joyce8/EMBER2024-capa huggingface dataset:
Function at 0x46bae0
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffbf0
push ebx
xor edx, edx
mov dword [ebp - 4], edx
mov dword [ebp - 8], edx
mov ebx, eax
xor eax, eax
push ebp
push 0x46bc03
push dword fs:[eax]
mov dword fs:[eax], esp
lea eax, [ebp - 4]
call fcn.0040415c
lea eax, [ebp - 8]
call fcn.0040415c
mov dword [ebp - 0x10], 0x400
lea eax, [ebp - 0xc]
push eax
push 0xf003f
push 0
mov eax, dword [0x46f6bc]
call fcn.0040461c
push eax
push 0x80000001
call sub.advapi32.dll_RegOpenKeyExA_1
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x410]
push eax
push 0
push 0
mov eax, dword [0x46f6c0]
call fcn.0040461c
push eax
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegQueryValueExA_1
test eax, eax
jne 0x46bb73
lea eax, [ebp - 4]
lea edx, [ebp - 0x410]
mov ecx, 0x400
call fcn.004043cc
mov eax, dword [ebp - 4]
call fcn.0040441c
test eax, eax
je 0x46bbd5
mov dword [ebp - 0x10], 0x400
lea eax, [ebp - 4]
mov edx, dword [ebp - 4]
mov dl, byte [edx]
call fcn.00404344
mov dword [0x470e24], 0x39032de
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x410]
push eax
push 0
push 0
mov eax, dword [ebp - 4]
call fcn.0040461c
push eax
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegQueryValueExA_1
test eax, eax
jne 0x46bbd5
lea eax, [ebp - 8]
lea edx, [ebp - 0x410]
mov ecx, 0x400
call fcn.004043cc
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegCloseKey_1
mov eax, ebx
mov edx, dword [ebp - 8]
call fcn.004041b0
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x46bc0a
lea eax, [ebp - 8]
mov edx, 2
call fcn.00404180
ret

Function at 0x46bd44
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push ebx
xor eax, eax
push ebp
push 0x46be14
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [0x470e24], 0x6598d58
xor ebx, ebx
lea eax, [ebx]
push eax
call sub.user32.dll_GetAsyncKeyState
and ax, 1
cmp ax, 1
jne 0x46bdec
mov eax, ebx
add eax, 0xffffffd0
sub eax, 0xa
jb 0x46bd92
add eax, 0xfffffff9
sub eax, 0x1a
jb 0x46bd92
add eax, 0xfffffffa
sub eax, 0x1a
jae 0x46bdc0
push dword [0x470c1c]
push 0x46be28
lea eax, [ebp - 4]
mov edx, ebx
call fcn.00404344
push dword [ebp - 4]
push 0x46be34
mov eax, 0x470c1c
mov edx, 4
call fcn.004044dc
jmp 0x46bdec
push dword [0x470c1c]
push 0x46be40
lea edx, [ebp - 8]
mov eax, ebx
call fcn.004082f4
push dword [ebp - 8]
push 0x46be4c
mov eax, 0x470c1c
mov edx, 4
call fcn.004044dc
inc ebx
cmp ebx, 0x100
jne 0x46bd66
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x46be1b
lea eax, [ebp - 8]
mov edx, 2
call fcn.00404180
ret
Function at 0x407010
Capabilities:
Enumerate pe sections

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
xor edx, edx
push ebx
push esi
push edi
mov ecx, dword [eax + 0x3c]
add ecx, eax
movzx eax, word [ecx + 0x14]
movzx ebx, word [ecx + 6]
add eax, 0x18
add eax, ecx
test ebx, ebx
je 0x40704e
mov edi, dword [ebp + 0xc]
mov esi, dword [eax + 0xc]
cmp edi, esi
jb 0x407046
mov ecx, dword [eax + 8]
add ecx, esi
cmp edi, ecx
jb 0x407050
inc edx
add eax, 0x28
cmp edx, ebx
jb 0x407036
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x407120
Capabilities:
Parse pe header

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, 0x5a4d
cmp word [ecx], ax
jne 0x407151
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x407151
mov ecx, 0x10b
cmp word [eax + 0x18], cx
jne 0x407151
mov eax, 1
pop ebp
ret
xor eax, eax
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 0x433000
Capabilities:
Authenticate hmac
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43300c
nop
pop eax
nop
nop
nop
nop
add eax, 0x40a063
nop
sub eax, 0x40a009
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
nop
nop
jl 0x433030
nop
nop
nop
add eax, 0xc
nop
nop
nop
cmp dword [eax], 0
nop
nop
jne 0x43301e
nop
nop
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x4019b0
Capabilities:
Encode data using xor
Encrypt data using rc4 prga
Get windows directory from kuser_shared_data

Disassembly:
mov eax, dword [0x961008]
sub esp, 0x110
push ebp
mov ebp, ecx
push esi
push edi
test eax, eax
je 0x401b5d
cmp dword [0x96100c], 0
jne 0x401b49
xor eax, eax
push 0x100
push eax
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
mov word [esp + 0x1c], ax
mov byte [esp + 0x1e], al
lea eax, [esp + 0x20]
push eax
call fcn.004042c0
add esp, 0xc
xor edi, edi
xor eax, eax
nop
mov byte [esp + eax + 0x18], al
inc eax
cmp eax, 0x100
jb 0x401a00
xor esi, esi
mov edi, edi
mov dl, byte [esp + esi + 0x18]
mov eax, esi
and eax, 3
movzx ecx, dl
movzx eax, byte [eax + 0x41a0d4]
add eax, edi
add ecx, eax
movzx edi, cl
mov al, byte [esp + edi + 0x18]
mov byte [esp + esi + 0x18], al
inc esi
mov byte [esp + edi + 0x18], dl
cmp esi, 0x100
jb 0x401a10
xor esi, esi
xor edi, edi
xor edx, edx
lea eax, [esi + 1]
movzx esi, al
mov cl, byte [esp + esi + 0x18]
movzx eax, cl
add eax, edi
movzx edi, al
movzx eax, byte [esp + edi + 0x18]
mov byte [esp + esi + 0x18], al
mov byte [esp + edi + 0x18], cl
movzx eax, byte [esp + esi + 0x18]
movzx ecx, cl
add ecx, eax
movzx eax, cl
movzx eax, byte [esp + eax + 0x18]
xor al, byte [edx + 0x41a0d8]
mov byte [esp + edx + 0xc], al
inc edx
cmp edx, 0xb
jb 0x401a45
push 0x104
lea eax, [esp + 0x1c]
push 0
push eax
call fcn.004042c0
mov edx, 0x7ffe0030
add esp, 0xc
xor ecx, ecx
lea esi, [edx + 2]
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x401aa4
sub edx, esi
sar edx, 1
je 0x401b5d
mov esi, ebp
lea edi, [esi + 1]
mov edi, edi
mov al, byte [esi]
inc esi
test al, al
jne 0x401ac0
sub esi, edi
add edx, 0xc
add edx, esi
cmp edx, 0x104
ja 0x401b5d
xor eax, eax
push ebx
test edx, edx
je 0x401af8
movzx ebx, word [eax + eax + 0x7ffe0030]
test bx, bx
je 0x401af8
mov byte [esp + eax + 0x1c], bl
inc ecx
inc eax
cmp eax, edx
jb 0x401ae1
xor eax, eax
test edx, edx
je 0x401b12
mov edi, edi
mov bl, byte [esp + eax + 0x10]
test bl, bl
je 0x401b12
mov byte [esp + ecx + 0x1c], bl
inc eax
inc ecx
cmp eax, edx
jb 0x401b00
xor eax, eax
test edx, edx
je 0x401b2f
lea ecx, [esp + ecx + 0x1c]
lea esp, [esp]
mov bl, byte [eax + ebp]
test bl, bl
je 0x401b2f
mov byte [ecx], bl
inc eax
inc ecx
cmp eax, edx
jb 0x401b20
push 8
push 0
lea eax, [esp + 0x24]
push eax
call dword [0x961008]
pop ebx
pop edi
pop esi
pop ebp
add esp, 0x110
ret
push 0x800
push 0
push ebp
call eax
pop edi
pop esi
pop ebp
add esp, 0x110
ret
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x110
ret
Function at 0x402c50
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [0x96114c]
sub esp, 0x11c
test eax, eax
jne 0x402d4c
push ebx
push esi
push edi
push 0x100
push eax
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
mov word [esp + 0x2c], ax
lea eax, [esp + 0x30]
push eax
call fcn.004042c0
add esp, 0xc
xor edi, edi
xor eax, eax
lea ebx, [ebx]
mov byte [esp + eax + 0x28], al
inc eax
cmp eax, 0x100
jb 0x402ca0
xor esi, esi
mov edi, edi
mov dl, byte [esp + esi + 0x28]
mov eax, esi
and eax, 3
movzx ecx, dl
movzx eax, byte [eax + 0x41a100]
add eax, edi
add ecx, eax
movzx edi, cl
mov al, byte [esp + edi + 0x28]
mov byte [esp + esi + 0x28], al
inc esi
mov byte [esp + edi + 0x28], dl
cmp esi, 0x100
jb 0x402cb0
xor edi, edi
xor ebx, ebx
xor esi, esi
lea eax, [edi + 1]
movzx edi, al
mov cl, byte [esp + edi + 0x28]
movzx edx, cl
lea eax, [edx + ebx]
movzx ebx, al
movzx eax, byte [esp + ebx + 0x28]
mov byte [esp + edi + 0x28], al
mov byte [esp + ebx + 0x28], cl
movzx eax, byte [esp + edi + 0x28]
add eax, edx
movzx eax, al
movzx eax, byte [esp + eax + 0x28]
xor al, byte [esi + 0x41a104]
mov byte [esp + esi + 0xc], al
inc esi
cmp esi, 0x1a
jb 0x402ce5
lea edx, [esp + 0xc]
call fcn.004012e0
pop edi
pop esi
pop ebx
test eax, eax
je 0x402d47
mov eax, dword [eax + 0x18]
test eax, eax
je 0x402d47
mov dword [0x96114c], eax
add esp, 0x11c
ret
mov eax, dword [0x96114c]
add esp, 0x11c
ret
Function at 0x403c70
Capabilities:
Check os version

Disassembly:
mov ecx, 1
mov edx, 0x961148
xor eax, eax
lock cmpxchg dword [edx], ecx
test eax, eax
jne 0x403d99
cmp dword fs:[0xc0], eax
je 0x403c9b
mov dword [0x961144], 1
mov eax, dword fs:[0x18]
push ebx
push esi
mov ebx, 1
mov esi, dword [eax + 0x30]
mov eax, dword [esi + 0xa4]
mov dword [0x96102c], eax
mov eax, dword [esi + 0xa8]
mov dword [0x961030], eax
movzx edx, word [esi + 0xac]
mov dword [0x961034], edx
mov eax, dword [esi + 0xb0]
mov dword [0x961038], eax
mov eax, dword [esi + 0x1f4]
test eax, eax
je 0x403cfb
push 0x7f
push eax
push 0x96103c
call fcn.004042f0
mov edx, dword [0x961034]
add esp, 0xc
jmp 0x403d03
xor eax, eax
mov word [0x96103c], ax
movzx eax, byte [esi + 0xaf]
mov ecx, 0xff
mov word [0x96113c], ax
movzx eax, word [esi + 0xae]
and ax, cx
mov word [0x96113e], ax
movzx eax, word [0x7ffe02d0]
mov word [0x961140], ax
mov ecx, eax
mov byte [0x961142], 0
cmp byte [0x7ffe0268], 0
je 0x403d4a
mov ebx, dword [0x7ffe0264]
pop esi
mov byte [0x961142], bl
cmp ebx, 1
pop ebx
jne 0x403d64
and ecx, 0xffef
mov word [0x961140], cx
test edx, edx
jne 0x403d99
call fcn.00403c70
cmp dword [0x96102c], 6
ja 0x403d99
jb 0x403d81
cmp dword [0x961030], 4
jae 0x403d99
call fcn.00403c70
cmp dword [0x96102c], 0xa
jae 0x403d99
mov dword [0x961034], 1
ret
Function at 0x419902
Capabilities:
Execute syscall

Disassembly:
mov edx, esp
sysenter
ret

Function at 0x7d8058
Capabilities:
Decompress data using aplib

Disassembly:
call fcn.007d81a8
push ebx
mov ebx, esp
push ebx
mov esi, dword [ebx + 8]
mov edi, dword [ebx + 0x10]
cld
mov dl, 0x80
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
mov ebx, 2
add dl, dl
jne 0x7d807e
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x7d806a
add dl, dl
jne 0x7d8089
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x7d80dc
xor eax, eax
add dl, dl
jne 0x7d8096
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x7d817d
add dl, dl
jne 0x7d80a5
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x7d80b0
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x7d80bb
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x7d80c6
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x7d80d2
push edi
mov eax, eax
sub edi, eax
mov al, byte [edi]
pop edi
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x7d8075
mov eax, 1
add dl, dl
jne 0x7d80ea
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x7d80f5
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x7d80e1
sub eax, ebx
mov ebx, 1
jne 0x7d8128
mov ecx, 1
add dl, dl
jne 0x7d810e
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x7d8119
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x7d8105
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x7d8075
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x7d813f
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x7d814a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x7d8136
cmp eax, 0x7d00
jae 0x7d816d
cmp eax, 0x500
jb 0x7d8168
inc ecx
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x7d8075
cmp eax, 0x7f
ja 0x7d8170
add ecx, 2
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x7d8075
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x7d819e
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x7d8075
pop ebx
sub edi, dword [ebx + 0x10]
mov eax, edi
pop ebx
ret 0x10
Function at 0x404aa3
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
push esi
push edi
mov ebx, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
mov word [ebp + 0xc], ax
mov dword [ebp - 4], 0x7f83677c
sub dword [ebp - 4], 0x1715
xor esi, esi
mov eax, dword [ebp - 4]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x18], eax
mul dword [ebp - 0x14]
mov dword [ebp - 0x1c], eax
mov dword [ebp - 4], eax
mov word [ebp - 0x10], 0
jmp 0x404bc4
mov eax, ebx
add eax, esi
push eax
call fcn.0040423c
pop ecx
mov edx, eax
mov byte [ebp - 5], dl
mov eax, dword [ebp - 4]
mov edx, eax
add edx, eax
mov dword [ebp - 4], edx
cmp byte [ebp - 5], 0
jne 0x404b09
mov byte [ebp - 6], 0
jmp 0x404b33
call 0x409b00
mov dword [ebp - 0x20], eax
mov eax, 0x7fff
mov edi, 7
movzx edx, byte [ebp - 5]
mov ecx, edi
sub ecx, edx
cdq
idiv ecx
mov ecx, eax
mov eax, dword [ebp - 0x20]
cdq
idiv ecx
mov edx, eax
mov byte [ebp - 6], dl
mov al, byte [esi + ebx]
cmp al, 0x70
jb 0x404b4e
cmp al, 0x7f
ja 0x404b4e
mov eax, ebx
add eax, esi
inc eax
movzx edx, byte [eax]
movzx ecx, byte [ebp - 6]
sub edx, ecx
mov byte [eax], dl
movzx eax, byte [esi + ebx]
cmp eax, 0xe2
jne 0x404b69
mov eax, ebx
add eax, esi
inc eax
movzx edx, byte [eax]
movzx ecx, byte [ebp - 6]
sub edx, ecx
mov byte [eax], dl
mov eax, 0x3e96
mul dword [ebp - 4]
mov dword [ebp - 0x24], eax
mov dword [ebp - 4], eax
push 8
push 0x90
lea eax, [ebp - 0xe]
push eax
call 0x409adc
movzx eax, byte [ebp - 5]
push eax
mov eax, ebx
add eax, esi
push eax
lea eax, [ebp - 0xe]
movzx edx, byte [ebp - 6]
add eax, edx
push eax
call 0x409ad0
push 6
lea eax, [ebp - 0xe]
push eax
mov eax, ebx
add eax, esi
push eax
call 0x409ad0
add esp, 0x24
mov eax, dword [ebp - 4]
mov edx, eax
xor edx, eax
mov dword [ebp - 4], edx
add esi, 6
inc word [ebp - 0x10]
movzx eax, word [ebp + 0xc]
dec eax
cmp esi, eax
jb 0x404ae3
pop edi
pop esi
pop ebx
leave
ret

Function at 0x416900
Capabilities:
Decompress data using aplib

Disassembly:
pushal
mov esi, dword [esp + 0x24]
mov edi, dword [esp + 0x28]
cld
mov dl, 0x80
xor ebx, ebx
movsb byte es:[edi], byte [esi]
mov bl, 2
call fcn.0041698f
jae 0x41690e
xor ecx, ecx
call fcn.0041698f
jae 0x41693d
xor eax, eax
call fcn.0041698f
jae 0x41694d
mov bl, 2
inc ecx
mov al, 0x10
call fcn.0041698f
adc al, al
jae 0x41692f
jne 0x416979
stosb byte es:[edi], al
jmp 0x416911
call fcn.0041699b
sub ecx, ebx
jne 0x416956
call fcn.00416999
jmp 0x416975
lodsb al, byte [esi]
shr eax, 1
je 0x416983
adc ecx, ecx
jmp 0x416972
xchg ecx, eax
dec eax
shl eax, 8
lodsb al, byte [esi]
call fcn.00416999
cmp eax, 0x7d00
jae 0x416972
cmp ah, 5
jae 0x416973
cmp eax, 0x7f
ja 0x416974
inc ecx
inc ecx
xchg ebp, eax
mov eax, ebp
mov bl, 1
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x416911
sub edi, dword [esp + 0x28]
mov dword [esp + 0x1c], edi
popal
ret 8
Function at 0x406330
Capabilities:
Access peb ldr_data
Get process heap flags

Disassembly:
push 0xffffffffffffffff
push 0x42a2bb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
push esi
mov esi, dword [esp + 0x18]
push edi
lea ecx, [esi + 4]
mov dword [esi], 0x404264
call fcn.0040751b
push 4
mov dword [esp + 0x18], 0
call fcn.004086f8
mov edi, eax
add esp, 4
test edi, edi
je 0x4063a4
push ebx
call fcn.00407316
mov dword [edi], eax
call fcn.004070d5
push 0
lea ecx, [esp + 0x10]
mov ebx, eax
call fcn.004074dc
mov eax, dword [ebx + 4]
cmp eax, 0xffffffff
jae 0x406398
inc eax
mov dword [ebx + 4], eax
lea ecx, [esp + 0xc]
call fcn.00407504
pop ebx
jmp 0x4063a6
xor edi, edi
mov dword [esi + 0x38], edi
lea eax, [esi + 8]
mov dword [esi + 0x10], eax
lea ecx, [esi + 0x18]
mov dword [esi + 0x20], ecx
lea edx, [esi + 0x1c]
mov dword [esi + 0x24], edx
lea eax, [esi + 0xc]
mov dword [esi + 0x14], eax
lea ecx, [esi + 0x28]
mov dword [esi + 0x30], ecx
lea edx, [esi + 0x2c]
mov dword [esi + 0x34], edx
mov dword [eax], 0
mov eax, dword [esi + 0x24]
mov dword [eax], 0
mov ecx, dword [esi + 0x34]
mov dword [ecx], 0
mov edx, dword [esi + 0x10]
mov dword [edx], 0
mov eax, dword [esi + 0x20]
mov dword [eax], 0
mov ecx, dword [esi + 0x30]
mov dword [ecx], 0
mov ecx, dword [esp + 0xc]
pop edi
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 4

Function at 0x4092cb
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x42d354]
jne 0x4092d5
repz ret
jmp fcn.0040dbbc
Function at 0x41e4a0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4afa1b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.004a42ac
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41e522
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004a1bc8
mov eax, dword [eax]
push 0x4d4cb8
push eax
call fcn.00493f34
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004a4537
test bl, bl
je 0x41e522
push 0x4d4cb8
lea ecx, [esp + 0xc]
call fcn.004a48c7
push 0x4d4cc4
lea ecx, [esp + 0xc]
call fcn.004a48c7
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x41e55e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004a4537
jmp 0x41e629
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x41e5e2
lea edx, [esp + 0x7c]
push 0x4d4cc0
push edx
call fcn.00493f34
add esp, 8
test eax, eax
je 0x41e5e2
lea eax, [esp + 0x7c]
push 0x4d4cbc
push eax
call fcn.00493f34
add esp, 8
test eax, eax
je 0x41e5e2
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x41e572
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.004a4537
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x41ee30
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x41ee92
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x41eea0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4afa9b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4e4104]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x41efd8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41ef06
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a4537
xor eax, eax
jmp 0x41f04f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004a4674
push esi
lea ecx, [esp + 0xc]
call fcn.004a4903
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x41f02d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocString
call fcn.0041ee30
test eax, eax
jne 0x41f02d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push SysReAllocString
mov ecx, edi
call fcn.0041ee30
test eax, eax
jne 0x41f02d
lea eax, [esp + 0x14]
push 0x4d4cd4
push eax
call fcn.00494ec0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41f00c
lea ecx, [esp + 0x14]
push 0x4d4cd0
push ecx
call fcn.00494e40
mov esi, eax
add esp, 8
test esi, esi
jne 0x41f00c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41f00f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004a4624
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41ef1e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a4537
xor eax, eax
jmp 0x41f04f
mov byte [esi], 0
push 0x4d4ccc
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.004a4537
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x432780
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x4327ee
cmp si, 0x69
ja 0x4327ee
add esi, 0xffd0
cmp si, 0x11
je 0x4327be
push 0x11
call edi
test ax, ax
jge 0x4327be
or esi, 0x2000
cmp si, 0x10
je 0x4327d3
push 0x10
call edi
test ax, ax
jge 0x4327d3
or esi, 0x4000
cmp si, 0x12
je 0x4327e8
push 0x12
call edi
test ax, ax
jge 0x4327e8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4327fb
mov esi, 0xbd
jmp 0x4327af
cmp si, 0x6e
jne 0x432808
mov esi, 0xbe
jmp 0x4327af
cmp si, 0x6f
jne 0x4327a9
mov esi, 0xbf
jmp 0x4327af

Function at 0x434180
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4f48d0]
xor edx, edx
cmp eax, edx
jne 0x4341a6
xor eax, eax
mov byte [eax + 0x4f47d0], al
inc eax
cmp eax, 0x100
jl 0x43418e
mov dword [0x4f48d0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4f47d0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x434237
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x43420a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x4341d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4342b0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x434303
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x4342ea
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret