joyce8/EMBER2024-capa huggingface dataset:
Function at 0x435914
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe4
push ebx
push esi
push edi
mov word [ebp - 0xa], cx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 8]
test eax, eax
je 0x435933
sub eax, 4
mov eax, dword [eax]
mov esi, eax
mov eax, dword [ebp - 4]
mov eax, dword [eax]
test eax, eax
je 0x435943
sub eax, 4
mov eax, dword [eax]
mov ebx, eax
sub ebx, dword [ebp + 8]
sub ebx, esi
inc ebx
cmp dword [ebp + 8], 0
jl 0x435a65
test ebx, ebx
jl 0x435a65
test esi, esi
jle 0x435a65
mov eax, dword [ebp - 8]
call fcn.0040b0c4
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax]
call fcn.0040b0c4
mov ecx, eax
mov eax, dword [ebp + 8]
add eax, eax
add ecx, eax
movzx eax, word [ebp - 0xa]
cmp ax, word [ebp + 0xc]
je 0x435a02
xor eax, eax
mov dword [ebp - 0x14], eax
test ebx, ebx
jl 0x435a65
inc ebx
mov dword [ebp - 0x1c], ebx
xor edx, edx
xor eax, eax
jmp 0x4359e7
lea ebx, [eax + edx]
movzx ebx, word [ecx + ebx*2]
cmp bx, word [ebp - 0xa]
jne 0x4359b6
inc dword [ebp - 0x14]
jmp 0x4359c6
lea ebx, [eax + edx]
movzx ebx, word [ecx + ebx*2]
cmp bx, word [ebp + 0xc]
jne 0x4359c6
dec dword [ebp - 0x14]
cmp dword [ebp - 0x14], 0
jle 0x4359d1
or eax, 0xffffffff
jmp 0x4359e7
lea ebx, [eax + edx]
movzx ebx, word [ecx + ebx*2]
mov edi, dword [ebp - 0x10]
cmp bx, word [edi + eax*2]
jne 0x4359e4
inc eax
jmp 0x4359e7
or eax, 0xffffffff
test eax, eax
jl 0x4359ef
cmp esi, eax
jg 0x4359a4
cmp esi, eax
jg 0x4359fa
mov eax, edx
add eax, dword [ebp + 8]
jmp 0x435a68
inc edx
dec dword [ebp - 0x1c]
jne 0x4359a0
jmp 0x435a65
mov byte [ebp - 0x15], 0
test ebx, ebx
jl 0x435a65
inc ebx
mov dword [ebp - 0x1c], ebx
xor edx, edx
xor eax, eax
jmp 0x435a4c
lea ebx, [eax + edx]
movzx ebx, word [ecx + ebx*2]
cmp bx, word [ebp - 0xa]
jne 0x435a2b
movzx ebx, byte [ebp - 0x15]
xor bl, 1
mov byte [ebp - 0x15], bl
cmp byte [ebp - 0x15], 0
je 0x435a36
or eax, 0xffffffff
jmp 0x435a4c
lea ebx, [eax + edx]
movzx ebx, word [ecx + ebx*2]
mov edi, dword [ebp - 0x10]
cmp bx, word [edi + eax*2]
jne 0x435a49
inc eax
jmp 0x435a4c
or eax, 0xffffffff
test eax, eax
jl 0x435a54
cmp esi, eax
jg 0x435a14
cmp esi, eax
jg 0x435a5f
mov eax, edx
add eax, dword [ebp + 8]
jmp 0x435a68
inc edx
dec dword [ebp - 0x1c]
jne 0x435a10
or eax, 0xffffffff
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x4483d4
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
mov dl, 0xb5
mov ebx, eax
xor eax, eax
mov ecx, eax
mov esi, ebx
shr esi, cl
mov ecx, esi
and cl, 0xff
xor dl, cl
inc eax
cmp eax, 4
jne 0x4483dc
mov eax, edx
pop esi
pop ebx
ret
Function at 0x458bd0
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffdc
push ebx
push esi
test dl, dl
je 0x458be4
add esp, 0xfffffff0
call fcn.00408c98
mov ebx, edx
mov esi, eax
mov dl, 1
mov eax, dword [0x452c6c]
call fcn.004766c4
mov dword [esi + 4], eax
mov dl, 1
mov eax, dword [0x457c0c]
call fcn.00479494
mov dword [esi + 8], eax
mov dl, 1
mov eax, dword [0x457c0c]
call fcn.00479494
mov dword [esi + 0xc], eax
lea eax, [ebp - 0x24]
push eax
call sub.kernel32.dll_GetSystemInfo
mov eax, dword [ebp - 0x20]
mov dword [esi + 0x10], eax
mov eax, esi
test bl, bl
je 0x458c39
call fcn.00408cf0
pop dword fs:[0]
add esp, 0xc
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4c90d4
Capabilities:
Suspend thread

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push ebx
push esi
push edi
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
movzx eax, byte [eax + 0xf]
mov byte [ebp - 5], al
xor eax, eax
push ebp
push 0x4c9122
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
mov byte [eax + 0xf], 1
mov eax, dword [ebp - 4]
mov eax, dword [eax + 8]
push eax
call sub.kernel32.dll_SuspendThread
test eax, eax
setge dl
mov eax, dword [ebp - 4]
call fcn.004c8564
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4c913b
pop edi
pop esi
pop ebx
pop ecx
pop ecx
pop ebp
ret

Function at 0x4c9144
Capabilities:
Resume thread

Disassembly:
push ebx
push esi
mov ebx, eax
mov eax, dword [ebx + 8]
push eax
call sub.kernel32.dll_ResumeThread
mov esi, eax
test esi, esi
setge dl
mov eax, ebx
call fcn.004c8564
dec esi
jne 0x4c9166
mov byte [ebx + 0xf], 0
pop esi
pop ebx
ret

Function at 0x4cc0e0
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, 0x87d90c
cmp dword [edi], 0
jne 0x4cc15c
push 0x40
push 0x1000
push 0x1000
push 0
call sub.kernel32.dll_VirtualAlloc
mov esi, eax
mov eax, dword [0x87d908]
mov dword [esi], eax
lea edx, [esi + 4]
mov eax, 0x857934
mov ecx, 2
call fcn.004073f8
mov edx, 0x4cc0b8
lea eax, [esi + 5]
call fcn.004cc0d8
mov dword [esi + 6], eax
lea ebx, [esi + 0xa]
mov byte [ebx], 0xe8
lea edx, [esi + 4]
mov eax, ebx
call fcn.004cc0d8
mov dword [ebx + 1], eax
mov eax, dword [edi]
mov dword [ebx + 5], eax
mov dword [edi], ebx
add ebx, 0xd
mov eax, ebx
sub eax, esi
cmp eax, 0xffc
jl 0x4cc131
mov dword [0x87d908], esi
mov eax, dword [edi]
mov ebx, dword [edi]
mov edx, dword [ebx + 5]
mov dword [edi], edx
mov edx, dword [ebp + 8]
mov dword [ebx + 5], edx
mov edx, dword [ebp + 0xc]
mov dword [ebx + 9], edx
pop edi
pop esi
pop ebx
pop ebp
ret 8

Function at 0x4e56f4
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebx
add edx, eax
cmp edx, eax
jbe 0x4e570b
movzx ebx, byte [eax]
xor ecx, ebx
imul ecx, ecx, 0x1000193
inc eax
cmp edx, eax
ja 0x4e56fb
mov eax, ecx
pop ebx
ret
Function at 0x5172d8
Capabilities:
Delete registry key
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffc4
push ebx
xor ecx, ecx
mov dword [ebp - 0x3c], ecx
mov dword [ebp - 4], ecx
mov dword [ebp - 8], ecx
mov ebx, edx
mov dword [ebp - 0xc], eax
xor eax, eax
push ebp
push 0x517497
push dword fs:[eax]
mov dword fs:[eax], esp
lea eax, [ebp - 4]
mov edx, ebx
call fcn.0040a990
mov eax, dword [ebp - 4]
call fcn.00516c24
mov byte [ebp - 0x11], al
cmp byte [ebp - 0x11], 0
jne 0x51732a
lea eax, [ebp - 4]
mov ecx, 1
mov edx, 1
call fcn.0040b540
mov eax, dword [ebp - 0xc]
mov eax, dword [eax + 4]
mov dword [ebp - 0x18], eax
mov edx, ebx
mov eax, dword [ebp - 0xc]
call fcn.00517f2c
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
je 0x51740b
xor eax, eax
push ebp
push 0x517404
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0xc]
call fcn.00516ec4
lea edx, [ebp - 0x38]
mov eax, dword [ebp - 0xc]
call fcn.005174cc
test al, al
je 0x5173e0
mov ecx, dword [ebp - 0x34]
inc ecx
lea eax, [ebp - 8]
xor edx, edx
call fcn.0040a6f0
mov ebx, dword [ebp - 0x38]
dec ebx
cmp ebx, 0
jl 0x5173e0
mov eax, dword [ebp - 0x34]
inc eax
mov dword [ebp - 0x10], eax
push 0
push 0
push 0
push 0
lea eax, [ebp - 0x10]
push eax
mov eax, dword [ebp - 8]
call fcn.0040b0c4
push eax
push ebx
mov eax, dword [ebp - 0x1c]
push eax
call sub.advapi32.dll_RegEnumKeyExW
mov edx, eax
mov eax, dword [ebp - 0xc]
call fcn.00516e24
test al, al
je 0x5173da
mov eax, dword [ebp - 8]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x3c]
call fcn.0040b124
mov edx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0xc]
call fcn.005172d8
dec ebx
cmp ebx, 0xffffffff
jne 0x517389
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x51740b
mov edx, dword [ebp - 0x18]
mov eax, dword [ebp - 0xc]
call fcn.00516ec4
mov eax, dword [ebp - 0x1c]
push eax
call sub.advapi32.dll_RegCloseKey
pop eax
jmp eax
cmp byte [0x87d968], 0
je 0x51744b
push 0
mov eax, dword [ebp - 0xc]
mov eax, dword [eax + 0x18]
and eax, 0x300
push eax
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
movzx edx, byte [ebp - 0x11]
mov eax, dword [ebp - 0xc]
call fcn.00516eb0
push eax
call sub.advapi32.dll_RegDeleteKeyExW
mov edx, eax
mov eax, dword [ebp - 0xc]
call fcn.00516e24
mov ebx, eax
jmp 0x517472
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
movzx edx, byte [ebp - 0x11]
mov eax, dword [ebp - 0xc]
call fcn.00516eb0
push eax
call sub.advapi32.dll_RegDeleteKeyW
mov edx, eax
mov eax, dword [ebp - 0xc]
call fcn.00516e24
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x51749e
lea eax, [ebp - 0x3c]
call fcn.0040a558
lea eax, [ebp - 8]
mov edx, 2
call fcn.0040a5b8
pop eax
jmp eax
Function at 0x51753c
Capabilities:
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffd4
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x2c], ecx
mov dword [ebp - 4], ecx
mov dword [ebp - 8], edx
mov edi, eax
xor eax, eax
push ebp
push 0x5175f6
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 8]
mov edx, dword [eax]
call dword [edx + 0x48]
lea edx, [ebp - 0x28]
mov eax, edi
call fcn.005174cc
test al, al
je 0x5175d6
mov ecx, dword [ebp - 0x24]
inc ecx
lea eax, [ebp - 4]
xor edx, edx
call fcn.0040a6f0
mov ebx, dword [ebp - 0x28]
dec ebx
test ebx, ebx
jl 0x5175d6
inc ebx
xor esi, esi
mov eax, dword [ebp - 0x24]
inc eax
mov dword [ebp - 0xc], eax
push 0
push 0
push 0
push 0
lea eax, [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
push esi
mov eax, dword [edi + 4]
push eax
call sub.advapi32.dll_RegEnumKeyExW
mov eax, dword [ebp - 4]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x2c]
call fcn.0040b124
mov edx, dword [ebp - 0x2c]
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
call dword [ecx + 0x3c]
inc esi
dec ebx
jne 0x51758f
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x5175fd
lea eax, [ebp - 0x2c]
call fcn.0040a558
lea eax, [ebp - 4]
call fcn.0040a558
pop eax
jmp eax

Function at 0x517e08
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov edi, edx
mov ebx, eax
movzx eax, byte [ebp + 8]
call fcn.00516c3c
mov esi, eax
mov eax, dword [ebp + 0xc]
push eax
mov eax, dword [ebp - 4]
push eax
push esi
push 0
mov eax, edi
call fcn.0040b0c4
push eax
mov eax, dword [ebx + 4]
push eax
call sub.advapi32.dll_RegSetValueExW
mov edx, eax
mov eax, ebx
call fcn.00516e24
test al, al
jne 0x517e70
mov dword [ebp - 0xc], edi
mov byte [ebp - 8], 0x11
lea eax, [ebp - 0xc]
push eax
push 0
mov ecx, dword [0x87648c]
mov dl, 1
mov eax, dword [0x515a08]
call fcn.0042f5f0
call fcn.00409c14
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x517e7c
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
xor eax, eax
mov dword [ebp - 4], eax
lea eax, [ebp + 0xc]
push eax
push edi
lea eax, [ebp - 4]
push eax
push 0
mov eax, esi
call fcn.0040b0c4
push eax
mov eax, dword [ebx + 4]
push eax
call sub.advapi32.dll_RegQueryValueExW
mov edx, eax
mov eax, ebx
call fcn.00516e24
test al, al
jne 0x517edd
mov dword [ebp - 0xc], esi
mov byte [ebp - 8], 0x11
lea eax, [ebp - 0xc]
push eax
push 0
mov ecx, dword [0x876d84]
mov dl, 1
mov eax, dword [0x515a08]
call fcn.0042f5f0
call fcn.00409c14
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebp - 4]
call fcn.00516c6c
mov edx, dword [ebp + 8]
mov byte [edx], al
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x5184f4
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffd0
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x30], ecx
mov dword [ebp - 4], ecx
mov dword [ebp - 8], edx
mov esi, eax
xor eax, eax
push ebp
push 0x518620
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov eax, dword [eax + 4]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov edx, esi
call fcn.00516ec4
xor eax, eax
push ebp
push 0x5185f9
push dword fs:[eax]
mov dword fs:[eax], esp
lea edx, [ebp - 0x2c]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.005174cc
test al, al
je 0x5185db
mov eax, dword [ebp + 8]
push eax
xor ecx, ecx
mov edx, dword [ebp - 8]
mov eax, esi
call fcn.005183cc
pop ecx
mov ecx, dword [ebp - 0x20]
inc ecx
lea eax, [ebp - 4]
xor edx, edx
call fcn.0040a6f0
mov ebx, dword [ebp - 0x24]
dec ebx
test ebx, ebx
jl 0x5185db
inc ebx
xor edi, edi
mov eax, dword [ebp - 0x20]
inc eax
mov dword [ebp - 0xc], eax
push 0
push 0
push 0
push 0
lea eax, [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
push edi
push esi
call sub.advapi32.dll_RegEnumValueW
mov edx, eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.00516e24
test al, al
je 0x5185d7
mov eax, dword [ebp + 8]
push eax
mov eax, dword [ebp - 4]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x30]
call fcn.0040b124
mov ecx, dword [ebp - 0x30]
mov edx, dword [ebp - 8]
mov eax, esi
call fcn.005183cc
pop ecx
inc edi
dec ebx
jne 0x51857f
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x518600
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov edx, dword [ebp - 0x10]
call fcn.00516ec4
pop eax
jmp eax
Function at 0x518630
Capabilities:
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffb0
xor ecx, ecx
mov dword [ebp - 0x50], ecx
mov dword [ebp - 0x4c], ecx
mov dword [ebp - 0x48], ecx
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], edx
mov dword [ebp - 8], eax
xor eax, eax
push ebp
push 0x518888
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov eax, dword [eax + 4]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov edx, dword [ebp - 8]
call fcn.00516ec4
xor eax, eax
push ebp
push 0x51885c
push dword fs:[eax]
mov dword fs:[eax], esp
lea edx, [ebp - 0x44]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.005174cc
test al, al
je 0x51883e
mov ecx, dword [ebp - 0x40]
inc ecx
lea eax, [ebp - 4]
xor edx, edx
call fcn.0040a6f0
mov eax, dword [ebp - 0x44]
dec eax
test eax, eax
jl 0x51883e
inc eax
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x14], 0
mov eax, dword [ebp - 0x40]
inc eax
mov dword [ebp - 0x10], eax
push 0
push 0
push 0
push 0
lea eax, [ebp - 0x10]
push eax
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.advapi32.dll_RegEnumKeyExW
mov edx, eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.00516e24
test al, al
je 0x518832
mov eax, dword [ebp - 4]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x48]
call fcn.0040b124
mov edx, dword [ebp - 0x48]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.00517f2c
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0
je 0x518832
xor eax, eax
push ebp
push 0x51882b
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov eax, dword [eax + 4]
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov edx, dword [ebp - 0xc]
call fcn.00516ec4
xor eax, eax
push ebp
push 0x51880b
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x4c]
call fcn.0040b124
mov edx, dword [ebp - 0x4c]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.00516ec8
mov eax, dword [ebp - 4]
call fcn.0040b0c4
mov edx, eax
lea eax, [ebp - 0x50]
call fcn.0040b124
mov edx, dword [ebp - 0x50]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
call fcn.00517f2c
mov dword [ebp - 0x24], eax
xor eax, eax
push ebp
push 0x5187e6
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
push eax
mov edx, dword [ebp - 0x24]
mov eax, dword [ebp - 0x20]
call fcn.005184f4
pop ecx
mov eax, dword [ebp + 8]
push eax
mov edx, dword [ebp - 0x24]
mov eax, dword [ebp - 0x20]
call fcn.00518630
pop ecx
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x5187ed
mov eax, dword [ebp - 0x24]
push eax
call sub.advapi32.dll_RegCloseKey
pop eax
jmp eax
inc dword [ebp - 0x14]
dec dword [ebp - 0x28]
jne 0x5186bb
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x518863
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
mov edx, dword [ebp - 0x18]
call fcn.00516ec4
pop eax
jmp eax
Function at 0x521de8
Capabilities:
Encode data using xor

Disassembly:
mov ecx, edx
mov edx, eax
xor eax, eax
rol ax, 5
xor al, byte [edx]
inc edx
dec ecx
jne 0x521dee
ret

Function at 0x528f24
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff60
push ebx
push esi
push edi
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
mov esi, eax
mov eax, esi
call fcn.00528db4
lea edx, [ebp - 0x22]
mov ecx, 0x16
mov eax, dword [ebp - 4]
mov ebx, dword [eax]
call dword [ebx + 0xc]
cmp dword [ebp - 0x22], 0x9ac6cdd7
jne 0x528f66
lea eax, [ebp - 0x22]
call fcn.00525aa8
cmp ax, word [ebp - 0xe]
je 0x528f6b
call fcn.00524a40
sub dword [ebp - 8], 0x16
mov eax, dword [ebp - 8]
call fcn.00407234
mov dword [ebp - 0xc], eax
mov ebx, dword [esi + 0x30]
xor eax, eax
push ebp
push 0x529095
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, dword [ebp - 0xc]
mov ecx, dword [ebp - 8]
mov eax, dword [ebp - 4]
mov edi, dword [eax]
call dword [edi + 0xc]
mov eax, dword [esi + 0x30]
movzx edx, word [ebp - 0x14]
mov word [eax + 0x18], dx
cmp word [ebp - 0x14], 0
jne 0x528fb1
mov word [ebp - 0x14], 0x60
movzx eax, word [ebp - 0x14]
push eax
push 0x9ec
movsx eax, word [ebp - 0x18]
movsx edx, word [ebp - 0x1c]
sub eax, edx
push eax
call sub.kernel32.dll_MulDiv
mov dword [ebx + 0xc], eax
movzx eax, word [ebp - 0x14]
push eax
push 0x9ec
movsx eax, word [ebp - 0x16]
movsx edx, word [ebp - 0x1a]
sub eax, edx
push eax
call sub.kernel32.dll_MulDiv
mov dword [ebx + 0x10], eax
mov dword [ebp - 0x34], 8
xor eax, eax
mov dword [ebp - 0x30], eax
xor eax, eax
mov dword [ebp - 0x2c], eax
xor eax, eax
mov dword [ebp - 0x28], eax
lea eax, [ebp - 0x34]
push eax
push 0
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.gdi32.dll_SetWinMetaFileBits
mov edi, eax
mov dword [ebx + 8], edi
test edi, edi
jne 0x529022
call fcn.00524a40
lea eax, [ebp - 0xa0]
push eax
push 0x6c
mov eax, dword [ebx + 8]
push eax
call sub.gdi32.dll_GetEnhMetaFileHeader
mov dword [ebp - 0x34], 8
mov eax, dword [ebp - 0x80]
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x7c]
mov dword [ebp - 0x2c], eax
xor eax, eax
mov dword [ebp - 0x28], eax
mov eax, dword [ebx + 8]
push eax
call sub.gdi32.dll_DeleteEnhMetaFile
lea eax, [ebp - 0x34]
push eax
push 0
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.gdi32.dll_SetWinMetaFileBits
mov edi, eax
mov dword [ebx + 8], edi
test edi, edi
jne 0x529076
call fcn.00524a40
mov byte [esi + 0x34], 0
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x52909c
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 0xc]
call fcn.00407250
pop eax
jmp eax
Function at 0x5388c0
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
push esi
push edi
mov edi, ecx
mov dword [ebp - 4], edx
mov esi, eax
mov ebx, dword [ebp + 8]
mov eax, ebx
call fcn.0040a558
lea eax, [ebp - 0xc]
push eax
push 0x20019
push 0
mov eax, esi
call fcn.0040b0c4
push eax
push edi
call sub.advapi32.dll_RegOpenKeyExW
test eax, eax
jne 0x53897e
xor eax, eax
push ebp
push 0x538977
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 8], pe_nt_image_headers32
mov eax, ebx
mov edx, dword [ebp - 8]
call fcn.0040b250
mov eax, dword [ebp - 8]
add eax, eax
mov dword [ebp - 8], eax
lea eax, [ebp - 8]
push eax
mov eax, dword [ebx]
call fcn.0040b0c4
push eax
push 0
push 0
mov eax, dword [ebp - 4]
call fcn.0040b0c4
push eax
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegQueryValueExW
test eax, eax
jne 0x538957
mov edx, dword [ebp - 8]
shr edx, 1
dec edx
mov eax, ebx
call fcn.0040b250
jmp 0x53895e
mov eax, ebx
call fcn.0040a558
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x53897e
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegCloseKey
pop eax
jmp eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x538af0
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffa0
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x5c], ebx
mov dword [ebp - 0x60], ebx
mov dword [ebp - 0x10], ecx
mov dword [ebp - 0x18], edx
mov ebx, eax
lea eax, [ebp - 0xc]
mov edx, dword [0x44bcf4]
call fcn.0040b988
xor eax, eax
push ebp
push 0x538c79
push dword fs:[eax]
mov dword fs:[eax], esp
cmp dword [0x8589fc], 0
jne 0x538b45
mov ecx, dword [0x875aec]
mov dl, 1
mov eax, dword [0x41f38c]
call fcn.0042f51c
call fcn.00409c14
lea eax, [ebp - 0x28]
xor ecx, ecx
mov edx, 0x10
call fcn.00407e94
mov eax, ebx
call fcn.0040afdc
mov dword [ebp - 0x24], eax
mov esi, 0x538c88
lea edi, [ebp - 0x38]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
lea eax, [ebp - 0x38]
mov dword [ebp - 0xc], eax
lea eax, [ebp - 8]
call fcn.0040f6a0
xor eax, eax
mov dword [ebp - 4], eax
mov eax, ebx
test eax, eax
je 0x538b8a
sub eax, 4
mov eax, dword [eax]
shr eax, 1
test eax, eax
jle 0x538bdf
mov dword [ebp - 0x14], 0x20
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x58]
push eax
call sub.kernel32.dll_GetComputerNameW
test eax, eax
je 0x538bd8
lea eax, [ebp - 0x5c]
mov edx, ebx
call fcn.0040b1b4
mov eax, dword [ebp - 0x5c]
push eax
lea eax, [ebp - 0x60]
lea edx, [ebp - 0x58]
mov ecx, 0x10
call fcn.0040b178
mov eax, dword [ebp - 0x60]
pop edx
call fcn.00426d08
test eax, eax
jne 0x538bd8
mov ebx, 0x15
jmp 0x538be4
mov ebx, 0x10
jmp 0x538be4
mov ebx, 0x15
xor eax, eax
push ebp
push 0x538c34
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [0x876c78]
movzx eax, word [eax]
or ax, 8
call fcn.004076d8
lea eax, [ebp - 0xc]
push eax
push 1
lea eax, [ebp - 0x28]
push eax
push ebx
push 0
mov eax, dword [ebp - 0x18]
push eax
call dword [0x8589fc]
call fcn.00538790
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x538c3b
call fcn.004076c8
pop eax
jmp eax

Function at 0x54212c
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
xor edx, edx
mov ecx, eax
and eax, 0xff
shr ecx, 8
inc edx
xor ecx, dword [eax*4 + 0x85a1b4]
cmp edx, 4
mov eax, ecx
jl 0x542134
pop ebp
ret

Function at 0x542150
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
xor edx, edx
mov ecx, eax
inc edx
shr eax, 0x18
and eax, 0xff
shl ecx, 8
xor ecx, dword [eax*4 + 0x85a5b4]
cmp edx, 4
mov eax, ecx
jl 0x542158
pop ebp
ret