joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10027100
Capabilities:
Get hostname

Disassembly:
push 0x1009403c
push 0x10096284
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
call fcn.10027010
cmp eax, 1
jne 0x1002712c
push str.Win_XP
push 0x10097ed0
call fcn.10005ac0
add esp, 8
call fcn.10027010
cmp eax, 2
jne 0x10027148
push str.Win_Vista
push 0x10097ed0
call fcn.10005ac0
add esp, 8
call fcn.10027010
cmp eax, 3
jne 0x10027164
push str.Win_7
push 0x10097ed0
call fcn.10005ac0
add esp, 8
call fcn.10027010
cmp eax, 4
jne 0x10027180
push str.Win_8
push 0x10097ed0
call fcn.10005ac0
add esp, 8
call fcn.10027010
cmp eax, 5
jne 0x1002719c
push str.Wi_10
push 0x10097ed0
call fcn.10005ac0
add esp, 8
ret
Function at 0x10055950
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x1009400c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_VirtualProtect]
push esi
push edi
mov esi, edx
mov edi, ecx
nop dword [eax]
cmp byte [edi], 0x6a
jne 0x100559ee
cmp esi, 0x1000
jbe 0x100559ca
cmp edi, 0x1000
jbe 0x100559ca
lea eax, [ebp - 8]
push eax
push 0x80
push 7
push esi
call ebx
push 7
push edi
push esi
call sub.VCRUNTIME140.dll_memmove
add esp, 0xc
lea eax, [ebp - 0x10]
push eax
push dword [ebp - 8]
push 7
push esi
call ebx
mov edx, dword [ebp + 8]
push ecx
lea ecx, [esi + 7]
lea edx, [edx + 7]
call fcn.100142d0
add esp, 4
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x10055a5a
mov edx, dword [ebp + 8]
push ecx
lea ecx, [esi + 7]
lea edx, [edx + 7]
call fcn.100142d0
add esp, 4
cmp esi, 0x1000
jbe 0x10055a5d
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x10055a5a
cmp esi, 0x1000
jbe 0x10055a38
cmp edi, 0x1000
jbe 0x10055a38
lea eax, [ebp - 0xc]
push eax
push 0x80
push 5
push esi
call ebx
push 5
push edi
push esi
call sub.VCRUNTIME140.dll_memmove
add esp, 0xc
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0xc]
push 5
push esi
call ebx
mov edx, dword [ebp + 8]
push ecx
lea ecx, [esi + 5]
lea edx, [edx + 5]
call fcn.100142d0
add esp, 4
jmp 0x10055a52
mov edx, dword [ebp + 8]
push ecx
lea ecx, [esi + 5]
lea edx, [edx + 5]
call fcn.100142d0
add esp, 4
cmp esi, 0x1000
jbe 0x10055a5d
lea eax, [ebp - 0x1c]
push eax
push 0x40
push 7
push esi
call ebx
mov al, byte [edi]
cmp al, 0x8b
je 0x10055a74
cmp al, 0x6a
je 0x10055a74
push 5
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x10055970
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.100656e9
mov esp, ebp
pop ebp
ret
Function at 0x10056800
Capabilities:
Access peb ldr_data
Allocate or change rwx memory
Create thread
Execute shellcode via indirect call
Spawn thread to rwx shellcode

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
mov eax, dword [0x1009400c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 1
push edi
mov edi, dword [ebp + 8]
jne 0x10056902
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0x18]
test ecx, ecx
je 0x10056887
cmp ecx, edi
jne 0x1005687e
mov edx, dword [eax + 4]
test edx, edx
je 0x1005684c
mov ecx, dword [eax]
mov dword [edx], ecx
mov edx, dword [eax + 4]
test edx, edx
je 0x1005684c
mov ecx, dword [eax]
mov dword [ecx + 4], edx
mov edx, dword [eax + 0x14]
test edx, edx
je 0x10056858
mov ecx, dword [eax + 0x10]
mov dword [edx], ecx
mov edx, dword [eax + 0x10]
test edx, edx
je 0x10056865
mov ecx, dword [eax + 0x14]
mov dword [edx + 4], ecx
mov edx, dword [eax + 8]
test edx, edx
je 0x1005687e
mov ecx, dword [eax + 0xc]
mov dword [ecx], edx
mov edx, dword [eax + 8]
test edx, edx
je 0x1005687e
mov ecx, dword [eax + 0xc]
mov dword [edx + 4], ecx
mov eax, dword [eax]
mov ecx, dword [eax + 0x18]
test ecx, ecx
jne 0x10056831
push esi
push 0x1c
lea eax, [ebp - 0x20]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
mov esi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea eax, [ebp - 0xc]
push eax
push 0x40
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push 0xc8
push 0
push edi
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 0
push dword [ebp - 0xc]
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_FlushInstructionCache]
mov esi, dword [sym.imp.KERNEL32.dll_CreateThread]
push 0
push 0
push 0
push 0x1003dd10
push 0
push 0
call esi
push 0
push 0
push 0
push 0x10055e30
push 0
push 0
call esi
pop esi
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
pop edi
call fcn.100656e9
mov esp, ebp
pop ebp
ret 0xc
Function at 0x10056f10
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 0x10056f3c
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsputn_char_const___long_long___int64__]
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 0x10056f5e
mov eax, dword [ebx + 0x30]
mov eax, dword [eax]
jmp 0x10056f60
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test edi, edi
jl 0x10056fe5
jg 0x10056f75
test esi, esi
je 0x10056fe5
test ecx, ecx
jl 0x10056fc8
jg 0x10056f7f
test eax, eax
je 0x10056fc8
cmp edi, ecx
jg 0x10056f93
jl 0x10056f89
cmp esi, eax
jae 0x10056f93
mov eax, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], edi
push eax
push dword [ebp + 8]
push dword [esp + 0x1c]
call sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x18]
add esp, 0xc
mov eax, dword [ebx + 0x30]
sub esi, ecx
mov edx, dword [ebp + 8]
sbb edi, dword [esp + 0x10]
add edx, ecx
sub dword [eax], ecx
mov eax, dword [ebx + 0x20]
add dword [eax], ecx
test edi, edi
jl 0x10056fe5
jg 0x10056fcb
test esi, esi
je 0x10056fe5
jmp 0x10056fcb
mov edx, dword [ebp + 8]
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x10056fe5
push eax
push esi
push 1
push edx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
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 0x10057000
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 8]
mov dword [ebp - 8], ecx
push esi
mov esi, dword [ebp + 0xc]
test eax, eax
jg 0x1005702c
jl 0x10057020
test esi, esi
jne 0x1005702c
pop esi
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
je 0x10057045
push eax
push esi
push ecx
mov ecx, ebx
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsgetn_char___long_long___int64__]
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
push edi
mov edi, esi
mov dword [ebp - 4], esi
mov edx, dword [eax]
test edx, edx
je 0x10057085
mov eax, dword [ebx + 0x2c]
mov eax, dword [eax]
test eax, eax
je 0x10057085
mov edi, dword [ebp + 0xc]
cmp eax, edi
cmovb esi, eax
push esi
push edx
push ecx
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x2c]
sub edi, esi
add dword [ebp - 8], esi
add esp, 0xc
mov dword [ebp - 4], edi
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [ebp + 0xc]
cmp dword [ebx + 0x4c], 0
je 0x1005713c
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x100570b0
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebx + 0x2c]
mov dword [eax], edx
mov eax, dword [ebp - 4]
mov edx, eax
mov ecx, dword [ebp - 8]
cmp eax, 0xfff
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov dword [ebp - 4], edx
jbe 0x100570ff
nop word [eax + eax]
push dword [ebx + 0x4c]
push 0xfff
push 1
push ecx
call eax
mov ecx, dword [ebp - 8]
sub edi, eax
add ecx, eax
mov dword [ebp - 4], edi
add esp, 0x10
mov dword [ebp - 8], ecx
mov edx, edi
cmp eax, 0xfff
jne 0x10057129
cmp edi, eax
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
ja 0x100570d0
cmp dword [ebp - 4], 0
jbe 0x1005713f
push dword [ebx + 0x4c]
push edi
push 1
push ecx
call eax
mov edx, dword [ebp - 4]
add esp, 0x10
sub edx, eax
sub esi, edx
mov edx, dword [ebp + 0x10]
mov eax, esi
pop edi
pop esi
sbb edx, 0
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edx, dword [ebp + 0x10]
sub esi, edi
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edx, dword [ebp - 4]
sub esi, edx
mov edx, dword [ebp + 0x10]
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x100574b0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x1009400c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x100574e0
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
mov eax, dword [eax]
test eax, eax
je 0x10057510
mov edx, dword [esi + 0x30]
mov edx, dword [edx]
add edx, eax
cmp eax, edx
jae 0x10057510
call dword [sym.imp.MSVCP140.dll_protected:_char____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::_Pninc_void_]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
push edi
je 0x100575e5
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x10057539
mov edx, dword [esi + 0x54]
mov ecx, dword [esi + 0x50]
sub edx, ecx
mov dword [edi], ecx
mov eax, dword [esi + 0x1c]
mov dword [eax], ecx
mov eax, dword [esi + 0x2c]
mov dword [eax], edx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x10057545
movsx eax, bl
jmp 0x1005757c
lea eax, [ebp - 0x2c]
mov byte [ebp - 0x25], bl
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x25]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::out_struct__Mbstatet___char_const___char_const___char_const____char___char___char___const]
test eax, eax
js 0x100575e5
cmp eax, 1
jle 0x100575a6
cmp eax, 3
jne 0x100575e5
movsx eax, byte [ebp - 0x25]
push dword [esi + 0x4c]
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmovne ecx, ebx
pop edi
pop esi
mov eax, ecx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x100575c4
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x100575e5
lea eax, [ebp - 0x25]
mov byte [esi + 0x3d], 1
cmp dword [ebp - 0x30], eax
je 0x100575e5
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.100656e9
mov esp, ebp
pop ebp
ret 4
Function at 0x10060470
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x1009400c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x1006052c
cmp byte [esi + 0x3d], 0
je 0x1006052c
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x1006051a
mov ecx, dword [esi + 0x38]
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::unshift_struct__Mbstatet___char___char___char___const]
sub eax, 0
je 0x100604e1
sub eax, 1
je 0x100604e5
sub eax, 2
jne 0x1006051a
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10060503
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x1006051a
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.100656e9
mov esp, ebp
pop ebp
ret
Function at 0x10065480
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1007288d
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x1009400c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x14], esi
mov dword [ebp - 0x14], esi
mov dword [ebp - 4], 0
lea eax, [ebp + 8]
cmp dword [ebp + 0x1c], 0x10
lea ecx, [ebp - 0x84]
push dword [ebp + 0x18]
cmovae eax, dword [ebp + 8]
push eax
mov byte [ebp - 0x84], 0
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x38], 0x67452301
mov dword [ebp - 0x34], 0xefcdab89
mov dword [ebp - 0x30], 0x98badcfe
mov dword [ebp - 0x2c], 0x10325476
call fcn.10065320
cmp byte [ebp - 0x84], 0
jne 0x100655d1
xor edx, edx
lea ecx, [ebp - 0x3f]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x18], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x17], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x16], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x15], al
add edx, 4
cmp edx, 8
jb 0x10065515
mov edx, dword [ebp - 0x40]
mov ecx, 0x78
shr edx, 3
mov eax, 0x38
and edx, 0x3f
sub ecx, edx
sub eax, edx
cmp edx, 0x38
cmovae eax, ecx
lea ecx, [ebp - 0x84]
push eax
push 0x10094a00
call fcn.10065320
push 8
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x84]
call fcn.10065320
xor edx, edx
lea ecx, [ebp - 0x37]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x28], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x27], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x26], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x25], al
add edx, 4
cmp edx, 0x10
jb 0x10065584
push 0x40
lea eax, [ebp - 0x83]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
xorps xmm0, xmm0
mov byte [ebp - 0x84], 1
add esp, 0xc
movq qword [ebp - 0x40], xmm0
push esi
lea ecx, [ebp - 0x84]
call fcn.100653d0
mov edx, dword [ebp + 0x1c]
cmp edx, 0x10
jb 0x10065613
mov ecx, dword [ebp + 8]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x10065609
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x10065609
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.10066010
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.100656e9
mov esp, ebp
pop ebp
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 0x430002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
mov eax, section..text
mov ebx, 0x408ecc
nop
nop
mov ecx, 0x392277eb
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x43004e
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x430024
nop
mov eax, section..data_1
mov ebx, 0x42e1d0
nop
nop
mov ecx, 0x74fb47aa
nop
nop
nop
nop
test eax, eax
nop
je 0x430084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
add eax, 4
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43006c
nop
nop
nop
nop
nop
popal
jmp 0x401219
Function at 0x427a20
Capabilities:
Access peb ldr_data
Allocate or change rwx memory
Encode data using xor
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x2974
call fcn.004348a0
mov eax, dword [0x4b2740]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push 0x2966
lea eax, [ebp - 0x296c]
push str.UUUU
push eax
call fcn.004356f0
mov bl, byte [ebp - 0x296c]
add esp, 0xc
xor bl, 0x90
mov dword [ebp - 0x2970], 0
mov eax, dword fs:[0x30]
nop
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0x14]
mov eax, dword [eax]
mov eax, dword [eax]
mov eax, dword [eax + 0x10]
mov dword [ebp - 0x2970], eax
call fcn.00423a10
push str.VirtualAlloc
push dword [ebp - 0x2970]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
nop
nop
nop
push 4
push 0x1000
push 0x25a5
nop
push 0
call eax
mov edi, eax
lea eax, [ebp - 0x2974]
push eax
push 0x40
push 0x2965
push edi
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea esi, [ebp - 0x296c]
mov ecx, edi
sub esi, edi
mov edx, 0x2965
nop
nop
mov al, byte [esi + ecx]
lea ecx, [ecx + 1]
xor al, bl
mov byte [ecx - 1], al
nop
nop
sub edx, 1
jne 0x427ad0
push str.user32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push str.EnumChildWindows
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0
push edi
push 0
call eax
mov ecx, dword [ebp - 4]
mov eax, 1
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004343a0
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4280e0
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xbc
mov eax, dword [0x4b2740]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push esi
cmp eax, 1
jne 0x428129
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
call esi
sub eax, dword [0x4b4a38]
js 0x428115
cmp eax, 0x32
jl 0x428211
push 0
call dword [sym.imp.USER32.dll_MessageBeep]
call esi
mov dword [0x4b4a38], eax
jmp 0x4281f9
cmp eax, 3
jne 0x4281b8
push 0x6c
push dword [0x4b6dfc]
call fcn.00403090
mov ecx, dword [0x4b4a2c]
add esp, 8
mov esi, eax
test ecx, ecx
je 0x428161
push 0x20001
push 0
push dword [esi]
call ecx
test eax, eax
jne 0x4281f9
push dword [esi]
lea eax, [ebp - 0x58]
push str.Unable_to_play_sound_file_n_s_nUsing_default_sound_instead
push eax
call fcn.00408a10
push dword [0x495524]
lea eax, [ebp - 0xbc]
push str._.70s_Sound_Error
push eax
call fcn.00408a10
add esp, 0x18
lea eax, [ebp - 0xbc]
push 0x30
push eax
lea eax, [ebp - 0x58]
push eax
push dword [0x4b6e38]
call dword [sym.imp.USER32.dll_MessageBoxA]
push 1
push 0x66
push dword [0x4b6dfc]
call fcn.00403590
add esp, 0xc
jmp 0x4281f9
cmp eax, 4
jne 0x4281f9
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
call esi
sub eax, dword [0x4b4a3c]
js 0x4281d2
cmp eax, 0x32
jl 0x428211
cmp dword [0x4b6d70], 2
jne 0x4281ea
push 0x64
push 0x320
call dword [sym.imp.KERNEL32.dll_Beep]
jmp 0x4281f2
push 0xffffffffffffffff
call dword [sym.imp.USER32.dll_MessageBeep]
call esi
mov dword [0x4b4a3c], eax
mov eax, dword [0x4b6e2c]
cmp dword [eax + 0x134], 0
jne 0x428211
push 2
call fcn.00429260
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004343a0
mov esp, ebp
pop ebp
ret
Function at 0x433002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40de38
mov ecx, 0x7fc4037f
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x43304e
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
inc eax
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x433024
mov eax, section..data
nop
nop
mov ebx, 0x4304d8
nop
mov ecx, 0x78642d18
nop
test eax, eax
nop
nop
nop
nop
nop
nop
nop
je 0x433084
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x43306c
nop
nop
nop
nop
nop
nop
nop
popal
nop
nop
jmp 0x431219

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 0x401100
Capabilities:
Delete registry value
Persist via run registry key
Print debug messages
Read .ini file

Disassembly:
push 0xffffffffffffffff
push 0x420db6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x330
mov eax, dword [0x42b2ac]
push ebp
push esi
push edi
mov dword [esp + 0x14], eax
push str.scantopc.dll
mov dword [esp + 0x348], 0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.GetRegisterAlet
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov ebp, dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
xor ecx, ecx
lea edx, [esp + 0x38]
mov dword [esp + 0x18], ecx
push 0x104
push edx
push ecx
mov dword [0x42f0e8], eax
mov byte [esp + 0x28], cl
call ebp
lea eax, [esp + 0x38]
push 0x5c
push eax
call fcn.004090e0
add esp, 8
inc eax
mov edi, str.NetS2PC.ini
or ecx, 0xffffffff
mov byte [eax], 0
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x38]
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea eax, [esp + 0x38]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov esi, dword [sym.imp.KERNEL32.dll_GetPrivateProfileStringA]
lea ecx, [esp + 0x1c]
push 0x20
push ecx
push str.ScanToPC
push str.Name
push str.ScanToPC
call esi
lea edx, [esp + 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
mov eax, dword [0x42b2ac]
mov dword [esp + 0xc], eax
lea ecx, [esp + 0x38]
lea edx, [esp + 0x13c]
push ecx
push 0x100
push edx
push str.T4S2PC
push str.Name
push str.ScanToPC
mov byte [esp + 0x35c], 1
call esi
lea eax, [esp + 0x23c]
push 0x100
push eax
push 0
call ebp
push str.SoftwareMicrosoftWindowsCurrentVersionRun
lea ecx, [esp + 0x10]
call fcn.00416ea6
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0x10]
push ecx
push 0xf003f
push 0
push edx
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ecx, dword [esp + 0x10]
lea eax, [esp + 0x13c]
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
call dword [0x42f0e8]
pop edi
pop esi
test eax, eax
pop ebp
je 0x401284
push 0
push 0
push 0x46a
push eax
call dword [sym.imp.USER32.dll_SendMessageA]
lea ecx, [esp]
mov byte [esp + 0x338], 0
call fcn.00416d61
lea ecx, [esp + 8]
mov dword [esp + 0x338], 0xffffffff
call fcn.00416d61
mov ecx, dword [esp + 0x330]
mov dword fs:[0], ecx
add esp, 0x33c
ret