joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4853f0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x10]
push ebp
push esi
mov esi, dword [eax]
push edi
mov ebp, ecx
xor edi, edi
and esi, 7
mov dword [esp + 0xc], ebp
cmp edx, 5
jae 0x485417
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 8
ret 0xc
add dword [esp + 0x18], 5
push ebx
lea ebx, [edx - 4]
add ebx, ebp
mov dword [esp + 0x14], ebx
lea edx, [edi + ebp]
cmp edx, ebx
jae 0x48543f
lea ecx, [ecx]
mov cl, byte [edx]
and cl, 0xfe
cmp cl, 0xe8
je 0x48543f
inc edx
cmp edx, ebx
jb 0x485430
mov ecx, edx
sub ecx, edi
mov edi, edx
sub ecx, ebp
sub edi, ebp
cmp edx, ebx
jae 0x48552b
cmp ecx, 2
jbe 0x485497
xor esi, esi
movzx ecx, byte [edx + 4]
lea eax, [ecx + 1]
test al, 0xfe
jne 0x48551c
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx + 2]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx + 1]
shl ecx, 8
or eax, ecx
mov ecx, dword [esp + 0x1c]
lea ebp, [edi + ecx]
add edi, 5
cmp dword [esp + 0x24], 0
je 0x4854c0
add eax, ebp
jmp 0x4854c2
shr esi, cl
test esi, esi
je 0x485458
cmp esi, 4
ja 0x4854b5
cmp esi, 3
je 0x4854b5
mov ecx, esi
shr ecx, 1
movzx eax, byte [ecx + edx + 1]
inc eax
test al, 0xfe
jne 0x485458
or esi, 8
shr esi, 1
inc edi
jmp 0x485426
sub eax, ebp
test esi, esi
je 0x4854f6
and esi, 6
add esi, esi
add esi, esi
mov ebx, eax
mov ecx, esi
shr ebx, cl
inc ebx
test bl, 0xfe
jne 0x4854f0
mov ebx, 0x100
shl ebx, cl
dec ebx
xor eax, ebx
cmp dword [esp + 0x24], 0
je 0x4854ee
add eax, ebp
jmp 0x4854f0
sub eax, ebp
mov ebx, dword [esp + 0x14]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, eax
shr ecx, 8
mov byte [edx + 1], al
mov byte [edx + 2], cl
mov ecx, eax
shr eax, 0x18
shr ecx, 0x10
and al, 1
neg al
mov byte [edx + 3], cl
mov byte [edx + 4], al
jmp 0x485426
mov ebp, dword [esp + 0x10]
or esi, 8
shr esi, 1
inc edi
jmp 0x485426
pop ebx
cmp ecx, 2
jbe 0x485544
mov edx, dword [esp + 0x1c]
xor esi, esi
mov eax, edi
pop edi
mov dword [edx], esi
pop esi
pop ebp
add esp, 8
ret 0xc
mov edx, dword [esp + 0x1c]
shr esi, cl
mov eax, edi
pop edi
mov dword [edx], esi
pop esi
pop ebp
add esp, 8
ret 0xc

Function at 0x4860c0
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x4860e7
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x4860f6
xor eax, eax
shr eax, 0x19
and eax, 1
add esp, 0x134
ret
lea ecx, [esp]
call fcn.00485f20
neg eax
sbb eax, eax
and eax, dword [esp + 0x18]
shr eax, 0x19
and eax, 1
add esp, 0x134
ret

Function at 0x486120
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x486147
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x486156
xor eax, eax
shr eax, 9
and eax, 1
add esp, 0x134
ret
lea ecx, [esp]
call fcn.00485f20
neg eax
sbb eax, eax
and eax, dword [esp + 0x18]
shr eax, 9
and eax, 1
add esp, 0x134
ret
Function at 0x486180
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x4861a7
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x4861b6
xor eax, eax
shr eax, 0x13
and eax, 1
add esp, 0x134
ret
lea ecx, [esp]
call fcn.00485f20
neg eax
sbb eax, eax
and eax, dword [esp + 0x18]
shr eax, 0x13
and eax, 1
add esp, 0x134
ret

Function at 0x4861e0
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x486207
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x486210
xor eax, eax
add esp, 0x134
ret
lea ecx, [esp]
call fcn.00485f20
test eax, eax
je 0x486207
mov ecx, 7
xor eax, eax
cmp dword [esp], ecx
jb 0x486256
lea edx, [esp + 0xc]
push edx
mov dword [esp + 8], eax
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], eax
lea eax, [esp + 0xc]
push eax
lea edx, [esp + 0xc]
push edx
lea edx, [esp + 0xc]
call fcn.00485ec0
mov eax, dword [esp + 4]
shr eax, 0x1d
and eax, 1
add esp, 0x134
ret

Function at 0x486260
Capabilities:
Check os version

Disassembly:
sub esp, 0x134
lea eax, [esp + 0x20]
push eax
mov dword [esp + 0x24], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x486287
cmp dword [esp + 0x24], 5
sbb eax, eax
inc eax
jne 0x486290
xor eax, eax
add esp, 0x134
ret
push 0x11
call dword [sym.imp.KERNEL32.dll_IsProcessorFeaturePresent]
test eax, eax
je 0x486287
lea ecx, [esp]
call fcn.00485f20
test eax, eax
je 0x486287
mov ecx, 7
xor eax, eax
cmp dword [esp], ecx
jb 0x4862eb
lea edx, [esp + 0xc]
push edx
mov dword [esp + 8], eax
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], eax
lea eax, [esp + 0xc]
push eax
lea edx, [esp + 0xc]
push edx
lea edx, [esp + 0xc]
call fcn.00485ec0
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
shr eax, 9
shr ecx, 5
and eax, ecx
and eax, 1
add esp, 0x134
ret

Function at 0x4869c0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
or eax, 0xffffffff
push esi
mov dword [ecx + 0x34], edx
mov byte [ecx + 0x1f], dl
mov dword [ecx + 0x24], edx
mov dword [ecx + 0x468], eax
mov dword [ecx + 0x46c], eax
mov dword [ecx + 0x30], 0x20
mov dword [ecx + 0x48], 4
mov word [ecx + 0x1d], 1
lea esi, [ecx + 0x60]
mov eax, edx
and eax, 1
neg eax
and eax, 0xedb88320
mov ecx, edx
shr ecx, 1
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov eax, ecx
and eax, 1
shr ecx, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
and ecx, 1
neg ecx
and ecx, 0xedb88320
shr eax, 1
xor ecx, eax
mov dword [esi], ecx
inc edx
add esi, 4
cmp edx, 0x100
jb 0x4869f2
pop esi
Function at 0x488eb0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov edi, edx
mov esi, ecx
jmp 0x488ec0
cmp dword [esi + 0x10], 3
jae 0x488ed0
mov eax, esi
call fcn.00487170
dec edi
jmp 0x488f42
mov edx, dword [esi + 4]
mov eax, dword [esi + 8]
sub eax, edx
mov ecx, edi
mov dword [esp + 0x10], ecx
cmp edi, eax
jbe 0x488ee8
mov ecx, eax
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x14]
mov ebx, dword [esi + 0x24]
sub edi, ecx
mov dword [esp + 0x14], edi
mov edi, dword [esi + 0x28]
lea edi, [edi + eax*4]
add eax, ecx
mov ecx, dword [esi]
mov dword [esi + 0x14], eax
movzx ebp, byte [ecx]
movzx eax, byte [ecx + 2]
shl ebp, 8
or eax, ebp
movzx ebp, byte [ecx + 1]
xor eax, dword [esi + ebp*4 + 0x60]
inc ecx
and eax, 0xffff
mov ebp, dword [ebx + eax*4]
mov dword [ebx + eax*4], edx
mov dword [edi], ebp
inc edx
add edi, 4
dec dword [esp + 0x10]
jne 0x488f01
mov dword [esi], ecx
mov dword [esi + 4], edx
cmp edx, dword [esi + 8]
jne 0x488f3e
mov eax, esi
call fcn.00486fa0
mov edi, dword [esp + 0x14]
test edi, edi
jne 0x488ec0
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x48f5c0
Capabilities:
Encode data using xor

Disassembly:
xor eax, eax
or edx, 0x100
push ebx
lea esp, [esp]
mov ecx, edx
and ecx, 1
shr edx, 1
movzx ebx, word [edi + edx*2]
neg ecx
shr ecx, 4
shr ebx, 4
and ecx, 0x7f
xor ebx, ecx
add eax, dword [esi + ebx*4]
cmp edx, 2
jae 0x48f5d0
pop ebx
ret

Function at 0x48f600
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
push esi
mov esi, eax
mov edx, 0x100
xor eax, eax
or ecx, edx
mov edi, edi
add esi, esi
mov ebx, edx
and ebx, esi
add ebx, edx
mov ebp, ecx
shr ebp, 8
add ebp, ebx
mov ebx, dword [esp + 0x10]
movzx ebx, word [ebx + ebp*2]
mov ebp, ecx
shr ebp, 7
and ebp, 1
neg ebp
shr ebx, 4
shr ebp, 4
and ebp, 0x7f
xor ebx, ebp
add eax, dword [edi + ebx*4]
add ecx, ecx
mov ebx, ecx
xor ebx, esi
not ebx
and edx, ebx
cmp ecx, 0x10000
jb 0x48f610
pop esi
pop ebp
pop ebx
ret 4

Function at 0x48f910
Capabilities:
Encode data using xor

Disassembly:
push ebp
xor edx, edx
push esi
mov esi, edx
shr esi, 1
mov ebp, esi
and ebp, 1
mov eax, edx
shr eax, 2
movzx ecx, word [ebx + eax*2 + 4]
neg ebp
shr ebp, 4
neg eax
shr ecx, 4
and ebp, 0x7f
xor ecx, ebp
movzx ebp, word [ebx + 2]
mov ecx, dword [edi + ecx*4]
and eax, 0x7f0
xor eax, ebp
shr eax, 4
add ecx, dword [edi + eax*4]
movzx eax, word [ebx + esi*2 + 8]
add ecx, dword [esp + 0xc]
mov esi, eax
shr esi, 4
mov ebp, dword [edi + esi*4]
mov esi, dword [esp + 0x10]
xor eax, 0x7f0
add ebp, ecx
shr eax, 4
mov dword [esi + edx*4], ebp
mov eax, dword [edi + eax*4]
add eax, ecx
mov dword [esi + edx*4 + 4], eax
add edx, 2
cmp edx, 8
jb 0x48f914
pop esi
pop ebp
ret 8
Function at 0x48f990
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x10
push ebx
push ebp
mov ebp, dword [esp + 0x24]
push esi
push edi
mov edi, eax
movzx eax, word [ebp]
mov ecx, eax
xor ecx, 0x7f0
shr ecx, 4
mov edx, dword [edi + ecx*4]
movzx ecx, word [ebp + 0x10]
shr eax, 4
mov eax, dword [edi + eax*4]
mov dword [esp + 0x18], eax
shr ecx, 4
mov eax, dword [edi + ecx*4]
add eax, edx
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x28]
mov dword [esp + 0x10], edx
test eax, eax
je 0x48fa15
mov esi, dword [esp + 0x24]
add esi, 4
mov dword [esp + 0x14], eax
mov edx, dword [esp + 0x18]
push esi
push edx
mov ebx, ebp
call fcn.0048f910
mov ecx, dword [esp + 0x1c]
lea eax, [esi + 0x20]
push eax
push ecx
lea ebx, [ebp + 0x10]
call fcn.0048f910
add esi, 0x440
add ebp, 0x20
dec dword [esp + 0x14]
jne 0x48f9e0
mov ebp, dword [esp + 0x2c]
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x24]
mov esi, dword [eax]
cmp esi, 0x10
jbe 0x48fae7
movzx ecx, word [ebp + 0x10]
xor ecx, 0x7f0
add esi, 0xfffffff1
shr esi, 1
shr ecx, 4
add edx, dword [edi + ecx*4]
lea eax, [ebp + esi*2 + 0x300]
mov dword [esp + 0x10], edx
mov dword [esp + 0x2c], eax
jmp 0x48fa54
mov edx, dword [esp + 0x10]
dec esi
sub dword [esp + 0x2c], 2
lea ecx, [esi + 0x80]
mov eax, ecx
and eax, 1
shr ecx, 1
movzx ebx, word [ebp + ecx*2 + 0x200]
neg eax
shr eax, 4
shr ebx, 4
and eax, 0x7f
xor ebx, eax
add edx, dword [edi + ebx*4]
cmp ecx, 2
jae 0x48fa60
mov ecx, dword [esp + 0x2c]
movzx eax, word [ecx]
mov ebx, dword [esp + 0x24]
mov ecx, eax
shr ecx, 4
mov ecx, dword [edi + ecx*4]
xor eax, 0x7f0
add ebx, 0x44
add ecx, edx
shr eax, 4
mov dword [ebx + esi*8], ecx
mov eax, dword [edi + eax*4]
add eax, edx
mov dword [ebx + esi*8 + 4], eax
test esi, esi
jne 0x48fa50
mov ecx, dword [esp + 0x24]
mov eax, dword [esp + 0x28]
mov ebp, dword [ecx]
lea ebp, [ebp*4 - 0x40]
cmp eax, 1
jbe 0x48fae7
lea esi, [ecx + 0x484]
lea edi, [eax - 1]
push ebp
push ebx
push esi
call sub.MSVCRT.dll_memcpy
add esp, 0xc
add esi, 0x440
dec edi
jne 0x48fad3
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret 0xc
Function at 0x4925c0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ecx
push ebx
xor ebx, ebx
mov dword [edx + 0x2c], ebx
push esi
push edi
mov edi, 1
mov dword [edx + 0x44], edi
mov dword [edx + 0x40], edi
mov dword [edx + 0x3c], edi
mov dword [edx + 0x38], edi
mov eax, dword [edx + 0x78]
mov dword [edx + 0x70], eax
mov eax, 0x400
movzx ecx, ax
mov dword [edx + 0x58], 0xffffffff
mov dword [edx + 0x5c], ebx
mov dword [edx + 0x60], ebx
mov dword [edx + 0x64], ebx
mov dword [edx + 0x68], ebx
mov dword [edx + 0x6c], ebx
mov dword [edx + 0x80], ebx
mov dword [edx + 0x84], ebx
mov dword [edx + 0x88], ebx
mov eax, ecx
shl ecx, 0x10
or eax, ecx
mov dword [edx + 0x1e30], eax
mov dword [edx + 0x1e34], eax
mov dword [edx + 0x1e38], eax
mov dword [edx + 0x1e3c], eax
mov dword [edx + 0x1e40], eax
mov dword [edx + 0x1e44], eax
mov dword [edx + 0x1e48], eax
mov dword [edx + 0x1e4c], eax
lea ecx, [edx + 0x1e68]
lea eax, [edx + 0x2030]
mov dword [esp + 0xc], 0xc
push ebp
lea esp, [esp]
mov esi, 0x10
jmp 0x492670
mov ebp, 0x400
mov word [eax - 0x180], bp
mov word [eax], bp
add eax, 2
sub esi, edi
jne 0x492670
mov esi, ebp
mov word [ecx - 0x18], si
mov word [ecx], si
mov word [ecx + 0x18], si
mov word [ecx + 0x30], si
add ecx, 2
sub dword [esp + 0x10], edi
jne 0x492660
mov eax, esi
movzx esi, ax
mov eax, esi
shl esi, 0x10
or eax, esi
lea edi, [edx + 0x21b0]
mov ecx, 0x80
rep stosd dword es:[edi], eax
mov eax, ebp
movzx esi, ax
mov eax, esi
shl esi, 0x10
or eax, esi
lea edi, [edx + 0x23b0]
mov ecx, 0x40
rep stosd dword es:[edi], eax
mov ecx, dword [edx + 0x98]
add ecx, dword [edx + 0x94]
mov edi, dword [edx + 0x50]
mov eax, 0x300
shl eax, cl
cmp eax, ebx
jbe 0x492703
mov ecx, eax
mov eax, ebp
movzx esi, ax
mov eax, esi
shl esi, 0x10
or eax, esi
shr ecx, 1
rep stosd dword es:[edi], eax
adc ecx, ecx
rep stosw word es:[edi], ax
mov eax, ebp
movzx ebp, ax
mov eax, ebp
shl ebp, 0x10
or eax, ebp
mov ecx, 0x80
lea edi, [edx + 0x24b0]
rep stosd dword es:[edi], eax
mov eax, 0x400
movzx esi, ax
mov eax, esi
shl esi, 0x10
or eax, esi
lea edi, [edx + 0x26b0]
mov ecx, 0x80
rep stosd dword es:[edi], eax
mov eax, 0x400
movzx ebp, ax
mov eax, ebp
shl ebp, 0x10
or eax, ebp
mov ecx, 0x80
lea edi, [edx + 0x28b0]
rep stosd dword es:[edi], eax
mov eax, 0x400
movzx esi, ax
mov eax, esi
shl esi, 0x10
or eax, esi
lea edi, [edx + 0x2ab0]
mov ecx, 0x80
rep stosd dword es:[edi], eax
mov dword [edx + 0x1c], ebx
mov dword [edx + 0x18], ebx
lea eax, [edx + 0xbcb8]
mov ecx, 0x800
pop ebp
mov dword [eax], 0x40000000
add eax, 0x20
dec ecx
jne 0x492782
mov ecx, dword [edx + 0x9c]
mov eax, 1
shl eax, cl
mov ecx, dword [edx + 0x98]
mov esi, 0x100
pop edi
dec eax
mov dword [edx + 0x4c], eax
mov eax, 0x100
shl eax, cl
mov ecx, dword [edx + 0x94]
shr esi, cl
mov dword [edx + 0x34], ebx
sub eax, esi
pop esi
mov dword [edx + 0x48], eax
pop ebx
pop ecx
ret
Function at 0x493920
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebx
push ebp
push esi
mov esi, ecx
mov eax, 1
push edi
mov dword [esi + 0x30], eax
mov dword [esi + 0x44], eax
or eax, 0xffffffff
xor edi, edi
mov dword [esi + 0x90], eax
mov dword [esi + 0x94], eax
mov eax, dword [esi + 4]
mov dword [esi + 0x78], edi
mov dword [esi + 0x68], edi
cmp eax, 0x20
mov dword [esi + 0x7c], edi
mov dword [esi + 0x34], edi
mov dword [esi + 0x38], edi
mov dword [esi + 0x3c], edi
mov dword [esi + 0x40], edi
mov dword [esi + 0x70], edi
mov dword [esi + 0x88], edi
mov dword [esi + 0x6c], edi
mov dword [esi + 0x48], edi
mov dword [esi + 0x4c], edi
mov dword [esi + 0x50], edi
mov dword [esi + 0x60], edi
mov dword [esi + 0x64], edi
mov dword [esi + 0x80], edi
mov dword [esi + 0x84], edi
jbe 0x49398b
mov eax, 0x20
mov ecx, dword [esi + 0x20]
mov dword [esi + 0x54], eax
mov eax, dword [esi]
mov dword [esi + 0x58], edi
cmp eax, ecx
je 0x4939cc
lea ebx, [esi + 0xc8]
mov ebp, 0x20
cmp dword [ebx + 8], edi
je 0x4939b1
mov ecx, ebx
call fcn.00493610
add ebx, 0x28
dec ebp
jne 0x4939a5
mov edx, dword [esi + 0x5c]
cmp edx, edi
je 0x4939c7
mov ecx, dword [esi + 0x14]
call dword [ecx + 4]
mov dword [esi + 0x5c], edi
mov ecx, dword [esi]
mov dword [esi + 0x20], ecx
mov edx, dword [esi + 0x10]
lea ecx, [esi + 0x98]
call fcn.004934e0
mov eax, dword [esi + 0x58]
mov dword [esi + 0x24], edi
mov dword [esi + 0x28], edi
lea edx, [eax + eax*4 + 0x19]
inc eax
mov dword [esi + 0x58], eax
lea ebp, [esi + edx*8]
mov ecx, ebp
call fcn.00493a70
mov ebx, eax
cmp ebx, edi
jne 0x493a2f
lea ecx, [ebp + 0x20]
call fcn.00498510
mov ebx, eax
cmp ebx, edi
jne 0x493a2f
lea ecx, [ebp + 0x1c]
call fcn.00498510
mov ebx, eax
cmp ebx, edi
jne 0x493a2f
push ebp
call fcn.00493ac0
mov ebx, eax
cmp ebx, edi
je 0x493a44
mov ecx, esi
mov dword [esi + 0x44], edi
call fcn.00493aa0
cmp ebx, edi
jle 0x493a3f
and ebx, 0xffff
or ebx, 0x80070000
cmp ebx, edi
je 0x493a44
mov dword [esi + 0x40], ebx
cmp dword [esi + 0x38], edi
jne 0x493a56
cmp dword [esi + 0x40], edi
jne 0x493a56
cmp dword [esi + 0x3c], edi
jne 0x493a56
mov dword [esi + 0x44], edi
mov eax, dword [esi + 0x44]
pop edi
neg eax
sbb eax, eax
pop esi
not eax
and eax, ebx
pop ebp
pop ebx
ret
Function at 0x494b20
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
push ebx
push edi
push 0x98
xor ebx, ebx
lea eax, [esi + 0x110]
push ebx
push eax
call sub.MSVCRT.dll_memset
mov eax, dword [esi + 0x34]
add eax, dword [esi + 0x30]
mov ecx, dword [esi + 0x28]
lea edi, [ecx + eax]
mov dword [esi + 0x40], eax
shr ecx, 3
mov eax, 0xaaaaaaab
mul ecx
mov eax, dword [esi + 0x18]
shr edx, 3
imul edx, edx, 0x54
mov ecx, edi
sub ecx, edx
add esp, 0xc
mov dword [esi + 0x3c], edi
mov dword [esi + 0x44], ecx
mov dword [esi + 0x38], ecx
mov dword [esi + 0x2c], ebx
mov dword [esi + 0xc], eax
mov edx, eax
cmp eax, 0xc
jb 0x494b7b
mov edx, 0xc
or eax, 0xffffffff
sub eax, edx
mov dword [esi + 0x24], eax
mov dword [esi + 0x20], eax
lea eax, [edi - 0xc]
lea edx, [ecx + 0x600]
mov dword [esi + 0x38], edx
mov dword [esi + 0x3c], eax
mov dword [esi], eax
mov dword [esi + 4], eax
mov dword [esi + 0x14], ebx
mov dword [esi + 8], ecx
mov edx, 0x100
mov word [eax], dx
mov edx, 0x101
mov word [eax + 2], dx
mov dword [eax + 4], ecx
mov dword [eax + 8], ebx
xor edx, edx
lea eax, [ecx + 2]
lea esp, [esp]
xor ecx, ecx
mov byte [eax - 2], dl
mov byte [eax - 1], 1
mov word [eax], cx
mov word [eax + 2], cx
inc edx
add eax, 6
cmp edx, 0x100
jb 0x494bc0
lea edx, [esi + 0x9fc]
mov dword [esp + 8], edx
push ebp
jmp 0x494bf0
mov edi, dword [esp + 0xc]
xor ebp, ebp
jmp 0x494c00
movzx eax, word [ebp + 0x4b2440]
xor edx, edx
lea ecx, [ebx + 2]
div ecx
mov edx, 0x4000
sub edx, eax
movzx ecx, dx
xor eax, eax
lea ebx, [ebx]
mov word [edi + eax*2], cx
add eax, 8
cmp eax, 0x40
jb 0x494c20
add ebp, 2
add edi, 2
cmp ebp, 0x10
jb 0x494c00
sub dword [esp + 0xc], 0xffffff80
inc ebx
cmp ebx, 0x80
jb 0x494bf0
mov ecx, 0x50
lea edi, [esi + 0x3bc]
lea ebx, [ecx - 0x4c]
pop ebp
mov eax, edi
mov edx, 0x10
jmp 0x494c60
mov word [eax], cx
mov word [eax + 2], 0x403
add eax, ebx
dec edx
jne 0x494c60
add ecx, 0x28
add edi, 0x40
cmp ecx, 0x438
jb 0x494c54
pop edi
mov dword [esi + 0x3b8], 0x40070000
pop ebx
pop ecx
ret
Function at 0x496650
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0xc
push ebx
push ebp
push edi
push 0x98
xor ebx, ebx
lea eax, [esi + 0x100]
push ebx
push eax
call sub.MSVCRT.dll_memset
push 0x98
lea ecx, [esi + 0x198]
push ebx
push ecx
call sub.MSVCRT.dll_memset
mov eax, dword [esi + 0x30]
add eax, dword [esi + 0x34]
mov ecx, dword [esi + 0x28]
lea edi, [ecx + eax]
mov dword [esi + 0x40], eax
shr ecx, 3
mov eax, 0xaaaaaaab
mul ecx
mov eax, dword [esi + 0x18]
shr edx, 3
imul edx, edx, 0x54
mov ecx, edi
sub ecx, edx
add esp, 0x18
mov dword [esi + 0x3c], edi
mov dword [esi + 0x44], ecx
mov dword [esi + 0x38], ecx
mov dword [esi + 0x2c], ebx
mov dword [esi + 0xc], eax
mov edx, eax
cmp eax, 0xc
jb 0x4966c0
mov edx, 0xc
or eax, 0xffffffff
sub eax, edx
mov dword [esi + 0x24], eax
mov dword [esi + 0x20], eax
lea eax, [edi - 0xc]
mov dword [esi + 0x3c], eax
lea edx, [ecx + 0x600]
mov dword [esi + 0x38], edx
mov dword [esi], eax
mov dword [esi + 4], eax
mov dword [esi + 0x14], ebx
mov dword [esi + 8], ecx
mov dword [eax], 0x10100ff
mov dword [eax + 4], ecx
mov dword [eax + 8], ebx
xor edx, edx
lea eax, [ecx + 2]
xor ecx, ecx
mov byte [eax - 2], dl
mov byte [eax - 1], 1
mov word [eax], cx
mov word [eax + 2], cx
inc edx
add eax, 6
cmp edx, 0x100
jb 0x4966f6
lea eax, [esi + 0x330]
lea edx, [esi + 0x1048]
mov dword [esp + 0xc], ecx
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], edx
jmp 0x496734
mov ecx, dword [esp + 0xc]
mov eax, dword [esp + 0x14]
movzx edx, byte [eax]
cmp edx, ecx
jne 0x496753
nop
inc ebx
lea eax, [esi + ebx + 0x330]
mov dword [esp + 0x14], eax
movzx eax, byte [eax]
cmp eax, ecx
je 0x496740
mov edi, dword [esp + 0x10]
xor ebp, ebp
lea esp, [esp]
movzx eax, word [ebp + 0x4b2460]
xor edx, edx
lea ecx, [ebx + 1]
div ecx
mov ecx, 0x4000
sub ecx, eax
movzx ecx, cx
xor eax, eax
lea ebx, [ebx]
mov word [edi + eax*2], cx
add eax, 8
cmp eax, 0x40
jb 0x496780
add ebp, 2
add edi, 2
cmp ebp, 0x10
jb 0x496760
mov eax, dword [esp + 0xc]
sub dword [esp + 0x10], 0xffffff80
inc eax
mov dword [esp + 0xc], eax
cmp eax, 0x19
jb 0x496730
xor edi, edi
lea edx, [esi + 0x448]
lea ebp, [esi + 0x333]
lea ebx, [edi + 3]
mov dword [esp + 0x10], edx
mov dword [esp + 0x14], 0x18
movzx eax, byte [ebp]
cmp eax, ebx
jne 0x4967e4
nop
inc edi
movzx ecx, byte [esi + edi + 0x333]
lea ebp, [esi + edi + 0x333]
cmp ecx, ebx
je 0x4967d0
mov eax, dword [esp + 0x10]
mov ecx, edi
shl ecx, 4
add ecx, 0x28
mov edx, 0x20
jmp 0x496800
mov word [eax], cx
mov word [eax + 2], 0x703
add eax, 4
dec edx
jne 0x496800
sub dword [esp + 0x10], 0xffffff80
inc ebx
dec dword [esp + 0x14]
jne 0x4967c7
pop edi
pop ebp
mov dword [esi + 0x444], 0x40070000
pop ebx
add esp, 0xc
ret

Function at 0x498470
Capabilities:
Create thread

Disassembly:
push esi
lea eax, [esp + 8]
push eax
push 0
mov esi, ecx
mov ecx, dword [esp + 0x10]
push ecx
push edx
push 0
push 0
call sub.MSVCRT.dll__beginthreadex
add esp, 0x18
mov dword [esi], eax
pop esi
test eax, eax
je 0x498498
xor eax, eax
ret 4
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x4984a7
mov eax, 1
ret 4
Function at 0x4984b0
Capabilities:
Create thread
Resume thread

Disassembly:
push esi
push edi
lea eax, [esp + 0xc]
push eax
push 4
mov edi, ecx
mov ecx, dword [esp + 0x14]
push ecx
push edx
push 0
push 0
call sub.MSVCRT.dll__beginthreadex
mov esi, eax
add esp, 0x18
mov dword [edi], esi
test esi, esi
je 0x4984f6
mov edx, dword [esp + 0x10]
push edx
push esi
xor edi, edi
call dword [sym.imp.KERNEL32.dll_SetThreadAffinityMask]
push esi
call dword [sym.imp.KERNEL32.dll_ResumeThread]
cmp eax, 0xffffffff
je 0x4984f6
mov eax, edi
pop edi
pop esi
ret 8
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x4984f1
pop edi
mov eax, 1
pop esi
ret 8

Function at 0x4987e0
Capabilities:
Hash data using sha256

Disassembly:
mov eax, edx
mov dword [ecx], eax
dec eax
je 0x498803
sub eax, 3
je 0x4987f9
sub eax, 6
jne 0x49880a
add ecx, 0x10
jmp fcn.0049f9b0
or eax, 0xffffffff
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
ret
mov dword [ecx + 4], 0xffffffff
ret
Function at 0x49d850
Capabilities:
Check os version

Disassembly:
sub esp, 0x114
lea eax, [esp]
mov dword [esp], 0x114
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x49d87c
cmp dword [esp + 4], 6
jne 0x49d87c
mov eax, dword [esp + 8]
test eax, eax
je 0x49d89e
push str.SetDefaultDllDirectories
push 0x4aa4cc
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x49d89e
push 0xc00
call eax
add esp, 0x114
ret

Function at 0x49d8b0
Capabilities:
Encrypt data using aes
Reference aes constants

Disassembly:
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
shr esi, 2
mov eax, esi
shr eax, 1
add eax, 3
mov dword [ecx], eax
add ecx, 0x10
xor eax, eax
push edi
mov edi, 1
test esi, esi
je 0x49d8df
mov ebx, dword [edx]
mov dword [ecx + eax*4], ebx
inc eax
add edx, 4
cmp eax, esi
jb 0x49d8d2
mov eax, dword [ecx + esi*4 - 4]
lea edx, [esi + esi*2]
lea edx, [ecx + edx*4 + 0x70]
mov dword [esp + 0x14], edx
xor edx, edx
test edx, edx
jne 0x49d954
mov edx, eax
and edx, 0xff
movzx edx, byte [edx + str.cw]
mov ebx, eax
shr ebx, 0x18
movzx ebx, byte [ebx + str.cw]
shl edx, 8
or edx, ebx
mov ebx, eax
shr ebx, 0x10
shr eax, 8
and ebx, 0xff
movzx ebx, byte [ebx + str.cw]
and eax, 0xff
movzx eax, byte [eax + str.cw]
shl edx, 8
or edx, ebx
xor eax, edi
shl edx, 8
add edi, edi
or eax, edx
test edi, 0x100
je 0x49d950
mov edi, 0x1b
mov edx, esi
jmp 0x49d9a9
cmp edx, 4
jne 0x49d9a9
cmp esi, 6
jbe 0x49d9a9
mov ebx, eax
shr ebx, 0x10
mov ebp, eax
shr ebp, 0x18
movzx ebp, byte [ebp + str.cw]
and ebx, 0xff
movzx ebx, byte [ebx + str.cw]
shl ebp, 8
or ebx, ebp
mov ebp, eax
shr ebp, 8
and ebp, 0xff
movzx ebp, byte [ebp + str.cw]
shl ebx, 8
and eax, 0xff
movzx eax, byte [eax + str.cw]
or ebx, ebp
shl ebx, 8
or eax, ebx
xor eax, dword [ecx]
add ecx, 4
mov dword [ecx + esi*4 - 4], eax
dec edx
cmp ecx, dword [esp + 0x14]
jne 0x49d8f0
pop edi
pop esi
pop ebp
pop ebx
ret 4