joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40c5f8
Capabilities:
Link many functions at runtime
Print debug messages

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x417008]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_EncodePointer]
push esi
push edi
mov dword [ebp - 0x1c], eax
xor esi, esi
mov eax, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x20], eax
call ebx
mov edi, eax
mov dword [ebp - 0x18], edi
call fcn.00406990
mov dword [ebp - 0x14], eax
cmp dword [0x419130], esi
jne 0x40c6eb
push 0x800
push esi
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
jne 0x40c678
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x57
jne 0x40c7cb
push esi
push esi
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
je 0x40c7cb
push str.MessageBoxW
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x40c7cb
push eax
call ebx
push str.GetActiveWindow
push edi
mov dword [0x419130], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push str.GetLastActivePopup
push edi
mov dword [0x419134], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push str.GetUserObjectInformationW
push edi
mov dword [0x419138], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x419140], eax
test eax, eax
je 0x40c6e8
push str.GetProcessWindowStation
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x41913c], eax
mov edi, dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_IsDebuggerPresent]
test eax, eax
je 0x40c710
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x40c703
push eax
call dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
cmp dword [ebp - 0x14], esi
je 0x40c725
push 4
pop eax
jmp 0x40c7cd
cmp dword [ebp - 0x14], esi
je 0x40c725
push dword [0x419130]
call dword [sym.imp.KERNEL32.dll_DecodePointer]
push 3
jmp 0x40c70a
mov eax, dword [0x41913c]
mov ebx, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, edi
je 0x40c783
cmp dword [0x419140], edi
je 0x40c783
push eax
call ebx
push dword [0x419140]
mov dword [ebp - 0x14], eax
call ebx
mov ecx, dword [ebp - 0x14]
mov dword [ebp - 0x18], eax
test ecx, ecx
je 0x40c783
test eax, eax
je 0x40c783
call ecx
test eax, eax
je 0x40c778
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call dword [ebp - 0x18]
test eax, eax
je 0x40c778
test byte [ebp - 8], 1
jne 0x40c783
mov edi, dword [ebp + 0x10]
or edi, 0x200000
jmp 0x40c7b3
mov eax, dword [0x419134]
cmp eax, edi
je 0x40c7b0
push eax
call ebx
test eax, eax
je 0x40c7b0
call eax
mov esi, eax
test esi, esi
je 0x40c7b0
mov eax, dword [0x419138]
cmp eax, edi
je 0x40c7b0
push eax
call ebx
test eax, eax
je 0x40c7b0
push esi
call eax
mov esi, eax
mov edi, dword [ebp + 0x10]
push dword [0x419130]
call ebx
test eax, eax
je 0x40c7cb
push edi
push dword [ebp - 0x20]
push dword [ebp - 0x1c]
push esi
call eax
jmp 0x40c7cd
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004021da
mov esp, ebp
pop ebp
ret
Function at 0x4014c0
Capabilities:
Create new key via cryptacquirecontext
Generate random numbers via winapi

Disassembly:
push ebx
mov ebx, dword [eax + 4]
test ebx, ebx
je 0x4015c1
push ebp
mov ebp, dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push esi
push edi
mov eax, dword [0x41c288]
cmp dword [eax], 0
mov edi, eax
jne 0x4014fb
push 0xf0000000
push 0x18
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4014fb
mov dword [edi], eax
jmp 0x40153f
push 0x2c
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
test esi, esi
je 0x40153f
push 0x2c
push 0
push esi
call fcn.00401100
add esp, 0xc
lea ecx, [esi + 0xc]
push ecx
mov word [esi], 0x208
mov word [esi + 4], 0x6610
mov byte [esi + 8], 0x20
mov edx, dword [edi]
push 0x20
push edx
call ebp
neg eax
sbb eax, eax
and eax, esi
mov ecx, dword [ebx]
mov dword [ecx + 0x20], eax
mov eax, dword [0x41c288]
cmp dword [eax], 0
mov edi, eax
jne 0x40156a
push 0xf0000000
push 0x18
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x40156a
mov dword [edi], eax
jmp 0x4015ae
push 0x2c
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
test esi, esi
je 0x4015ae
push 0x2c
push 0
push esi
call fcn.00401100
add esp, 0xc
lea edx, [esi + 0xc]
push edx
mov word [esi], 0x208
mov word [esi + 4], 0x6610
mov byte [esi + 8], 0x20
mov eax, dword [edi]
push 0x20
push eax
call ebp
neg eax
sbb eax, eax
and eax, esi
mov ecx, dword [ebx]
mov dword [ecx + 0x28], eax
mov ebx, dword [ebx + 4]
test ebx, ebx
jne 0x4014d5
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x401820
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x14
mov eax, dword [0x41c264]
push ebx
push esi
push edi
push eax
mov eax, dword [ebp + 8]
call fcn.00401720
test eax, eax
mov dword [esp + 0x18], eax
je 0x4019a8
mov eax, dword [0x41c288]
lea ecx, [esp + 0xc]
push ecx
push 0xe
call fcn.00402950
lea edx, [esp + 0xc]
mov esi, eax
mov eax, dword [0x41c288]
push edx
push 0xf
mov dword [esp + 0x1c], esi
call fcn.00402950
mov edi, eax
lea eax, [esp + 0xc]
push eax
mov eax, dword [0x41c288]
push 1
mov dword [esp + 0x24], edi
call fcn.00402950
test esi, esi
mov dword [esp + 0x10], eax
je 0x4019a8
test edi, edi
je 0x4019a8
test eax, eax
je 0x4019a8
mov ebx, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x10830
push 0
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [esp + 0x18]
mov edx, dword [ebp + 8]
mov esi, eax
mov dword [esi], ecx
mov dword [esi + 4], edx
mov eax, dword [edi]
test eax, eax
je 0x4018d9
push eax
push 0
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
jmp 0x4018db
xor eax, eax
mov ecx, dword [esp + 0x14]
mov dword [esi + 0xc], eax
mov eax, dword [edi]
mov dword [esi + 0x10], eax
mov eax, dword [esp + 0x10]
mov dword [esi + 8], eax
mov edx, dword [ecx]
mov ecx, dword [0x41c290]
push ecx
mov ecx, dword [0x41c238]
mov dword [esi + 0x14], edx
mov edx, dword [esi]
push eax
mov byte [esi + 0x20], 0
mov byte [esi + 0x21], 0
mov eax, dword [edx + 0x18]
push eax
push ecx
lea edx, [esi + 0x1002a]
push edx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x14
call fcn.00403480
test eax, eax
je 0x401933
mov edi, dword [esi]
push eax
call fcn.00402bf0
jmp 0x401935
xor eax, eax
xor ecx, ecx
cmp eax, ecx
mov dword [esi + 0x28], eax
jne 0x401943
call fcn.00407a30
push ecx
push ecx
push esi
push 0x402620
push ecx
push ecx
mov dword [esi + 0x18], ecx
mov dword [esi + 0x1c], ecx
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov edi, eax
push 0xffffffffffffffff
push edi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esi + 0xc]
push eax
push 0
call ebx
mov edi, dword [sym.imp.KERNEL32.dll_HeapFree]
push eax
call edi
push esi
push 0
call ebx
push eax
call edi
mov eax, dword [esp + 0x10]
push eax
push 0
call ebx
push eax
call edi
mov ecx, dword [esp + 0x1c]
push ecx
push 0
call ebx
push eax
call edi
mov edx, dword [esp + 0x14]
push edx
push 0
call ebx
push eax
call edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x401c70
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, dword [ebp + 8]
sub esp, 0x14
cmp dword [eax + 4], 0
push ebx
push esi
push edi
je 0x401e0d
mov eax, dword [0x41c288]
lea ecx, [esp + 0x14]
push ecx
push 0xe
call fcn.00402950
lea edx, [esp + 0x14]
mov esi, eax
mov eax, dword [0x41c288]
push edx
push 0xf
mov dword [esp + 0x20], esi
call fcn.00402950
mov edi, eax
lea eax, [esp + 0x14]
push eax
mov eax, dword [0x41c288]
push 1
mov dword [esp + 0x24], edi
call fcn.00402950
test esi, esi
mov dword [esp + 0x10], eax
je 0x401e0d
test edi, edi
je 0x401e0d
test eax, eax
je 0x401e0d
mov ebx, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x10830
push 0
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp + 8]
mov esi, eax
mov eax, dword [ecx + 4]
test eax, eax
je 0x401d15
mov edx, dword [eax]
cmp word [edx], 0
je 0x401d3a
mov eax, dword [eax + 4]
test eax, eax
jne 0x401d06
xor eax, eax
mov ecx, dword [esp + 0x10]
mov dword [esi], eax
mov eax, dword [ebp + 0xc]
mov dword [esi + 4], eax
mov dword [esi + 8], ecx
mov eax, dword [edi]
test eax, eax
je 0x401d3e
push eax
push 0
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
jmp 0x401d40
mov eax, edx
jmp 0x401d17
xor eax, eax
mov dword [esi + 0xc], eax
mov edx, dword [edi]
mov eax, dword [esp + 0x18]
mov dword [esi + 0x10], edx
mov ecx, dword [eax]
mov edx, dword [0x41c290]
xor eax, eax
push edx
mov dword [esi + 0x14], ecx
mov ecx, dword [esi]
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], eax
mov eax, dword [esp + 0x14]
push eax
mov eax, dword [0x41c238]
mov byte [esi + 0x20], 1
mov byte [esi + 0x21], 0
mov edx, dword [ecx + 0x18]
push edx
push eax
lea ecx, [esi + 0x1002a]
push ecx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x14
call fcn.00403480
test eax, eax
je 0x401d9c
mov edi, dword [esi]
push eax
call fcn.00402bf0
jmp 0x401d9e
xor eax, eax
test eax, eax
mov dword [esi + 0x28], eax
jne 0x401daa
call fcn.00407a30
push 0
push 0
push esi
push 0x402620
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov edi, eax
push 0xffffffffffffffff
push edi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esi + 0xc]
push eax
push 0
call ebx
mov edi, dword [sym.imp.KERNEL32.dll_HeapFree]
push eax
call edi
push esi
push 0
call ebx
push eax
call edi
mov edx, dword [esp + 0x10]
push edx
push 0
call ebx
push eax
call edi
mov eax, dword [esp + 0x1c]
push eax
push 0
call ebx
push eax
call edi
mov ecx, dword [esp + 0x18]
push ecx
push 0
call ebx
push eax
call edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x402680
Capabilities:
Create new key via cryptacquirecontext

Disassembly:
push ecx
lea eax, [esi + 0xc]
push eax
mov dword [esi], 0
mov dword [esi + 4], 0
mov dword [esi + 8], 0
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0xf0000000
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4026b7
mov dword [esi], eax
lea ecx, [esi + 0x28]
push ecx
push 0xa
mov eax, esi
mov dword [esi + 8], 0x41f000
call fcn.00402950
mov dword [esi + 0x24], eax
mov eax, esi
pop ecx
ret

Function at 0x4026e0
Capabilities:
Create new key via cryptacquirecontext
Generate random numbers via winapi

Disassembly:
push edi
mov edi, dword [0x41c288]
cmp dword [edi], 0
jne 0x402706
push 0xf0000000
push 0x18
push 0
push 0
push edi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x402706
mov dword [edi], eax
pop edi
ret
push esi
push 0x10
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
test esi, esi
jne 0x402721
pop esi
pop edi
ret
push 0x10
push 0
push esi
call fcn.00401100
mov eax, dword [edi]
add esp, 0xc
push esi
push 0x10
push eax
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
neg eax
sbb eax, eax
and eax, esi
pop esi
pop edi
ret

Function at 0x402750
Capabilities:
Create new key via cryptacquirecontext
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 8
push esi
mov esi, dword [0x41c288]
cmp dword [esi], 0
jne 0x402780
push 0xf0000000
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x402780
mov dword [esi], eax
xor al, al
pop esi
add esp, 8
ret 4
mov ecx, dword [esi + 0x28]
mov edx, dword [esi + 0x24]
lea eax, [esp + 4]
push eax
mov eax, dword [esi]
push 0
push 0
push ecx
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x4027ad
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor al, al
pop esi
add esp, 8
ret 4
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 4]
push 0x80
lea ecx, [esp + 0xc]
push ecx
push edx
push 0
push 0
push 0
push eax
mov dword [esp + 0x24], 0x75
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
test eax, eax
jne 0x4027f3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, dword [esp + 4]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
xor al, al
pop esi
add esp, 8
ret 4
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
test eax, eax
je 0x40279e
mov al, 1
pop esi
add esp, 8
ret 4
Function at 0x402810
Capabilities:
Contain obfuscated stackstrings
Create new key via cryptacquirecontext
Encrypt data using aes via winapi

Disassembly:
sub esp, 0x4c
cmp dword [esi], 0
mov al, 0xa3
mov byte [esp + 5], al
mov byte [esp + 0xf], al
mov al, 0xac
mov byte [esp], 0x2c
mov byte [esp + 1], 0x51
mov byte [esp + 2], 0x58
mov byte [esp + 3], 0xcc
mov byte [esp + 4], 0x5f
mov byte [esp + 6], 0x2d
mov byte [esp + 7], 0x1c
mov byte [esp + 8], 0x5b
mov byte [esp + 9], 0xc6
mov byte [esp + 0xa], 0xbe
mov byte [esp + 0xb], 0xb9
mov byte [esp + 0xc], 0x15
mov byte [esp + 0xd], 0x3a
mov byte [esp + 0xe], 0x20
mov byte [esp + 0x10], 0xb5
mov byte [esp + 0x11], 0xad
mov byte [esp + 0x12], pe_nt_image_headers32
mov byte [esp + 0x13], 0xde
mov byte [esp + 0x14], 0x46
mov byte [esp + 0x15], 5
mov byte [esp + 0x16], 0x68
mov byte [esp + 0x17], 0xd6
mov byte [esp + 0x18], al
mov byte [esp + 0x19], 0xfe
mov byte [esp + 0x1a], al
mov byte [esp + 0x1b], 0x7b
mov byte [esp + 0x1c], 0x85
mov byte [esp + 0x1d], 0xd0
mov byte [esp + 0x1e], 0xd1
mov byte [esp + 0x1f], 0xfb
jne 0x4028d5
push 0xf0000000
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4028d5
mov dword [esi], eax
xor al, al
add esp, 0x4c
ret
push 0x2c
lea eax, [esp + 0x24]
push 0
push eax
call fcn.00401100
push 0x20
lea ecx, [esp + 0x10]
push ecx
lea edx, [esp + 0x40]
push edx
mov word [esp + 0x38], 0x208
mov word [esp + 0x3c], 0x6610
mov byte [esp + 0x40], 0x20
call fcn.00401140
mov edx, dword [esi]
add esp, 0x18
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x2c
lea ecx, [esp + 0x30]
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x40293b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00407a30
add esp, 4
xor al, al
add esp, 0x4c
ret
mov al, 1
add esp, 0x4c
ret
Function at 0x402950
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0xc
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, eax
mov eax, dword [esi + 8]
test eax, eax
push edi
je 0x402997
mov ebx, dword [eax]
xor edi, edi
test ebx, ebx
jbe 0x402997
lea esp, [esp]
mov eax, dword [esi + 8]
push 8
lea ecx, [eax + edi*8 + 8]
push ecx
lea edx, [esp + 0x18]
push edx
call fcn.00401140
movzx eax, word [esp + 0x1c]
add esp, 0xc
cmp eax, ebp
je 0x4029a3
add edi, 1
cmp edi, ebx
jb 0x402970
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 8
mov ecx, dword [esi + 8]
push 8
lea edx, [ecx + edi*8 + 8]
push edx
lea eax, [esp + 0x18]
push eax
call fcn.00401140
mov ax, word [esp + 0x20]
mov cx, word [esp + 0x1e]
add esp, 0xc
cmp ax, cx
jbe 0x402997
movzx ecx, cx
movzx edi, ax
sub edi, ecx
je 0x402997
push edi
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ebx, eax
test ebx, ebx
je 0x402997
movzx edx, word [esp + 0x12]
add edx, dword [esi + 8]
push edi
push edx
push ebx
call fcn.00401140
add esp, 0xc
lea ebp, [esi + 0xc]
push ebp
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
call fcn.00402810
test al, al
je 0x402997
mov eax, dword [esp + 0x24]
push eax
push ebx
push 0
push 0
mov dword [eax], edi
mov eax, dword [esi + 4]
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDecrypt]
test eax, eax
jne 0x402a46
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00407a30
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 8
mov eax, dword [esp + 0x24]
cmp edi, dword [eax]
je 0x402a5f
call fcn.00407a30
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 8
movzx ecx, word [esp + 0x16]
mov dword [eax], ecx
mov eax, dword [esi + 4]
test eax, eax
je 0x402aa1
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
test eax, eax
jne 0x402a9a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00407a30
add esp, 4
push ebp
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret 8
mov dword [esi + 4], 0
push ebp
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop edi
pop esi
pop ebp
mov eax, ebx
pop ebx
add esp, 0xc
ret 8

Function at 0x402ac0
Capabilities:
Create new key via cryptacquirecontext

Disassembly:
push esi
mov esi, dword [0x41c288]
cmp dword [esi], 0
jne 0x402aea
push 0xf0000000
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x402aea
mov dword [esi], eax
xor al, al
pop esi
ret 8
mov eax, dword [esp + 8]
mov ecx, dword [esi]
push edi
push 0
push 0
push 0x2c
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x402b0f
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor al, al
pop esi
ret 8
mov edx, dword [esp + 0xc]
mov eax, dword [edi]
push 0
push edx
push 1
push eax
call dword [sym.imp.ADVAPI32.dll_CryptSetKeyParam]
test eax, eax
je 0x402b03
mov al, 1
pop esi
ret 8
Function at 0x4034b0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x1c
mov eax, dword [0x41c25c]
push ebx
xor ebx, ebx
push esi
mov esi, dword [eax]
xor ecx, ecx
xor edx, edx
cmp esi, ebx
push edi
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], edx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebx
mov dword [esp + 0x24], ebx
je 0x40353d
nop
mov eax, dword [esi]
mov eax, dword [eax + 0x34]
cmp eax, ebx
je 0x403536
lea esp, [esp]
add ecx, dword [eax + 0x10038]
mov dword [esp + 0x14], ecx
add edx, dword [eax + 0x10034]
mov dword [esp + 0x10], edx
mov edi, dword [eax + 0x10048]
add dword [esp + 0x18], edi
mov edi, dword [eax + 0x1004c]
adc dword [esp + 0x1c], edi
mov edi, dword [eax + 0x10040]
add dword [esp + 0x20], edi
mov edi, dword [eax + 0x10044]
adc dword [esp + 0x24], edi
mov eax, dword [eax + 0x10050]
cmp eax, ebx
jne 0x4034f0
mov esi, dword [esi + 4]
cmp esi, ebx
jne 0x4034e0
mov edi, dword [sym.imp.KERNEL32.dll_GetStdHandle]
push ebx
lea ecx, [esp + 0x10]
push ecx
push 4
lea edx, [esp + 0x20]
push edx
push 0xfffffffffffffff5
call edi
mov esi, dword [sym.imp.KERNEL32.dll_WriteFile]
push eax
call esi
test eax, eax
je 0x4035de
cmp dword [esp + 0xc], 4
jb 0x4035de
push ebx
lea eax, [esp + 0x10]
push eax
push 4
lea ecx, [esp + 0x1c]
push ecx
push 0xfffffffffffffff5
call edi
push eax
call esi
push ebx
lea edx, [esp + 0x10]
push edx
push 8
lea eax, [esp + 0x24]
push eax
push 0xfffffffffffffff5
call edi
push eax
call esi
push ebx
lea ecx, [esp + 0x10]
push ecx
push 8
lea edx, [esp + 0x2c]
push edx
push 0xfffffffffffffff5
call edi
push eax
call esi
test eax, eax
je 0x4035c8
cmp dword [esp + 0xc], 8
jb 0x4035c8
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
push eax
push ecx
call fcn.00407a30
add esp, 8
pop edi
pop esi
pop ebx
add esp, 0x1c
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00407a30
add esp, 4
pop edi
pop esi
pop ebx
add esp, 0x1c
ret
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
cmp eax, 6
jne 0x403648
push ebx
lea edx, [esp + 0x10]
push edx
push 4
lea eax, [esp + 0x20]
push eax
push 4
call esi
push ebx
lea ecx, [esp + 0x10]
push ecx
push 4
lea edx, [esp + 0x1c]
push edx
push 4
call esi
push ebx
lea eax, [esp + 0x10]
push eax
push 8
lea ecx, [esp + 0x24]
push ecx
push 4
call esi
push ebx
lea edx, [esp + 0x10]
push edx
push 8
lea eax, [esp + 0x2c]
push eax
push 4
call esi
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
push ecx
push edx
call fcn.00407a30
add esp, 8
pop edi
pop esi
pop ebx
add esp, 0x1c
ret
call edi
push eax
call fcn.00407a30
add esp, 4
pop edi
pop esi
pop ebx
add esp, 0x1c
ret
Function at 0x403b80
Capabilities:
Read file on windows

Disassembly:
sub esp, 0x18
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointerEx]
push 2
lea edx, [esp + 0x14]
push edx
xor ecx, ecx
push ecx
xor eax, eax
push eax
push esi
call edi
test eax, eax
je 0x403c09
cmp dword [esp + 0x14], 0
jg 0x403bb5
jl 0x403bae
cmp dword [esp + 0x10], 4
jae 0x403bb5
mov al, 1
pop edi
add esp, 0x18
ret
push 2
push 0
or ecx, 0xffffffff
push ecx
mov eax, 0xfffffffc
push eax
push esi
call edi
test eax, eax
je 0x403c09
push 0
lea eax, [esp + 0xc]
push eax
push 4
lea ecx, [esp + 0x18]
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x403c09
cmp dword [esp + 8], 4
jne 0x403c09
push 4
lea edx, [esp + 0x10]
push 0x41a020
push edx
call fcn.00403b30
add esp, 0xc
neg eax
sbb eax, eax
neg eax
pop edi
add esp, 0x18
ret
xor al, al
pop edi
add esp, 0x18
ret
Function at 0x404400
Capabilities:
Encrypt or decrypt via wincrypt
Read file on windows
Write file on windows

Disassembly:
mov ecx, dword [edi + 0x14]
mov edx, dword [edi + 0xc]
sub esp, 0xc
push ebp
mov ebp, dword [esp + 0x18]
push esi
xor esi, esi
push esi
lea eax, [esp + 0xc]
push eax
push ecx
push edx
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4044c9
mov eax, dword [esp + 8]
test eax, eax
jne 0x404438
mov al, 1
pop esi
pop ebp
add esp, 0xc
ret
cmp eax, dword [edi + 0x14]
jae 0x404460
mov ecx, eax
and ecx, 0xf
je 0x404460
mov esi, 0x10
sub esi, ecx
mov ecx, dword [edi + 0xc]
push esi
add ecx, eax
push 0
push ecx
call fcn.00401100
mov eax, dword [esp + 0x14]
add esp, 0xc
mov ecx, dword [edi + 0xc]
add eax, esi
push eax
lea edx, [esp + 0x10]
push edx
push ecx
push 0
push 0
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x2c]
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
test eax, eax
je 0x4044c9
mov ecx, dword [ebp + 4]
mov edx, dword [ebp]
push 0
push 0
push ecx
push edx
push ebx
call dword [sym.imp.KERNEL32.dll_SetFilePointerEx]
test eax, eax
je 0x4044c9
mov ecx, dword [esp + 8]
mov edx, dword [edi + 0xc]
push 0
lea eax, [esp + 0x14]
push eax
add ecx, esi
push ecx
push edx
push ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x4044c9
mov eax, dword [esp + 8]
add eax, esi
cmp dword [esp + 0x10], eax
jae 0x404430
pop esi
xor al, al
pop ebp
add esp, 0xc
ret