joyce8/EMBER2024-capa huggingface dataset:
Function at 0x414401
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
xor edx, edx
lea ecx, [esi + 0x19c]
mov dword [esi + 0x3bcd4], edx
mov dword [esi + 0x3bcd0], edx
push ebx
mov dword [ecx + 0x30], edx
mov dword [ecx + 0x4c], edx
mov dword [ecx + 0x20], edx
mov dword [ecx + 0x2c], 0x20
mov dword [ecx + 0x54], 1
mov dword [ecx + 0x48], 4
mov dword [ecx + 0x58], edx
mov dword [ebp - 4], edx
lea eax, [ecx + 0x70]
push edi
mov edi, dword [ebp - 4]
mov dword [ebp - 8], 8
mov ebx, edi
and ebx, 1
dec ebx
not ebx
and ebx, 0xedb88320
shr edi, 1
xor edi, ebx
dec dword [ebp - 8]
jne 0x41444e
inc dword [ebp - 4]
mov dword [eax], edi
add eax, 4
cmp dword [ebp - 4], 0x100
jb 0x414444
mov dword [esi + 0x118], edx
lea eax, [esi + 0x148]
mov dword [eax], edx
mov dword [eax + 0x28], edx
mov dword [eax + 0x2c], edx
mov dword [eax + 0x10], edx
mov dword [eax + 0x14], edx
mov dword [eax + 0x18], edx
mov dword [eax + 0x1c], edx
mov dword [eax + 0x20], edx
mov dword [eax + 0x24], edx
mov dword [esi + 0x4c], edx
mov dword [esi + 0x74], edx
mov dword [esi + 0x78], edx
mov dword [esi + 0x5c], edx
mov dword [esi + 0x60], edx
mov dword [esi + 0x64], edx
mov dword [esi + 0x68], edx
mov dword [esi + 0x6c], edx
mov dword [esi + 0x70], edx
lea eax, [ebp - 0x38]
mov dword [esi + 0x198], ecx
call fcn.00412553
mov ebx, esi
call fcn.00412656
push 2
pop edi
mov byte [esi + 0x306a0], 0
mov byte [esi + 0x306a1], 1
mov dword [ebp - 4], edi
mov ecx, dword [ebp - 4]
xor ebx, ebx
sar ecx, 1
dec ecx
inc ebx
shl ebx, cl
test ebx, ebx
jbe 0x414505
push ebx
push dword [ebp - 4]
lea eax, [edi + esi + 0x306a0]
push eax
call fcn.004f0540
add esp, 0xc
add edi, ebx
inc dword [ebp - 4]
cmp dword [ebp - 4], 0x16
jl 0x4144e0
push 8
pop edi
mov edx, 0x10000
push 4
mov eax, edi
xor ecx, ecx
pop ebx
imul eax, eax
add ecx, ecx
jmp 0x414527
shr eax, 1
inc ecx
cmp eax, edx
jae 0x414524
dec ebx
jne 0x41451d
mov eax, 0xa1
sub eax, ecx
mov ecx, edi
shr ecx, 4
add edi, 0x10
cmp edi, 0x800
mov dword [esi + ecx*4 + 0x30ea0], eax
jb 0x414516
and dword [esi + 0x325ac], ebx
and dword [esi + 0x3bd14], ebx
pop edi
pop ebx
leave
ret

Function at 0x414f8d
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
lea eax, [ebp - 4]
push eax
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push 0
push 0
call fcn.004f3b37
mov ecx, dword [ebp + 8]
add esp, 0x18
test eax, eax
mov dword [ecx], eax
je 0x414fb6
xor eax, eax
leave
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x414fc1
inc eax
leave
ret
Function at 0x41855c
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x50ebaf
call fcn.0050df3c
xor eax, eax
push esi
mov esi, dword [ebp + 8]
mov dword [esi + 4], eax
mov dword [esi + 8], eax
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 4
mov dword [esi], vtable.CObjectVector_struct_NArchive::N7z::CMethodFull_.0
mov dword [ebp - 4], eax
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], eax
mov dword [esi + 0x20], eax
mov dword [esi + 0x24], 0x10
mov dword [esi + 0x14], vtable.CRecordVector_struct_NArchive::N7z::CBind_.0
mov byte [ebp - 4], 1
mov byte [esi + 0x2c], al
lea eax, [esi + 0x30]
mov dword [esi + 0x28], 1
call fcn.0040a58b
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x421167
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50f67f
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov edi, ecx
lea esi, [edi + 0x258]
push dword [esi + 8]
mov eax, dword [esi]
xor ebx, ebx
push ebx
mov ecx, esi
call dword [eax + 4]
lea eax, [esp + 0xc]
add edi, 0x1c8
push eax
call fcn.0040d4af
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.004210e3
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.004210e3
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.0042109f
push 0x10
push esi
call fcn.0042109f
push 9
push esi
call fcn.0042109f
push 6
push esi
call fcn.0042109f
push 0x12
push esi
call fcn.0042109f
push 0x14
push esi
call fcn.0042109f
push 0x13
push esi
call fcn.0042109f
push 0x15
push esi
call fcn.0042109f
add esp, 0x40
push 0xa
push esi
call fcn.0042109f
push 0x16
push esi
call fcn.0042109f
add esp, 0x10
mov eax, esi
call fcn.0040d746
push ebx
push 0x61
call fcn.0040bb3d
push ebx
push 0x62
call fcn.0040bb3d
push ebx
push 0x63
call fcn.0040bb3d
push 0x14
mov eax, esi
call fcn.00421119
pop ecx
push 6
mov eax, esi
call fcn.00421119
pop ecx
push 9
mov eax, esi
call fcn.00421119
pop ecx
push 0x11
mov eax, esi
call fcn.00421119
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.0041515d
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x424cf0
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x510712
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x38
mov eax, dword [0x55fb0c]
push ebx
push esi
push edi
mov ecx, 0x55fb0c
call dword [eax + 0xc]
add eax, 0x10
mov dword [esp + 0x10], eax
mov edi, dword [ebp + 8]
push dword [ebp + 0xc]
and dword [esp + 0x50], 0
lea ebx, [edi + 8]
push ebx
mov dword [esp + 0x2c], ebx
call fcn.00405e0b
mov esi, ebx
call fcn.00425b1f
push dword [ebx]
call fcn.0040606f
mov eax, dword [edi + 0x20]
mov eax, dword [eax]
add edi, 0x1c
pop ecx
mov dword [esp + 0x18], edi
mov dword [esp + 0x30], edi
mov dword [esp + 0x34], eax
cmp dword [esp + 0x30], 0
mov esi, dword [edi + 4]
je 0x424d70
cmp dword [esp + 0x30], edi
je 0x424d75
call fcn.004efece
cmp dword [esp + 0x34], esi
je 0x424e6c
lea esi, [esp + 0x30]
call fcn.00426180
mov dword [esp + 0x14], eax
call fcn.00426180
mov esi, eax
push 0x53e9e8
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.00405522
test eax, eax
je 0x424deb
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.004063b7
pop ecx
pop ecx
lea edi, [esp + 0x10]
mov byte [esp + 0x4c], 1
call fcn.00404ec2
mov byte [esp + 0x4c], 0
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
call fcn.00405980
push dword [esp + 0x10]
call fcn.0040606f
mov edi, dword [esp + 0x1c]
pop ecx
mov eax, dword [esi + 4]
mov eax, dword [eax]
mov dword [esp + 0x28], esi
mov dword [esp + 0x2c], eax
cmp dword [esp + 0x28], 0
mov eax, dword [esi + 4]
mov dword [esp + 0x3c], eax
je 0x424e0c
cmp dword [esp + 0x28], esi
je 0x424e11
call fcn.004efece
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x424e5e
cmp dword [esp + 0x28], 0
jne 0x424e27
call fcn.004efece
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x424e39
call fcn.004efece
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.004255ee
lea esi, [esp + 0x28]
call fcn.00451d08
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x424df8
lea esi, [esp + 0x30]
call fcn.0042664b
jmp 0x424d60
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.00405980
mov ecx, dword [esp + 0x44]
pop edi
pop esi
xor eax, eax
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x4251ee
Capabilities:
Copy file

Disassembly:
mov eax, 0x5106f8
call fcn.0050df3c
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x425344
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea eax, [ebx + 0xc]
push eax
lea eax, [ebp - 0x18]
lea ecx, [ebx + 8]
push eax
call fcn.004063b7
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.00425bad
test eax, eax
je 0x425339
mov eax, dword [0x55fb0c]
mov esi, 0x55fb0c
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
mov byte [ebp - 4], 1
mov eax, dword [0x55fb0c]
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x14], eax
lea edi, [ebp - 0x1c]
mov byte [ebp - 4], 2
call fcn.00425c51
lea edi, [ebp - 0x14]
mov byte [ebp - 4], 3
call fcn.00404ec2
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405980
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00425ce9
pop ecx
pop ecx
lea edi, [ebp - 0x10]
mov byte [ebp - 4], 4
call fcn.00404ec2
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405980
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.004063b7
mov eax, dword [eax]
pop ecx
pop ecx
push 0
push eax
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_CopyFileW]
mov esi, eax
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405980
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x425326
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.00405998
add eax, 0x10
mov dword [esi], eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 5
call fcn.004063b7
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00425d42
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.00405980
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.00405980
lea eax, [edi - 0x10]
call fcn.00405980
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.00405980
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x42585e
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
push edi
xor edi, edi
push edi
push 0x80
push 2
push edi
push 1
push 0xc0000000
push dword [ebp + 0xc]
mov dword [ebp - 4], edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
jne 0x42589a
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425996
mov esi, dword [ebp + 8]
push edi
push dword [esi + 4]
push edi
push 4
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
cmp ebx, edi
mov dword [ebp - 8], eax
je 0x4258c8
push dword [esi + 4]
push edi
push edi
push 2
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, edi
mov dword [ebp - 0xc], eax
jne 0x4258d3
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425962
lea ebx, [esi + 8]
mov dword [ebp - 4], eax
mov eax, dword [ebx + 4]
mov eax, dword [eax]
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x18], edi
mov eax, dword [ebx + 4]
mov dword [ebp - 0x1c], eax
je 0x4258f4
cmp dword [ebp - 0x18], ebx
je 0x4258f9
call fcn.004efece
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x425952
lea esi, [ebp - 0x18]
call fcn.00451ce8
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x425916
xor eax, eax
jmp 0x42591b
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ff3
push eax
push dword [ebp - 4]
call fcn.004f24c0
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x425938
xor esi, esi
jmp 0x42593d
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.004261a0
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x4258e4
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov dword [ebp - 4], 1
cmp dword [ebp - 8], edi
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x425972
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x425996
push dword [ebp + 0xc]
mov eax, esi
call fcn.004259a0
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x425996
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x4259a0
Capabilities:
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
push edi
xor edi, edi
push edi
push 0x80
push 3
push edi
push 1
push SysReAllocString
push dword [ebp + 8]
mov esi, eax
mov dword [ebp - 0x10], edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x14], ebx
jne 0x4259de
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425ac3
push edi
push dword [esi + 4]
push edi
push 2
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
cmp ebx, edi
mov dword [ebp - 0xc], eax
jne 0x4259ff
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425aae
push dword [esi + 4]
push edi
push edi
push 4
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, edi
mov dword [ebp - 8], eax
jne 0x425a1f
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425aa0
lea ebx, [esi + 8]
mov dword [ebp + 8], eax
mov eax, dword [ebx + 4]
mov eax, dword [eax]
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x1c], edi
mov esi, dword [ebx + 4]
je 0x425a3d
cmp dword [ebp - 0x1c], ebx
je 0x425a42
call fcn.004efece
cmp dword [ebp - 0x18], esi
je 0x425a99
lea esi, [ebp - 0x1c]
call fcn.00451ce8
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x425a5c
xor eax, eax
jmp 0x425a61
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ff3
push eax
push dword [ebp + 8]
call fcn.004edd44
add esp, 0xc
test eax, eax
jne 0x425aa0
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x425a82
xor esi, esi
jmp 0x425a87
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.004261a0
xor edi, edi
jmp 0x425a30
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x425aae
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp dword [ebp - 0xc], edi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x425abe
push dword [ebp - 0xc]
call esi
push dword [ebp - 0x14]
call esi
mov eax, dword [ebp - 0x10]
pop edi
pop esi
pop ebx
leave
ret 4

Function at 0x425b5c
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
and dword [ebp - 0xc], 0
and dword [ebp - 4], 0
push ebx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_WriteFile]
mov ebx, ecx
push 0
lea ecx, [ebp - 4]
push ecx
mov dword [ebp - 8], eax
push eax
jmp 0x425b93
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x425b9f
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x425b80
jmp 0x425ba6
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x425c51
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x560e04], 1
jne 0x425c8e
mov eax, dword [0x55fb0c]
or dword [0x560e04], 1
mov ecx, 0x55fb0c
call dword [eax + 0xc]
add eax, 0x10
push 0x512ee0
mov dword [0x560e00], eax
call fcn.004f1cc9
pop ecx
mov eax, dword [0x560e00]
cmp dword [eax - 0xc], 0
jne 0x425cd8
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x425cd3
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x560e00
push esi
call fcn.00405e0b
call fcn.00425b1f
push str.drivers_
push esi
call fcn.004061c6
pop esi
mov eax, dword [0x560e00]
add eax, 0xfffffff0
call fcn.00405998
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x4276e4
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x4276f7
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret

Function at 0x427a39
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
and dword [ebp + 8], 0
and dword [ebp - 4], 0
cmp dword [ebp + 0xc], 0
jne 0x427a56
mov eax, dword [ebp - 4]
jmp 0x427b30
mov esi, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
mov eax, dword [ebp + 8]
shr ecx, 3
xor eax, 0xffffffff
test ecx, ecx
je 0x427b0b
push ebp
mov ebp, ecx
xor edx, edx
xor ecx, ecx
nop
mov ebx, dword [esi]
add esi, 4
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53e018]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53e018]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53e018]
mov cl, bh
xor eax, edi
mov ebx, dword [esi]
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53e018]
add esi, 4
xor eax, edi
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53e018]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53e018]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53e018]
mov cl, bh
xor eax, edi
xor cl, al
shr eax, 8
xor eax, dword [ecx*4 + 0x53e018]
dec ebp
jne 0x427a75
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x427b27
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x53e018]
dec ecx
jne 0x427b15
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x4283b4
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
xor ebx, ebx
push edi
xor eax, eax
cmp ecx, ebx
lea edi, [ebp - 0x13]
mov byte [ebp - 0x14], bl
mov dword [ebp - 4], ebx
stosd dword es:[edi], eax
mov dword [ebp - 0xc], ebx
je 0x428490
cmp word [ecx], bx
je 0x428490
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 8], edi
je 0x428490
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, ebx
jbe 0x428486
push ebx
lea eax, [ebp - 0xc]
push eax
push 4
lea eax, [ebp - 0x14]
push eax
push edi
mov edi, dword [sym.imp.KERNEL32.dll_ReadFile]
call edi
test eax, eax
je 0x428486
lea ecx, [ebp - 0x14]
call fcn.004284cc
test eax, eax
je 0x428486
add esi, 0xfffffffc
lea eax, [esi + 1]
push eax
push 0x40
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
cmp eax, ebx
mov dword [ebp - 4], eax
je 0x428486
mov eax, dword [ebp + 8]
push ebx
push ebx
push 4
push dword [ebp - 8]
mov dword [eax], esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push ebx
lea eax, [ebp - 0xc]
push eax
push esi
push dword [ebp - 4]
push dword [ebp - 8]
call edi
test eax, eax
je 0x428486
mov edx, dword [ebp - 4]
call fcn.00428497
test eax, eax
jge 0x428486
push edx
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov dword [ebp - 4], ebx
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop esi
mov eax, dword [ebp - 4]
pop edi
pop ebx
leave
ret

Function at 0x428497
Capabilities:
Encode data using xor

Disassembly:
test edx, edx
je 0x4284c6
test esi, esi
jbe 0x4284c6
mov ecx, esi
shr ecx, 2
push 0
pop eax
je 0x4284b5
xor dword [edx + eax*4], 0x132218e8
inc eax
cmp eax, ecx
jb 0x4284a9
shl eax, 2
jmp 0x4284bf
xor byte [eax + edx], 0x24
inc eax
cmp eax, esi
jb 0x4284ba
xor eax, eax
ret
mov eax, 0x80004005
ret
Function at 0x4286ef
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
push ebx
push esi
mov esi, dword [ebp + 0xc]
cmp esi, 0x80
mov ebx, eax
jg 0x428804
push 0x10
lea eax, [ebp - 0x30]
push edi
push eax
call fcn.004f24c0
push dword [ebp + 0x10]
push edi
push edi
call dword [ebp + 0x18]
lea eax, [esi + 7]
cdq
and edx, 7
add eax, edx
mov esi, eax
add esp, 0x18
sar esi, 3
cmp dword [ebp + 0x14], 0
je 0x428761
test esi, esi
jle 0x4287a3
mov eax, dword [ebp + 8]
lea edx, [ebp - 0x20]
sub ebx, edi
sub edx, edi
sub eax, edi
mov ecx, edi
mov dword [ebp - 4], eax
mov dword [ebp - 8], esi
mov al, byte [ebx + ecx]
xor al, byte [ecx]
mov esi, dword [ebp - 4]
mov byte [edx + ecx], al
mov byte [esi + ecx], al
inc ecx
dec dword [ebp - 8]
jne 0x42874b
jmp 0x4287a3
and dword [ebp - 4], 0
test esi, esi
jle 0x4287a3
lea eax, [ebp - 0x20]
mov edx, ebx
mov dword [ebp - 8], edi
sub dword [ebp - 8], eax
sub edx, eax
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x20]
sub eax, ecx
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp - 4]
mov ebx, dword [ebp - 8]
lea ecx, [ebp + ecx - 0x20]
mov al, byte [edx + ecx]
mov bl, byte [ebx + ecx]
xor bl, al
inc dword [ebp - 4]
cmp dword [ebp - 4], esi
mov byte [ecx], al
mov eax, dword [ebp - 0xc]
mov byte [eax + ecx], bl
jl 0x428781
mov ebx, dword [ebp + 0xc]
and ebx, 0x80000007
jns 0x4287b3
dec ebx
or ebx, 0xfffffff8
inc ebx
mov eax, dword [ebp + 0xc]
cdq
and edx, 7
add eax, edx
sar eax, 3
test ebx, ebx
mov dword [ebp - 0xc], ebx
lea eax, [ebp + eax - 0x30]
jne 0x4287d8
push 0x10
push eax
push edi
call fcn.004f24c0
add esp, 0xc
jmp 0x428804
mov dword [ebp - 8], 8
xor esi, esi
sub dword [ebp - 8], ebx
jmp 0x4287e9
mov ebx, dword [ebp - 0xc]
mov dl, byte [eax + esi + 1]
mov cl, byte [ebp - 8]
shr dl, cl
mov ecx, ebx
mov bl, byte [eax + esi]
shl bl, cl
or dl, bl
mov byte [esi + edi], dl
inc esi
cmp esi, 0x10
jl 0x4287e6
pop esi
pop ebx
leave
ret

Function at 0x4289ee
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x51009b
call fcn.0050df3c
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405bf0
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x428a39
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.00405980
mov ecx, dword [ebp - 0xc]
pop edi
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret
mov esi, dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x428a1a
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x428a1a
lea ecx, [ebp - 0x10]
call fcn.00428914
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x428a70
xor esi, esi
jmp 0x428a1d
push eax
call fcn.004289ee
test eax, eax
pop ecx
je 0x428a6c
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x428a1a
call edi
cmp eax, ebx
jne 0x428a6c
jmp 0x428a1a
Function at 0x428a8e
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x51009b
call fcn.0050df3c
sub esp, 0x64
push ebx
push esi
push edi
xor ebx, ebx
push 0x40
lea eax, [ebp - 0x6c]
push ebx
push eax
mov esi, ecx
mov dword [ebp - 0x14], ebx
call fcn.004f0540
xor eax, eax
mov dword [ebp - 0x24], ebx
lea edi, [ebp - 0x20]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
mov eax, dword [0x55fb0c]
xor edi, edi
inc edi
add esp, 0xc
mov ecx, 0x55fb0c
mov dword [ebp - 0x70], 0x44
mov dword [ebp - 0x44], edi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
push dword [ebp + 0xc]
lea eax, [ebp - 0x10]
push dword [ebp + 8]
mov dword [ebp - 4], ebx
push 0x53fd1c
call fcn.00406455
add esp, 0xc
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x70]
push eax
push ebx
push ebx
push ebx
neg esi
push ebx
sbb esi, esi
push ebx
and esi, 0xa
mov word [ebp - 0x40], si
mov esi, dword [ebp - 0x10]
push ebx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x428b34
cmp dword [ebp + 0x10], ebx
je 0x428b31
push dword [ebp + 0x10]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x14], edi
cmp dword [ebp - 0x24], ebx
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x428b47
push dword [ebp - 0x24]
call edi
mov dword [ebp - 0x24], ebx
cmp dword [ebp - 0x20], ebx
je 0x428b54
push dword [ebp - 0x20]
call edi
mov dword [ebp - 0x20], ebx
lea eax, [esi - 0x10]
call fcn.00405980
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x14]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret