318e8], eax
inc ecx
cmp ecx, 0x100
jl 0x406793
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x4067ef
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x4318e8]
xor eax, esi
inc ecx
dec edx
jne 0x4067d1
pop edi
not eax
pop esi
ret 0xc

Function at 0x430004
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
mov eax, section..text
nop
mov ebx, 0x408ecc
mov ecx, 0xc80412e
nop
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
je 0x43004e
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
cmp eax, ebx
nop
nop
nop
nop
nop
nop
nop
nop
jne 0x430024
mov eax, section..data
nop
mov ebx, 0x42e1d0
nop
nop
mov ecx, 0xdc767e8
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
je 0x430084
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x43006c
nop
nop
nop
nop
nop
nop
popal
nop
jmp 0x401219
Function at 0x4025a0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x14
push ebx
mov ebx, ecx
push esi
push edi
cmp dword [ebx + 0x38], 0
je 0x4025cb
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00402ec0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x20]
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
mov dword [esp + 0x18], esi
mov eax, dword [eax]
mov dword [esp + 0x1c], edi
mov dword [esp + 0x14], eax
test eax, eax
je 0x4025ed
mov eax, dword [ebx + 0x30]
mov eax, dword [eax]
jmp 0x4025ef
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test edi, edi
jl 0x402673
jg 0x402604
test esi, esi
je 0x402673
test ecx, ecx
jl 0x40264d
jg 0x40260e
test eax, eax
je 0x40264d
cmp edi, ecx
jg 0x402622
jl 0x402618
cmp esi, eax
jae 0x402622
mov eax, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], edi
push eax
push dword [ebp + 8]
push dword [esp + 0x1c]
call fcn.005c6940
mov ecx, dword [esp + 0x18]
add esp, 0xc
mov edx, dword [ebp + 8]
mov eax, dword [ebx + 0x30]
add edx, ecx
sub esi, ecx
sbb edi, dword [esp + 0x10]
sub dword [eax], ecx
mov eax, dword [ebx + 0x20]
add dword [eax], ecx
jmp 0x402650
mov edx, dword [ebp + 8]
test edi, edi
jl 0x402673
jg 0x40265a
test esi, esi
je 0x402673
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x402673
push eax
push esi
push 1
push edx
call fcn.005cb755
add esp, 0x10
sub esi, eax
sbb edi, 0
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
sub eax, esi
sbb edx, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x402690
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x14
push ebx
push esi
push edi
mov edi, ecx
cmp dword [edi + 0x38], 0
je 0x4026bb
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00402fa0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [edi + 0x1c]
mov esi, dword [ebp + 0xc]
mov ebx, dword [ebp + 0x10]
mov dword [esp + 0x18], esi
mov eax, dword [eax]
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x14], eax
test eax, eax
je 0x4026dd
mov eax, dword [edi + 0x2c]
mov eax, dword [eax]
jmp 0x4026df
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test ebx, ebx
jl 0x40277e
jg 0x4026fc
test esi, esi
je 0x40277e
test ecx, ecx
jl 0x402749
jg 0x402706
test eax, eax
je 0x402749
cmp ebx, ecx
jg 0x40271a
jl 0x402710
cmp esi, eax
jae 0x40271a
mov eax, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], ebx
push eax
push dword [esp + 0x18]
push dword [ebp + 8]
call fcn.005c6940
mov ecx, dword [esp + 0x18]
add esp, 0xc
mov edx, dword [ebp + 8]
mov eax, dword [edi + 0x2c]
add edx, ecx
sub esi, ecx
mov dword [esp + 0xc], edx
sbb ebx, dword [esp + 0x10]
sub dword [eax], ecx
mov eax, dword [edi + 0x1c]
add dword [eax], ecx
jmp 0x402750
mov eax, dword [ebp + 8]
mov dword [esp + 0xc], eax
test ebx, ebx
jl 0x40277e
jg 0x40275a
test esi, esi
je 0x40277e
cmp dword [edi + 0x4c], 0
je 0x40277e
mov ecx, edi
call fcn.004035e0
push dword [edi + 0x4c]
push esi
push 1
push dword [esp + 0x18]
call fcn.005cb9a2
add esp, 0x10
sub esi, eax
sbb ebx, 0
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
sub eax, esi
pop edi
pop esi
sbb edx, ebx
pop ebx
mov esp, ebp
pop ebp
ret 0xc