joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4fbd40
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.0040a610
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x4fbd8d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4fbd8d
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x4fbd70
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x4fbe47
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4fbdd7
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x4fbe29
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x4fbe13
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x4fbdc0
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4fbeb5
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x4fbe92
push ebx
call fcn.004fbf00
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x4fbea3
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4fc510
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4fc524
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x4fc5d9
jb 0x4fc549
test eax, eax
jne 0x4fc5d9
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x4fc589
nop
test esi, esi
je 0x4fc575
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4fc560
jmp 0x4fc579
test edi, edi
jne 0x4fc5cc
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004fdb40
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4fc5ae
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004fd900
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4fc5cc
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4fc5cc
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4fc5c0
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret
Function at 0x4fd6b0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x10
call fcn.0040a610
push ebx
mov ebx, dword [esp + 0x20]
push esi
mov esi, dword [esp + 0x1c]
mov dword [esi + 0x30], 0
mov dword [esi + 0x34], 0
mov dword [esi + 0x38], 0
mov dword [esi + 0x3c], 0
mov dword [esi + 0x16c], 0
mov dword [esi + 0x168], 0
cmp ebx, 0xc
jne 0x4fd71c
mov eax, dword [esp + 0x20]
mov ebx, 1
movq xmm0, qword [eax]
movq qword [esi], xmm0
mov eax, dword [eax + 8]
mov dword [esi + 8], eax
mov dword [esi + 0xc], 0x1000000
jmp 0x4fd875
mov dword [esi + 0x40], 0
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esp + 0x14], ebx
mov dword [esi + 0x4c], 0
push ebp
mov ebp, dword [esp + 0x24]
push edi
lea edi, [esi + 0x40]
cmp ebx, 0x10
jb 0x4fd7bc
lea eax, [esi + 0x60]
mov dword [esp + 0x14], eax
lea ecx, [esi + 0x41]
mov eax, ebx
mov dword [esp + 0x18], ecx
shr eax, 4
mov esi, edi
mov dword [esp + 0x2c], eax
mov eax, ecx
lea edx, [ebp + 1]
mov edi, 4
nop dword [eax]
movzx ecx, byte [edx - 1]
lea edx, [edx + 4]
xor byte [eax - 1], cl
lea eax, [eax + 4]
movzx ecx, byte [edx - 4]
xor byte [eax - 4], cl
movzx ecx, byte [edx - 3]
xor byte [eax - 3], cl
movzx ecx, byte [edx - 2]
xor byte [eax - 2], cl
sub edi, 1
jne 0x4fd770
push dword [esp + 0x14]
push esi
call fcn.004fdb40
mov ecx, dword [esp + 0x20]
add esp, 8
add ebp, 0x10
sub ebx, 0x10
sub dword [esp + 0x2c], 1
jne 0x4fd763
mov esi, dword [esp + 0x24]
lea edi, [esi + 0x40]
test ebx, ebx
je 0x4fd7de
xor ecx, ecx
test ebx, ebx
je 0x4fd7d1
mov al, byte [ecx + ebp]
xor byte [edi + ecx], al
inc ecx
cmp ecx, ebx
jb 0x4fd7c6
lea eax, [esi + 0x60]
push eax
push edi
call fcn.004fdb40
add esp, 8
mov ebx, dword [esp + 0x1c]
xor edx, edx
shld edx, ebx, 3
xor byte [esi + 0x4b], dl
mov eax, edx
shr eax, 0x18
xor byte [esi + 0x48], al
mov eax, edx
shr eax, 0x10
xor byte [esi + 0x49], al
mov eax, edx
shr eax, 8
xor byte [esi + 0x4a], al
mov eax, edx
shl ebx, 3
xor byte [esi + 0x4f], bl
mov ecx, ebx
shrd ecx, eax, 0x18
xor byte [esi + 0x4c], cl
mov ecx, ebx
shr eax, 0x18
mov eax, edx
shrd ecx, eax, 0x10
xor byte [esi + 0x4d], cl
shr eax, 0x10
mov eax, ebx
shrd eax, edx, 8
xor byte [esi + 0x4e], al
lea eax, [esi + 0x60]
push eax
shr edx, 8
push edi
call fcn.004fdb40
movzx ebx, byte [esi + 0x4c]
add esp, 8
movzx eax, byte [esi + 0x4d]
shl ebx, 8
or ebx, eax
movzx eax, byte [esi + 0x4e]
shl ebx, 8
or ebx, eax
movzx eax, byte [esi + 0x4f]
shl ebx, 8
or ebx, eax
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [esi + 0x48]
mov dword [esi + 8], eax
mov eax, dword [esi + 0x4c]
pop edi
mov dword [esi + 0xc], eax
pop ebp
mov dword [esi + 0x40], 0
lea eax, [esi + 0x20]
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esi + 0x4c], 0
push dword [esi + 0x174]
push eax
mov eax, dword [esi + 0x170]
push esi
call eax
inc ebx
add esp, 0xc
mov eax, ebx
mov byte [esi + 0xf], bl
shr eax, 0x18
mov byte [esi + 0xc], al
mov eax, ebx
shr eax, 0x10
mov byte [esi + 0xd], al
mov eax, ebx
shr eax, 8
mov byte [esi + 0xe], al
pop esi
pop ebx
add esp, 0x10
ret
Function at 0x4fdb40
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x14
call fcn.0040a610
mov eax, dword [esp + 0x18]
push ebx
push ebp
push esi
movzx ecx, byte [eax + 0xf]
mov esi, dword [esp + 0x28]
mov ebp, ecx
and ecx, 0xf
mov dword [esp + 0x24], 0
add ecx, ecx
and ebp, 0xfffffff0
push edi
mov ebx, dword [esi + ecx*8]
mov edi, dword [esi + ecx*8 + 4]
mov edx, dword [esi + ecx*8 + 8]
mov ecx, dword [esi + ecx*8 + 0xc]
mov esi, edx
shrd edx, ecx, 4
and esi, 0xf
mov dword [esp + 0x14], ebx
or dword [esp + 0x28], edx
shl dword [esp + 0x14], 0x1c
shrd ebx, edi, 4
mov edx, dword [esi*4 + 0x5bb400]
mov esi, dword [esp + 0x2c]
shr ecx, 4
or dword [esp + 0x14], ecx
xor ecx, ecx
shr edi, 4
xor ecx, ebx
xor ecx, dword [esi + ebp]
xor edx, edi
xor edx, dword [esi + ebp + 4]
mov edi, dword [esp + 0x28]
mov ebx, dword [esp + 0x14]
xor edi, dword [esi + ebp + 8]
xor ebx, dword [esi + ebp + 0xc]
mov dword [esp + 0x18], edx
mov edx, 0xe
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edx
nop dword [eax + eax]
movzx edx, byte [edx + eax]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, edx
shr ecx, 4
and edx, 0xf
mov dword [esp + 0x20], ecx
add edx, edx
mov ecx, edi
shl ebp, 0x1c
shrd edi, ebx, 4
and ecx, 0xf
mov dword [esp + 0x28], 0
shr ebx, 4
or esi, edi
or ebp, ebx
xor edi, edi
mov ebx, dword [ecx*4 + 0x5bb400]
mov ecx, dword [esp + 0x18]
shrd dword [esp + 0x10], ecx, 4
xor edi, dword [esp + 0x10]
shr ecx, 4
xor ebx, ecx
mov ecx, dword [esp + 0x2c]
xor ebx, dword [ecx + edx*8 + 4]
xor ebp, dword [ecx + edx*8 + 0xc]
xor edi, dword [ecx + edx*8]
xor esi, dword [ecx + edx*8 + 8]
mov edx, edi
shrd edi, ebx, 4
mov ecx, esi
shl edx, 0x1c
shrd esi, ebp, 4
and ecx, 0xf
shr ebx, 4
or dword [esp + 0x28], esi
shr ebp, 4
or edx, ebp
xor ebp, ebp
mov ecx, dword [ecx*4 + 0x5bb400]
xor ebp, edi
xor ecx, ebx
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x20]
mov ebx, ebp
add edx, edx
mov dword [esp + 0x10], ebp
mov ebp, dword [esp + 0x2c]
xor ebx, dword [ebp + edx*8]
xor ecx, dword [ebp + edx*8 + 4]
mov dword [esp + 0x10], ebx
mov ebx, dword [esp + 0x28]
xor ebx, dword [ebp + edx*8 + 8]
mov dword [esp + 0x28], ebx
mov ebx, dword [esp + 0x14]
xor ebx, dword [ebp + edx*8 + 0xc]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x28]
sub edx, 1
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], edx
jns 0x4fdbe0
mov edx, dword [esp + 0x18]
shr ecx, 0x18
mov byte [eax], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov byte [eax + 3], dl
mov edx, dword [esp + 0x10]
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 5], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 6], cl
mov ecx, ebx
shr ecx, 0x18
mov byte [eax + 8], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 9], cl
mov ecx, ebx
shr ecx, 8
mov byte [eax + 0xa], cl
mov byte [eax + 7], dl
mov edx, edi
mov ecx, edx
mov byte [eax + 0xb], bl
shr ecx, 0x18
mov byte [eax + 0xc], cl
mov ecx, edx
shr ecx, 0x10
pop edi
mov byte [eax + 0xd], cl
mov ecx, edx
pop esi
shr ecx, 8
pop ebp
mov byte [eax + 0xe], cl
mov byte [eax + 0xf], dl
pop ebx
add esp, 0x14
ret
Function at 0x503640
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0x10]
mov edx, 0x400
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
mov edi, 0x80
mov esi, edx
mov ecx, edi
mov byte [ebp], 0
cmp dword [esp + 0x18], ecx
cmovle ecx, dword [esp + 0x18]
test eax, eax
cmovg esi, eax
cmp esi, edx
cmovg esi, edx
mov dword [esp + 0x14], esi
test ecx, ecx
jle 0x503695
mov ebx, dword [esp + 0x1c]
mov edx, ebp
sub ebx, ebp
mov esi, ecx
mov al, byte [ebx + edx]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub esi, 1
jne 0x503683
mov esi, dword [esp + 0x14]
movzx ebx, byte [ecx + ebp - 1]
cmp ecx, edi
jge 0x5036ba
mov edx, ebp
movzx eax, byte [edx]
lea edx, [edx + 1]
add eax, ebx
movzx eax, al
movzx ebx, byte [eax + 0x5bb468]
mov byte [ecx + ebp], bl
inc ecx
cmp ecx, edi
jl 0x5036a0
mov ecx, dword [esp + 0x14]
lea ebx, [esi + 7]
sar ebx, 3
neg ecx
sub edi, ebx
and ecx, 7
movzx eax, byte [edi + ebp]
lea esi, [edi + ebp]
mov edx, 0xff
sar edx, cl
and edx, eax
movzx ecx, byte [edx + 0x5bb468]
mov byte [esi], cl
test edi, edi
je 0x503708
nop dword [eax + eax]
movzx eax, byte [esi + ebx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x5bb468]
mov byte [esi], cl
sub edi, 1
jne 0x5036f0
lea esi, [ebp + 0xfc]
mov edi, 0x40
lea edx, [ebp + 0x7e]
movzx ecx, byte [edx + 1]
lea esi, [esi - 4]
movzx eax, byte [edx]
lea edx, [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [esi + 4], ecx
sub edi, 1
jne 0x503716
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x5053b0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.0040a610
mov eax, dword [0x5dc050]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov dword [esp], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x18], eax
push ebx
push ebp
movzx ebx, byte [eax]
lea ebp, [eax + 1]
mov edx, ebp
shl ebx, 0x18
push esi
push edi
mov edi, dword [esp + 0x54]
movzx eax, byte [edx]
movzx ecx, byte [edx + 3]
shl eax, 0x10
or ebx, eax
shl ecx, 0x18
movzx eax, byte [edx + 1]
shl eax, 8
or ebx, eax
mov esi, dword [edi]
movzx eax, byte [edx + 2]
or ebx, eax
mov dword [esp + 0x1c], edi
movzx eax, byte [edx + 4]
shl eax, 0x10
or ecx, eax
mov dword [esp + 0x24], ebp
movzx eax, byte [edx + 6]
mov dword [esp + 0x14], ecx
movzx ecx, byte [edx + 5]
mov edx, dword [esp + 0x14]
shl ecx, 8
or ecx, eax
mov dword [esp + 0x14], ebx
mov eax, ebx
mov byte [esp + 0x2f], bl
shr eax, 0x18
or edx, ecx
mov byte [esp + 0x2c], al
mov eax, ebx
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, dword [esp + 0x48]
mov dword [esp + 0x18], edx
mov byte [esp + 0x33], dl
test eax, eax
je 0x505575
mov ecx, dword [esp + 0x10]
mov edi, dword [esp + 0x40]
sub ecx, edi
mov dword [esp + 0x10], ecx
xor ebp, ebp
nop dword [eax]
dec eax
mov dword [esp + 0x48], eax
test esi, esi
jne 0x505505
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.00504dc0
mov ebx, dword [esp + 0x1c]
add esp, 8
mov edx, dword [esp + 0x18]
mov eax, ebx
shr eax, 0x18
mov byte [esp + 0x2c], al
mov eax, ebx
mov ecx, dword [esp + 0x10]
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
inc ebp
mov byte [esp + 0x2f], bl
mov byte [esp + 0x32], al
mov byte [esp + 0x33], dl
mov al, byte [esp + esi + 0x2c]
inc esi
xor al, byte [edi]
and esi, 7
mov byte [ecx + edi], al
inc edi
mov eax, dword [esp + 0x48]
test eax, eax
jne 0x5054a0
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x50555c
mov ecx, dword [esp + 0x28]
mov eax, ebx
shr eax, 0x18
mov byte [ecx], al
mov eax, ebx
shr eax, 0x10
mov byte [ebp], al
mov eax, ebx
shr eax, 8
mov byte [ebp + 1], al
mov eax, edx
shr eax, 0x18
mov byte [ebp + 2], bl
mov byte [ebp + 3], al
mov eax, edx
shr eax, 0x10
mov byte [ebp + 4], al
mov eax, edx
shr eax, 8
mov byte [ebp + 5], al
mov byte [ebp + 6], dl
mov eax, dword [esp + 0x1c]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.0040a159
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
mov dword [edi], esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0040a159
add esp, 0x2c
ret
Function at 0x508fb0
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Encrypt data using salsa20 or chacha

Disassembly:
mov eax, 0x98
call fcn.0040a610
mov eax, dword [0x5dc050]
xor eax, esp
mov dword [esp + 0x94], eax
mov ecx, dword [esp + 0xa8]
push edi
mov edi, dword [esp + 0xa0]
mov dword [esp + 4], edi
mov eax, dword [ecx]
mov dword [esp + 0x68], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x6c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x70], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x74], eax
mov eax, dword [ecx + 0x10]
mov dword [esp + 0x78], eax
mov eax, dword [ecx + 0x14]
mov dword [esp + 0x7c], eax
mov eax, dword [ecx + 0x18]
mov dword [esp + 0x80], eax
mov eax, dword [ecx + 0x1c]
mov ecx, dword [esp + 0xb0]
mov dword [esp + 0x84], eax
mov dword [esp + 0x58], 0x61707865
mov dword [esp + 0x5c], 0x3320646e
mov eax, dword [ecx]
mov dword [esp + 0x88], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x8c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x90], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x94], eax
mov eax, dword [esp + 0xa8]
mov dword [esp + 0x60], 0x79622d32
mov dword [esp + 0x64], 0x6b206574
test eax, eax
je 0x5091ad
push ebx
mov ebx, dword [esp + 0xa8]
push ebp
push esi
nop
mov esi, 0x40
cmp eax, esi
cmovb esi, eax
lea eax, [esp + 0x64]
push eax
lea eax, [esp + 0x28]
mov dword [esp + 0x24], esi
push eax
call fcn.005091d0
add esp, 8
xor eax, eax
test esi, esi
je 0x50917c
cmp esi, 0x20
jb 0x509154
lea edx, [edi - 1]
lea ecx, [esp + esi + 0x23]
add edx, esi
cmp edi, ecx
ja 0x5090cc
lea ecx, [esp + 0x24]
cmp edx, ecx
jae 0x509154
lea ecx, [ebx - 1]
add ecx, esi
cmp edi, ecx
ja 0x5090d9
cmp edx, ebx
jae 0x509154
mov ebp, esi
lea edx, [edi + 0x10]
lea esi, [esp + 0x24]
mov ecx, ebx
sub ecx, esi
and ebp, 0xffffffe0
mov dword [esp + 0x14], ecx
mov ecx, edi
sub ecx, esi
mov dword [esp + 0x18], ecx
mov ecx, ebx
mov ebx, dword [esp + 0x14]
sub ecx, edi
mov esi, dword [esp + 0x18]
mov edi, ecx
mov dword [esp + 0x1c], ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + eax + 0x24]
lea ecx, [ebx + eax]
movups xmm1, xmmword [esp + ecx + 0x24]
lea ecx, [esi + eax]
lea edx, [edx + 0x20]
pxor xmm1, xmm0
movups xmm0, xmmword [esp + eax + 0x34]
add eax, 0x20
movups xmmword [esp + ecx + 0x24], xmm1
movups xmm1, xmmword [edi + edx - 0x20]
pxor xmm1, xmm0
movups xmmword [edx - 0x20], xmm1
cmp eax, ebp
jb 0x509110
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x10]
mov ebx, dword [esp + 0xb0]
cmp eax, esi
jae 0x50917c
lea ecx, [esp + 0x24]
mov ebp, edi
sub ebx, ecx
sub ebp, ecx
lea edx, [esp + 0x24]
add edx, eax
inc eax
mov cl, byte [ebx + edx]
xor cl, byte [edx]
mov byte [edx + ebp], cl
cmp eax, esi
jb 0x509162
mov ebx, dword [esp + 0xb0]
mov eax, dword [esp + 0xb4]
add edi, esi
inc dword [esp + 0x94]
sub eax, esi
add ebx, esi
mov dword [esp + 0x10], edi
mov dword [esp + 0xb0], ebx
mov dword [esp + 0xb4], eax
test eax, eax
jne 0x509080
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x98]
pop edi
xor ecx, esp
call fcn.0040a159
add esp, 0x98
ret
Function at 0x50bb10
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x50bb24
mov dword [esp + 0x18], fcn.0050a2f0
jmp fcn.004fba90
mov dword [esp + 0x18], fcn.00509590
jmp fcn.004fb7d0
Function at 0x403029
Capabilities:
Create shortcut via ishelllink

Disassembly:
push 0x14
mov eax, 0x466556
call fcn.0043e694
and dword [ebp - 0x10], 0
lea eax, [ebp - 0x10]
push eax
push 0x4ca4fc
push 1
push 0
push 0x4caf48
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov ebx, eax
test ebx, ebx
js 0x403144
mov ecx, dword [ebp - 0x10]
lea edx, [ebp - 0x18]
and dword [ebp - 0x18], 0
push edx
push 0x4caf38
mov eax, dword [ecx]
push ecx
call dword [eax]
mov ebx, eax
test ebx, ebx
js 0x40313b
push dword [ebp + 0xc]
lea ecx, [ebp - 0x14]
call fcn.004147d8
mov ecx, dword [ebp - 0x10]
xor ebx, ebx
push dword [ebp - 0x14]
mov dword [ebp - 4], ebx
push ecx
mov eax, dword [ecx]
call dword [eax + 0x50]
cmp dword [ebp + 0x14], ebx
je 0x4030c1
push dword [ebp + 0x14]
lea ecx, [ebp - 0x1c]
call fcn.004147d8
mov ecx, dword [ebp - 0x10]
push dword [ebp - 0x1c]
mov byte [ebp - 4], 1
push ecx
mov eax, dword [ecx]
call dword [eax + 0x2c]
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], bl
call fcn.0041483b
mov ecx, dword [ebp - 0x10]
push ebx
push dword [ebp - 0x14]
mov eax, dword [ecx]
push ecx
call dword [eax + 0x44]
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x14]
call fcn.0041483b
push dword [ebp + 0x10]
lea ecx, [ebp - 0x1c]
call fcn.004147d8
mov ecx, dword [ebp - 0x10]
push dword [ebp - 0x1c]
mov dword [ebp - 4], 2
push ecx
mov eax, dword [ecx]
call dword [eax + 0x24]
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x1c]
call fcn.0041483b
push dword [ebp + 8]
lea ecx, [ebp - 0x20]
call fcn.004147d8
mov ecx, dword [ebp - 0x18]
push 1
push dword [ebp - 0x20]
mov dword [ebp - 4], 3
mov eax, dword [ecx]
push ecx
call dword [eax + 0x18]
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x20]
mov ebx, eax
call fcn.0041483b
mov eax, dword [ebp - 0x18]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
mov eax, dword [ebp - 0x10]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
shr ebx, 0x1f
xor bl, 1
mov al, bl
call fcn.0043e662
ret

Function at 0x4034c4
Capabilities:
Persist via run registry key

Disassembly:
push str.Spotify_Web_Helper
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push SysReAllocString
call fcn.00414884
add esp, 0xc
ret
Function at 0x403654
Capabilities:
Check http status code
Create http request
Download and write a file
Get http content length
Read data from internet
Receive and write data from server to client
Receive data
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x4024
call fcn.0043e770
mov eax, dword [0x4e11d4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
xor ebx, ebx
push edi
push 0x32
pop edi
push ebx
push ebx
mov dword [ebp - 0x401c], eax
xor eax, eax
push ebx
inc eax
push ebx
push str.SpotifyInstaller_1.0
mov dword [ebp - 0x4018], eax
mov byte [0x4e7128], al
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [ebp - 0x4024], eax
test eax, eax
jne 0x4036b1
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x403823
push ebx
push 0x80000200
push ebx
push ebx
push esi
push eax
call dword [sym.imp.WININET.dll_InternetOpenUrlA]
mov ebx, eax
test ebx, ebx
jne 0x4036d5
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x34
pop edi
jmp 0x403817
and dword [ebp - 0x4010], 0
lea eax, [ebp - 0x4008]
mov esi, dword [sym.imp.WININET.dll_HttpQueryInfoW]
push 0
push eax
lea eax, [ebp - 0x4010]
mov dword [ebp - 0x4008], 4
push eax
push 0x20000005
push ebx
call esi
and dword [ebp - 0x4014], 0
lea eax, [ebp - 0x4008]
push 0
push eax
lea eax, [ebp - 0x4014]
mov dword [ebp - 0x4008], 4
push eax
push 0x20000013
push ebx
call esi
cmp dword [ebp - 0x4014], 0xc8
je 0x403740
push 0x33
jmp 0x40380f
mov eax, dword [ebp - 0x4010]
xor esi, esi
mov dword [0x4e7124], eax
mov dword [0x4e7120], 0
jmp 0x403800
push 0x4e7108
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x4e7108
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
lea eax, [ebp - 0x400c]
push eax
push 0x4000
lea eax, [ebp - 0x4004]
push eax
push ebx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x403852
cmp byte [ebp - 0x4018], 0
mov eax, dword [ebp - 0x400c]
je 0x4037c1
mov byte [ebp - 0x4018], 0
cmp eax, 2
jb 0x4037c1
cmp byte [ebp - 0x4004], 0x4d
jne 0x403834
cmp byte [ebp - 0x4003], 0x5a
jne 0x403834
test eax, eax
je 0x403842
push 0
lea ecx, [ebp - 0x4020]
push ecx
push eax
lea eax, [ebp - 0x4004]
push eax
push dword [ebp - 0x401c]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x403838
mov eax, dword [ebp - 0x400c]
cmp dword [ebp - 0x4020], eax
jne 0x40383e
add dword [0x4e7120], eax
add esi, dword [ebp - 0x400c]
cmp byte [0x4e7104], 0
je 0x40375c
push 0x13
pop edi
push ebx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
push dword [ebp - 0x4024]
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0043e654
leave
push 0x36
jmp 0x40380f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xb
jmp 0x40380f
xor eax, eax
cmp esi, dword [ebp - 0x4010]
push 0x36
pop edi
cmove edi, eax
jmp 0x403810
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x403810