joyce8/EMBER2024-capa huggingface dataset:
Function at 0x406183
Capabilities:
Get file size

Disassembly:
push ebx
mov ebx, dword [sym.imp.KERNEL32.DLL_GetShortPathNameW]
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
test esi, esi
mov dword [0x430908], 0x55004e
mov dword [0x43090c], 0x4c
mov edi, 0x400
mov ebp, 0x430908
je 0x4061d9
push 1
push 0
push esi
call fcn.0040602d
push eax
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
push edi
push ebp
push esi
call ebx
test eax, eax
je 0x4062f8
cmp eax, edi
jg 0x4062f8
mov esi, 0x431108
push edi
push esi
push dword [esp + 0x1c]
call ebx
test eax, eax
je 0x4062f8
cmp eax, edi
jg 0x4062f8
push esi
push ebp
push str._ls_ls_r_n
push 0x430508
call dword [sym.imp.USER32.dll_wsprintfA]
mov ebx, eax
mov eax, dword [0x434f10]
add esp, 0x10
push dword [eax + 0x128]
push esi
call fcn.0040657a
push 4
push 0xc0000000
push esi
call fcn.0040602d
mov ebp, eax
cmp ebp, 0xffffffff
mov dword [esp + 0x18], ebp
je 0x4062f8
push 0
push ebp
call dword [sym.imp.KERNEL32.DLL_GetFileSize]
mov edi, eax
lea eax, [edi + ebx + 0xa]
push eax
push 0x40
call dword [sym.imp.KERNEL32.DLL_GlobalAlloc]
mov esi, eax
test esi, esi
je 0x4062f1
push edi
push esi
push ebp
call fcn.004060b0
test eax, eax
je 0x4062f1
push str._Rename__r_n
push esi
call fcn.00405f92
test eax, eax
jne 0x40628f
lea eax, [esi + edi]
push str._Rename__r_n
push eax
call dword [sym.imp.KERNEL32.DLL_lstrcpyA]
add edi, 0xa
jmp 0x4062c4
add eax, 0xa
push 0x40a580
push eax
call fcn.00405f92
mov ebp, eax
test ebp, ebp
je 0x4062c0
lea ecx, [esi + edi]
lea eax, [ecx + ebx]
jmp 0x4062b1
mov dl, byte [ecx]
mov byte [eax], dl
dec eax
dec ecx
cmp ecx, ebp
ja 0x4062ab
sub ebp, esi
inc ebp
mov eax, ebp
mov ebp, dword [esp + 0x18]
jmp 0x4062c6
mov ebp, dword [esp + 0x18]
mov eax, edi
push ebx
add eax, esi
push 0x430508
push eax
call fcn.00405fe8
xor eax, eax
push eax
push eax
push eax
push ebp
call dword [sym.imp.KERNEL32.DLL_SetFilePointer]
add edi, ebx
push edi
push esi
push ebp
call fcn.004060df
push esi
call dword [sym.imp.KERNEL32.DLL_GlobalFree]
push ebp
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4062fd
Capabilities:
Move file

Disassembly:
push 5
push dword [esp + 0xc]
push dword [esp + 0xc]
call dword [sym.imp.KERNEL32.DLL_MoveFileExW]
test eax, eax
jne 0x406320
push dword [esp + 8]
push dword [esp + 8]
call fcn.00406183
pop ecx
pop ecx
inc dword [0x434f90]
ret 8
Function at 0x40689a
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.DLL_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x4068be
xor eax, eax
test eax, eax
je 0x4068d1
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x4068d1
xor ecx, ecx
jmp 0x4068d4
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.DLL_LoadLibraryExW]
leave
ret 4

Function at 0x4069f7
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x43190c], 0
push esi
jne 0x406a2e
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x406a08
mov dword [ecx*4 + 0x431908], eax
inc ecx
cmp ecx, 0x100
jl 0x406a03
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x406a5f
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x431908]
xor eax, esi
inc ecx
dec edx
jne 0x406a41
pop edi
not eax
pop esi
ret 0xc
Function at 0x41c9d0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
push ebx
push edi
push esi
mov eax, dword [esp + 0x18]
cmp eax, 3
ja case.default.0x41c9e1
jmp dword [eax*4 + 0x428d68]
cmp dword [0x42c0ac], 0
je 0x41cae3
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov edi, dword [0x42c0c8]
test edi, edi
je 0x41cad8
mov ebx, dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov ebp, dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x41ca2b
mov edi, dword [edi + 8]
test edi, edi
je 0x41cad8
push dword [edi]
call ebx
mov esi, eax
call ebp
test eax, eax
jne 0x41ca20
test esi, esi
je 0x41ca20
mov ecx, dword [edi + 4]
call dword [section..00cfg]
push esi
call ecx
add esp, 4
jmp 0x41ca20
cmp dword [0x42c0ac], 0
jne 0x41ca60
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [0x42c0ac], 1
jmp case.default.0x41c9e1
call fcn.0041c310
jmp case.default.0x41c9e1
cmp dword [0x42c0ac], 0
je case.default.0x41c9e1
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov edi, dword [0x42c0c8]
test edi, edi
je 0x41cb33
mov ebx, dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov ebp, dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x41cab7
mov edi, dword [edi + 8]
test edi, edi
je 0x41cb33
push dword [edi]
call ebx
mov esi, eax
call ebp
test eax, eax
jne 0x41cab0
test esi, esi
je 0x41cab0
mov ecx, dword [edi + 4]
call dword [section..00cfg]
push esi
call ecx
add esp, 4
jmp 0x41cab0
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, dword [0x42c0ac]
cmp eax, 1
jne case.default.0x41c9e1
mov eax, dword [0x42c0c8]
test eax, eax
je 0x41cb12
nop word cs:[eax + eax]
mov esi, dword [eax + 8]
push eax
call sub.msvcrt.dll_free
add esp, 4
mov eax, esi
test esi, esi
jne 0x41cb00
mov dword [0x42c0c8], 0
mov dword [0x42c0ac], 0
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_DeleteCriticalSection]
jmp case.default.0x41c9e1
push 0x42c0b0
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, 1
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x41cc70
Capabilities:
Enumerate pe sections
Parse pe header

Disassembly:
push edi
push esi
mov esi, dword [0x423004]
movzx ecx, word [esi]
xor eax, eax
cmp ecx, 0x5a4d
jne 0x41ccd6
mov ecx, dword [esi + 0x3c]
cmp dword [esi + ecx], 0x4550
jne 0x41ccd6
add esi, ecx
movzx ecx, word [esi + 0x18]
cmp ecx, 0x10b
jne 0x41ccd6
movzx ecx, word [esi + 6]
test ecx, ecx
je 0x41ccd6
mov edx, dword [esp + 0xc]
sub edx, dword [0x423004]
movzx edi, word [esi + 0x14]
add esi, edi
add esi, 0x18
jmp 0x41ccc6
add esi, 0x28
dec ecx
je 0x41ccd6
mov edi, dword [esi + 0xc]
cmp edi, edx
ja 0x41ccc0
add edi, dword [esi + 8]
cmp edi, edx
jbe 0x41ccc0
mov eax, esi
pop esi
pop edi
ret
Function at 0x430001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
push 4
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x430072
nop
mov ebx, 0x408f6c
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
nop
mov esi, 0x5b6c5512
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x430060
nop
mov eax, section..data
nop
nop
nop
cmp eax, 0
je 0x4300d2
nop
nop
nop
nop
nop
mov ebx, 0x42e3d0
nop
nop
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x6c101172
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
nop
nop
loop 0x4300c0
popal
nop
nop
nop
nop
nop
jmp 0x401219
Function at 0x4099a4
Capabilities:
Create process on windows
Create process suspended

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffa8
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 4], ebx
mov edi, ecx
mov esi, edx
mov ebx, eax
xor eax, eax
push ebp
push 0x409a77
push dword fs:[eax]
mov dword fs:[eax], esp
push 0x409a90
push ebx
push 0x409a9c
push esi
lea eax, [ebp - 4]
mov edx, 4
call fcn.004033b4
lea eax, [ebp - 0x48]
xor ecx, ecx
mov edx, 0x44
call fcn.0040277c
mov dword [ebp - 0x48], 0x44
lea eax, [ebp - 0x58]
push eax
lea eax, [ebp - 0x48]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
mov eax, dword [ebp - 4]
call fcn.00403414
push eax
push 0
call sub.kernel32.dll_CreateProcessA
test eax, eax
jne 0x409a24
mov al, 0x62
call fcn.00409648
mov eax, dword [ebp - 0x54]
push eax
call sub.kernel32.dll_CloseHandle_1
call fcn.00409978
push 0xff
push 0xffffffffffffffff
push 0
lea eax, [ebp - 0x58]
push eax
push 1
call sub.user32.dll_MsgWaitForMultipleObjects
dec eax
je 0x409a2d
call fcn.00409978
push edi
mov eax, dword [ebp - 0x58]
push eax
call sub.kernel32.dll_GetExitCodeProcess
mov eax, dword [ebp - 0x58]
push eax
call sub.kernel32.dll_CloseHandle_1
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x409a7e
lea eax, [ebp - 4]
call fcn.00403198
ret

Function at 0x409b30
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 0x409be4
jmp 0x409bd9
cmp dword [esi + 0x10], 0x1000
jne 0x409bc5
test byte [esi + 0x15], 1
jne 0x409bc5
xor ebx, ebx
mov eax, dword [esi + 0x14]
cmp eax, 1
je 0x409b84
cmp eax, 2
je 0x409b84
cmp eax, 0x10
je 0x409b84
cmp eax, 0x20
jne 0x409b99
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 0x409b99
mov bl, 1
xor ebp, ebp
jmp 0x409baa
mov eax, dword [esi]
add eax, ebp
call fcn.00409b28
add ebp, dword [esp + 8]
cmp ebp, dword [esi + 0xc]
jb 0x409b9d
test bl, bl
je 0x409bc5
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 0x409be4
mov eax, dword [esi + 4]
cmp eax, edi
je 0x409b5c
add esp, 0x44
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x431005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
call 0x43100c
nop
nop
nop
nop
nop
pop eax
nop
add eax, 0x403e6a
nop
sub eax, 0x403e10
nop
nop
nop
mov ebx, dword [eax]
nop
mov ecx, dword [eax + 4]
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
jl 0x431030
nop
nop
nop
nop
add eax, 0xc
nop
nop
nop
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
nop
jne 0x43101e
nop
nop
nop
nop
popal
nop
jmp fcn.00401219
Function at 0x42e000
Capabilities:
Encode data using xor

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
nop
nop
push 4
nop
nop
nop
nop
nop
nop
pop edi
cmp eax, 0
nop
nop
nop
je 0x42e072
nop
nop
nop
nop
nop
mov ebx, 0x407ef8
nop
nop
nop
nop
mov ecx, ebx
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x4f611d60
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x42e060
nop
nop
nop
mov eax, section..tls
cmp eax, 0
nop
nop
nop
nop
nop
je 0x42e0d2
nop
nop
mov ebx, 0x42cd70
nop
nop
nop
nop
nop
mov ecx, ebx
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
push eax
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
nop
mov esi, 0x518934ee
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
loop 0x42e0c0
nop
nop
nop
popal
nop
nop
nop
nop
nop
jmp 0x401219

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
push 4
nop
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
cmp eax, 0
je 0x430072
nop
nop
nop
nop
mov ebx, 0x408e84
nop
nop
nop
mov ecx, ebx
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
mov esi, 0x2ebe7230
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x430060
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x4300d2
nop
nop
mov ebx, 0x42e1d0
nop
nop
nop
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x3d083006
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
loop 0x4300c0
nop
nop
nop
nop
popal
nop
nop
nop
nop
nop
jmp 0x401219

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