joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a23f0
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.004a2520
add esp, 8
test eax, eax
jne 0x4a2409
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x4a2415
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x4a2430
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.004a2730
add esp, 4
test esi, esi
je 0x4a24ba
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x4a24ae
cmp dword [esi + 8], 0xffffffff
je 0x4a24ae
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x4a249c
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 0x4a24a0
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.0049e0a0
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x4a2456
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.004a2740
add esp, 4
pop edi
pop esi
ret

Function at 0x4a3920
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 0x4a395c
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 + 0x551834]
xor ax, bx
inc ecx
dec esi
jne 0x4a3938
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x4a7660
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4a7832
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 0x4aa400
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.004aa210
lea edx, [esp + 0x24]
lea eax, [esp + 0x10]
push edx
push eax
call fcn.004aa340
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 0x4aa47a
add eax, 0x30
jmp 0x4aa47d
add eax, 0x57
mov byte [esi], al
cmp cl, 0xa
movsx eax, cl
jge 0x4aa48c
add eax, 0x30
jmp 0x4aa48f
add eax, 0x57
mov byte [esi + 1], al
inc edx
add esi, 2
cmp edx, 0x10
jl 0x4aa460
pop esi
add esp, 0x94
ret

Function at 0x4aa4b0
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 0x4aa53b
mov edi, esi
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x28
jne 0x4aa51f
mov byte [esi + 0x20], al
mov ecx, 0x20
jmp 0x4aa529
cmp ecx, 0x38
jle 0x4aa529
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, 0x551ccc
test ecx, ecx
je 0x4aa56f
mov edi, ecx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x38
jle 0x4aa55a
mov ecx, 0x38
xor eax, eax
test ecx, ecx
jle 0x4aa56f
mov dl, byte [eax + 0x551ccc]
xor byte [esp + eax + 0x1c], dl
inc eax
cmp eax, ecx
jl 0x4aa560
lea eax, [esp + 0x14]
push eax
push ebp
call fcn.004aa400
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 0x4aa5d4
mov esi, ebp
mov dl, byte [esi]
add esi, 4
mov byte [ecx + ebx], dl
inc ecx
cmp ecx, eax
jl 0x4aa5c7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x84
ret
Function at 0x4ab1a0
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 0x4ab1c2
mov eax, 0x61
mov dl, al
sub dl, 0x47
mov byte [esp + eax + 0x28], dl
inc eax
cmp eax, 0x7a
jle 0x4ab1d6
mov eax, 0x30
mov cl, al
add cl, 4
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x39
jle 0x4ab1ea
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 0x4ab37d
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 0x4ab34e
mov byte [esp + eax + 0x20], cl
mov byte [esp + eax + 0x1c], dl
inc eax
cmp eax, 4
jl 0x4ab24c
mov esi, dword [esp + 0x138]
mov edx, dword [esp + 0x10]
cmp edx, dword [esi]
jle 0x4ab2b6
mov eax, dword [esp + 0x14]
push eax
call fcn.004c7187
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.004c709e
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 0x4ab363
mov cl, byte [esp + 0x23]
xor eax, eax
cmp cl, 0x3d
setne al
add eax, 2
cmp eax, 3
jl 0x4ab363
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 0x4ab384
jmp 0x4ab23c
push ecx
push str.Illegal_character__c_in_input._n
call fcn.004c8d8d
add esp, 8
push 1
call fcn.004c8f5e
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 0x4acd50
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 + 0x56fa74]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x4acd63
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x4acda4
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 + 0x56fb1c]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x4acdd6
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4acdda
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x4acdcb
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x4acdf8
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4acdfc
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x4acded
xor ecx, ecx
mov eax, 0x56fa84
xor ebx, ebx
mov bl, byte [ecx + 0x56fb2c]
cmp byte [esp + ebx + 0x14], 0
je 0x4ace27
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x56fb44]
cmp byte [esp + ebx + 0x14], 0
je 0x4ace3e
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 0x4ace0e
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x4acd97
lea edx, [esp + 0x84]
push edx
call fcn.004ace80
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x4b1800
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x5ab96c]
xor edx, edx
cmp eax, edx
jne 0x4b1826
xor eax, eax
mov byte [eax + 0x5ab86c], al
inc eax
cmp eax, 0x100
jl 0x4b180e
mov dword [0x5ab96c], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x5ab86c
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4b18b7
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 0x4b188a
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 0x4b1858
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4b1930
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 0x4b1983
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 0x4b196a
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

Function at 0x4b8340
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4e564e
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x18]
push esi
push edi
mov edi, ecx
mov ecx, dword [esp + 0x1c]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x10], edi
call fcn.004b8c60
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x552c04
call fcn.004d6d89
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x4b83d3
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.004d6d89
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x4b83cc
push 0
mov ecx, eax
call fcn.004af440
mov dword [esi + 0xc], eax
jmp 0x4b83d5
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x4b83d5
xor esi, esi
mov ecx, dword [esp + 0xc]
mov dword [edi + 0x30], esi
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 8
Function at 0x4d93ef
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4d9427
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.004d74a3
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004d747b
jmp 0x4d9433
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4daae1
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 0x4dab23
call fcn.004e0591
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4dab23
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4dab1a
xor eax, eax
jmp 0x4dab2b
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004dab31
pop edi
pop esi
pop ebx
ret 4

Function at 0x4e0ac1
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 0x4e0aef
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4e0b0d
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004e0a27
jmp 0x4e0b0d
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4e0b0d
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004e0a27
test edi, edi
mov eax, edi
jne 0x4e0af7
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x5709d0
Capabilities:
Connect socket

Disassembly:
push ebp
mov ebp, esp
push ecx
push edx
push eax
call sub.ws2_32.dll_connect
mov esp, ebp
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 0x401bb0
Capabilities:
Create thread

Disassembly:
push ecx
mov eax, dword [0x4171f0]
push esi
test eax, eax
push edi
je 0x401bfd
mov esi, dword [eax + 0x30]
test esi, esi
je 0x401bf3
mov edi, dword [sym.imp.KERNEL32.dll_CreateThread]
lea eax, [esp + 8]
mov dword [esp + 8], 0
push eax
push 0
push esi
push fcn.00401a40
push 0
push 0
call edi
mov dword [esi + 0x24], eax
mov esi, dword [esi + 0x30]
test esi, esi
jne 0x401bc9
mov eax, dword [0x4171f0]
test eax, eax
je 0x401bfd
push eax
call fcn.00401a40
mov esi, dword [sym.imp.KERNEL32.dll_Sleep]
push 0x7530
call esi
jmp 0x401c03

Function at 0x401c10
Capabilities:
Create service
Persist via windows service

Disassembly:
sub esp, 0x208
push esi
push edi
xor edi, edi
push 0xf003f
push edi
push edi
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerW]
mov esi, eax
test esi, esi
je 0x401c87
push ebx
lea eax, [esp + 0xc]
push 0x104
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push edi
push edi
mov eax, dword [esp + 0x220]
push edi
push edi
lea ecx, [esp + 0x1c]
push edi
push ecx
push 1
push 2
push 0x10
push 0xf01ff
push eax
push eax
push esi
call dword [sym.imp.ADVAPI32.dll_CreateServiceW]
mov ebx, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
test eax, eax
je 0x401c76
push eax
call ebx
mov edi, 1
push esi
call ebx
mov eax, edi
pop ebx
pop edi
pop esi
add esp, 0x208
ret 4
mov eax, edi
pop edi
pop esi
add esp, 0x208
ret 4

Function at 0x401ca0
Capabilities:
Delete service

Disassembly:
push ebx
push edi
xor ebx, ebx
push 0xf003f
push ebx
push ebx
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerW]
mov edi, eax
test edi, edi
je 0x401cee
mov eax, dword [esp + 0xc]
push ebp
push esi
push 0x10000
push eax
push edi
call dword [sym.imp.ADVAPI32.dll_OpenServiceW]
mov ebp, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov esi, eax
test esi, esi
je 0x401ce2
push esi
call dword [sym.imp.ADVAPI32.dll_DeleteService]
push esi
mov ebx, eax
call ebp
push edi
call ebp
pop esi
pop ebp
mov eax, ebx
pop edi
pop ebx
ret 4
mov eax, ebx
pop edi
pop ebx
ret 4
Function at 0x4020d0
Capabilities:
Extract resource via kernel32 functions
Write file on windows

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push ebx
push esi
push edi
push eax
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_FindResourceA]
mov esi, eax
test esi, esi
jne 0x4020ef
pop edi
pop esi
pop ebx
ret
push esi
push 0
call dword [sym.imp.KERNEL32.dll_LoadResource]
test eax, eax
jne 0x402100
pop edi
pop esi
pop ebx
ret
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov ebx, eax
test ebx, ebx
jne 0x402111
pop edi
pop esi
pop ebx
ret
push esi
push 0
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov edx, dword [esp + 0x18]
push 0
push 0x80
push 2
push 0
push 0
push 0x40000000
push edx
mov edi, eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
test esi, esi
jne 0x402143
pop edi
pop esi
pop ebx
ret
lea eax, [esp + 0x14]
push 0
push eax
push edi
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
mov eax, 1
pop ebx
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 0x45da90
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x38000]
push edi
or ebp, 0xffffffff
jmp 0x45dab2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x45dab9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x45daa8
mov eax, 1
add ebx, ebx
jne 0x45dacb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x45dac0
jne 0x45dadc
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x45dac0
xor ecx, ecx
sub eax, 3
jb 0x45daf0
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x45db62
mov ebp, eax
add ebx, ebx
jne 0x45dafb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x45db08
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x45db2c
inc ecx
add ebx, ebx
jne 0x45db18
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x45db0d
jne 0x45db29
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x45db0d
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x45db4c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x45db3d
jmp 0x45daae
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x45db4c
add edi, ecx
jmp 0x45daae
pop esi
lea edi, [esi + 0x5b000]
mov eax, dword [edi]
or eax, eax
je 0x45dbab
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x5d22c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x5d2d4]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x45db69
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x5d2dc]
or eax, eax
je 0x45dba5
mov dword [ebx], eax
add ebx, 4
jmp 0x45db86
call dword [esi + 0x5d2d8]
mov ebp, dword [esi + 0x5d2e0]
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 0x45dbdf
sub esp, 0xffffff80
jmp 0x401710