joyce8/EMBER2024-capa huggingface dataset:
Function at 0x480700
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 0x480727
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 0x48074f
lea ecx, [ecx]
mov cl, byte [edx]
and cl, 0xfe
cmp cl, 0xe8
je 0x48074f
inc edx
cmp edx, ebx
jb 0x480740
mov ecx, edx
sub ecx, edi
mov edi, edx
sub ecx, ebp
sub edi, ebp
cmp edx, ebx
jae 0x48083b
cmp ecx, 2
jbe 0x4807a7
xor esi, esi
movzx ecx, byte [edx + 4]
lea eax, [ecx + 1]
test al, 0xfe
jne 0x48082c
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 0x4807d0
add eax, ebp
jmp 0x4807d2
shr esi, cl
test esi, esi
je 0x480768
cmp esi, 4
ja 0x4807c5
cmp esi, 3
je 0x4807c5
mov ecx, esi
shr ecx, 1
movzx eax, byte [ecx + edx + 1]
inc eax
test al, 0xfe
jne 0x480768
or esi, 8
shr esi, 1
inc edi
jmp 0x480736
sub eax, ebp
test esi, esi
je 0x480806
and esi, 6
add esi, esi
add esi, esi
mov ebx, eax
mov ecx, esi
shr ebx, cl
inc ebx
test bl, 0xfe
jne 0x480800
mov ebx, 0x100
shl ebx, cl
dec ebx
xor eax, ebx
cmp dword [esp + 0x24], 0
je 0x4807fe
add eax, ebp
jmp 0x480800
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 0x480736
mov ebp, dword [esp + 0x10]
or esi, 8
shr esi, 1
inc edi
jmp 0x480736
pop ebx
cmp ecx, 2
jbe 0x480854
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 0x481ce0
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 0x481d12
pop esi
ret
Function at 0x4841d0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov edi, edx
mov esi, ecx
jmp 0x4841e0
cmp dword [esi + 0x10], 3
jae 0x4841f0
mov eax, esi
call fcn.00482490
dec edi
jmp 0x484262
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 0x484208
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 0x484221
mov dword [esi], ecx
mov dword [esi + 4], edx
cmp edx, dword [esi + 8]
jne 0x48425e
mov eax, esi
call fcn.004822c0
mov edi, dword [esp + 0x14]
test edi, edi
jne 0x4841e0
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x48a8d0
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 0x48a8e0
pop ebx
ret

Function at 0x48a910
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 0x48a920
pop esi
pop ebp
pop ebx
ret 4

Function at 0x48ac20
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 0x48ac24
pop esi
pop ebp
ret 8
Function at 0x48aca0
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 0x48ad25
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.0048ac20
mov ecx, dword [esp + 0x1c]
lea eax, [esi + 0x20]
push eax
push ecx
lea ebx, [ebp + 0x10]
call fcn.0048ac20
add esi, 0x440
add ebp, 0x20
dec dword [esp + 0x14]
jne 0x48acf0
mov ebp, dword [esp + 0x2c]
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x24]
mov esi, dword [eax]
cmp esi, 0x10
jbe 0x48adf7
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 0x48ad64
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 0x48ad70
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 0x48ad60
mov ecx, dword [esp + 0x24]
mov eax, dword [esp + 0x28]
mov ebp, dword [ecx]
lea ebp, [ebp*4 - 0x40]
cmp eax, 1
jbe 0x48adf7
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 0x48ade3
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret 0xc
Function at 0x48d8d0
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 0x48d980
mov ebp, 0x400
mov word [eax - 0x180], bp
mov word [eax], bp
add eax, 2
sub esi, edi
jne 0x48d980
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 0x48d970
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 0x48da13
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 0x48da92
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 0x48ec40
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 0x48ecab
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 0x48ecec
lea ebx, [esi + 0xc8]
mov ebp, 0x20
cmp dword [ebx + 8], edi
je 0x48ecd1
mov ecx, ebx
call fcn.0048e930
add ebx, 0x28
dec ebp
jne 0x48ecc5
mov edx, dword [esi + 0x5c]
cmp edx, edi
je 0x48ece7
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.0048e800
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.0048ed90
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
lea ecx, [ebp + 0x20]
call fcn.00493830
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
lea ecx, [ebp + 0x1c]
call fcn.00493830
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
push ebp
call fcn.0048ede0
mov ebx, eax
cmp ebx, edi
je 0x48ed64
mov ecx, esi
mov dword [esi + 0x44], edi
call fcn.0048edc0
cmp ebx, edi
jle 0x48ed5f
and ebx, 0xffff
or ebx, 0x80070000
cmp ebx, edi
je 0x48ed64
mov dword [esi + 0x40], ebx
cmp dword [esi + 0x38], edi
jne 0x48ed76
cmp dword [esi + 0x40], edi
jne 0x48ed76
cmp dword [esi + 0x3c], edi
jne 0x48ed76
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 0x48ec42
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 0x48ecab
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 0x48ecec
lea ebx, [esi + 0xc8]
mov ebp, 0x20
cmp dword [ebx + 8], edi
je 0x48ecd1
mov ecx, ebx
call fcn.0048e930
add ebx, 0x28
dec ebp
jne 0x48ecc5
mov edx, dword [esi + 0x5c]
cmp edx, edi
je 0x48ece7
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.0048e800
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.0048ed90
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
lea ecx, [ebp + 0x20]
call fcn.00493830
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
lea ecx, [ebp + 0x1c]
call fcn.00493830
mov ebx, eax
cmp ebx, edi
jne 0x48ed4f
push ebp
call fcn.0048ede0
mov ebx, eax
cmp ebx, edi
je 0x48ed64
mov ecx, esi
mov dword [esi + 0x44], edi
call fcn.0048edc0
cmp ebx, edi
jle 0x48ed5f
and ebx, 0xffff
or ebx, 0x80070000
cmp ebx, edi
je 0x48ed64
mov dword [esi + 0x40], ebx
cmp dword [esi + 0x38], edi
jne 0x48ed76
cmp dword [esi + 0x40], edi
jne 0x48ed76
cmp dword [esi + 0x3c], edi
jne 0x48ed76
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 0x48fde0
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 0x48fe3b
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 0x48fe80
lea edx, [esi + 0x9fc]
mov dword [esp + 8], edx
push ebp
jmp 0x48feb0
mov edi, dword [esp + 0xc]
xor ebp, ebp
jmp 0x48fec0
movzx eax, word [ebp + 0x4ad0d0]
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 0x48fee0
add ebp, 2
add edi, 2
cmp ebp, 0x10
jb 0x48fec0
sub dword [esp + 0xc], 0xffffff80
inc ebx
cmp ebx, 0x80
jb 0x48feb0
mov ecx, 0x50
lea edi, [esi + 0x3bc]
lea ebx, [ecx - 0x4c]
pop ebp
mov eax, edi
mov edx, 0x10
jmp 0x48ff20
mov word [eax], cx
mov word [eax + 2], 0x403
add eax, ebx
dec edx
jne 0x48ff20
add ecx, 0x28
add edi, 0x40
cmp ecx, 0x438
jb 0x48ff14
pop edi
mov dword [esi + 0x3b8], 0x40070000
pop ebx
pop ecx
ret
Function at 0x491970
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 0x4919e0
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 0x491a16
lea eax, [esi + 0x330]
lea edx, [esi + 0x1048]
mov dword [esp + 0xc], ecx
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], edx
jmp 0x491a54
mov ecx, dword [esp + 0xc]
mov eax, dword [esp + 0x14]
movzx edx, byte [eax]
cmp edx, ecx
jne 0x491a73
nop
inc ebx
lea eax, [esi + ebx + 0x330]
mov dword [esp + 0x14], eax
movzx eax, byte [eax]
cmp eax, ecx
je 0x491a60
mov edi, dword [esp + 0x10]
xor ebp, ebp
lea esp, [esp]
movzx eax, word [ebp + 0x4ad0f0]
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 0x491aa0
add ebp, 2
add edi, 2
cmp ebp, 0x10
jb 0x491a80
mov eax, dword [esp + 0xc]
sub dword [esp + 0x10], 0xffffff80
inc eax
mov dword [esp + 0xc], eax
cmp eax, 0x19
jb 0x491a50
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 0x491b04
nop
inc edi
movzx ecx, byte [esi + edi + 0x333]
lea ebp, [esi + edi + 0x333]
cmp ecx, ebx
je 0x491af0
mov eax, dword [esp + 0x10]
mov ecx, edi
shl ecx, 4
add ecx, 0x28
mov edx, 0x20
jmp 0x491b20
mov word [eax], cx
mov word [eax + 2], 0x703
add eax, 4
dec edx
jne 0x491b20
sub dword [esp + 0x10], 0xffffff80
inc ebx
dec dword [esp + 0x14]
jne 0x491ae7
pop edi
pop ebp
mov dword [esi + 0x444], 0x40070000
pop ebx
add esp, 0xc
ret

Function at 0x493790
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 0x4937b8
xor eax, eax
ret 4
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x4937c7
mov eax, 1
ret 4
Function at 0x4937d0
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 0x493816
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 0x493816
mov eax, edi
pop edi
pop esi
ret 8
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x493811
pop edi
mov eax, 1
pop esi
ret 8

Function at 0x493b00
Capabilities:
Hash data using sha256

Disassembly:
mov eax, edx
mov dword [ecx], eax
dec eax
je 0x493b23
sub eax, 3
je 0x493b19
sub eax, 6
jne 0x493b2a
add ecx, 0x10
jmp fcn.0049acd0
or eax, 0xffffffff
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
ret
mov dword [ecx + 4], 0xffffffff
ret
Function at 0x498b70
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 0x498b9c
cmp dword [esp + 4], 6
jne 0x498b9c
mov eax, dword [esp + 8]
test eax, eax
je 0x498bbe
push str.SetDefaultDllDirectories
push 0x4a54cc
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x498bbe
push 0xc00
call eax
add esp, 0x114
ret