joyce8/EMBER2024-capa huggingface dataset:
Function at 0x48dde0
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.0048df10
add esp, 8
test eax, eax
jne 0x48ddf9
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x48de05
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x48de20
Capabilities:
Terminate thread

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
mov eax, dword [edi + 0x38c]
mov esi, dword [edi]
push eax
call fcn.0048e100
add esp, 4
test esi, esi
je 0x48deaa
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x48de9e
cmp dword [esi + 8], 0xffffffff
je 0x48de9e
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x48de8c
mov eax, dword [esi + 0x1c]
push 0
lea edx, [eax*8]
sub edx, eax
lea eax, [ecx + edx*4]
mov ecx, dword [ecx + edx*4 + 0x14]
mov edx, dword [eax + 0xc]
add ecx, edx
push ecx
jmp 0x48de90
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.004898e0
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x48de46
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.0048e110
add esp, 4
pop edi
pop esi
ret

Function at 0x48f650
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
mov edx, eax
dec eax
test edx, edx
je 0x48f68c
push ebx
push esi
lea esi, [eax + 1]
mov eax, dword [esp + 0x14]
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, ah
mov ax, word [edx*2 + 0xadfa34]
xor ax, bx
inc ecx
dec esi
jne 0x48f668
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x493390
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x493562
xor ecx, ecx
xor edx, edx
mov ch, byte [eax]
mov dl, byte [eax + 2]
mov cl, byte [eax + 1]
push ebx
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 3]
push ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 6]
mov dword [eax], ecx
xor ecx, ecx
push esi
mov ch, byte [eax + 4]
push edi
mov cl, byte [eax + 5]
xor ebp, ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
shl ecx, 8
or ecx, edx
mov edx, dword [esp + 0x18]
mov dword [eax + 4], ecx
xor ecx, ecx
mov ch, byte [eax + 8]
lea edi, [edx + 0xc]
mov cl, byte [eax + 9]
mov word [eax + 8], cx
mov ecx, dword [eax]
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov cx, word [eax + 8]
mov word [edx + 8], cx
xor ecx, ecx
movzx si, byte [eax + 0xb]
mov ch, byte [eax + 0xa]
or ecx, esi
mov word [eax + 0xa], cx
mov word [edx + 0xa], cx
movzx si, byte [eax + 0xb]
xor ecx, ecx
mov ch, byte [eax + 0xa]
or ecx, esi
mov esi, dword [eax + 0xc]
mov word [eax + 0xa], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x11]
mov bp, word [eax + 0xa]
xor ecx, ecx
mov ch, byte [eax + 0x10]
add ebp, 0xc
or ecx, esi
mov word [eax + 0x10], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x11]
xor ecx, ecx
lea edi, [edx + ebp + 2]
mov ch, byte [eax + 0x10]
or ecx, esi
mov esi, dword [eax + 0x14]
mov word [eax + 0x10], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov cx, word [eax + 0x10]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x18], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
mov esi, dword [eax + 0x1c]
mov word [eax + 0x18], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov cx, word [eax + 0x18]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x20], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
mov esi, dword [eax + 0x24]
mov word [eax + 0x20], cx
and ecx, 0xffff
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dl, byte [eax + 6]
xor ecx, ecx
mov ch, byte [eax + 4]
pop edi
mov cl, byte [eax + 5]
pop esi
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
pop ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dh, byte [eax]
mov dword [eax + 4], ecx
mov dl, byte [eax + 1]
xor ecx, ecx
mov ch, byte [eax + 8]
pop ebx
mov cl, byte [eax + 9]
mov word [eax + 8], cx
xor ecx, ecx
mov cl, byte [eax + 2]
shl edx, 8
or edx, ecx
xor ecx, ecx
mov cl, byte [eax + 3]
shl edx, 8
or edx, ecx
mov dword [eax], edx
ret
Function at 0x496180
Capabilities:
Hash data with md5

Disassembly:
sub esp, 0x94
mov eax, dword [esp + 0x9c]
push esi
push 0x40
lea ecx, [esp + 0x1c]
xor esi, esi
push eax
push ecx
mov dword [esp + 0x24], 0x67452301
mov dword [esp + 0x28], 0xefcdab89
mov dword [esp + 0x2c], 0x98badcfe
mov dword [esp + 0x30], 0x10325476
mov dword [esp + 0x34], esi
mov dword [esp + 0x38], esi
call fcn.00495f90
lea edx, [esp + 0x24]
lea eax, [esp + 0x10]
push edx
push eax
call fcn.004960c0
mov esi, dword [esp + 0xb0]
add esp, 0x14
xor edx, edx
mov cl, byte [esp + edx + 4]
mov al, cl
and cl, 0xf
sar al, 4
and al, 0xf
cmp al, 0xa
movsx eax, al
jge 0x4961fa
add eax, 0x30
jmp 0x4961fd
add eax, 0x57
mov byte [esi], al
cmp cl, 0xa
movsx eax, cl
jge 0x49620c
add eax, 0x30
jmp 0x49620f
add eax, 0x57
mov byte [esi + 1], al
inc edx
add esi, 2
cmp edx, 0x10
jl 0x4961e0
pop esi
add esp, 0x94
ret

Function at 0x496230
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x84
push ebx
mov ebx, dword [esp + 0x90]
push ebp
mov ebp, dword [esp + 0x90]
push esi
push edi
mov ecx, 0x10
xor eax, eax
mov edi, ebp
mov esi, dword [esp + 0xa0]
rep stosd dword es:[edi], eax
mov ecx, 8
mov edi, ebx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov ecx, 0x20
xor eax, eax
lea edi, [esp + 0x14]
rep stosd dword es:[edi], eax
test esi, esi
mov dword [esp + 0x14], 0x9d14e9a1
mov dword [esp + 0x18], 0x593b6b0e
je 0x4962bb
mov edi, esi
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x28
jne 0x49629f
mov byte [esi + 0x20], al
mov ecx, 0x20
jmp 0x4962a9
cmp ecx, 0x38
jle 0x4962a9
mov ecx, 0x38
mov eax, ecx
lea edi, [esp + 0x1c]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, 0xadfecc
test ecx, ecx
je 0x4962ef
mov edi, ecx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x38
jle 0x4962da
mov ecx, 0x38
xor eax, eax
test ecx, ecx
jle 0x4962ef
mov dl, byte [eax + 0xadfecc]
xor byte [esp + eax + 0x1c], dl
inc eax
cmp eax, ecx
jl 0x4962e0
lea eax, [esp + 0x14]
push eax
push ebp
call fcn.00496180
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, str.01d0a8e3
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
lea esi, [edx + ebp]
sub edi, ecx
mov eax, ecx
mov dword [esp + 0x10], esi
mov esi, edi
mov edi, dword [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, edx
cdq
and edx, 3
and ecx, 3
add eax, edx
rep movsb byte es:[edi], byte [esi]
sar eax, 2
xor ecx, ecx
test eax, eax
jle 0x496354
mov esi, ebp
mov dl, byte [esi]
add esi, 4
mov byte [ecx + ebx], dl
inc ecx
cmp ecx, eax
jl 0x496347
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x84
ret
Function at 0x496f20
Capabilities:
Encode data using base64
Terminate process

Disassembly:
sub esp, 0x118
mov ecx, 0x3f
mov eax, 0x80808080
push ebx
push ebp
push esi
push edi
lea edi, [esp + 0x28]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, 0x41
mov cl, al
sub cl, 0x41
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x5a
jle 0x496f42
mov eax, 0x61
mov dl, al
sub dl, 0x47
mov byte [esp + eax + 0x28], dl
inc eax
cmp eax, 0x7a
jle 0x496f56
mov eax, 0x30
mov cl, al
add cl, 4
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x39
jle 0x496f6a
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
xor ebp, ebp
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov byte [esp + 0x53], 0x3e
mov byte [esp + 0x57], 0x3f
mov byte [esp + 0x65], 0
mov dword [esp + 0x18], ebp
je 0x4970fd
mov ebx, dword [esp + 0x130]
mov dword [esp + 0x10], 3
mov dword [esp + 0x14], 4
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x12c]
xor eax, eax
lea esi, [edx + ecx]
movsx ecx, byte [esi + eax]
mov dl, byte [esp + ecx + 0x28]
test dl, 0x80
jne 0x4970ce
mov byte [esp + eax + 0x20], cl
mov byte [esp + eax + 0x1c], dl
inc eax
cmp eax, 4
jl 0x496fcc
mov esi, dword [esp + 0x138]
mov edx, dword [esp + 0x10]
cmp edx, dword [esi]
jle 0x497036
mov eax, dword [esp + 0x14]
push eax
call fcn.004a82a7
mov ecx, dword [esi]
mov esi, ebx
mov edx, ecx
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
push ebx
and ecx, 3
mov dword [esp + 0x2c], eax
rep movsb byte es:[edi], byte [esi]
call fcn.004a81be
mov ecx, dword [esp + 0x140]
mov eax, dword [esp + 0x18]
mov ebx, dword [esp + 0x2c]
add esp, 8
mov dword [ecx], eax
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov dl, ch
mov al, cl
sar dl, 4
shl al, 2
or dl, al
mov eax, dword [esp + 0x14]
mov byte [ebx + ebp], dl
inc ebp
inc eax
mov cl, ch
mov dword [esp + 0x14], eax
mov al, byte [esp + 0x1e]
mov dl, al
inc edi
sar dl, 2
shl cl, 4
or dl, cl
mov ecx, dword [esp + 0x14]
shl al, 6
or al, byte [esp + 0x1f]
mov byte [ebx + ebp], dl
inc ebp
mov edx, edi
inc ecx
inc edx
mov byte [ebx + ebp], al
mov al, byte [esp + 0x22]
inc ebp
inc ecx
inc edx
mov dword [esp + 0x10], edi
cmp al, 0x3d
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], edx
je 0x4970e3
mov cl, byte [esp + 0x23]
xor eax, eax
cmp cl, 0x3d
setne al
add eax, 2
cmp eax, 3
jl 0x4970e3
mov edx, dword [esp + 0x18]
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
add edx, 4
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [esp + 0x18], edx
cmp edx, ecx
jae 0x497104
jmp 0x496fbc
push ecx
push str.Illegal_character__c_in_input._n
call fcn.004aa050
add esp, 8
push 1
call fcn.004a98a2
mov eax, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [eax], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
mov ebx, dword [esp + 0x130]
mov ecx, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [ecx], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
Function at 0x499eb0
Capabilities:
Encrypt data using des

Disassembly:
sub esp, 0xf4
xor ecx, ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x104]
push edi
xor eax, eax
mov al, byte [ecx + str.80_]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0xb03d2c]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x499ec3
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x499f04
lea eax, [edx + edx]
lea edi, [esp + eax*4 + 0x88]
lea ebp, [esp + eax*4 + 0x84]
xor eax, eax
xor ecx, ecx
mov cl, byte [edx + 0xb03dd4]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x499f36
mov bl, byte [esp + ecx + 0x4c]
jmp 0x499f3a
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x499f2b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x499f58
mov bl, byte [esp + ecx + 0x4c]
jmp 0x499f5c
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x499f4d
xor ecx, ecx
mov eax, 0xb03d3c
xor ebx, ebx
mov bl, byte [ecx + 0xb03de4]
cmp byte [esp + ebx + 0x14], 0
je 0x499f87
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0xb03dfc]
cmp byte [esp + ebx + 0x14], 0
je 0x499f9e
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, str.80_
jl 0x499f6e
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x499ef7
lea edx, [esp + 0x84]
push edx
call fcn.00499fe0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x49be00
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x49be66
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x49be66
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x49be47
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x49c1f0
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x49c228
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x49ceb0
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x49cef9
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x49d370
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4ca510
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.0049cf20
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.0049cfa0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.0049cfa0
lea ecx, [esi + 0xc]
call fcn.004b9008
lea ecx, [esi + 0x10]
call fcn.004b9008
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.0049e530
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.0049e530
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.0049e530
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.004b907d
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.004b907d
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4bb497
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4bb4cf
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.004b9524
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004b94fc
jmp 0x4bb4db
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4bcb91
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4bcbd3
call fcn.004c2cc4
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4bcbd3
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4bcbca
xor eax, eax
jmp 0x4bcbdb
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004bcbe1
pop edi
pop esi
pop ebx
ret 4

Function at 0x4c31f4
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4c3222
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4c3240
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004c315a
jmp 0x4c3240
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4c3240
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004c315a
test edi, edi
mov eax, edi
jne 0x4c322a
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x414e60
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xf000]
push edi
jmp 0x414e7a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x414e81
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x414e70
mov eax, 1
add ebx, ebx
jne 0x414e93
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x414e88
jne 0x414ea4
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x414e88
xor ecx, ecx
sub eax, 3
jb 0x414eb8
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x414f2a
mov ebp, eax
add ebx, ebx
jne 0x414ec3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x414ed0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x414ef4
inc ecx
add ebx, ebx
jne 0x414ee0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x414ed5
jne 0x414ef1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x414ed5
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x414f14
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x414f05
jmp 0x414e76
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x414f14
add edi, ecx
jmp 0x414e76
pop esi
mov edi, esi
mov ecx, 0x5a7
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x414f32
cmp byte [edi], 5
jne 0x414f32
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 0x414f37
lea edi, [esi + 0x12000]
mov eax, dword [edi]
or eax, eax
je 0x414fa6
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x15454]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x1551c]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x414f64
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x15520]
or eax, eax
je 0x414fa0
mov dword [ebx], eax
add ebx, 4
jmp 0x414f81
call dword [esi + 0x15530]
mov ebp, dword [esi + 0x15524]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x21f]
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 0x414fda
sub esp, 0xffffff80
jmp 0x40a764

Function at 0x438cb0
Capabilities:
Encode data using xor

Disassembly:
sub esp, 4
mov dword [esp], 0x438a14
pop ebx
dec ecx
sub edi, 1
mov edi, ecx
call fcn.00438cf2
inc ecx
xor dword [esi], ebx
add edi, 0x4671ae6c
add edi, edi
add esi, 1
add ecx, 0xe773ab8a
sub ecx, edi
cmp esi, edx
jne fcn.00438cb0
add edi, 1
mov edi, edi
or edi, ecx
ret
Function at 0x4030e4
Capabilities:
Accept command line arguments

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffef8
mov ebx, edx
mov esi, eax
mov eax, ebx
call fcn.00404de4
test esi, esi
jne 0x40311a
push 0x105
lea eax, [esp + 4]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
mov ecx, eax
mov edx, esp
mov eax, ebx
call fcn.00404ed4
jmp 0x403138
call sub.kernel32.dll_GetCommandLineA
mov edi, eax
mov edx, ebx
mov eax, edi
call fcn.00402fe8
mov edi, eax
test esi, esi
je 0x403138
cmp dword [ebx], 0
je 0x403138
dec esi
jmp 0x403121
add esp, 0x108
pop edi
pop esi
pop ebx
ret

Function at 0x40316c
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x46a008], 0x8088405
inc edx
mov dword [ebx + 0x46a008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x403774
Capabilities:
Read file on windows

Disassembly:
push ebx
xor ecx, ecx
mov ebx, eax
mov cx, word [eax + 4]
sub ecx, 0xd7b1
je 0x40378a
sub ecx, 2
jne 0x4037ac
push 0
mov eax, esp
push 0
push eax
push dword [ebx + 8]
push edx
push dword [ebx]
call sub.kernel32.dll_ReadFile
pop edx
dec eax
jne 0x4037b3
cmp edx, dword [ebx + 8]
je 0x4037bd
mov eax, 0x64
jmp 0x4037b8
mov eax, 0x67
jmp 0x4037b8
call sub.kernel32.dll_GetLastError
call fcn.00402e68
pop ebx
ret

Function at 0x403918
Capabilities:
Clear file content

Disassembly:
movzx edx, word [eax + 4]
sub edx, 0xd7b1
cmp edx, 2
ja 0x403936
push dword [eax]
call sub.kernel32.dll_SetEndOfFile
dec eax
je 0x403940
jmp fcn.00402e78
mov eax, 0x67
jmp fcn.00402e68
ret

Function at 0x403a18
Capabilities:
Write file on windows

Disassembly:
push ebx
mov ebx, eax
movzx eax, word [eax + 4]
sub eax, 0xd7b2
cmp eax, 1
ja 0x403a4b
push 0
mov eax, esp
push 0
push eax
push dword [ebx + 8]
push edx
push dword [ebx]
call sub.kernel32.dll_WriteFile
pop edx
dec eax
jne 0x403a52
cmp edx, dword [ebx + 8]
je 0x403a5c
mov eax, 0x65
jmp 0x403a57
mov eax, 5
jmp 0x403a57
call sub.kernel32.dll_GetLastError
call fcn.00402e68
mov eax, ebx
pop ebx
ret

Function at 0x403db4
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x46a024]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x403e4c
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x403e2c
xor eax, eax
push ebp
push 0x403e25
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 0x403e68
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 0x403e2c
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
movzx eax, word [0x46a024]
and ax, 0xffc0
movzx edx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x46a024], ax
mov esp, ebp
pop ebp
ret
Function at 0x404c64
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x57604c], 0
je 0x404cc5
cmp word [0x576220], 0xd7b2
jne 0x404c8d
cmp dword [0x576228], 0
jbe 0x404c8d
mov eax, 0x57621c
call dword [0x576238]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push str.Runtime_error_____at_00000000
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 0x404cec
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x46a030], 0
jne 0x404ce1
push 0
push str.Error
push str.Runtime_error_____at_00000000
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret