joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49a880
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x545aa1
mov eax, dword fs:[0]
push eax
sub esp, 0x20
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
mov esi, dword [ebp + 0xc]
mov ebx, dword [ebp + 0x14]
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x24], 0
mov dword [ebp - 4], 1
mov dword [ebp - 0x1c], 0
mov dword [edi], 0
call fcn.00414780
mov ecx, eax
test ecx, ecx
je 0x49aa14
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [edi], eax
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x24], 1
push eax
push 0xf003f
push 0
push dword [ebp + 0x10]
push esi
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x49a9d5
lea eax, [ebp - 0x14]
xorps xmm0, xmm0
push eax
push 0
lea eax, [ebp - 0x18]
movlpd qword [ebp - 0x18], xmm0
push eax
push 0
push ebx
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x49a9c7
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x49a9d5
add eax, 0x10
push 0x5a1dda
push eax
mov dword [ebp - 0x20], eax
call fcn.0049e96d
mov esi, eax
add esp, 8
test esi, esi
je 0x49a9d5
push dword [ebp - 0x20]
push 0
push esi
call fcn.004e3050
add esp, 0xc
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push ebx
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
je 0x49a98a
push esi
call fcn.0049e968
add esp, 4
jmp 0x49a9d5
mov ecx, esi
lea edx, [ecx + 2]
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x49a990
sub ecx, edx
sar ecx, 1
je 0x49a9be
mov ecx, esi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x49a9a6
sub ecx, edx
sar ecx, 1
push ecx
push esi
mov ecx, edi
call fcn.0040d5b0
push esi
call fcn.0049e968
add esp, 4
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x49a9d5
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov esi, dword [ebp + 0x10]
or eax, 0xffffffff
mov byte [ebp - 4], 0
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x49a9f4
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret 0x10
push 0x80004005
call fcn.0040aab0
int3
Function at 0x49aa20
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [ebp + 0x14]
mov esi, edi
mov dword [ebp - 0xc], eax
lea edx, [esi + 2]
mov ax, word [esi]
add esi, 2
test ax, ax
jne 0x49aa44
lea eax, [ebp - 8]
mov dword [ebp - 8], 0
push eax
push 0xf003f
push 0
push dword [ebp + 0xc]
sub esi, edx
push ecx
sar esi, 1
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
xor ebx, ebx
test eax, eax
sete bl
test eax, eax
jne 0x49aaa6
lea eax, [esi*2 + 2]
push eax
push edi
push 1
push 0
push dword [ebp - 0xc]
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
neg eax
sbb ebx, ebx
mov eax, dword [ebp - 8]
inc ebx
test eax, eax
je 0x49aaa6
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [ebp + 0xc]
or ecx, 0xffffffff
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x49aac1
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov ecx, dword [ebp - 4]
mov eax, ebx
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0049dec8
mov esp, ebp
pop ebp
ret 0x10
Function at 0x49c560
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x260
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push esi
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push eax
mov dword [ebp - 0x260], ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x49c5b1
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret
push ebx
push edi
lea eax, [ebp - 0x14]
xorps xmm0, xmm0
push eax
push esi
movq qword [ebp - 0x14], xmm0
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
mov eax, dword [ebp - 0x14]
or eax, dword [ebp - 0x10]
je 0x49c68f
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
lea eax, [ebp - 8]
push 0
push eax
push 0x40
lea eax, [ebp - 0x58]
mov dword [ebp - 8], 0
push eax
push esi
call ebx
test eax, eax
je 0x49c68f
mov eax, 0x5a4d
cmp word [ebp - 0x58], ax
jne 0x49c68f
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
lea eax, [ebp - 0xc]
push 0
push eax
push dword [ebp - 0x1c]
mov dword [ebp - 0xc], 0
push esi
call edi
cmp eax, 0xffffffff
je 0x49c68f
push 0
lea eax, [ebp - 8]
push eax
push 0xf8
lea eax, [ebp - 0x150]
push eax
push esi
call ebx
test eax, eax
je 0x49c68f
mov eax, 0x8664
cmp word [ebp - 0x14c], ax
jne 0x49c6a9
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push eax
push dword [ebp - 0x1c]
push esi
call edi
cmp eax, 0xffffffff
je 0x49c68f
push 0
lea eax, [ebp - 8]
push eax
push 0x108
lea eax, [ebp - 0x258]
push eax
push esi
call ebx
test eax, eax
je 0x49c68f
mov eax, dword [ebp - 0x1b0]
test eax, eax
je 0x49c68f
mov edi, dword [ebp - 0x1ac]
test edi, edi
jne 0x49c6bd
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop ebx
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0xb8]
test eax, eax
je 0x49c68f
mov edi, dword [ebp - 0xb4]
test edi, edi
je 0x49c68f
lea ecx, [edi + eax]
cmp ecx, dword [ebp - 0x14]
ja 0x49c68f
cmp ecx, eax
jb 0x49c68f
push 0
lea ecx, [ebp - 0xc]
push ecx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x49c68f
lea eax, [ebp - 0x259]
mov byte [ebp - 0x259], 0
push eax
mov eax, dword [ebp - 0x260]
mov ecx, eax
push eax
push edi
call fcn.0049b1c0
mov ecx, dword [ebp - 0x260]
lea eax, [ebp - 8]
push 0
push eax
push edi
push dword [ecx]
push esi
call ebx
test eax, eax
je 0x49c68f
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
mov eax, 1
pop edi
pop ebx
xor ecx, ebp
pop esi
call fcn.0049dec8
mov esp, ebp
pop ebp
ret
Function at 0x49c8d0
Capabilities:
Encode data using xor
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
sub esp, 0x150
push ebx
push esi
xor esi, esi
add edx, 0x1f
push edi
movzx ecx, byte [edx - 1]
lea edx, [edx + 4]
movzx eax, byte [edx - 4]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx - 3]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [ebp + esi*4 - 0x150], ecx
inc esi
cmp esi, 0x10
jl 0x49c8e4
lea eax, [ebp - 0x148]
mov edx, 0x40
nop
mov ecx, dword [eax + 0x2c]
lea eax, [eax + 4]
xor ecx, dword [eax + 0x14]
xor ecx, dword [eax - 0xc]
xor ecx, dword [eax - 4]
rol ecx, 1
mov dword [eax + 0x34], ecx
sub edx, 1
jne 0x49c920
mov eax, dword [ebp + 8]
mov dword [ebp - 4], edx
mov ecx, dword [eax]
mov edi, dword [eax + 4]
mov esi, dword [eax + 8]
mov ebx, dword [eax + 0xc]
mov eax, dword [eax + 0x10]
mov dword [ebp - 0x10], ecx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], eax
mov edx, ecx
mov eax, esi
and eax, edi
rol edx, 5
mov ecx, edi
not ecx
and ecx, ebx
or ecx, eax
mov eax, dword [ebp - 4]
add edx, ecx
add edx, dword [ebp + eax*4 - 0x150]
mov eax, dword [ebp - 8]
add eax, 0x5a827999
mov dword [ebp - 8], ebx
add edx, eax
mov ebx, esi
mov eax, dword [ebp - 4]
mov esi, edi
mov edi, dword [ebp - 0xc]
inc eax
ror esi, 2
mov ecx, edx
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x14
jl 0x49c956
mov dword [ebp - 4], 0x14
mov eax, ebx
rol edx, 5
xor eax, esi
xor eax, edi
add edx, eax
mov eax, dword [ebp - 4]
add edx, dword [ebp + eax*4 - 0x150]
mov eax, dword [ebp - 8]
add eax, 0x6ed9eba1
mov dword [ebp - 8], ebx
add edx, eax
mov ebx, esi
mov eax, dword [ebp - 4]
mov esi, edi
inc eax
ror esi, 2
mov dword [ebp - 4], eax
mov edi, ecx
mov ecx, edx
cmp eax, 0x28
jl 0x49c9a2
mov dword [ebp - 0xc], ecx
mov dword [ebp - 4], 0x28
mov ecx, esi
rol edx, 5
or ecx, edi
mov eax, esi
and eax, edi
and ecx, ebx
or ecx, eax
add edx, 0x8f1bbcdc
mov eax, dword [ebp - 4]
add edx, dword [ebp - 8]
mov dword [ebp - 8], ebx
mov ebx, esi
mov esi, edi
mov edi, dword [ebp - 0xc]
add ecx, dword [ebp + eax*4 - 0x150]
inc eax
add edx, ecx
ror esi, 2
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x3c
jl 0x49c9e5
mov dword [ebp - 4], 0x3c
nop dword [eax]
mov ecx, dword [ebp - 4]
mov eax, ebx
xor eax, esi
rol edx, 5
add edx, dword [ebp - 8]
xor eax, edi
add eax, 0xca62c1d6
mov dword [ebp - 8], ebx
add eax, dword [ebp + ecx*4 - 0x150]
mov ebx, esi
add edx, eax
mov esi, edi
mov edi, dword [ebp - 0xc]
mov eax, ecx
inc eax
ror esi, 2
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x50
jl 0x49ca30
mov ecx, dword [ebp + 8]
mov eax, dword [ebp - 0x10]
add eax, edx
add dword [ecx + 4], edi
add dword [ecx + 8], esi
add dword [ecx + 0xc], ebx
mov dword [ecx], eax
mov eax, dword [ebp - 8]
add dword [ecx + 0x10], eax
xor eax, eax
pop edi
pop esi
mov word [ecx + 0x1c], ax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x49ca90
Capabilities:
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test eax, eax
jne 0x49caa1
mov eax, 1
pop ebp
ret
mov dword [eax + 0x14], 0
xor ecx, ecx
mov dword [eax + 0x18], 0
mov word [eax + 0x1c], cx
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
mov dword [eax + 0x10], 0xc3d2e1f0
mov dword [eax + 0x60], ecx
mov dword [eax + 0x64], ecx
xor eax, eax
pop ebp
ret

Function at 0x4a07a0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0xc]
push esi
mov esi, dword [ebp + 0xc]
push edi
push 0
push 0
push 0x80
push 2
push 1
push 0x40000000
push eax
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], 0
call fcn.0049f4e0
mov edi, dword [ebp - 0xc]
test eax, eax
js 0x4a0833
cmp dword [esi + 0x14], 0x10
mov eax, dword [esi + 0x10]
jb 0x4a07f3
mov esi, dword [esi]
push 0
lea ecx, [ebp - 8]
push ecx
push eax
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4a0811
call fcn.004369c0
mov esi, eax
test esi, esi
js 0x4a082c
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
test eax, eax
jne 0x4a082a
call fcn.004369c0
mov esi, eax
not esi
shr esi, 0x1f
jmp 0x4a0835
xor esi, esi
not esi
shr esi, 0x1f
jmp 0x4a0835
xor esi, esi
test edi, edi
je 0x4a0840
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
mov eax, esi
pop edi
xor ecx, ebp
pop esi
call fcn.0049dec8
mov esp, ebp
pop ebp
ret
Function at 0x4a0d30
Capabilities:
Encode data using base64 via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x546038
mov eax, dword fs:[0]
push eax
sub esp, 0x30
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0x10]
mov edx, 2
mov dword [ebp - 0x38], eax
mov eax, dword [ebp + 0x14]
mov esi, dword [ebp + 8]
mov dword [ebp - 0x34], eax
mov ecx, dword [eax]
mov eax, ecx
add ecx, 0xa
shr eax, 6
add eax, ecx
xor ecx, ecx
mov dword [ebp - 0x2c], eax
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0049e818
mov ecx, dword [ebp - 0x2c]
mov edi, eax
add ecx, ecx
push ecx
push 0
push edi
call fcn.004e3050
add esp, 0x10
lea eax, [ebp - 0x2c]
push eax
push edi
push SysReAllocString
push dword [ebp + 0xc]
push esi
call dword [sym.imp.CRYPT32.dll_CryptBinaryToStringW]
mov ecx, edi
mov dword [ebp - 0x18], 0
mov esi, eax
mov dword [ebp - 0x14], 7
xor eax, eax
mov dword [ebp - 0x3c], esi
mov word [ebp - 0x28], ax
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4a0dd4
sub ecx, edx
sar ecx, 1
push ecx
push edi
lea ecx, [ebp - 0x28]
call fcn.004125f0
push 2
push edi
mov dword [ebp - 4], 0
call fcn.0049dede
mov ebx, dword [ebp - 0x14]
add esp, 8
mov edi, dword [ebp - 0x28]
test esi, esi
je 0x4a0ed6
cmp ebx, 8
lea eax, [ebp - 0x28]
cmovae eax, edi
mov edx, dword [ebp - 0x18]
mov dword [ebp - 0x30], edx
nop dword [eax]
cmp ebx, 8
lea ecx, [ebp - 0x28]
cmovae ecx, edi
lea ecx, [ecx + edx*2]
cmp eax, ecx
je 0x4a0ea4
cmp word [eax], 0xa
jne 0x4a0e9c
cmp ebx, 8
lea ecx, [ebp - 0x28]
cmovae ecx, edi
sub eax, ecx
sar eax, 1
cmp edx, eax
jb 0x4a0f24
mov ecx, edx
lea esi, [eax + eax]
sub ecx, eax
mov edx, 1
cmp ecx, edx
cmovb edx, ecx
cmp ebx, 8
mov ebx, dword [ebp - 0x30]
lea ecx, [ebp - 0x28]
cmovae ecx, edi
sub ebx, edx
mov dword [ebp - 0x18], ebx
add ecx, esi
sub ebx, eax
lea eax, [ebx*2 + 2]
push eax
lea eax, [ecx + edx*2]
push eax
push ecx
call fcn.004e3d60
mov ebx, dword [ebp - 0x14]
lea eax, [ebp - 0x28]
mov edi, dword [ebp - 0x28]
add esp, 0xc
cmp ebx, 8
cmovae eax, edi
add eax, esi
jmp 0x4a0e16
add eax, 2
jmp 0x4a0e20
mov esi, dword [ebp - 0x34]
mov ecx, dword [esi]
cmp edx, ecx
jbe 0x4a0eb1
xor esi, esi
jmp 0x4a0ed6
cmp ebx, 8
lea eax, [ebp - 0x28]
push edx
cmovae eax, edi
push eax
push ecx
push dword [ebp - 0x38]
call fcn.0050e4ad
mov eax, dword [ebp - 0x18]
add esp, 0x10
mov ebx, dword [ebp - 0x14]
mov edi, dword [ebp - 0x28]
mov dword [esi], eax
mov esi, dword [ebp - 0x3c]
cmp ebx, 8
jb 0x4a0f06
lea ebx, [ebx*2 + 2]
mov eax, edi
cmp ebx, 0x1000
jb 0x4a0efc
mov edi, dword [edi - 4]
add ebx, 0x23
sub eax, edi
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4a0f29
push ebx
push edi
call fcn.0049dede
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret
call fcn.0043cc60
call fcn.004ffdd3
int3
Function at 0x4a3b00
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5463b6
mov eax, dword fs:[0]
push eax
sub esp, 0x108
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, dword [ecx + 8]
mov edi, dword [ebp + 8]
mov ebx, dword [ebp + 0x14]
mov dword [ebp - 0xb4], ecx
mov dword [ebp - 4], 0
test esi, esi
je 0x4a3bed
test edi, edi
je 0x4a3c19
mov edx, dword [ebp + 0x10]
test edx, 0xf
jne 0x4a3c45
lea eax, [edx - 0x10]
cmp dword [ebp + 0xc], eax
jbe 0x4a3c71
cmp byte [ecx + 0x10], 0
je 0x4a3c9d
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], edx
push eax
push edi
push 0
push 1
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptDecrypt]
mov ecx, eax
test ecx, ecx
je 0x4a3cc9
jmp 0x4a3bc5
mov eax, dword [ebp - 0x18]
mov dword [ebx], eax
test ecx, ecx
setne al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret 0x10
push 0x80090003
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Key_is_not_valid
lea ecx, [ebp - 0xc0]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xc0]
push eax
call fcn.004e32e7
push 0x6f8
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_NULL
lea ecx, [ebp - 0xcc]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xcc]
push eax
call fcn.004e32e7
push 0x80090005
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Data_size_is_not_a_multple_of_block_size
lea ecx, [ebp - 0xd8]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xd8]
push eax
call fcn.004e32e7
push 0x80090028
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_too_small
lea ecx, [ebp - 0xe4]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xe4]
push eax
call fcn.004e32e7
push 0x80090027
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_IV_has_not_been_set
lea ecx, [ebp - 0xf0]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xf0]
push eax
call fcn.004e32e7
push 0x98
lea ecx, [ebp - 0xb0]
call fcn.004a5030
push 1
push 2
lea ecx, [ebp - 0xb0]
call fcn.004a2b10
lea eax, [ebp - 0xb0]
mov byte [ebp - 4], 1
push str.Decrypt_1_:_CryptDecrypt_failed__
push eax
call fcn.004a2880
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
add esp, 8
call esi
push eax
call fcn.004a4710
push eax
lea eax, [ebp - 0xb0]
push eax
call fcn.004a2880
add esp, 0xc
lea eax, [ebp - 0xb0]
push str.__0x
push eax
call fcn.004a2880
add esp, 8
mov ecx, eax
push 0x4a5050
call fcn.004a36b0
mov edi, eax
call esi
push eax
mov ecx, edi
call fcn.004a33f0
push 0x568f68
push eax
call fcn.004a2880
add esp, 8
mov dword [ebx], 0
lea eax, [ebp - 0x114]
lea ecx, [ebp - 0xb0]
push eax
call fcn.004a5700
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.0047d001
push eax
lea ecx, [ebp - 0xfc]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xfc]
push eax
call fcn.004e32e7
push 0
push 0
call fcn.004e32e7
int3
Function at 0x4a4120
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x546436
mov eax, dword fs:[0]
push eax
sub esp, 0xfc
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov edx, dword [ecx + 8]
mov esi, dword [ebp + 8]
mov edi, dword [ebp + 0x14]
mov dword [ebp - 0xb4], ecx
mov dword [ebp - 4], 0
test edx, edx
je 0x4a4209
test esi, esi
je 0x4a4235
mov ebx, dword [ebp + 0x10]
mov eax, ebx
and eax, 0xfffffff0
add eax, 0x10
cmp dword [ebp + 0xc], eax
jb 0x4a4261
cmp byte [ecx + 0x10], 0
je 0x4a428d
push dword [ebp + 0xc]
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], ebx
push eax
push esi
push 0
push 1
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
mov ecx, eax
test ecx, ecx
je 0x4a42b9
jmp 0x4a41e1
mov eax, dword [ebp - 0x18]
mov dword [edi], eax
test ecx, ecx
setne al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret 0x10
push 0x80090003
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Key_is_not_valid
lea ecx, [ebp - 0xc0]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xc0]
push eax
call fcn.004e32e7
push 0x6f8
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Buffer_is_NULL
lea ecx, [ebp - 0xcc]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xcc]
push eax
call fcn.004e32e7
push 0x80090028
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Buffer_is_too_small
lea ecx, [ebp - 0xd8]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xd8]
push eax
call fcn.004e32e7
push 0x80090027
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_IV_has_not_been_set
lea ecx, [ebp - 0xe4]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xe4]
push eax
call fcn.004e32e7
push 0x98
lea ecx, [ebp - 0xb0]
call fcn.004a5030
push 1
push 2
lea ecx, [ebp - 0xb0]
call fcn.004a2b10
lea eax, [ebp - 0xb0]
mov byte [ebp - 4], 1
push str.Encrypt_1_:_CryptEncrypt_failed__
push eax
call fcn.004a2880
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
add esp, 8
call esi
push eax
call fcn.004a4710
push eax
lea eax, [ebp - 0xb0]
push eax
call fcn.004a2880
add esp, 0xc
lea eax, [ebp - 0xb0]
push str.__0x
push eax
call fcn.004a2880
add esp, 8
mov ecx, eax
push 0x4a5050
call fcn.004a36b0
mov ebx, eax
call esi
push eax
mov ecx, ebx
call fcn.004a33f0
push 0x568f68
push eax
call fcn.004a2880
add esp, 8
mov dword [edi], 0
lea eax, [ebp - 0x108]
lea ecx, [ebp - 0xb0]
push eax
call fcn.004a5700
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.0047d001
push eax
lea ecx, [ebp - 0xf0]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xf0]
push eax
call fcn.004e32e7
push 0
push 0
call fcn.004e32e7
int3
Function at 0x4a4b20
Capabilities:
Encrypt data using aes via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5464d8
mov eax, dword fs:[0]
push eax
sub esp, 0x94
mov eax, dword [0x59bc84]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov edi, ecx
mov eax, dword [edi + 8]
lea ebx, [edi + 8]
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x4c], edi
mov dword [ebp - 0x18], ecx
test eax, eax
je 0x4a4b7a
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov ecx, dword [ebp - 0x18]
mov dword [ebx], 0
mov byte [edi + 0x10], 0
cmp dword [edi + 4], 0
mov dword [ebp - 4], 0
je 0x4a4ca9
test ecx, ecx
je 0x4a4cc4
mov esi, dword [ebp + 0xc]
cmp esi, 0x10
je 0x4a4ba9
cmp esi, 0x18
je 0x4a4ba9
cmp esi, 0x20
jne 0x4a4cdf
push 0x2c
lea eax, [ebp - 0x44]
push 0
push eax
call fcn.004e3050
add esp, 0xc
mov dword [ebp - 0x44], 0x208
mov byte [ebp - 4], 1
cmp esi, 0x10
je 0x4a4bf0
cmp esi, 0x18
je 0x4a4be2
cmp esi, 0x20
jne 0x4a4cfa
mov dword [ebp - 0x40], 0x6610
mov eax, esi
jmp 0x4a4bfc
mov dword [ebp - 0x40], 0x660f
mov eax, 0x18
jmp 0x4a4bfc
mov dword [ebp - 0x40], 0x660e
mov eax, 0x10
push esi
push dword [ebp - 0x18]
mov dword [ebp - 0x3c], eax
push eax
lea eax, [ebp - 0x38]
push eax
call fcn.004a5a00
add esp, 0x10
test eax, eax
jne 0x4a4d15
push ebx
push 0
push 0
lea eax, [esi + 0xc]
push eax
lea eax, [ebp - 0x44]
push eax
push dword [edi + 4]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
je 0x4a4d36
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 1
push eax
push 4
push dword [ebx]
call dword [sym.imp.ADVAPI32.dll_CryptSetKeyParam]
test eax, eax
je 0x4a4d57
jmp 0x4a4c73
mov al, 1
lea ecx, [ebp - 0x44]
mov edx, 4
nop dword [eax]
mov byte [ecx], 0
lea ecx, [ecx + 1]
sub edx, 1
jne 0x4a4c80
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0049dec8
mov esp, ebp
pop ebp
ret 8
push str.SetKey:_Provider_is_not_valid
lea ecx, [ebp - 0x58]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x58]
push eax
call fcn.004e32e7
push str.SetKey:_Key_buffer_is_NULL
lea ecx, [ebp - 0x64]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x64]
push eax
call fcn.004e32e7
push str.SetKey:_Key_size_is_not_valid
lea ecx, [ebp - 0x70]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x70]
push eax
call fcn.004e32e7
push str.SetKey:_Key_size_is_not_valid
lea ecx, [ebp - 0x7c]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x7c]
push eax
call fcn.004e32e7
push str.SetKey:_Unable_to_copy_key
lea ecx, [ebp - 0x88]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x88]
push eax
call fcn.004e32e7
push str.SetKey:_Import_key_failed
lea ecx, [ebp - 0x94]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0x94]
push eax
call fcn.004e32e7
push str.SetKey:_Set_CBC_mode_failed
lea ecx, [ebp - 0xa0]
call fcn.004a2e70
push 0x58ea38
lea eax, [ebp - 0xa0]
push eax
call fcn.004e32e7
push 0
push 0
call fcn.004e32e7
int3